- DL manuals
- Icom
- Transceiver
- IC-910H
- Service Manual
Icom IC-910H Service Manual - page 141
12 - 7
12-8 UX-910 MAIN UNIT (1)
MP541
C546
0.5p
R555
100
R551
22k
L555
56nH
C551
47p
R533
100
R543
6.8k
C549
0.001
L531
10nH
Q541
2SC5508
8V_1VCO
D531
MA8082
R531
220
Q531
2SD2216
EP543
D541
1SV239
R515
10
C548
10p
C533
1
C534
470p
C538
0.001
C531
470
C532
1
SSB,CW
Q511
2SK880
C514
0.0047
C511
0.001
C513
0.1
C512
0.1
1
2
7
8
4
IC502A
EP510
EP610
C515 470p
C509
0.1
R514
120
C516
1
C520
0.001
C522
0.1
C523
470p
L511 10
µ
H
R501
1k
C508
470p
C507
0.1
R512
2.2k
C506
10p
L501
10
µ
H
Q501
DTA144EU
C524
1
C564
22p
+9
ULP
+5
-5V
+9
-5V
+5
+9
-
5V
+5
+9
-
5V
+5
+9
-5V
+5
+9
-5V
MAIN UNIT (1)
R502
1k
R503
1k
R504
1k
C561
22p
C562
22p
C563
22p
12PS
DAT
CK
+9
FM
FIN
1
GND
2
CLK
3
DATA
4
STB
5
XIN 6
VCC 7
LD 8
BS 9
CP 10
IC501
TB31242FN
C502
470p
R681
56
C501
470p
C503
22
C504
0.0047
R516
1.8k
R506
680
R511
5.6k
Q512
2SC4116
5
6
3
IC502B
TC7W66FU
TC7W66FU
C518
2.2
R518
120
R519
1.2k
C517
1
R517
1k
L512
0.1
µ
H
CP501
C510
0.033
W531
W601
W532
C542
0.5p
R541
6.8k
C541
6p
R542
6.8k
C543
1.5p
C545
0.001
C535
0.1
C544
1.5p
R544
470
Q542
2SC5193
L542
8nH
C536
0.001
C537
47p
C583
2p
C581
2.5p
C582
1p
L581
6.8nH
R556
C552
47p
C550
10p
Q551
2SC5107
R547
47
220
R553
22
C584
0.3p
C585
3p
L582
8.2nH
C571
5p
R684
100
R557
22
C641
5p
C573
2p
C575
3p
C572
12p
C574
33p
L572
6.8nH
L571
8.2nH
C642
2.5p
C643
MAIN UNIT
(2)
4p
1LO
C645
68p
C644
22p
L641
10nH
L642
8.2nH
R554
47
C687
470p
Q681
2SC5107
R682
56
C689
0.1
C685
0.001
C688
10p
C686
47p
R683
47k
C613
0.0047
C614
0.001
1
2
3
4
5
6
7
8
IC610
TC7W74FU
C610
220p
C611
270p
C612
82p
L610
0.22
µ
H
L612
0.56
µ
H
L611
0.82
µ
H
R610
100
R613
100
R612
68
R611
100
+5
1G_RET
C605
0.0047
L602
10
µ
H
C607 1
C606
0.0047
1
2
3
5
4
IC601
TC7SU04F
R603
1M
R604 100
Q503
DTA114EE
R505
4.7k
Q502
DTC114TU
5V_DDS
C609
0.1
R605
220
J312
C505
0.001
Q601
2SC4215
R607
2.2k
L603
0.33
µ
H
L604
0.68
µ
H
C603
100p
C604
120p
R606
33k
SCLK
P312
TO IC-910
PLL UNIT J541
+5
CNTY
12C2
12DS
DAT
CK
R621
1k
R622 1k
R634
2k
R633
2k
R635
2k
C608
0.1
VSS
1
SYSCLKO
2
VDD
3
VDD
4
VSS
5
DA0
6
DA1
7
DA2
8
DA3
9
VSS
10
DA4
11
DA5
12
DA6
13
DA7
14
VSS
15
VSS
16
DA8
17
DA9
18
DA10
19
DA11
20
VDD
21
TE1
22
TE2
23
TE3
24
VDD
25
VSS
VSS
VDD
TEOUTH0
TEOUTH1
TEOUTH2
TEOUTH3
TEOUTH4
VDD
VDD
SYSRESET
VSS
VDD
OSCI
VSS
OSCF
VDD
VSS
OSCO
VSS
PDIN
REFIN
VSS
DIVOUT
VDD
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45 46
47
48
49
50
PD2 51
PD1 52
VDD 53
PD0 54
VSS 55
PDTRI 56
VDD 57
REF_OSC 58
RC 59
FCK 60
VSS 61
Q16MA 62
Q4MA 63
VDD 64
VSS 65
ETCO7 66
ETCO6 67
ETCO5 68
VSS 69
ETCO4 70
ETCO3 71
VSS 72
ETCO2 73
ETCO1 74
ETCO0 75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
VDD
DATA
CONTCL
VSS
BUSY
VSS
CON0 CON1
CON2
STRB
VSS
VSS
SYS
_
CLK
VDD VSS
BUN4O
BUN2O
BUM2O
VDD
BUN4I BUN2I BUM2I
VDD
VSS
VSS
IC661
SC-1246A
C671
0.1
C672
0.001
C673
0.001
R661
1k
R662
1k
R663
1k
R664
1k
C670
0.001
5
6
7
IC701B
µ
PC4570G2
C702
470p
C704
0.001
CP701
L702
VCC
CK
PR
D
CLR
Q
Q
GND
10
µ
H
C705
10
R701
1k
Q701
2SA1588
R702
470
C712
0.001
MP701
-5V_LPF
+9
R744
100
W731
C746
10
R734
100
8V_2VCO
MP501
C756
0.001
Q751
2SD2216
R751
220
C754
47
D751
MA8082
C755
1
R748
15
R750
15
C747
12p
C748
2.5p
L743
33nH
C749
12p
2LO
R741
3.9k
R732
1k
R731
2.7k
C734
0.1
C735
0.001
R746
15
Q731
2SC5107
Q741
2SC5107
C741
0.001
C742
12p
L741
82nH
C733
2p
C731
22p
R733
330
C732
22p
C715
0.001
R742
1.5k
R743
100
C743
0.1
C744
0.001
R719
1k
L712
43nH
D711
1SV214
R729
2.2M
D712
1SV214
L711
0.1
µ
H
3
2
1
4
8
IC701A
µ
PC4570G2
R727
100
C708
2.2
R728
1k
C709
470p
C710
0.001
L703
10
µ
H
C713
0.001
C711
10
R724
150
R726
150
C707
4.7
C706
4.7
C669
0.1
C668
0.001
R722
10k
R723
10k
PD1
PD2
C661
0.001
R623 1k
R624 1k
R625 1k
R626 1k
R627 1k
R636
2k
R637
2k
R638
2k
R639
2k
R640
2k
MP602
R628 1k
R629 1k
R631
R630 1k
1k
R641
2k
R642
2k
R643
2k
R645
2k
C675
10
L651
33
µ
H
L652
39
µ
H
L653
39
µ
H
R644
2k
1
2
3
5
4
IC621
TC7SU04F
C674
0.001
L621
10
µ
H
L661
10
µ
C663
0.001
C664
0.1
C677
0.1
C665
0.001
C676
0.1
C662
0.001
C680
47
5V_DDS
C770
470p
C771
470p
R771
1k
C666
0.001
C667
0.001
5V_DDS
D771
DAN222
C773
0.1
R772
1k
C767
0.001
1
2
3
5
4
IC762
TC7S04F
L771
10
µ
H
Q771
DTC144TU
C777
0.001
Q772
DTA144EU
C772
0.001
R773
100k
ULD
R766
2.2k
VCC1
1
IN
2
IN
3
GND
4
SW1
5
SW2
6
OUT
7
VCC2
8
IC761
µ
PB1509GV
C765
0.001
C769
0.1
C775
0.001
C764
0.1
C774
0.001
C776
0.001
L762
10
µ
H
R762
100
C762
0.001
L761
0.47
µ
H
C761
0.001
C778
0.001
C753
2p
Q761
2SC5107
R764
56
L751
27nH
R761
47k
C750
0.0047
12DS
12PS
12DR
12UL
CNTY
DAT
CK
C751
22p
12C2
+5
+9
-5V
12DS
12PS
12DR
12UL
CNTY
DAT
CK
12C2
+5
2LO
1LO
+9
-5V
C763
0.001
C752
22p
R763
220
R765
1M
ULP
12UL
MP601
L622
47
µ
H
C621
0.1
C622
0.1
R648
5.6k
C624
1
C623
0.001
C679
+5
0.1
12DR
C657
56p
R652
150
R651
1k
C678
0.001
C651
47p
C652
20p
C653
68p
C654
10p
C655
82p
C656
3.5p
Ω
MEASUREMENT CONDITIONS
MULTIMETER:50k /V
OSCLLOSCOPE:20MHz
Display frequency:1295MHz
SUPPLY VOLTAGE:13.8V
modulation at TX:none
3.5
7.3
4.2
3.8
2.1
1.6
4.5
7.3
7.8
4.8
0.7
4.9
0.7
0.35
4.9
4.8
FM :4.8
SSB/CW:0
FM :0
SSB/CW:8.8
4.8
2.8
0.7
UNLOCK:4.8
180mVpp
8.6
4.7
4.7
1.0
8.4
6.6
7.7
3.6
0.8
1Vpp
3.8Vpp
3.0
7.0
1.9
1.4
1.7
4.9
-2.7
-3.3
UNLOCK:4.4
4.8
4.8
3.8V
1.0V
FM :7
SSB/CW:0
7.6
4.2V
0.5V
3.8
0.75
Summary of IC-910H
Page 1
Service manual addendum contents parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 board layouts . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 schematic diagram. . . . . . . . . . . . . . . . . . . . . . . 33 nov. 2008.
Page 2: Section 5.
Nov. 2008 1 section 5. Parts list m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [display unit] ref order description no. No. Ic1 1140009671 s.Ic m30622maa-868fp (2355a-2) [eur] 1140009671 s.Ic m30622maa-868fp (2355a-2) [usa] 1140009671 s.Ic m30622maa-868fp (2355a-2) [au...
Page 3
Nov. 2008 2 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [display unit] ref order description no. No. R17 7030003520 s.Res erj3geyj 472 v (4.7k) r18 7030003520 s.Res erj3geyj 472 v (4.7k) r19 7030003680 s.Res erj3geyj 104 v (100k) r34 7030003560 s.Res erj3geyj 103 v (1...
Page 4
Nov. 2008 3 [display unit] [display unit] [func unit] [vr-a unit] [vr-b unit] [rit unit] [mic unit] [jack unit] ref order description no. No. Ref order description no. No. Ref order description no. No. Ref order description no. No. Ref order description no. No. Ref order description no. No. Ref orde...
Page 5
Nov. 2008 4 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [pll unit] ref order description no. No. Ic1 1130007700 s.Ic bu4094bcf-e2 ic12 1110001901 s.Ic upc4570g2-e1-a ic101 1130004831 s.Ic tc7su04f(te85r,f) [eur] 1130004830 s.Ic tc7su04f (te85r) [usa] 1130004831 s.Ic t...
Page 6
Nov. 2008 5 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [pll unit] ref order description no. No. R107 7030007210 s.Res era3yeb 102v (1k) r108 7030007210 s.Res era3yeb 102v (1k) r109 7030007210 s.Res era3yeb 102v (1k) r110 7030007210 s.Res era3yeb 102v (1k) r111 703000...
Page 7
Nov. 2008 6 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [pll unit] ref order description no. No. R625 7030003370 s.Res erj3geyj 271 v (270) r626 7030003230 s.Res erj3geyj 180 v (18) r627 7030003370 s.Res erj3geyj 271 v (270) r628 7030003440 s.Res erj3geyj 102 v (1k) r...
Page 8
Nov. 2008 7 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [pll unit] ref order description no. No. C404 4030006950 s.Cer c1608 ch 1h 040c-t c405 4030009500 s.Cer c1608 ch 1h 0r5b-t c407 4030006860 s.Cer c1608 jb 1h 102k-t c408 4030006860 s.Cer c1608 jb 1h 102k-t c410 40...
Page 9
Nov. 2008 8 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [main unit] ref order description no. No. Q254 1530002691 s.Tra 2sc4116-gr(te85r,f) [swe] 1530002691 s.Tra 2sc4116-gr(te85r,f) [usa-1] 1530002691 s.Tra 2sc4116-gr(te85r,f) [kor] 1530002691 s.Tra 2sc4116-gr(te85r,...
Page 10
Nov. 2008 9 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [main unit] ref order description no. No. D305 1790000660 s.Dio ma728(tx) d352 1790000620 s.Dio ma77(tx) d401 1750000520 s.Dio dan222tl d402 1750000520 s.Dio dan222tl d491 1750000550 s.Dio 1ss355 te-17 d651 17900...
Page 11
Nov. 2008 10 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [main unit] ref order description no. No. R168 7030003540 s.Res erj3geyj 682 v (6.8k) r169 7030003520 s.Res erj3geyj 472 v (4.7k) r201 7030003860 s.Res erj3ge jpw v r202 7310005020 s.Tri rh03adc14x (10k) r203 70...
Page 12
Nov. 2008 11 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [main unit] ref order description no. No. R663 7030003330 s.Res erj3geyj 121 v (120) r664 7030003560 s.Res erj3geyj 103 v (10k) r665 7030003560 s.Res erj3geyj 103 v (10k) r666 7030003530 s.Res erj3geyj 562 v (5....
Page 13
Nov. 2008 12 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [main unit] ref order description no. No. R1595 7030003680 s.Res erj3geyj 104 v (100k) r1596 7030003680 s.Res erj3geyj 104 v (100k) r1597 7030003680 s.Res erj3geyj 104 v (100k) r1598 7030003680 s.Res erj3geyj 10...
Page 14
Nov. 2008 13 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [main unit] ref order description no. No. R1872 7030003680 s.Res erj3geyj 104 v (100k) r1874 7030003680 s.Res erj3geyj 104 v (100k) r1875 7030003640 s.Res erj3geyj 473 v (47k) r1876 7030003700 s.Res erj3geyj 154...
Page 15
Nov. 2008 14 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [main unit] ref order description no. No. C659 4030006900 s.Cer c1608 jb 1h 103k-t c660 4030006900 s.Cer c1608 jb 1h 103k-t c661 4030006900 s.Cer c1608 jb 1h 103k-t c662 4030006900 s.Cer c1608 jb 1h 103k-t c701 ...
Page 16
Nov. 2008 15 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [main unit] ref order description no. No. C1675 4030006900 s.Cer c1608 jb 1h 103k-t c1676 4030006900 s.Cer c1608 jb 1h 103k-t c1677 4510008550 s.Ele eee1ha010sr c1678 4030007140 s.Cer c1608 ch 1h 121j-t c1680 40...
Page 17
Nov. 2008 16 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [pa unit] ref order description no. No. D32 1790000620 s.Dio ma77(tx) d40 1790000620 s.Dio ma77(tx) d41 1790000620 s.Dio ma77(tx) d42 1790000620 s.Dio ma77(tx) d80 1160000060 s.Dio dan202u t106 d81 1160000060 s....
Page 18
Nov. 2008 17 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [pa unit] ref order description no. No. L502 6150001310 coi ls-145 l503 6200004790 s.Coi mlf1608d r47k-t l504 6200012990 s.Coi 0.25-1.9-9tl 84.0n l505 6200005741 s.Coi eljre 47ngfa l506 6200001981 s.Coi nlv25t-1...
Page 19
Nov. 2008 18 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [pa unit] ref order description no. No. R267 7030003680 s.Res erj3geyj 104 v (100k) r268 7030003680 s.Res erj3geyj 104 v (100k) r269 7030003440 s.Res erj3geyj 102 v (1k) r270 7030003400 s.Res erj3geyj 471 v (470...
Page 20
Nov. 2008 19 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [pa unit] ref order description no. No. C26 4030007070 s.Cer c1608 ch 1h 330j-t c27 4030011330 s.Cer c1608 ch 1h 391j-t c28 4030007100 s.Cer c1608 ch 1h 560j-t c29 4030011330 s.Cer c1608 ch 1h 391j-t c31 4030006...
Page 21
Nov. 2008 20 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [pa unit] ref order description no. No. C243 4030009530 s.Cer c1608 ch 1h 030b-t c244 4030006860 s.Cer c1608 jb 1h 102k-t c245 4030007020 s.Cer c1608 ch 1h 120j-t c246 4030006860 s.Cer c1608 jb 1h 102k-t c248 40...
Page 22
Nov. 2008 21 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [pa unit] ref order description no. No. C567 4030006860 s.Cer c1608 jb 1h 102k-t c568 4030006860 s.Cer c1608 jb 1h 102k-t c569 4030006860 s.Cer c1608 jb 1h 102k-t c570 4030006860 s.Cer c1608 jb 1h 102k-t c571 40...
Page 23
Nov. 2008 22 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [pa unit] ref order description no. No. J240 6510017150 con tmp-s01x-c1 j503 6510017150 con tmp-s01x-c1 j504 6510022611 s.Con 16fmn-bmttr-a-tbt(lf)(sn) j651 6510021391 con imsa-9230b-1-03z024-pt1 j653 6510021391...
Page 24: Section
Nov. 2008 23 section 9. Board layouts kst1 kst3 kr t1 kst2 j1 1 5 2 6 to display unit j3 kr t0 gnd dr v o dr v o gnd gnd gnd gnd dr vi dr vi to pa unit j932 to pa unit j931 b5577d d1 c1 b5578b d1 gnd j1 2 6 1 to display board j10 5 rivr nc nc sfvr +5v gnd j1 2 6 1 to display board j2 5 ma vr nc nc m...
Page 25: • Func Board
Nov. 2008 24 phin j2 5 1 6 2 to display board j5 sspo mspo gnd phg gnd ep2 var-b var-c • func board (bottom view) • drv board (bottom view) • mic board (bottom view) • jack board (bottom view) • rit board (bottom view) • vr-a board (bottom view) • vr-b board (bottom view) • varistor-b board (bottom ...
Page 26: • Display Unit
Nov. 2008 25 • display unit (top view) the combination of top side and bottom side of this.
Page 27: • Display Unit
Nov. 2008 26 • display unit (bottom view) gnd 1 to main sensor j4 4 a b +5v mspo j14 7 1 to main unit j1251, j1201 sspo phg 14v hv mic mice to fan gnd j12 3 1 nc fa n v +5v j2 1 to vr-a board j1 5 msvr nc nc mavr gnd 2 6 phin j5 sspo mspo gnd phg gnd 2 6 1 to jack board j2 5 mic j6 1 to mic board j2...
Page 28: • Pll Unit
Nov. 2008 27 • pll unit (top view) 1 25 75 44 34 12 22 1 8 16 9 33 23 1 11 51 100 76 26 50 1 4 8 5 1 25 75 33 23 1 11 22 12 34 44 51 100 76 26 50 1 4 8 5 1 4 8 5 gnd pd a t 43dt 14ul nc nc nc 14v +9v - 5v pck 14dt pst4 43ul nc bfst 14v nc nc gnd 1 2 j601 1 19 2 to display board j9 to main unit j501 ...
Page 29: • Pll Unit
Nov. 2008 28 the combination of top side and bottom side of this • pll unit (bottom view) r341 mp11 • pll unit (bottom view) r341 mp11.
Page 30: • Pa Unit
Nov. 2008 29 the combination of top side and bottom side of this • pa unit (top view) 1 4 8 5 1 3 6 4 1 5 6 1 3 6 4 spe sp j50 to main unit j1853 spe sp j51 1 2 2 1 to sp1 dr vi dr vi gnd gnd j931 1 4 to drv board gnd gnd dr v o dr v o j932 1 4 to drv board v-c1 gnd v-c2 j651 1 v-a2 gnd v-a1 j652 3 ...
Page 31: • Pa Unit
Nov. 2008 30 the combination of top side and bottom side of this • pa unit (bottom view) c2 c3 c7 c8 c9 c10 c11 c31 c36 c39 c43 c44 c45 c46 c47 c49 c50 c51 c52 c53 c54 c55 c56 c57 c58 c59 c62 c63 c65 c67 c87 c88 c102 c104 c106 c108 c109 c111 c116 c120 c121 c123 c124 c125 c126 c127 c128 c130 c133 c13...
Page 32
Nov. 2008 31 • main unit (top view) 8 1 18 16 9 8 16 9 1 8 1 1 16 1 16 remo te a cc1 d ata 1 d ata 2 key main sp sub sp mice mic j1201 1 2 to display board j14 nc nc gnd afs j1761 4 1 to ut-106 ints txs scon mdat 9v avxl 5v pck opb1 12ps 12ds 12ul 12st 12pv gnd j1101 29 1 30 2 to display board j7 gn...
Page 33
Nov. 2008 32 • main unit (bot view) the combination of top side and bottom side of this.
Page 34: Section
Nov. 2008 *refer to “parts list” for the parts name and value. 33 section 11. Schematic diagram d52 d51 d50 d49 d48 krt3 krt6 krt3 d47 d46 d45 d44 d43 d42 krt7 krt4 krt3 krt6 krt5 krt2 krt5 krt4 krt7 krt4 d41 kst3 kst2 kst1 kst0 krt7 krt6 ds22 ds23 ds24 ds19 ds20 ds21 ds12 ds15 ds18 ds11 ds14 ds17 d...
Page 36
Nov. 2008 35 main unit (2/3) cp853 9v t9v ssbi 14v ifs smlm kds ssbi t9v 14v 9v ifs smlm kds 12up 12up r303 r305 14 13 12 ic1804d c313 r306 d304 r302 t9v 14v 9v ssbi kds l201 q201 r202 c205 d207 r219 r203 r201 tcwm 12up l1 c1 14v t9v k d s 1 . 2 g u n i 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1...
Page 37
Nov. 2008 36 9v 14v -5v 5v ifs -5v 14v 5v 9v ifs ic803 c815 c816 c814 r805 c813 6 5 4 3 2 1 q805 ic801 c803 c826 c802 c801 r664 r665 r667 q652 c662 c659 c660 r666 9v agcs l653 r657 r658 r660 r661 r662 r663 c654 c657 q651 fi651a fi651b c661 c655 c658 r659 c656 l651 l652 p a r651 r652 r653 r654 d652 d...
Page 38
Nov. 2008 37 vfor vums5 band pahv uvbb prv vt9l 5v_l510 vcc p501 tmp-p01x-a1 p510 tmp-p01x-a1 5vl vt9v ut9l uhv 5v vygr vpa ich utu2 icl vref 14v w710 r523 ic502 1 23 4 5 6 c651 c504 c607 r710 c543 c714 l502 r668 d510 ep911 c728 l522 c906 r539 c921 c733 ep566 r724 c641 c602 c661 r545 ic701 1 vin 2 v...
Page 39
Nov. 2008 38 r2 c74 l102 c199 d201 l6 ep952 fgb f300 q203 r303 c335 r340 c60 r110 c944 c318 r952 l152 d301 r184 c89 c231 vpa c934 c257 r351 c17 l306 c18 r224 c186 r240 c129 w242 r305 c946 l42 l153 c411 c24 c32 r284 c194 c117 c183 c276 c268 r171 r251 c354 r42 c91 c263 r43 c405 r44 l11 r189 c63 r266 c...
Page 40
Nov. 2008 39 144m 1lo (to pa) j251 p251 c215 r252 c251 r253 r254 c253 c254 c214 c213 c216 c198 c217 l212 l213 l214 c196 r191 c192 c194 q191 r192 d191 d192 d193 d194 c229 q192 c183 l191 c182 l194 r195 c191 r194 r193 l195 r163 5 6 7 ic161b c172 c153 c184 r172 r171 c162 c163 c173 c161 cp100 w181 d181 r...
Page 41: Service
Service manual vhf/uhf all mode transceiver i910h.
Page 42
Introduction this service manual describes the latest service information for the ic-910h vhf/uhf all mode transceiver at the time of publication. Version no. #02 #04 #06 #07 version europe australia u.S.A. Korea symbol eur aus usa-1 kor to upgrade quality, any electrical or mechanical parts and int...
Page 43
Section 1 specifications section 2 inside views 2 - 1 ic-910h . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 - 1 2 - 2 ux-910 (optional unit) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 44: Section 1 Specifications
Section 1 specifications 1 - 1 ■ general • frequency coverage : (unit: mhz) * 1 optional ux-910 is installed. * 2 guaranteed range is 144.0–148.0 mhz. * 3 guaranteed range is 430.0–450.0 mhz. * 4 guaranteed range is 1240.0–1300.0 mhz. • mode : usb, lsb, cw, fm, fm-n* *not available in 1200 mhz band ...
Page 45
■ receiver • receive system : vhf ssb, cw single conversion superheterodyne fm double conversion superheterodyne uhf ssb, cw double conversion superheterodyne fm triple conversion superheterodyne • intermediate frequencies : (unit: mhz) • sensitivity : ssb, cw (10 db s/n) less than 0.11 µv fm (12 db...
Page 46: Section 2
2 - 1 section 2 inside views 2-1 ic-910h • main and pll units dds ic (ic701: sc-1287) dds gate arr a y (ic131: sc-1246a) dds gate arr a y (ic331: sc-1246a) pll unit 144 mhz band vco circuit 430 mhz band vco circuit ref erence oscillator (x512: cr-452 30.2 mhz) dr iv er ic (ic1: b u4094bcf) dds ic (i...
Page 47
2 - 2 • pa unit tx balanced mix er q501, q502: 2sk302 d502: 1sv286 rx balanced mix er (q511, q512: 2sk1740) pre-amplifier (q507: 3sk177) 145 mhz po w er amplifier (q651, q652: 2sc5152) tx/rx s witching rela y (rl700: ae5349) v a ristor-a board v a ristor-c board 440 mhz po w er amplifier (q151, q152...
Page 48
2 - 3 2-2 ux-910 (optional unit) • top view • bottom view power module ic (ic21: m57762-02) 1st lo vco circuit pll ic (ic501: tb31242) dds ic (ic661: sc-1246a) rf pre-amplifier (q281: ne34018) power supply circuit for ag-1200 q72: dtc144eu q73, q74: 2sc2712 rf amplifier (q271: 2sc5454) ygr amplifier...
Page 49: Section 3
Section 3 disassembly and option instructions • opening the transceiver’s case follow the case and cover opening procedures shown here when you want to install an optional unit or adjust the internal units, etc. Q remove the 5 screws from the top of the trans- ceiver and 4 screws from the sides, the...
Page 50
• opening the pa unit cover q remove the top cover as shown in the diagram on p. 3- 1. W remove 8 screws and grounding plate from the pa unit cover. E remove fastening tape from the inside power cable. Grounding plate • fl-132/fl-133 cw narrow filter q remove the bottom cover as shown in the diagram...
Page 51
• ut-102 voice synthesizer unit q remove the bottom cover as shown in the diagram on p. 3-1. • remove the ux-910 if you have installed it. (p. 3-1) w remove the protective paper attached to the bottom of the ut-102 to expose the adhesive strip. E plug ut-102 into j1801 on the main unit as shown in t...
Page 52
• cr-293 high stability crystal unit q remove the bottom cover as shown in the diagram on p. 3-1. • remove the ux-910 if you have installed it. (p. 3-1) w remove 6 screws from the pll shield cover, then lift up the pll shield cover. Pll shield cover e disconnect the ffc (flexible flat cable) from th...
Page 53
Section 4 circuit description 4 - 1 4-1 receiver circuit note: [main]=main band, [sub]=sub band 4-1-1 vhf transmit/receive switching circuit (pa unit) received signals from the antenna connector (chassis; j1) are passed through the low-pass filter (l723–l721, c728–c726, c728) then applied to the tra...
Page 54
4 - 2 4-1-6 10 mhz if circuit (main unit) the 10 mhz if signal from the mixer circuit is passed through a monolithic filter (fl51 [main], fl651 [sub]) to sup- press out-of-band signals. The filtered signal is amplified at the if amplifier (q51 [main], q651 [sub]). The if amplifier provides 20 db gai...
Page 55
4 - 3 4-1-11 noise blanker circuit (main unit) the noise blanker circuit detects pulse-type noises, and stops if amplifier operation during detection. A portion of the 10 mhz if signal from the bandpass filter (fi51 [main], fi651 [sub]) is amplified at the noise amplifier circuit (q102, ic101, q101 ...
Page 56
4 - 4 while in ssb mode, the amplified signals from the buffer amplifier (q1651) are then applied to the balanced modula- tor (ic201). While in am/fm mode, the amplified signals from the buffer amplifier (q1651) are applied to the limiter amplifier (ic1651b) and splatter filter (ic1651a). The signal...
Page 57
4 - 5 low-pass filter and uhf signal are high-pass filter, and then applied to the vhf and uhf power amplifier circuit sepa- rately. 4-2-7 power amplifier circuit (pa unit) the power amplifier circuit amplifies the rf signals to the specified output power. (1) vhf power amplifier circuit the rf sign...
Page 58
4 - 6 the passed signals are then applied to the rf amplifier cir- cuit. 4-4-2 1200 mhz rf circuit (for rx) received signals from the transmit/receive switching circuit are passed through the high-pass filter (l285–l287, l289, c297–c300) and pre-amplifier (q281) and are applied to the rf amplifier c...
Page 59: Ic-910H
Section 5 adjustment procedures 5 - 1 4-1 preparation before sarvicing ■ required test equipment dc power supply rf power meter (terminated type) frequency counter rf voltmeter fm deviation meter distortion meter oscilloscope digital multimeter audio generator standard signal generator (ssg) ac mill...
Page 60
5 - 2 5-2 pll adjustments 30.2 mhz level reference frequency 144m lock voltage 440m lock voltage main bfo level sub bfo level adjustment adjustment adjustment condition measurement value point unit location unit adjust 1 1 2 1 2 3 1 2 3 1 2 • display frequency: any • receiving • display frequency: a...
Page 61
5 - 3 x512 reference frequency adjustment c402 430m lock voltage adjustment p251 144m lo level check point l193 144m lock voltage adjustment j541 30.2 mhz level check point cp300 430m lock voltage check point p421 430m lo level check point l551 j51 cp51 fm tx-lo frequency check point j52 fm tx-lo fr...
Page 62
*this output level of a standard signal generator (ssg) is indicated as ssg’s open circuit. 5 - 4 5-4 receiver adjustments receiver adjustments must be performed after software adjustment (0) and (1). Sub band must be off when adjusting main band, or main af volume (max.Counter clockwise) and sql vo...
Page 63
5 - 5 l521 144m receiver peak/gain adjustment p501 144m receiver peak/gain check point r547 l52 l51 144m peak adjustment for main band l53 • pa unit • main unit l353 l352 l851 r857 144m peak adjustment for sub band 144m total gain adjustment for sub band j51 144m receiver peak/gain pre-setting l852 ...
Page 64
*this output level of a standard signal generator (ssg) is indicated as ssg’s open circuit. Receiver adjustments (continued) 430 m peak (main band) 430 m peak (sub band) 430 m total gain (main band) noise blanker (main band) (sub band) 1 1 1 2 1 2 3 4 • display frequency: 435.0200 mhz • mode : fm • ...
Page 65
5 - 7 l283 l22 l23 430m peak adjustment for main band l282 • pa unit • main unit r61 430m total gain adjustment for main band cp701 noise blanker check point for sub band noise blanker adjustment for sub band l704 l703 430m peak adjustment for sub band l280 l281 cp851 430m peak check point for main ...
Page 66
Pa unit presetting idling current (for 144 m) (for 430 m) rf peak (for 430 m) (for 144 m) if peak carrier suppression • preset r131, r135, r150, r650 (pa unit) to max. Counter clockwise. • preset r3, r138, r503 (pa unit) to center position. • preset c154, c659 (pa unit) to center position as illustr...
Page 67
5 - 9 idling current adjustment for 144m r135 r131 r138 • pa unit • main unit r3 pa unit pre-setting p1 rf peak pre-setting for 430m r150 idling current adjustment for 430m if peak adjustment l3 l2 carrier suppression adjustment r215 r206 c154 rf peak adjustment for 430m l2 l1 c659 rf peak adjustmen...
Page 68
5 - 10 if total gain total gain (for 144 m) (for 430 m) ic apc drive level lo leak (for 144 m) transmitter adjustments (continued) adjustment adjustment adjustment condition measurement value point unit location unit adjust 1 1 2 3 1 2 1 • display frequency: any • mode : usb • mic gain : center • di...
Page 69
5 - 11 • pa unit • main unit r3 total gain adjustment for 430m if total gain adjustment r3 ic apc adjustment ic apc pre-setting r1613 cp1613 drive level adjustment r202 if total gain /drive level check point j51 r503 total gain adjustment for 144m r504 lo leak adjustment for 144m p501 if total gain ...
Page 70
*this output level of a standard signal generator (ssg) is indicated as ssg’s open circuit. 5 - 12 5-6 software adjustment entering software adjustment adjustment item (0) volume center pll unlock adjustment item (1) tuned bpf (for 144 m) (for 430 m) adjustment adjustment condition display operation...
Page 71
*this output level of a standard signal generator (ssg) is indicated as ssg’s open circuit. 5 - 13 software adjustment (continued) adjustment item (2) s-meter (main band) (sub band) adjustment adjustment condition display operation • enter software adjustment mode (refer page 5-12). • push [2] key t...
Page 72
*this output level of a standard signal generator (ssg) is indicated as ssg’s open circuit. 5 - 14 software adjustment (continued) s-meter (sub band) adjustment item (3) noise sql (main band) (sub band) adjustment adjustment condition display operation • set an ssg as : frequency : 146.0200 mhz leve...
Page 73
*this output level of a standard signal generator (ssg) is indicated as ssg’s open circuit. 5 - 15 software adjustment (continued) adjustment item (4) center (main band) adjustment item (5) filter calibration (main band) (sub band) adjustment adjustment condition display operation • connect an ssg t...
Page 74
*this output level of a standard signal generator (ssg) is indicated as ssg’s open circuit. 5 - 16 software adjustment (continued) adjustment item (6) rf peak adjustment item (7) tx power/ meter (for 144 m) (for 1200 m) adjustment adjustment condition display operation • enter software adjustment mo...
Page 75
5 - 17 software adjustment (continued) tx power/ meter (for 430 m) adjustment item (8) deviation adjustment adjustment condition display operation • connect an rf power meter to [uhf ant] connector. • enter software adjustment mode (refer page 5-12). • push [8] key to enter the deviation adjust- men...
Page 76
*this output level of a standard signal generator (ssg) is indicated as ssg’s open circuit. 5 - 18 5-7 ux-910 adjustments 2nd lo lock voltage 1st lo lock voltage receiver gain att gain idling power ballance transmitter gain adjustment adjustment adjustment condition measurement value point unit loca...
Page 77
5 - 19 cp501 1st lo lock voltage check point c332 power ballance adjustment cp322 idling check point cp321 idling check point r13 idling adjustment r67 apc adjustment r83 transmitter gain adjustment r224 receiver gain adjustment cp15 apc check point cp701 2nd lo lock voltage check point cp311 receiv...
Page 78
*this output level of a standard signal generator (ssg) is indicated as ssg’s open circuit. 5 - 20 ux-910 adjustments (continued) apc (power set) adjustment adjustment adjustment condition measurement value point unit location unit adjust 1 2 3 4 5 • display frequency: 1270.0000 mhz • mode : cw • co...
Page 79
5 - 21 r67 apc adjustment cp15 apc check point cp311 pre-setting for apc adjustment cp401 apc check point r61 apc adjustment r37 apc adjustment.
Page 80: Section 6
[display board] 6-1 ic-910 [front unit] s.=surface mount w1 8900006700 cable opc-645 (n:6 l:60) w2 8900006700 cable opc-645 (n:6 l:60) w3 8900006700 cable opc-645 (n:6 l:60) w4 8900009240 cable opc-909 (p=1 n=10 l=110) w5 8900006700 cable opc-645 (n:6 l:60) w6 8900006700 cable opc-645 (n:6 l:60) ep1...
Page 81
[display board] [display board] s.=surface mount r57 7030003640 s.Resistor erj3geyj 473 v (47 k Ω) r58 7030003590 s.Resistor erj3geyj 183 v (18 k Ω) r59 7030003680 s.Resistor erj3geyj 104 v (100 k Ω) r60 7030003480 s.Resistor erj3geyj 222 v (2.2 k Ω) r61 7030003640 s.Resistor erj3geyj 473 v (47 k Ω)...
Page 82
S.=surface mount [display board] [display board] c56 4030006860 s.Ceramic c1608 jb 1h 102k-t-a c57 4030012610 s.Ceramic c2012 jb 1c 474k-t-a c71 4030006860 s.Ceramic c1608 jb 1h 102k-t-a c72 4030006860 s.Ceramic c1608 jb 1h 102k-t-a c73 4030006860 s.Ceramic c1608 jb 1h 102k-t-a c74 4030006860 s.Cera...
Page 83
[pll unit] [rit board] s.=surface mount r2 7210003090 variable rv-316 (rk0972210c05 10kb/10kb) j1 6510022570 s.Connector 06fmn-bmttr-a-tbt ep1 0910052661 pcb b 5461a l1 6200003950 s.Coil hf50acc 322513-t r1 7030006070 s.Resistor erj12yj101u (100 Ω) r2 7030006070 s.Resistor erj12yj101u (100 Ω) c1 403...
Page 84
S.=surface mount [pll unit] [pll unit] l424 6200005720 s.Coil eljre 33ng-f l425 6200005700 s.Coil eljre 22ng-f l471 6200005010 s.Coil nl 252018t-100j l473 6200005720 s.Coil eljre 33ng-f l474 6200001830 s.Coil nl 322522t-100j l511 6200001830 s.Coil nl 322522t-100j l541 6200004950 s.Coil nl 252018t-1r...
Page 85
[pll unit] [pll unit] s.=surface mount r427 7030003300 s.Resistor erj3geyj 680 v (68 Ω) r474 7030003560 s.Resistor erj3geyj 103 v (10 k Ω) r475 7030003290 s.Resistor erj3geyj 560 v (56 Ω) r476 7030003370 s.Resistor erj3geyj 271 v (270 Ω) r477 7030003230 s.Resistor erj3geyj 180 v (18 Ω) r478 70300033...
Page 86
S.=surface mount [pll unit] [pll unit] c192 4030006860 s.Ceramic c1608 jb 1h 102k-t-a c193 4030006860 s.Ceramic c1608 jb 1h 102k-t-a c194 4030006910 s.Ceramic c1608 ch 1h 0r5c-t-a c196 4030006860 s.Ceramic c1608 jb 1h 102k-t-a c198 4030007090 s.Ceramic c1608 ch 1h 470j-t-a c213 4030007060 s.Ceramic ...
Page 87
[main unit] [pll unit] s.=surface mount c705 4030007160 s.Ceramic c1608 ch 1h 181j-t-a c708 4030007110 s.Ceramic c1608 ch 1h 680j-t-a c709 4030006900 s.Ceramic c1608 jb 1e 103k-t-a c710 4030006900 s.Ceramic c1608 jb 1e 103k-t-a c711 4030006900 s.Ceramic c1608 jb 1e 103k-t-a c713 4030006880 s.Ceramic...
Page 88
S.=surface mount [main unit] [main unit] q707 1590001660 s.Transistor xp4312 (tx) q751 1590001660 s.Transistor xp4312 (tx) q752 1590001660 s.Transistor xp4312 (tx) q753 1590001660 s.Transistor xp4312 (tx) q801 1540000550 s.Transistor 2sd1664 t100q q804 1540000470 s.Transistor 2sd1801s-tl q805 159000...
Page 89
[main unit] [main unit] s.=surface mount l652 6150004210 coil ls-480 l653 6150004170 coil ls-476 l703 6150004880 s.Coil ls-513 l704 6150004880 s.Coil ls-513 l851 6150004200 coil ls-479 l852 6150004210 coil ls-480 l853 6150004170 coil ls-476 l854 6200002040 s.Coil nl 252018t-101j l951 6200002040 s.Co...
Page 90
S.=surface mount [main unit] [main unit] r364 7030003320 s.Resistor erj3geyj 101 v (100 Ω) r365 7030003550 s.Resistor erj3geyj 822 v (8.2 k Ω) r368 7030003320 s.Resistor erj3geyj 101 v (100 Ω) r369 7030003320 s.Resistor erj3geyj 101 v (100 Ω) r371 7030003490 s.Resistor erj3geyj 272 v (2.7 k Ω) r372 ...
Page 91
[main unit] [main unit] s.=surface mount r915 7030003520 s.Resistor erj3geyj 472 v (4.7 k Ω) r916 7030003780 s.Resistor erj3geyj 684 v (680 k Ω) r927 7030003810 s.Resistor erj3geyj 125 v (1.2 m Ω) r951 7030003500 s.Resistor erj3geyj 332 v (3.3 k Ω) r952 7030003740 s.Resistor erj3geyj 334 v (330 k Ω)...
Page 92
S.=surface mount [main unit] [main unit] r1679 7030003680 s.Resistor erj3geyj 104 v (100 k Ω) r1680 7030003560 s.Resistor erj3geyj 103 v (10 k Ω) r1681 7030003680 s.Resistor erj3geyj 104 v (100 k Ω) r1682 7030003680 s.Resistor erj3geyj 104 v (100 k Ω) r1685 7030003680 s.Resistor erj3geyj 104 v (100 ...
Page 93
[main unit] [main unit] s.=surface mount c59 4030006900 s.Ceramic c1608 jb 1e 103k-t-a c60 4030006900 s.Ceramic c1608 jb 1e 103k-t-a c61 4030006900 s.Ceramic c1608 jb 1e 103k-t-a c62 4030006900 s.Ceramic c1608 jb 1e 103k-t-a c101 4030006900 s.Ceramic c1608 jb 1e 103k-t-a c102 4030006860 s.Ceramic c1...
Page 94
S.=surface mount [main unit] [main unit] c732 4030007140 s.Ceramic c1608 ch 1h 121j-t-a c751 4030006900 s.Ceramic c1608 jb 1e 103k-t-a c752 4030006900 s.Ceramic c1608 jb 1e 103k-t-a c753 4030006900 s.Ceramic c1608 jb 1e 103k-t-a c754 4030006900 s.Ceramic c1608 jb 1e 103k-t-a c756 4030006900 s.Cerami...
Page 95
[main unit] [main unit] s.=surface mount c1667 4030011600 s.Ceramic c1608 jb 1c 104kt-n c1668 4030011600 s.Ceramic c1608 jb 1c 104kt-n c1669 4510004440 s.Electrolytic ecev1ha010sr c1670 4030011600 s.Ceramic c1608 jb 1c 104kt-n c1671 4510004630 s.Electrolytic ecev1ca100sr c1672 4030011600 s.Ceramic c...
Page 96
S.=surface mount [pa unit] [pa unit] ic40 1110004080 s.Ic µpc2709t-e3 ic200 1110003320 s.Ic µpc2710t-e3 ic240 1110003320 s.Ic µpc2710t-e3 ic501 1110004080 s.Ic µpc2709t-e3 ic502 1110003320 s.Ic µpc2710t-e3 ic701 1180001110 s.Ic pq20vz51 q1 1560000270 s.Fet 2sk302-y (te85r) q2 1560000270 s.Fet 2sk302...
Page 97
[pa unit] [pa unit] s.=surface mount l71 6200002630 s.Coil nl 252018t-r10j l72 6200002840 s.Coil nl 252018t-r22j l97 6200005680 s.Coil eljre 15ng-f l102 6200004960 s.Coil nl 252018t-r33j l103 6200008570 s.Coil lqn21a 6n8d04 l117 6200008910 s.Coil 1812cs-122xkbc l118 6200008910 s.Coil 1812cs-122xkbc ...
Page 98
S.=surface mount [pa unit] [pa unit] r108 7030008190 s.Resistor erj12yj330u (33 Ω) r110 7030003290 s.Resistor erj3geyj 560 v (56 Ω) r111 7030003400 s.Resistor erj3geyj 471 v (470 Ω) r117 7030006070 s.Resistor erj12yj101u (100 Ω) r118 7030003560 s.Resistor erj3geyj 103 v (10 k Ω) r121 7030000230 s.Re...
Page 99
[pa unit] [pa unit] s.=surface mount r585 7030003230 s.Resistor erj3geyj 180 v (18 Ω) r586 7030003370 s.Resistor erj3geyj 271 v (270 Ω) r587 7030003420 s.Resistor erj3geyj 681 v (680 Ω) r588 7030003440 s.Resistor erj3geyj 102 v (1 k Ω) r589 7030003280 s.Resistor erj3geyj 470 v (47 Ω) r615 7510001160...
Page 100
S.=surface mount [pa unit] [pa unit] c139 4030011210 s.Ceramic grm42-6 ch 330j 500pt c140 4030016580 s.Ceramic grh111 ch 390j 500pt c141 4030016580 s.Ceramic grh111 ch 390j 500pt c142 4030004950 s.Ceramic c2012 ch 1h 470j-t-a c143 4030004720 s.Ceramic c2012 jb 1h 102k-t-a c144 4030006880 s.Ceramic c...
Page 101
[pa unit] [pa unit] s.=surface mount c307 4030006860 s.Ceramic c1608 jb 1h 102k-t-a c308 4030006860 s.Ceramic c1608 jb 1h 102k-t-a c309 4510007540 electrolytic eca 1chg 471 c310 4030007170 s.Ceramic c1608 ch 1h 221j-t-a c311 4030006880 s.Ceramic c1608 jb 1h 472k-t-a c312 4030011600 s.Ceramic c1608 j...
Page 102
S.=surface mount [pa unit] [pa unit] c607 4030007070 s.Ceramic c1608 ch 1h 330j-t-a c608 4030009920 s.Ceramic c1608 ch 1h 050b-t-a c609 4030007030 s.Ceramic c1608 ch 1h 150j-t-a c610 4030007020 s.Ceramic c1608 ch 1h 120j-t-a c611 4030007030 s.Ceramic c1608 ch 1h 150j-t-a c612 4030009920 s.Ceramic c1...
Page 103
[drv board] [pa unit] s.=surface mount f300 5210000130 fuse fgb 4a f301 5220000230 holder s-n5054 #01 f302 5220000230 holder s-n5054 #01 w3 7030003860 s.Jumper erj3ge jpw v w5 7030003860 s.Jumper erj3ge jpw v w7 7030003860 s.Jumper erj3ge jpw v w60 7030008240 s.Jumper erj12yj0r00u w61 7030008240 s.J...
Page 104
S.=surface mount [main unit] — ux-910 6-2 ux-910 [main unit] ic21 1150002020 ic m57762-02 ic31 1110001220 s.Ic ba4558f t1 ic111 1110004080 s.Ic µpc2709t-e3 ic131 1110005150 s.Ic µpc8163tb-e3 ic141 1110001890 s.Ic µpc1678g-e2 ic161 1180002040 reg ba09t ic162 1180001070 s.Ic ta7805f (te16l) ic181 1110...
Page 105
[main unit] — ux-910 [main unit] — ux-910 s.=surface mount l285 6200006050 s.Coil lqp11a 6n8c00 l286 6200006020 s.Coil lqp11a 3n9c00 l287 6200006030 s.Coil lqp11a 4n7c00 l289 6200006100 s.Coil lqp11a 18ng00 l311 2040000490 coil exc-eldr25c l501 6200001830 s.Coil nl 322522t-100j l511 6200001830 s.Coi...
Page 106
S.=surface mount [main unit] — ux-910 [main unit] — ux-910 r288 7310002670 s.Trimmer rv-143 (rh03a3as2) 471 r301 7030003320 s.Resistor erj3geyj 101 v (100 Ω) r311 7030003520 s.Resistor erj3geyj 472 v (4.7 k Ω) r312 7030003510 s.Resistor erj3geyj 392 v (3.9 k Ω) r342 7030003440 s.Resistor erj3geyj 10...
Page 107
[main unit] — ux-910 [main unit] — ux-910 s.=surface mount c65 4030011600 s.Ceramic c1608 jb 1c 104kt-n c66 4030006850 s.Ceramic c1608 jb 1h 471k-t-a c67 4030006860 s.Ceramic c1608 jb 1h 102k-t-a c69 4030007090 s.Ceramic c1608 ch 1h 470j-t-a c70 4030006860 s.Ceramic c1608 jb 1h 102k-t-a c71 40300068...
Page 108
S.=surface mount [main unit] — ux-910 [main unit] — ux-910 c287 4030006880 s.Ceramic c1608 jb 1h 472k-t-a c288 4030009530 s.Ceramic c1608 ch 1h 030b-t-a c289 4030007090 s.Ceramic c1608 ch 1h 470j-t-a c290 4030007090 s.Ceramic c1608 ch 1h 470j-t-a c292 4030006860 s.Ceramic c1608 jb 1h 102k-t-a c293 4...
Page 109
[main unit] — ux-910 [main unit] — ux-910 s.=surface mount c731 4030007050 s.Ceramic c1608 ch 1h 220j-t-a c732 4030007050 s.Ceramic c1608 ch 1h 220j-t-a c733 4030009520 s.Ceramic c1608 ch 1h 020b-t-a c734 4030011600 s.Ceramic c1608 jb 1c 104kt-n c735 4030006860 s.Ceramic c1608 jb 1h 102k-t-a c741 40...
Page 110: Section 7
Ep1 6910012480 rms20-250-201-1r 1 ep2 6450001230 hlj0999-01-480 1 mp1 8210017280 2355 front panel assembly 1 mp2 8310048750 2355 window plate 1 mp4 8930053620 2355 a-power key 1 mp5 8930052170 2355 func key 1 mp6 8930052180 2355 key board 1 mp7 8010018220 2355 sub chassis assembly 1 mp9 8610010970 k...
Page 111
7 - 2 func board jack board vr-a board mic board vr-b board rit board display unit mp25 (c) mp21 (c) mp25 (c) mp21 (c) mp25 (c) mp21 (c) mp25 (c) mp25 (c) mp25 (c) mp25 (c) mp37 (ch) j1 (j) j1 (mic) mp4 (d) mp4 (d) mp37 (ch) ep2 (f) mp33 (c) r1 (va) j1 (mic) mp35 (f) r1 (vb) mp33 (c) mp2 (c) mp38 (f...
Page 112
7 - 3 main unit pll unit drv board varistor-c board varistor-b board pa unit varistor-a board mp12 (ch) mp1851 (m) mp32 (ch) mp56 (ch) mp59 (ch) mp56 (ch) mp56 (ch) mp57 (ch) mp34 (ch) mp34 (ch) mp56 (ch) mp51 (ch) mp34 (ch) mp34 (ch) mp56 (ch) mp32 (ch) mp32 (ch) mp5 (ch) j1 (ch) mp32 (ch) mp32 (ch...
Page 113
Mp1 8930014140 earth spring (d) 1 mp7* 8510012310 2157 dbm case 1 mp8* 8510013620 2355 a-filter case 1 mp9* 8510002020 mix shield case 1 mp10* 8510012310 2157 dbm case 1 mp11* 8510013390 2355 mix case 1 mp12* 8510013890 2355 v-a shield plate 1 mp13* 8510013630 2355 u-a shield plate 1 mp14 8510010460...
Page 114: Section 8
8 - 1 • transistors and fet’s section 8 semi-conductor information b e c b e c b e c b c e b e c b e c b b e e c c b e c b e c b e c b e e e e c b e c b e c b c e b e c b e c b e c b e c b e e e e c b e c b e c e c b e e c b e b e c b e c b c e b c e b c e b e c b e c s d g d g s s d g s d g d g s s...
Page 115
8 - 2 g1 g2 s d g1 g2 s d d s g2 g1 b e c b e c b e c b e c b e c b e c b e c b1 e b2 c1 c2 b e c e1 b1 b2 c1 c2 e1 c2 b1 c1 e2 b2 e1 c2 b1 c1 e2 b2 e1 c2 b1 c1 e2 b2 g s d s g s s d g s s s s d g s d g d s 2sk2855 2sk2973 2sk2975 3sk131 t2 la 3sk177 t1b u73 3sk241 r cph3404-tl dta114 ee tl dta114eu...
Page 116
8 - 3 • diodes c a1 a2 a c c a1 a2 a pink c a c a1 a2 c1 c2 nc a c c a1 a2 a c a1 c2 c1 a1 c2 c1 a c a c a c a c a c a c a c a c a c a c a c a c a c red dot a c 1ss301 1ss355 1ss375-tl 1ss385 1sv214 1sv217 1sv237 1sv239 1sv265 tl 1sv286 1sv307 1sv308 da221 dan202 u t107 dan222tl dap202k t146 dap222 ...
Page 117: Section 9
9 - 1 9-1 vr-a board section 9 board layouts • top view gnd j1 2 6 1 to display board j2 5 ma vr nc nc msvr +5v • top view gnd j1 2 6 1 to display board j10 5 rivr nc nc sfvr +5v 9-2 vr-b board • top view gnd 2 j1 6 1 to display board j11 5 sa vr nc nc ssvr +5v 9-3 rit board.
Page 118
9 - 2 • bottom view (rit board) • bottom view (vr-a board) • bottom view (vr-b board).
Page 119
9 - 3 9-4 func board • top view kst1 kst3 kr t1 kst2 j1 1 5 2 6 to display unit j3 kr t0 gnd 9-8 varistor-a board • top view v-a2 gnd v-a1 to p a unit j652 9-5 mic board • top view 9-6 jack board • top view 9-7 drv board • top view dr v o dr v o gnd gnd gnd gnd dr vi dr vi to pa unit j932 to pa unit...
Page 120
9 - 4 • bottom view (varistor-a board) • bottom view (varistor-b board) • bottom view (varistor-c board) • bottom view (func board) • bottom view (mic board) mic j2 2 10 1 9 to display board j6 gnd ptt miud nc mice afo msqls +9v gnd • bottom view (jack board) phin j2 5 1 6 2 to display board j5 sspo...
Page 121
9 - 5 9-11 display board • top view 8 5 1 4 1 8 16 9 1 8 16 9 1 8 16 9.
Page 122
9 - 6 • bottom view (display board) 1 4 5 8 1 5 4 8 1 4 8 5 1 100 81 80 51 50 31 30 1 100 81 80 51 50 31 30 1 8 16 9 gnd 1 to main sensor j4 4 a b +5v mspo j14 7 1 to main unit j1251, j1201 sspo phg 14v hv mic mice to fan gnd j12 3 1 nc f anv +5v j2 1 to vr-a board j1 5 msvr nc nc mavr gnd 2 6 phin ...
Page 123
9 - 7 9-12 pa unit • top view 1 4 8 5 1 3 6 4 1 5 6 1 3 6 4 spe sp j50 to main unit j1853 spe sp j51 1 2 2 1 to sp1 dr vi dr vi gnd gnd j931 1 4 to drv board gnd gnd dr v o dr v o j932 1 4 to drv board v-c1 gnd v-c2 j651 1 v-a2 gnd v-a1 j652 3 to varistor-a board to varistor-c board to varistor-b bo...
Page 124
9 - 8 • bottom view (pa unit) 1 3 4 6 1 3 4 6.
Page 125
9 - 9 9-13 pll unit • top view r325 1 25 75 44 34 12 22 1 8 16 9 33 23 1 11 51 100 76 26 50 1 4 8 5 1 25 75 33 23 1 11 22 12 34 44 51 100 76 26 50 1 4 8 5 1 4 8 5 gnd pd a t 43dt 14ul nc nc nc 14v +9v - 5v pck 14dt pst4 43ul nc bfst 14v nc nc gnd 1 2 j601 1 19 2 to display board j9 to main unit j501...
Page 126
9 - 10 • bottom view (pll unit) r341 mp11.
Page 127
9 - 11 9-14 main unit • top view 1 18 16 9 1 10 20 18 16 9 11 8 1 8 16 9 1 8 16 9 16 9 18 16 9 8 1 18 16 9 8 16 9 1 1 8 16 9 1 4 8 5 1 16 9 1 8 12 24 13 18 16 9 16 9 1 18 16 9 18 16 9 8 1 4 8 5 1 1 8 16 9 7 14 8 8 1 18 16 9 18 16 9 1 12 remo te ac c 1 da t a 1 da t a 2 key main sp sub sp mice mic j1...
Page 128
9 - 12 • bottom view (main unit) 14 85 1 7 1 1 12 81 4 71 81 4 7 1 5 10 6 1 5 10 14 8 1 7 7 1 8 8 14 7 1 14 6 1 1 4 8 5 24 13 7 14 8 14 85 14 8.
Page 129
9 - 13 9-15 ux-910 main unit • top view ifm 25 j311 to ic-910 main unit j2 nc 14v gnd txs 12tp 12pv -5v pdat 12ps 12ul gnd ifs 1 gnd 24 14v nc dres rxs 1for opb1 pck 12st 12ds 12ref gnd 2 5 8 4 1 1 8 16 9 1 4 8 5 1 1 4 8 1 1 5 10 6 4 8 5 5 4 8 5 1 100 76 26 50 25 75 51 1 3 6 4 1 4 8 5 4 1 5 5 8 4 1 ...
Page 130
9 - 14 • bottom view (ux-910 main unit) 1 4 8 5.
Page 131: Section 10
10 - 1 10-1 main unit section 10 block diagrams af2s af1s af2m af1m stls dssw dsps dspm unfm agfm agsm wncm coms cwvr d96s pif phco pcon muts mutm extg upri 430s 430m 430m 144m ut9v vt9v vut9 sw send remote common line line rx line tx line data bus line dcon din mod bu4053bcfv ic1531a key avxl extg ...
Page 132
10 - 2 10-2 pa and pll units b2lo 60.4 mhz osc buff amp amp amp 2sc4081 2sc4081 q602 q541 sc-1287 ic601 2sc5107 q551 x2 bpf att lpf dds bfom to ux-910 30.2 mhz common line line rx line tx line data bus line 43ul dtc144eu q154 det unlock bfos att att lpf lpf hpf hpf from display board bu4094bcf ic1 d...
Page 133
10 - 3 10-3 front unit s-80942anmp-dd6 ic7 alcl stl srl key front rms20-250-201-1r ep1 xn58x2464 ic6 main sensor key matrix bus front key func board sub tx/rx led phin sfvr rivr ssvr savr msvr mavr phone jack vr-a board vr-b board rit board main tx/rx led common line line rx line tx line data bus li...
Page 134: Section 11
11 - 1 section 11 wiring diagram 1 2 j551 j541 30.2 p312 j1 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 pll unit 430m 1lo w305 2 1 2 1 gnd bfos j1051 2 1 p701 2 1 afs dsom gnd gnd dsos gnd nc nc dres ints dpst mdtc mck 5v dsps gnd gnd gnd ifm gnd nc nc 14v 14v gnd dres txs rxs 12tp 1for 12pv ...
Page 135: Section 12
12 - 1 12-1 front unit section 12 voltage diagrams [power] j14 from main unit j1251, j1201 to main unit j1101 to main unit j1151 7 6 5 4 3 2 1 hv 14v mic mice mspo phg sspo phg1 hf50acc322513-b l3 phin gnd sspo mspo gnd mic mice +9v miud2 gnd afo ptt msqls gnd j6 10 9 8 7 6 5 4 3 2 1 0.001 c25 ep4 h...
Page 136
12 - 2 12-2 pll unit 0.68 µ h l601 0.47 µ h l602 220p c601 56p c602 390p c603 180p c604 180p c605 w603 68p c608 3.3 µ h 0.68 µ h 0.47 µ h 3.3 µ h l604 0.01 c609 r613 2k r614 2k r615 2k r616 2k r617 2k r618 2k r619 2k r620 2k r609 1k r608 1k r607 1k r606 1k r605 1k r604 1k r603 1k pck pdat pres bfst ...
Page 137
12 - 3 12-3 pa unit (1) chassis j1 [vhf ant] w710 p501 j501 to main unit j51 from pll unit j251 j503 p510 j510 to main unit j651 r722 1k d721 hsu88 c731 100p r715 47k c715 100p c734 2p c730 6p l721 la-177 l722 la-177 l723 la-176 r721 68 l657 la-300 c676 10p r711 56 c671 15p c672 15p c673 2p c674 47p...
Page 138
12 - 4 12-4 pa unit (2) chassis j2 [uhf ant] r185 1k d181 hsu88 c192 220p r170 2.2k c401 220p l182 1812cs.122xkbc w180 r184 68 r186 68 r189 10k c191 10p l180 la-69 l181 la-69 l184 la-252 d182 xb15a407 d184 xb15a407 d183 xb15a407 d185 xb15a407 c194 0.001 c185 1p c187 2p c173 4p c329 2p c174 200p c156...
Page 139
12 - 5 unit (1) main 0.01 c1461 0.01 c1471 0.01 c1481 c1491 0.01 0.1 c1532 0.1 c1531 r1709 10k c1724 0.1 4.7k r1708 r1681 100k c1521 0.01 ctcs afs afm cp1404 cp1403 cp1402 cp1401 c1401 0.01 c1402 0.01 mice mic hv 14v phg sspo mspo cive civ dot dash h e f h f l1585 100 µ h outs ptt1 outm aalc extg d9...
Page 140
12 - 6 xp4312 q402 1 2 3 4 5 6 1 c482 2sk1829 q406 xp4601 q405 1 2 3 4 5 6 1 2 3 4 5 6 0.01 c469 c467 10 0.0056 c466 0.1 c465 0.0022 c464 47k r477 1k r475 1.8k r474 22k r473 22k r472 22k r471 47k r470 47k r469 w483 0.1 c468 r479 56k r478 220 180k r476 -5v 56k r486 10k r485 0.1 c474 680p c480 100k r4...
Page 141
12 - 7 12-8 ux-910 main unit (1) mp541 c546 0.5p r555 100 r551 22k l555 56nh c551 47p r533 100 r543 6.8k c549 0.001 l531 10nh q541 2sc5508 8v_1vco d531 ma8082 r531 220 q531 2sd2216 ep543 d541 1sv239 r515 10 c548 10p c533 1 c534 470p c538 0.001 c531 470 c532 1 ssb,cw q511 2sk880 c514 0.0047 c511 0.00...
Page 142
12 - 8 12-9 ux-910 main unit (2) chassis j501 [12ant] 1lo 2lo cnty -5v dat ck 12ul 12c2 12ps 12ds 12dr +5 +9 cnty +5 +9 -5v 1lo 2lo ck dat 12c2 12ul 12dr 12ds 12ps main unit (1) main unit (2) dres 12st +5 dat ck +5 1k r342 2lo 1lo 2lo 1lo +5 bu4094bcfv ic301 8 16 10 qs 9 qs 11 q8 12 q7 13 q6 14 q5 7...
Page 143
Asia icom inc. 6f no.68, sec. 1 cheng-teh road, taipei, taiwan, r.O.C. Phone : +886 (02) 2559 1899 fax : +886 (02) 2559 1874 url : http://www.Asia-icom.Com e-mail : sales@asia-icom.Com zac de la plaine, 1, rue brindejonc des moulinais bp 5804, 31505 toulouse cedex, france phone : +33 (5) 61 36 03 03...
Page 144
1-1-32, kamiminami, hirano-ku osaka 547-0003, japan s-13714hz-c1 © 2001 icom inc..