Icom IC-M506 Service Manual - page 42
10-3
• MAIN UNIT (2/2)
*: Refer to the PARTS LIST for the value and name of component.
10k
R629
68k
R625
82k
R624
82k
R623
0.001
C643
0.0039
C642
220P
C731
2SB1143
Q501
LMV324IPW
IC513
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
0.1
C603
0.01
C602
KTC811U
Q502
1
2
3
4
5
6
LMV324IPW
IC506
B
C
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1M
R525
1M
R524
1M
R522
0.001
C526
100k
R537
330
R504
330
R505
1k
R506
0.001
C649
4.7
C650
10
R632
4.7k
R621
4.7k
R567
0.22
C523
0.001
C732
0.001
C761
1M
R540
1M
R539
33k
R529
1
C527
1
C528
1
C543
100P
C630
22P
C629
470P
C627
22P
C628
0.001
C825
100k
R544
ERBRE3R00V
F1
12
0.01
C728
82P
C725
0.001
C727
0.001
C726
470P
C724
J1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
0.001
C834
0.001
C838
22P
C831
2.7
R512
2.7
R511
2.7
R513
2.7
R514
2.7
R515
TC7S66FU
IC703
1
2
3
4
5
NJU7772F33
IC511
1
VIN
2
GND
3
CTRL
4
NC
5
VOUT
0.1
C604
0.01
C605
10
C606
J4
1
2
3
4
5
6
7
8
9
10
EZJP0V080DA
D501
0.001
C517
0.001
C516
EZJP0V080DA
D502
EZJP0V080DA
D503
EZJP0V080DA
D504
0.001
C514
220P
C743
0.001
C814
10
R581
10
R582
10
R583
0.001
C812
1M
R584
1.5k
R565
3.3k
R566
100k
R547
220k
R545
1
R766
1
R765
0.001
C640
0.001
C791
0.1
C792
15k
R501
10k
R502
10k
R503
100
C762
22
C501
TC7S66FU
IC704
1
2
3
4
5
0.001
C578
27k
R628
1k
R626
3.3k
R531
2.2k
R532
470P
C509
470P
C506
0.01
C507
0.01
C510
100P
C508
0.1
C503
0.001
C502
0.001
C504
0.1
C505
0.01
C511
0.01
C512
27k
R530
M61545AFP
IC702
1
VIN1
2
VOUT1
3
GND
4
DATA
5
CLOCK
6
VCC
7
VOUT2
8
VIN2
0.0047
C538
15k
R551
0.022
C537
0.068
C536
0.0047
C539
0.22
C535
220k
R557
68P
C641
4.7k
R622
10k
R648
10k
R646
470k
R650
0.001
C664
0.1
C663
470k
R633
0.47
C560
0.47
C531
0.1
C741
33k
R734
15k
R735
10k
R754
10k
R753
10k
R716
100k
R711
*C712
56k
R713
0.01
C711
56k
R715
LMV324IPW
IC514
1
2
3
4
5
6
7
8
9
10
11
12
13
14
*C714
100k
R712
56k
R714
100
R717
*C713
10k
R706
56k
R705
56k
R704
56k
R703
100k
R702
100k
R701
0.01
C701
100
R707
10k
R785
4.7
C718
0.001
C719
10
R771
100k
R541
1M
R737
10k
R756
470k
R775
100k
R774
2.7k
R534
10
R528
4.7k
R527
0.01
C644
820k
R554
10
R555
15k
R553
15k
R552
10k
R556
15k
R612
15k
R611
0.47
C541
100
R535
22
C529
10
R755
470k
R568
0.1
C658
10k
R637
100k
R636
1M
R890
1M
R891
100k
R885
100k
R520
2.2
C521
1M
R521
2.2
C520
0.47
C577
0.47
C764
0.1
C782
220P
C787
LDTC114EE
Q702
2.7
R762
0.1
C783
2.7
R764
EP703
220P
C776
EP708
10
C763
220P
C786
0.1
C773
470
C765
0.1
C772
EP707
0.0047
C795
0.1
C766
220P
C788
220P
C777
2.7
R761
2.7
R763
220P
C778
220P
C785
220P
C775
0.1
C770
RL1
0.01
C571
XC6221A152MR
IC903
1
VIN
2
VSS
3
CD
4
NC
5
VOUT
1
C918
10k
R903
LE25U40CMC
IC904
1
CS
2
SO(SOI)
3
WP
4
GND
5
SI(SIO)
6
SCK
7
HOLD
8
VCC
0.1
C915
10
C936
1
C902
0.1
C937
18k
R923
0.1
C939
10k
R913
0.1
C923
XC6221A332MR
IC902
1
VIN
2
VSS
3
CE
4
NC
5
VOUT
0.1
C925
CSTCE8M19G55
X901
0.1
C916
0.1
C935
10k
R902
0.1
C933
4.7U
L902
0.47
C912
0.1
C921
10k
R911
0.1
C934
1
C903
10k
R912
0.1
C913
10
C917
4.7U
L901
0.47
C911
100k
R549
0.1
C938
1
C904
10
C905
1M
R909
1
C901
470k
R569
1
R722
82k
R647
1.8k
R635
0.01
C651
1M
R586
220k
R585
1M
R526
TC74VHC4066AFK
IC906
1
I/O1
2
O/I1
3
O/I2
4
I/O2
B
C
5
CONT2
6
CONT3
7
VSS
8
I/O3
9
O/I3
10
O/I4
11
I/O4
12
CONT4
13
CONT1
14
VDD
TC74VHC4066AFK
IC505
1
I/O1
2
O/I1
3
O/I2
4
I/O2
5
CONT2
6
CONT3
7
VSS
8
I/O3
9
O/I3
10
O/I4
11
I/O4
12
CONT4
13
CONT1
14
VDD
TC74VHC4066AFK
IC504
C
1
I/O1
2
O/I1
3
O/I2
4
I/O2
5
CONT2
6
CONT3
7
VSS
8
I/O3
9
O/I3
10
O/I4
11
I/O4
12
CONT4
13
CONT1
14
VDD
TC74VHC4066AFK
IC503
1
I/O1
2
O/I1
3
O/I2
4
I/O2
5
CONT2
6
CONT3
7
VSS
8
I/O3
9
O/I3
10
O/I4
11
I/O4
12
CONT4
13
CONT1
14
VDD
TC74VHC4066AFK
IC502
1
I/O1
2
O/I1
3
O/I2
4
I/O2
5
CONT2
6
CONT3
7
VSS
8
I/O3
9
O/I3
10
O/I4
11
I/O4
12
CONT4
13
CONT1
14
VDD
TC74VHC4066AFK
IC882
1
I/O1
2
O/I1
3
O/I2
4
I/O2
5
CONT2
6
CONT3
7
VSS
8
I/O3
9
O/I3
10
O/I4
11
I/O4
12
CONT4
13
CONT1
14
VDD
0
R914
100
R924
10
R901
4.7U
L903
2SK880
Q31
47k
R517
1M
R516
J7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
LMV358IPW
IC881
1
2
3
4
5
6
7
8
1M
R886
0.1
C892
4.7
C891
1M
R893
0.1
C895
1M
R892
100k
R884
22k
R883
22k
R627
4.7
C631
LE25U40CMC
IC905
1
CS
2
SO(SOI)
3
WP
4
GND
5
SI(SIO)
6
SCK
7
HOLD
8
VCC
0.1
C924
0.001
C767
0.001
C769
0.01
C768
0.1
C922
1M
R921
10k
R906
10k
R907
10k
R908
1
C910
1
C914
EP702
0.1
C613
100
C611
0.01
C612
KIA7805API
IC512
I
O
COM
0.01
C615
0.1
C614
100
C616
10
R881
TPC6111
Q512
1
2
3
4
5
6
100k
R601
47k
R602
LDTC144EE
Q511
0.001
C620
470P
C632
470
C621
0.001
C624
DSA3A1
D601
0.1
C622
470P
C623
100P
C625
47P
C626
0.001
C867
0.001
C865
0.001
C869
J2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
0.001
C851
0.001
C843
0.001
C845
0.001
C853
0.001
C857
0.001
C859
0.001
C855
0.001
C816
10k
R925
L1SS400
D702
10k
R922
CP21
CP22
CP25
CP24
1
C881
100k
R721
100k
R571
0.1
C576
J3
1
2
3
4
5
6
MC74HC4094ADTR2G
IC801
1
STR
2
D
3
CLK
4
Q1
5
Q2
6
Q3
7
Q4
8
GND
9
QS
10
Q'S
11
Q8
12
Q7
13
Q6
14
Q5
15
OE
16
V+
MC74HC4094ADTR2G
IC802
1
STR
2
D
3
CLK
4
Q1
5
Q2
6
Q3
7
Q4
8
GND
9
QS
10
Q'S
11
Q8
12
Q7
13
Q6
14
Q5
15
OE
16
V+
4.7k
R916
4.7k
R915
22P
C811
22P
C824
22P
C829
22P
C847
22P
C849
22P
C861
22P
C863
0.0022
C702
0.01
C703
100P
C704
0.0039
C894
8.2k
R888
47k
R887
330k
R630
33k
R638
3.3k
R641
1.5k
R640
18k
R564
22k
R563
1.2k
R562
4.7k
R561
0.0018
C534
0.0022
C533
10k
R559
10k
R560
10
R533
4.7
C524
0.001
C525
0.1
C532
22k
R741
0.001
C818
NTCG16
R723
100k
R724
0.001
C882
0.1
C883
0.001
C813
0.001
C815
0.001
C806
10k
R782
150k
R732
0.22
C747
MMZ1005S601CT
MMZ1005S601CT
EP701
0.22
C749
CP23
CP26
10k
R758
0.22
C756
0.22
C753
10
C755
22k
R745
1M
R740
0.22
C759
220P
C734
0.001
C733
22P
C820
22P
C822
EP704
EP705
EP706
220P
C798
0.001
C796
470k
R791
0.1
C797
4.7k
R792
LMV321IDCK
IC705
1
2
3
4
5
100
R794
LMV321IDCK
IC706
1
2
3
4
5
LMV321IDCK
IC707
1
2
3
4
5
10k
R748
10k
R744
0
R757
220k
R793
4.7k
R784
100
R783
0.022
C657
0.1
C742
0.1
C752
0.1
C757
0.0033
C932
0.033
C931
680
R927
100k
R743
0.1
C750
0.22
C744
820P
C758
27k
R747
100k
R746
680P
C748
33k
R742
0
R850
2.7
R905
100k
R738
100k
R739
LA4628
IC701
1
IN1
2
DC
3
PRE-GND
4
STBY
5
ON TIME
6
IN2
7
POP
8
+OUT2
9
-OUT2
10
PWR-GND2
11
+OUT1
12
PWR-GND1
13
-OUT1
14
VCC
LC703200AW
IC901
1
XVSS
2
XIN
3
XOUT
4
XVDD
5
JTAG_TMS
6
JTAG_TDO
7
MODE1
8
MODE0
9
DVDD15
10
DVSS
11
DVDD33
12
GPIO17/TCLKA
13
GPIO7/TMAIO0/PWM0
14
GPIO8/TMBIO0/INTB2
15
GPIO9/TMAIO1/PWM1
16
GPIO10/TMBIO1/INTB3
17
GPIO11/TMAIO2/PWM2
18
GPIO12/TMBIO2/INTB4
19
GPIO13/TMAIO3/PWM3
20
GPIO14/TMBIO3/INTB5
21
GPIO15/TMAIO4/PWM4
22
GPIO16/TMBIO4/INTB6
23
GPIO5/SI1/TMAIO5/PWM5
24
GPIO6/SO1/TMBIO5
25
TEST
26
AVSS
27
AVDD
28
MIC0IN
29
MIC0COM
30
MIC1COM
31
MIC1IN
32
MICBIAS
33
AVSS
34
AVDD
35
VREF
36
DAOUT0
37
DAOUT1
38
AVDD
39
AVSS
40
JTAG_TDI
41
JTAG_TCK
42
SCL
43
SDA/SIO0_BUSY
44
DVDD15
45
DVSS
46
DVDD33
47
INT0
48
INTB1
49
RESETB
50
PDNB
51
SYSRDY
52
GPIO18/SIO0_SCK
53
GPIO19/SIO0_SI
54
GPIO20/SIO0_SO
55
GPIO0/LRCK0/SIO1_BUSY
56
GPIO1/BCK0/SIO1_SCK
57
GPIO2/SI0/SIO1_SI
58
GPIO3/SO0/SIO1_SO
59
GPIO4/ACLK
60
DVDD15
61
DVSS
62
DVDD33
63
PLLAVDD
64
PDO
47
C637
22P
C856
0.001
C866
0.001
C864
0.001
C868
0.001
C862
0.01
C636
1
C893
10k
R894
0.001
C896
27k
R882
L5V
RINTMO
ICEXTS
ICEXTS
COMRXD
PAINMO
ICINTS
ICF3
COMTXD
VOL1
CMD-VCC
MDET
WXDEC
DSCDEC
MIC-IN
IMICS
EMICS
EMICS
REXTMO
REXTMO
DSCENC
MVSOUT
MVSOUT
MNCINMNCIN
MVSOUTS
MVSPASS
RVSOUT
CMICAFSO
PAVOL
RNCPASSO
RRECSO
RXSPMO
HORNC
PTTCI
RPLAYSO
HMICINS
HMICO
A33
A33
NCSYSRDYI
NCSDATA
NCSCK
LVTX
SCSTBO
SCSTBO
SCDATAO
SCDATAO
SCCKO
SCCKO
MVSOUT
NCPDNBO
D15
D15
CH70DET
ICPAS
NC1
MNCOUT
MNCOUTSO
MNCPASSO
MNCIN
MICSO
D33
D33
RVSOUT
CH70DET
CH70DS
MDETS
HORNO
RVSPASS
RVSOUTS
MNCPASSO
RVSO
AISCO
NOISEV
MRSSIV
TXMSO
IOSTBO
PAINMO
PASTBYO
EVDATAO
COMTXD
ICF3
PTTCI
CMICAFSO
SCCKO
SCDATAO
SCSTBO
NCSDATA
RPLAYSO
RNCPASSO
RRECSO
NCSYSRDYI
T5VSO
NCPDNBO
NCRESETBO
SCRMOPTI
IOSTBO
SCKO
SDATAO
SCKO
IOSTBO
RVSHIF
ICEXTS
ICPAS
HMICINS
HORNC
MDETS
HL/ATT
ICINTS
RVSPASS
MVSOUTS
RVSOUTS
CH70DS
EMICS
IMICS
HSPC
MVSPASS
WXDEC
DSCDEC
LVRX
LVTX
PLSTBO
UNLKI
DASTBO
AISRXDI
DSCENC
MNCOUTSO
SCKO
SDATAO
RINTMO
TDETV
HORNO
REXTMO
RXSPMO
NCRESETBO
RMOD
AFINMO
TEMPV
MIC-IN
PONO
PONO
COMRXD
BEEPO
SP+
SP+
NDET
5V
5V
5V
PASTBYO
HV
HV
HV
EVCKO
NCSCK
EVCKO
EVDATAO
HMICO
NOISEV
VOL1
PAVOL
HSPC
AFINMO
3V
3V
VCC
VCC
VCC
VCC
MDET
SCRMOPTI
VBIAS
VBIAS
VBIAS
VBIAS
VBIAS
MICSO
SP-
SP-
MIC-G
MICG
COMTXD
COMRXD
PTTC
ICF3
GND
GND
AF/MIC
MICG
SP+
PA+
PA-
SP-
DC POWER
5.0 V
Tx CH16: 1.7 V
Rx: 1.7 V