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Icom IC-PCR1500 Service Manual - Logic Unit
10 - 1
SECTION 10 BLOCK DIAGRAM
Explanatory notes
+B LINE
RX LINE (PCR1500/2500)
RX LINE (PCR2500 only)
RX COMMON LINE
PCR 2500 only
J3
S1
CPU5V
REG
L5V
REG
RESET
PWR
CTRL
PWR
CTRL
B+5V
REG
A+5V
REG
B+8V
REG
A+8V
REG
–5V
DC-DC
FIL
RIPPLE
AF+9V
REG
PWR
CTRL
J5
1
1
2
2
3
3
4
4
5
5
6
6
J2
To the
PC
To the
UT-122
1
2
3
4
X3:
CR-816 (12.000 MHz)
J2010
J2008
J8
J6
SP1
S1: SW-168
ATT
AF
AMP
AF
AMP
AMP
AMP
BPF
EEPROM
X4:
CR-816 (12 MHz)
AP5V
REG
BUFF
OP5V
REG
BUFF
X2: 4.194304 MHz
BPF
AF
AMP
POWER-SW
DC-JACK
IC3: XC6202P502
IC35: S-80942
Q4: 2SJ377
Q6: DTC144EU
PWR
RESET
L5V
MAIN-B PWR CONTROL
IC9: AN78L05
Q2002: 2SB1123
Q2001: DTC144EU
IC2006: TA7805
IC2007: AN7708
B+5V
B+8V
IC6: TA7805
IC7: AN7708
A+5V
A+8V
+33V
REG
+33V
IC2: BA6161F
D2: 1SS355
Q9: 2SC4617
Q5: 2SB1201
Q8: XP1501
AF+9V
USB+3.3V
REG
IC1: S-812C33
USBPOW
Q31: 2SB798
Q32: 2SC4116
D27: MA2S111
Q33: UNR9214
USB+3.3V
–5V
IC8: PC1555
D6: 1SS272
D8: MA8051
FRONT/
APDATA
SELECT
D30, D33: 1SS400
IC40, IC41: SN74AHC2G53
VBAS
IC32: USB2502
USB+3.3V
VBAS
CTRL
Q25: UNR9114
Q26: UNR9214
IC15: SN74LVC1G08
USB-
UART
BRIDGE
IC20: CP2101
USB-AUDIO
IC16:
PCM2901E
D+/D–
D+/D–
D+/D–
USB+3.3V
USB+3.3V
USB+3.3V
AF+8V
SP
MUTE
SPMUTE
APAFON
ELEC.
VR
OPTION
IC12:
LA4425A
Q12: 2SC4213
D28, D2029: 1SS400
IC17: SM6451B
Q18:
2SC4617
L5V
L5V
USB
AUDIO
SELECT
L5V
L5V
L5V
Q2015:
2SA1832
Q15:
2SA1832
IC2038:
SN74AHC1G66
USBINSEL
BEEP
L5V
AF
SELECT
OPAFINH
OPAFSEL
L5V
IC27: LM2904
L5V
L5V
SELECT
APAFSEL
APAFINH
AF
[ANA_AP/DV:SEL]
[AF-DIV.:OFF]
[FM/AP: SEL]
[DV/AM/etc: OFF]
FDET
APAFOUT
IC18: M30624
CPU5V
CPU5V
IC14: 24LC512
CLOCK
SHIFT
D26: HVC376
VBAS
CTRL
CPU5V
D34: 1SS400
LEVEL
CONV.
CPU5V
IC37: SN74LVC1G08
D14-D18, D20-D24:
IC34, IC36: CD4094
UT-122 UNIT
UT-108/118 UNIT
CPU5V
VCC
APPWR
Q2019: 2SB798
Q2021: 2SC4116
D2012: MA2S111
SELECT
SMETER
Q2022: 2SC4116
Q2020: 2SB798
VCC
OPPWR
D2013: MA2S111
AP5V
OP5V
AP5V
SMAD
BSMAD
IFOUTINH
IFOUTSEL
AP5V
IFOUT
IFOUTINH
IFOUT
SELECT
BIFOUT
L5V
IFOUTSEL
IC2039:
SN74AHC2G53
IC2028:
SN74AHC2G53
Q2023: 2SA1832
OPTION
JUDGE
Q2039:
UNR9214
IC23:
SN74AHC2G53
SELECT
FDET
DET
FDETSEL
OP5V
Q2024:
2SA1832
FDETINH
L5V
BFDET
CPU5V
OP5V
TXD, RXD
232RX, 232TX
DTMF
DEC
L5V
FDET
L5V
2SC4617
[AF-DIV.: OFF]
IC2023:
SN74AHC2G53
SELECT
L5V
Q2018:
L5V
SELECT
BOPAFSEL
AF
[ANA_AP/DV: SEL]
APAFOUT
L5V
BOPAFINH
BAPAFINH
IC2027: LM2904
[FM/AP: SEL]
BFDET
AF
BAPAFSEL
[DV/AM/etc: OFF]
APAFOUT
IC4:
SN74AHC2G53
IC2031:
SN74AHC2G53
AFO
BAFO
FROM
MAIN-B UNIT
FROM
MAIN-A UNIT
FDET
L5V
TONE
FIL.
VSC
FIL.
IC21:
LM2904 [1/2]
IC21:
LM2904 [1/2]
FIL.
IC2021:
LM2904 [1/2]
L5V
VSC
IC2021:
LM2904 [1/2]
TONE
FIL.
BFDET
BFDET
FDET
MA2S111
IC19:
BU8872FS
IC2029:
SN74AHC2G53
REV.
PROTECT
D36, D37:
MA2S728
L5V
X1:
CR-815 (24.000 MHz)
SP-OUT / LINE
SELECT
UT-106UNIT
USB HUB
CPU
MATRIX
EXPAND
OPTION
OPTION
LOGIC UNIT
Summary of IC-PCR1500
Page 1
Guide for cd 1) composion 1 pcr1500_2500 pcr1500_2500.Pdf fyc pcr1500_2500_a3format.Pdf pcr1500_2500_a4format.Pdf pcr1500_2500_manual.Pdf installer ar505eng.Exe readme.Txt 2) description pcr1500_2500.Pdf the service manual for ic-pcr1500 and ic-pcr2500 including all service information in this cd. T...
Page 2: Ar505Eng.Exe
2 ========================================================================================= icom, icom inc. And icom logo are registered trademarks of icom incorporated (japan) in the united states, the united kingdom, germany, france, spain, russia and/or other countries. Adobe acrobat reader copyr...
Page 3: 3%26)#%
3%26)#% -!.5!, ic-pcr1500 ic-pcr2500 s-14222mz-c1 jun. 2006 communications receivers.
Page 4
This service manual describes the latest service information for the ic-pcr1500 and ic-pcr2500 communications receivers at the time of publication. Be sure to include the following four points when ordering replacement parts: 1. 10-digit icom parts numbers 2. Component name and informations 3. Equip...
Page 5
Table of contents section 1 specifications section 2 inside views section 3 disassembly instructions section 4 circuit descripiton 4-1 receiver circuits. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1 4-2 pll circuits . . . . . . . ....
Page 6: Section 1
1 - 1 section 1 specifications m general • frequency coverage ¤ * 9 9 9 9 9 9 . 9 0 8 – 0 0 0 0 1 0 . 0 : , 1 * 2 9 9 9 9 9 9 . 6 6 8 – 0 0 0 . 1 5 8 0 0 0 0 0 0 . 0 0 3 1 – 0 0 0 . 6 9 8 9 9 9 9 9 9 . 0 1 8 1 – 1 0 0 0 0 0 . 0 0 3 1 * 9 9 9 9 9 9 . 7 6 8 1 – 0 0 0 . 2 5 8 1 1 * 9 9 9 9 9 8 . 5 0 3 ...
Page 7
¤ m f w ) d a n i s b d 2 1 ; . V e d z h k 5 . 2 5 / z h k 1 ( v µ 4 . 1 n a h t s s e l : z h m 9 9 9 . 9 9 6 – 0 0 0 . 0 5 v µ 8 . 1 n a h t s s e l : z h m 0 0 0 . 0 0 3 1 – 0 0 0 . 0 0 7 : z h m 9 9 9 . 9 9 2 2 – 1 0 0 0 0 0 . 0 0 3 1 v µ 8 1 n a h t s s e l v µ 6 5 n a h t s s e l : z h m 0 0 ...
Page 8: Section 2
2 - 1 section 2 inside views logic unit top view bottom view +33v regulator ic2: ba6161f d2: 1ss355 vsc/tone filter (ic2021: lm2904) ic-pcr2500 only af +8v regulator (q5: 2sb1201, q8: xp1501) af amplifier (ic12: la4425a) usb hub (ic32: usb2502) usb +3.3v regulator ic1: s-812c33 q31: 2sb789 q32: 2sc4...
Page 9
Down converter circuits 1st vco circuits 2nd vco circuits dds circuits rf circuits • main-a unit noise blanker amplifier (q68: 2sk882) apco5v regulator (q77: 2sa1832) buffer (q60: 2sc4617) am detecter circuits wfm if ic (ic16: la1145m) nfm, fm, if ic (ic24: ta31136) rssi meter amplifier (ic25: njm29...
Page 10
• main-b unit (ic-pcr2500 only) • ut-122 (optinal product; digtal unit for [ic-pcr2500: usa-3]) noise blanker (q68: 2sk882) bapco5v regulator (q77: 2sa1832) 3rd if filter (fi1: cfwka450) buffer (q60: 2sc4617) am detecter circuits wfm if ic (ic16: la1145m) nfm, fm, if ic (ic24: ta31136) agc amplifier...
Page 11: Section 3
3 - 1 section 3 disassembly instructions • removing the top cover and shield covers q unscrew 8 screws, a. W unplug the connectors b and c from the logic unit. E remove the top cover in the direction of the arrow. R remove the shield covers d and e* in the direction of the arrow. • removing the logi...
Page 12: Section 4
Section 4 circuit description 4-1 receive circuits 4-1-1rf circuits (main-a/-b units) the main-a unit has eight rf circuits and one down converter circuit to provide wide receiving range. The received signals from the antenna connector (chassis; j1) are applied to rf circuits or down converter circu...
Page 13
• 1300–3300 mhz* the 1300–3300 mhz signals from the antenna are applied to the down converter circuit where those signals are converted into the lower frequencies. In fm or am mode, the 2nd if signal is passed through the fi5 (band width=50 khz) via mode switches (d66, d70), in wfm mode, the 2nd if ...
Page 14
4-1-6 af circuits (logic unit) the demodulated af signals from the demodulator circuits are amplifi ed and fi ltered in the af circuits. In fm mode, the demodulated af signals from the demodulator circuits are passed through the af select switch (ic4, pins 1, 7) and bpf (ic27, pins 1, 3 and 5, 7), t...
Page 15
Pulse-type signal at the noise detector section, and output from pin 13 as the “nois” signal. The “nois” signal is applied to the cpu (ic18, pin 16). And the cpu outputs control signals “lstb,” “vdat,” “vck” from pins 61, 57, 58, to the expander (ic34) according to the “nois” signal level. Then the ...
Page 16
The phase difference is output from pin 5 as a pulse type signal after being passed through the internal charge pump. The output signal is applied to the vco (q19, d43) after being converted into the dc voltage (lock voltage) at the loop filter (r84, r102, r106, c180, c188, c202, c645, c646). • 1st ...
Page 17
4 - 6 4-4 power supply circuits voltage line destination voltage line destination hv same voltage as the connected power supply. Ap5v optional ut-122. Af+8v af power amplifi er (ic12). Op5v optional ut-108/ut-118. L5v electric volume (ic17), tone fi lter (ic21), af switch (ic4, ic23), etc. A+5v main...
Page 18
4 - 7 pin no. Port name description 4 bmst2 outputs strobe signal to the expander (main-b unit; ic18, pin1). 5 bck outputs clock signal to the expander (main-b unit; ic17, pin 3). 8 bmst1 outputs strobe signal to the expander (main-b unit; ic3, pin1). 9 cshift outputs clock frequency shift signal to...
Page 19: Section 5
5 - 1 section 5 adjustment procedures ¤ required test equipments equipment grade and range equipment grade and range standard signal generator (ssg) frequency range : 0.1–3300 mhz output level : 0.1 µv to 32 mv (–127 to –17 dbm) ac milliwattmeter measuring range : 10 µw to 100 mw frequency counter f...
Page 20
5 - 2 ¤ entering adjustment mode q set the direction of the [vol] (right) to 12 o'clock (11–1 o'clock). W push and hold [main•nb]+[main•agc]+[att•prio] +[mode•scan] key, and turn the power switch (main unit) on. ¤ key assignments for the adjustment mode • [main•nb] : selects the next adjustment item...
Page 21
5 - 3 adjustment operation value reference frequency [ref] 1 • connect a frequency counter to the j5 connector on the main-a unit (see the illust below). 10.25000 mhz 2 • push [ts•mode]/[set•skip] to store the set value. Bpf [lt1]–[htf] 1 • preset the adjustment items as below before the “bpf“ adjus...
Page 22
5 - 4 adjustment operation value s-meter [ns0]–[ws6] 1 • set the ssg as; frequency : specifi ed frequency* modulation : none level : specifi ed level † automatic adjustment 2 • push [ts•mode]/[set•skip] to store the adjustment value. 3 • repeat 1–2 for each specifi ed frequency and value for [ns0] t...
Page 23
5 - 5 5-3 main-b unit adjustment (pcr2500 only) adjustment operation value bpf [lt1]–[htf] 1 • set the adjustment items as below before the “bpf” adjustment. [aga] : “8a” [ifa] : “25” automatic adjustment 2 • connect an ssg to the antenna connector “ant1” and set as; frequency : specifi ed frequency...
Page 24
5 - 6 5-3 main-b unit adjustment (pcr2500 only; continued) adjustment operation value s-meter [ns0]–[ws6] 1 • set the ssg as; frequency : specifi ed frequency* modulation : none level : specifi ed level † automatic adjustment 2 • push [set•skip] to store the adjustment value. 3 • repeat 1–2 for each...
Page 25
5 - 7 adjustment item disp. Rf level † (dbµ/dbm) reference frequency ref* – bpf lt1 35/–72 mt1 35/–72 ht1 35/–72 lt2 35/–72 mt2 35/–72 ht2 35/–72 lt3 35/–72 mt3 35/–72 ht3 35/–72 lt4 35/–72 ht4 35/–72 lt5 35/–72 mt5 35/–72 ht5 35/–72 lt6 35/–72 mt6 35/–72 ht6 35/–72 lt7 35/–72 ht7 35/–72 lt8 35/–72 ...
Page 26: Section 6
6 - 1 section 6 parts list m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [logic unit] ref order description m. H/v no. No. Location ic1 1180002391 s.Reg s-812c33amc-c2n-g t 47.3/40.1 ic2 1110002350 s.Ic ba6161f t 10.3/20.8 ic3 1110006090 s.Ic xc6202p502pr t 119.7/41.1 i...
Page 27
6 - 2 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) s.=surface mount [logic unit] ref order description m. H/v no. No. Location r90 7030005080 s.Res erj2gej 823 x (82 k) t 92.6/21.3 r91 7030005240 s.Res erj2gej 473 x (47 k) t 127/28.5 r98 7030005060 s.Res erj2gej 333 x ...
Page 28
6 - 3 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [logic unit] ref order description m. H/v no. No. Location c8 4030006900 s.Cer c1608 jb 1h 103k-t t 7.4/16.8 c9 4030016790 s.Cer ecj0eb1c103k t 42.8/48.3 c11 4030006900 s.Cer c1608 jb 1h 103k-t t 131.2/38.2 c13 4030006...
Page 29
6 - 4 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) s.=surface mount [logic unit] ref order description m. H/v no. No. Location c2116* 4030017730 s.Cer ecj0eb1e471k t 25.5/20.9 c2117* 4030017430 s.Cer ecj0ec1h101j t 34.6/20.4 c2122* 4030016780 s.Cer ecj0eb1c153k t 24.1/...
Page 30
6 - 5 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [main-a unit] ref order description m. H/v no. No. Location q9 1590001810 s.Tr xp1113 (tx) b 15.6/50.6 q10 1590003380 s.Tr unr9111j-(tx) b 17.2/46.4 q11 1530003260 s.Tr 2sc5006-t1 t 6.6/55 q12 1530003450 s.Tr 2sc4835-r...
Page 31
6 - 6 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) s.=surface mount [main-a unit] ref order description m. H/v no. No. Location fi5 2020001751 cer sfvlf10m7mf00-b0 fi6 2020001451 cer sftlf10m7ga00-b0 fi7 2020001470 cer cfwla450kl6a002-b0 fi8 2020001460 cer cfwla450khfa...
Page 32
6 - 7 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [main-a unit] ref order description m. H/v no. No. Location r16 7030005040 s.Res erj2gej 472 x (4.7 k) b 11.9/57.6 r17 7030005240 s.Res erj2gej 473 x (47 k) b 13.5/22.3 r18 7030005040 s.Res erj2gej 472 x (4.7 k) t 13.4...
Page 33
6 - 8 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) s.=surface mount [main-a unit] ref order description m. H/v no. No. Location r229 7030005040 s.Res erj2gej 472 x (4.7 k) b 65.7/10.1 r230 7030005000 s.Res erj2gej 471 x (470) [fra-1], [sea-1], [exp-2] b 43.7/28.6 70300...
Page 34
6 - 9 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [main-a unit] ref order description m. H/v no. No. Location r444 7030005050 s.Res erj2gej 103 x (10 k) b 76/22 r445 7030005240 s.Res erj2gej 473 x (47 k) b 77.6/21.9 r446 7030007290 s.Res erj2gej 222 x (2.2 k) t 96.2/4...
Page 35
6 - 10 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) s.=surface mount [main-a unit] ref order description m. H/v no. No. Location c71 4030017400 s.Cer ecj0ec1h220j t 10.1/24.6 c72 4030017430 s.Cer ecj0ec1h101j t 5.9/12.5 c73 4030017730 s.Cer ecj0eb1e471k t 17.6/52.9 c74...
Page 36
6 - 11 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [main-a unit] ref order description m. H/v no. No. Location c266 4030016930 s.Cer ecj0eb1a104k b 39/43.7 c267 4030016790 s.Cer ecj0eb1c103k b 38.4/45 c268 4030016930 s.Cer ecj0eb1a104k b 56.2/13.4 c269 4030017460 s.Ce...
Page 37
6 - 12 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) s.=surface mount [main-a unit] ref order description m. H/v no. No. Location c474 4030016930 s.Cer ecj0eb1a104k b 115/19.7 c475 4030016930 s.Cer ecj0eb1a104k b 115/12.1 c476 4030016930 s.Cer ecj0eb1a104k b 114.9/5 c47...
Page 38
6 - 13 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [main-a unit] ref order description m. H/v no. No. Location c694 4030017460 s.Cer ecj0eb1e102k t 65.5/53.9 c695 4030017460 s.Cer ecj0eb1e102k t 40.2/44.8 c696 4030017460 s.Cer ecj0eb1e102k t 40.2/43 c697 4030017460 s....
Page 39
6 - 14 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) s.=surface mount [main-b unit] (ic-pcr2500 only) ref order description m. H/v no. No. Location d103 1790001240 s.Dio ma2s728-(tx) t 87.2/28.8 d110 1750000940 s.Dio iss400 te61 b 85.4/10.2 fi1 2040001270 s.Saw efch266m...
Page 40
6 - 15 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [main-b unit] (ic-pcr2500 only) ref order description m. H/v no. No. Location r113 7030005080 s.Res erj2gej 823 x (82 k) b 41/11 r114 7030004980 s.Res erj2gej 101 x (100) t 33.4/5.7 r115 7030005050 s.Res erj2gej 103 x...
Page 41
6 - 16 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) s.=surface mount [main-b unit] (ic-pcr2500 only) ref order description m. H/v no. No. Location r362 7030005040 s.Res erj2gej 472 x (4.7 k) b 113.9/14.3 r363 7030005030 s.Res erj2gej 152 x (1.5 k) b 105.8/7.4 r364 7030...
Page 42
6 - 17 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [main-b unit] (ic-pcr2500 only) ref order description m. H/v no. No. Location c107 4030017430 s.Cer ecj0ec1h101j b 20.1/4.2 c108 4030017460 s.Cer ecj0eb1e102k b 21.4/11.9 c113 4030017460 s.Cer ecj0eb1e102k t 22.1/4 c1...
Page 43
6 - 18 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) s.=surface mount [main-b unit] (ic-pcr2500 only) ref order description m. H/v no. No. Location c375 4030017460 s.Cer ecj0eb1e102k b 54.9/42.2 c379 4510008540 s.Ele eee1ca100sr t 110.1/49.7 c380 4510008660 s.Ele eee0ja...
Page 44
6 - 19 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [main-b unit] (ic-pcr2500 only) ref order description m. H/v no. No. Location c725 4030017440 s.Cer ecj0ec1h221j b 34.5/9.7 c726 4030017440 s.Cer ecj0ec1h221j b 34.5/8.7 c727 4030017440 s.Cer ecj0ec1h221j b 35.1/7 c72...
Page 45
6 - 20 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) s.=surface mount [main unit] ref order description m. H/v no. No. Location c32 4030016930 s.Cer ecj0eb1a104k b 19.6/18.6 c33 4030016790 s.Cer ecj0eb1c103k t 12.4/14.6 c35 4030017420 s.Cer ecj0ec1h470j b 3.1/7.2 c36 40...
Page 46: Section 7
7 - 1 section 7 mechanical parts and disassembly screw abbreviations b0, bt: self-tapping ph: pan head ni-zu: nickel-zinc zk: black ep1 ep5 mp1 w1 ep2 mp2 [chassis parts] * design is depended on versions. Ref. No. Order no. Description qty. J1 6510015550 connector bnc-r117 1 j2 6510015550 connector ...
Page 47
7 - 2 mp10(mb)* mp9(mb)* j1(c) j2(c)* ep2(c) note (c) : chassis (ma) : main-a unit (mb) : main-b unit (l) : logic unit (d) : digital unit b a a b c d c d mp13(ma) mp12(ma) mp7(ma) mp11(ma) mp6(ma) mp8(ma) mp5(ma) j1(ma) j5(ma) w8(l) mp4(l) mp2(l) mp3(l) w8(c) w10(c) w7(c) mp3(c) mp5(c)* mp9(c) mp11(...
Page 48: Section
Name symbol inside view 1sr154-400 1ss400 1sv284 1sv286 1sv308 ma2s077 ma2s111 ma2s728 14 a tl t7 tx s a b a c 1ss355 1sv307 a tx ! # 1sv282 ma8051 m td 5-1 a c 1ss272 a1 a1 a2 c1 c2 1sv245 hvc376b 1sv290 t3 b9 tj a c da221 rb706f-40 k 3j a c dan222 n # ! ! Name symbol inside view 2sk880 y xy 3 $ ' ...
Page 49: Section 9
9 - 1 section 9 board layouts 2 1 17 to main-b unit “j3” j2022 18 nc bsmad gnd bnois gnd bifout boe b+5v gnd gnd gnd gnd bafo bfdet gnd gnd b+5v b+8v 2 1 17 to main-b unit “j2” j2021 w8 18 j13 j16 bmst3 gnd bplstb bmst2 gnd bmd at bdstb +33v gnd gnd bpps bmst1 bp2stb gnd bmck gnd gnd –5v 2 1 17 to m...
Page 50
9 - 2 • logic unit (bottom view) h135 h130 h125 h120 h115 h110 h105 h100 h95 h90 h85 h80 h75 h70 h65 h60 h55 h50 h45 h40 h35 h30 h25 h20 h15 h10 h5 h0 v5 v10 v15 v0 v25 v30 v35 v20 v45 v50 v55 v40 v60
Page 51
2 1 17 to logic unit “j23” to main-b unit “j5” j2 18 –5v pdstb pdres ck gnd p2stb mst0 pps gnd gnd +33v dstb dat gnd mst1 p1stb dpstb mst2 2 1 17 to logic unit “j24” j3 18 +8v +5v gnd gnd fdet afo gnd scad gnd gnd +5v oe ifout gnd nois gnd smad wfdt to antenna connector (chassis: j1) • main-a unit (...
Page 52
• main-a unit (bottom view) h130 h125 h120 h115 h110 h105 h100 h95 h90 h85 h80 h75 h70 h65 h60 h55 h50 h45 h40 h35 h30 h25 h20 h15 h10 h5 h0 v5 v10 v15 v0 v25 v30 v35 v20 v45 v50 v55 v40 v65 v60 9 - 4.
Page 53
2 1 17 to logic unit “j2021” j2 18 b–5v gnd gnd bck gnd bp2stb bmst1 bpps gnd gnd b+33v bdstb bdat gnd bmst2 bp1stb gnd bmst3 2 1 17 to logic unit “j2022” j3 18 b+8v b+5v gnd gnd bfdet bafo gnd gnd gnd gnd b+5v boe bifout gnd bnois gnd bsmad bwfdt to main-a unit “j5” to antenna connector (chassis: j...
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• main-b unit (bottom view; pcr2500 only) h130 h125 h120 h115 h110 h105 h100 h95 h90 h85 h80 h75 h70 h65 h60 h55 h50 h45 h40 h35 h30 h25 h20 h15 h10 h5 h0 v5 v10 v15 v0 v25 v30 v35 v20 v45 v50 v55 v40 9 - 6.
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V5 v10 v15 v0 v25 v30 v35 v20 v40 h5 h10 h15 h20 h25 h0 15 16 30 to logic unit “j2017” j1 1 rxd txd rts gnd d if md cpu res cts temp sck si so cirq ccs flash rxd afout flash txd rmut busy rssi mic base out ptto ptti +3.3v afon mmut vcc +5v gnd • ut-122 (optinal product: digtal unit for [ic-pcr2500: ...
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H25 h20 h15 h10 h5 h0 v5 v10 v15 v0 v25 v30 v35 v20 v40 • ut-122 (optinal product: digtal unit for [ic-pcr2500: usa-3]) (bottom view) 9 - 8.
Page 57: Logic Unit
10 - 1 section 10 block diagram explanatory notes +b line rx line (pcr1500/2500) rx line (pcr2500 only) rx common line pcr 2500 only j3 s1 cpu5v reg l5v reg reset pwr ctrl pwr ctrl b+5v reg a+5v reg b+8v reg a+8v reg –5v dc-dc fil ripple af+9v reg pwr ctrl j5 1 1 2 2 3 3 4 4 5 5 6 6 j2 to the pc to ...
Page 58: Main-A Unit
10 - 2 j1 att lpf hpf buff hpf rf amp hpf buff buff vco fil loop pll ic dvco5v reg bpf bpf bpf bpf rf amp rf amp rf amp rf amp bpf bpf bpf bpf bpf ctrl lpf lpf hpf lpf hpf hpf rf amp bpf att q60: 2sc4617 bpf bpf 2ndif amp nb gate att bpf lpf hpf buff 1/2 att att buff vco vco fil loop buff pll ic lpf...
Page 59: Main-B Unit
J1 att hpf bpf bpf bpf bpf rf amp rf amp rf amp rf amp bpf bpf bpf bpf bpf ctrl bpf 1st if amp att bpf bpf 2nd if amp nb gate att bpf lpf hpf buff 1/2 att att buff vco vco fil loop buff pll ic +5 reg buff buff att lpf buff buff vco fil loop fil ripple pll ic d/a gate ctrl agc amp bpf ceramic bpf cer...
Page 60: Logic Unit
11 - 1 section 11 voltage diagram pcr2500 only pcr2500 only pcr2500 only pcr2500 only pcr2500 only pcr2500 only explanatory notes +b line rx line (pcr1500/2500) rx line (pcr2500 only) rx common line pcr 2500 only explanatory notes +b line rx line (pcr1500/2500) rx line (pcr2500 only) rx common line ...
Page 61: Logic Unit
Pcr2500 only pcr2500 only pcr2500 only pcr2500 only pcr2500 only pcr2500 only explanatory notes +b line rx line (pcr1500/2500) rx line (pcr2500 only) rx common line pcr 2500 only explanatory notes +b line rx line (pcr1500/2500) rx line (pcr2500 only) rx common line pcr 2500 only pcr2500 only ba6161f...
Page 62: Main-A Unit
A b c d e f a b c d e f g g h h i i j j k k l l m m 0.1 c591 ma2s077 d92 0.001 c674 0.0047 c199 0 r611 m62363fp ic8 1 vin1 2 vout1 3 vout2 4 vin2 5 vdd 6 ld 7 clk 8 di 9 vin3 10 vout3 11 vout4 12 vin4 13 vin5 14 vout5 15 vout6 16 vin6 17 do 18 vdaref 19 reset 20 gnd 21 vin7 22 vout7 23 vout8 24 vin8...
Page 63: Main-A Unit
A b c d e f a b c d e f g g h h i i j j k k l l m m 0.1 c591 ma2s077 d92 0.001 c674 0.0047 c199 0 r611 m62363fp ic8 1 vin1 2 vout1 3 vout2 4 vin2 5 vdd 6 ld 7 clk 8 di 9 vin3 10 vout3 11 vout4 12 vin4 13 vin5 14 vout5 15 vout6 16 vin6 17 do 18 vdaref 19 reset 20 gnd 21 vin7 22 vout7 23 vout8 24 vin8...
Page 64: Main-B Unit
A b c d e a b c d e 0.1 c591 0.01 c674 0.001 c679 m62363fp ic8 1 vin1 2 vout1 3 vout2 4 vin2 5 vdd 6 ld 7 clk 8 di 9 vin3 10 vout3 11 vout4 12 vin4 13 vin5 14 vout5 15 vout6 16 vin6 17 do 18 vdaref 19 reset 20 gnd 21 vin7 22 vout7 23 vout8 24 vin8 0.001 c643 r163 2.7k 0.001 c242 2sc5193 q28 470p c54...
Page 65: Main-B Unit
A b c d e a b c d e 0.1 c591 0.01 c674 0.001 c679 m62363fp ic8 1 vin1 2 vout1 3 vout2 4 vin2 5 vdd 6 ld 7 clk 8 di 9 vin3 10 vout3 11 vout4 12 vin4 13 vin5 14 vout5 15 vout6 16 vin6 17 do 18 vdaref 19 reset 20 gnd 21 vin7 22 vout7 23 vout8 24 vin8 0.001 c643 r163 2.7k 0.001 c242 2sc5193 q28 470p c54...
Page 66: Ut-122
1 vin vss 3 ce 4 nc 5 vout c1 4.7 c5 0.1 c14 10 ic1 xc6204b332m 2 c11 0.001 3.3v ic3 xc6204b332m vin vss ce 4 nc 5 vout c3 4.7 c16 10 c7 0.1 c13 0.001 c2 4.7 c15 10 c6 0.1 c12 0.001 l7 nlfv25t-330k-pf ic2 xc9215a15cmr 1 vin 2 vss 3 ce/mode 4 vout 5 lx 1 2 3 r1 jpw 1.5v 3.3v c10 10 c21 10 r17 1.8k c8...
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&.O3ec#heng4eh2oad4aipei4aiwan2/# 0hone &ax 52, httpwwwasiaicomcom %mailsales asiaicomcom :acdela0laine2ue"rindejoncdes-oulinais "04oulouse#edex&rance 0hone &ax 52, httpwwwicomfrancecom %mailicom icomfrancecom 5nit3ea3t(erne"ay+ent#4,$5+ 0hone &ax 52, httpwwwicomukcouk %mailinfo icomukcouk #tra2ubi3...
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