3-74
PCB and Schematic Diagrams - Radios without Keypad and Display
ZMY0130781-O
FLAT_RX_SND
(3.3V)
Vdda
DEMOD
VOX
DACRx
0.1uF
C479
R445
24K
R449
24K
30K
R425
0.1uF
C430
0.1uF
C411
.022uF
C451
C414
0.1uF
C415
0.1uF
C452
1uF
11
7
9
10
1
8
3
4
2
6
5
12
N.U.
N.U.
VDDRC
45
TXSND
44
URXOUT
39
MICEXT
48
MICINT
46
MOD
40
GCB4
37
GCB5
38
GNDRC
47
AUXRX
43
AUXTX
42
AUDIO
41
VDDDAC
VOX
SQIN
UIO
VDDA
PLCAP
GNDA
DACU
DISC
DACG
DACR
AGCCAP
5185130C53
ASFIC CMP
VDDCP
VDDD
VDDSYN
SYN
NC
GNDD
GNDD0
F1200
CLK168
30C53
U404
TXRTN 36
GCB3 35
34
SQDET
17
LCAP
24
LSIO
18
GNDSYN
23
HSIO
19
DATA
22
GCB0
15
GCB1
14
GCB2
13
CHACT
16
CLK
21
CSX
20
32
33
27
28
26
PLCAP2 25
31
30
29
N.U.
N.U.
MODIN
AUDIO
R481
0.1uF
24K
C481
R475
0
0.1uF
C410
Vdda
470pF
C408
C409
0.1uF
TP410
1
INT_MIC
EXT_MIC
16.8MHz
RED_LED
NU
C419
SYN
F1200
0.1uF
C416
(3.3V)
Vdda
0.1uF
C422
C421
0.1uF
C420
.01uF
0
47K
R400
R413
5V
DATA
CLK
CSX
CHACT
SQ_DET
LSIO
HSIO
EXT_SPKR_SEL
AUDIO_PA_ENA
GREEN_LED
EEPROM
8K x 8 EEPROM
10K
R429
8
VCC
4
VSS
3
WP
X25650-2.7
U407
1
CS
7
HOLD
6
SCK
5 SI
2
SO
0.1uF
C428
C427
470pF
EE_CS
MISO
Vddd
0.1uF
C401
1
TP406
SWB+
.01uF
C400
ERROR
5
FEEDBACK
7
GND
4
INPUT
8
OUTPUT
1
SENSE
2
SHUTDOWN
3
VTAP
6
U400
LP2951ACMM-3.3
24K
R476
RESET
0.1uF
C402
10uF
C403
(3.3V)
Vddd
4809579E18
BCX71KL
Q400
R406
75K
BATT_CODE
UNSWB+
1
2
3
UMG5
4802245J54
2
4 Q405
R416
10K
3
1
OFF_BATT_DATA_OUT
MMBD6100LT1
4813833C02
1
2
3
CR440
MMBT3906L
4813824A17
10K
R448
NU
NU
R455
R453
NU
R454
15K
R451
1
3
2
Q403
R452
100K
0
R456
C480
10uF
2.7K
R427
BATT_DATA_IN
Vddd
RB731U
4802245J62
A2
A3
K1
K2
K3
CR412
A1
100K
R447
M
Controller ASFIC/ON_OFF Schematic Diagram
8404051G07/G08/G09
Summary of Contents for GP-688
Page 5: ...Compact Professional Portable Radios Service Maintainability Issue July 2007 ...
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Page 38: ...iv THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 52: ...2 10 TROUBLESHOOTING CHARTS THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 64: ...3 12 CONTROLLER KEYPAD SCHEMATICS ...
Page 112: ...3 60 PCB and Schematic Drawings IP67 THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 116: ...3 64 PCB and Schematic Drawings IP67 THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 120: ...3 68 PCB and Schematic Drawings IP67 THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 147: ...Compact Professional Portable Radios VHF 136 174MHz Service Information Issue July 2007 ...
Page 150: ...iv ...
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Page 318: ...3 60 UHF1 PCB and Schematic Diagrams THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 335: ...Compact Professional Portable Radios UHF2 450 527MHz Service Information Issue July 2007 ...
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Page 348: ...1 10 THEORY OF OPERATION THIS PAGE INTENTIONALLY LEFT BLANK ...
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Page 360: ...3 4 UHF2 PCB SCHEMATICS PARTS LISTS THIS PAGE INTENTIONALLY LEFT BLANK ...
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Page 378: ...3 22 UHF2 PCB and Schematic Diagrams THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 388: ...3 32 UHF2 PCB and Schematic Diagrams EPP THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 402: ...3 46 UHF2 PCB and Schemtaic Diagrams THIS PAGE INTENTIONALLY LEFT BLANK ...