3-54
PCB and Schematic Drawings IP67
EEPROM
NU
ASFIC CMP
5185130C53
UMG5
RB731U
4802245J62
NU
Shigeru Hasegawa
ASFIC
(3.3V)
NU
Shigeru Hasegawa
8K x 8 EEPROM
5102463J64
NU
4809579E18
(3.3V)
(3.3V)
MMBD6100LT1
4813833C02
4802245J54
BCX71KL
MMBT3906L
4813824A17
470pF
0.1uF
C427
2.7K
C406
R427
C452
1uF
.01uF
C400
2
4
1
3
Q405
C408
100pF
R453
100K
C481
0.1uF
10K
24K
R476
R429
VDDD
33
VDDDAC
11
C
R
D
D
V
5
4
VDDSYN
27
VOX
7
T
E
D
Q
S
7
1
SQIN
9
SYN
28
TXRTN
36
D
N
S
X
T
4
4
UIO
10
VDDA
1
VDDCP
32
T
NI
CI
M
6
4
D
O
M
0
4
NC
26
PLCAP
8
PLCAP2
25
3
4
N
T
R
X
R
9
3
D
N
S
X
R
12
SQCAP
GNDD
31
30
GNDDO
C
R
D
N
G
7
4
N
Y
S
D
N
G
3
2
OI
S
H
9
1
P
A
C
L
4
2
OI
S
L
8
1
T
X
E
CI
M
8
4
F1200
29
0
B
C
G
5
1
1
B
C
G
4
1
2
B
C
G
3
1
GCB3
35
4
B
C
G
7
3
5
B
C
G
8
3
GNDA
3
K
L
C
1
2
CLK168
34
X
S
C
0
2
DACG
6
DACR
5
DACU
4
A
T
A
D
2
2
DISC
2
30C53
U404
OI
D
U
A
1
4
2
4
N
T
X
U
A
T
C
A
H
C
6
1
Q403
ERROR
5
FEEDBACK
7
D
N
G
4
INPUT
8
OUTPUT
1
SENSE
2
SHUTDOWN
3
VTAP
6
K2
K3
U400
LP2951ACMM-3.3
CR412
A1
A2
A3
K1
R413
0
0.1uF
C421
100K
R447
10uF
C480
R452
100K
47K
R400
1
2
3
CR440
R416
10K
C416
1
0.1uF
0.1uF
TP406
C411
10uF
C403
C410
0.1uF
C415
0.1uF
5
SI
2
SO
8
C
C
V
4
S
S
V
3
WP
X25128-2.7
U407
1
CS
7
HOLD
6
SCK
C409
0.1uF
C422
0.1uF
C402
C451
0.1uF
0.1uF
.022uF
C479
R451
15K
R475
0
100K
R455
R448
10K
C428
0.1uF
R456
0
100K
R454
75K
0.1uF
C430
R406
C419
100pF
FN1
,
30K
R425
1
100pF
C405
TP410
510
R479
C498
0.1uF
R481
24K
C414
0.1uF
3
1
2
Q400
0.1uF
C401
C420
.01uF
DEMOD
MISO
Vddd
Vddd
M
VS_AUDSEL
URX_SND
RX_AUD_RTN
Vdda
Vdda
RESET
X
S
C
T
C
A
H
C
T
E
D
_
Q
S
OI
S
L
OI
S
H
5V
Vdda
BATT_DATA_IN
BATT_CODE
Vddd
SYN
F1200
A
T
A
D
K
L
C
EE_CS
OFF_BATT_DATA_OUT
VOX
NI
D
O
M
Vdda
OI
D
U
A
N
T
R
_
X
T
_
T
A
L
F
16.8MHz
VS_GAINSEL
DACRx
L
E
S
_
R
K
P
S
_
T
X
E
A
N
E
_
A
P
_
OI
D
U
A
D
E
L
_
N
E
E
R
G
RED_LED
L
B
D
E
L
CI
M
_
T
X
E
TX_AUD_RTN
D
N
S
_
D
U
A
_
X
T
FLAT_RX_SND
SWB+
CI
M
_
T
NI
UNSWB+
Controller ASFIC/ON_OFF Schematic Diagram
8471678L01/8471679L01
Summary of Contents for GP-688
Page 5: ...Compact Professional Portable Radios Service Maintainability Issue July 2007 ...
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Page 24: ...2 6 MAINTENANCE THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 32: ...3 8 SERVICE AIDS THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 34: ...4 2 POWER UP SELF TEST THIS PAGE INTENTIONALLY LEFT BLANK ...
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 176: ...3 4 THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 192: ...3 20 VHF PCB Schematic Diagrams THIS PAGE INTENTIONALLY LEFT BLANK ...
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Page 284: ...3 26 UHF1 PCB and Scematics Diagrams THIS PAGE INTENTIONALLY LEFT BLANK ...
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Page 335: ...Compact Professional Portable Radios UHF2 450 527MHz Service Information Issue July 2007 ...
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Page 388: ...3 32 UHF2 PCB and Schematic Diagrams EPP THIS PAGE INTENTIONALLY LEFT BLANK ...
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