Motorola GP Series Detailed Service Manual page 74

3-6
C358
5V
NU
C328
R372
NU
NU
U303-1
2 8
LM2904
DISC_OUT
1 NU
R371
IF_DISC_OUT 3
NU 4
C383
NU
Vdda
R377
NU
R378
C337
NU NU
Controller ASFIC / ON-OFF
R370
0
C359
NU
R374
NU
U303-2
6 8 LM2904
NU
7
R373
5
NU
4 R375
NU
C390
NU
R376
NU
Controller - Set 1 (PCB 8480450Z03 (UHF), 8485641Z02 (UHF2), 8480587Z01/Z03 (UHF), 8485677Z01 (UHF2 GP1280), 8485677/Z02
TP410
1
TP406
C405
100pF
800 MHz only
Vdda
C410
0.1uF
R475
0
C408
100pF
C407
0.1uF
URX_SND
R425
MECH_SWB+
30K
RX_AUD_RTN
R445
C479
24K
0.1uF
C411
Vdda
0.1uF
R449
24K
1
VDDA
2
DISC
3
GNDA
4
DACRx DACU
5
VS_GAINSEL DACR
U404
6
VS_AUDSEL DACG 09Z41
7
VOX VOX
8
PLCAP
9
SQIN
10
UIO
FLAT_RX_SND
11
VDDDAC
C430 12
AGCCAP
0.1uF
C414 C415 C452 C451
0.1uF 0.1uF 4.7uF .022uF
4V_3.3V
R405 R402
0 NU
SWB+
Vddd
Q400
3
1
C401
C400
0.1uF
R401 100pF
0
U400
LP2951ACMM-3.3
C402 C403
0.1uF 10uF
8 1
INPUT OUTPUT
R407
7 5
FEEDBACK ERROR
68K
3 2
INT_EXT_Vdd SHUTDOWN SENSE
6
VTAP
Used for Lowband Only
C406
0.1uF
R476
C409
24K
0.1uF
RESET
R479
C498
510
0.1uF
R451
R448
10K 15K
2
R455
CR440
1 R456 NU
R447
R452 0
3
100K C480 R453
100K Q403
10uF 2
NU
1
R454
NU
36
TXRTN
TX_AUD_RTN
35
GCB3 RED_LED
34
CLK168 16.8MHz C419
33
NU
VDDD
32
VDDCP
31
GNDD
30
GNDD0
29
F1200
F1200
28
SYN
SYN
27
VDDSYN C416
26
0.1uF
NC
25
PLCAP2
Vdda
C422
C420 C421
0.1uF
.01uF 0.1uF
R413
0
R400
47K
Vddd
5V
C427 C428
100pF 0.1uF
R429
10K
EE_CS
U407
X25128-2.7
8
6 VCC
SCK
1
4Kx8 BIT
CS
3 EEPROM 2
WP MISO
SO
7
HOLD
5
SI
4
Lazarus Uhf band 1
ASFIC
BATT_CODE
Vddd
2
UNSWB+
1
R406 R427
75K
2.7K
CR412
3 4
K1 A1 BATT_DATA_IN
2 5
K2 A2
1 6
K3 A3
4
Q405
1 2 3
R416
10K
OFF_BATT_DATA_OUT
3