Motorola GP Series Detailed Service Manual page 75

Controller - Set 1 (PCB 8480450Z03 (UHF), 8485641Z02 (UHF2), 8480587Z01/Z03 (UHF), 8485677Z01 (UHF2 GP1280), 8485677/Z02 (UHF2), 8480641Z03/Z09/Z10 (800 MHz)
TP410
1
Vdda
R475
0
C407
0.1uF
URX_SND
R425
30K
C479
C411
0.1uF
0.1uF
RX_AUD_RTN
R445
DEMOD
24K
Vdda
R449
24K
1
VDDA
2
DISC
3
GNDA
4
DACRx DACU
5
VS_GAINSEL DACR
6
VS_AUDSEL
DACG
7
VOX
VOX
8
C430
PLCAP
9
0.1uF
SQIN
10
FLAT_RX_SND UIO
11
VDDDAC
12
AGCCAP
C414 C415 C452 C451
0.1uF .01uF 4.7uF .022uF
4V_3.3V
R405
0
SWB+
TP406
1
C401 C400
R401
0.1uF .01uF
0
U400
LP2951ACMM-3.3
8 1
INPUT OUTPUT
7 5
FEEDBACK ERROR
3 2
INT_EXT_Vdd SHUTDOWN SENSE
6
C408 VTAP
R407
100pF 68K
C409
0.1uF
RESET
C410
R476
0.1uF
24K
R448
270K
R447
1.5MEG
1
MECH_SWB+
C480 R446
10uF 220K
36
TXRTN TX_AUD_RTN
35
GCB3 RED_LED
34
C419
CLK168 16.8MHz
33
NU
VDDD
32
VDDCP
U404
31
GNDD
09Z41
30
GNDD0
29
F1200 F1200
28
SYN
SYN
27
C416
VDDSYN
26
0.1uF
NC
25
PLCAP2
Vdda
C422
0.1uF
C420 C421
.01uF 0.1uF
R413
0
R400
47K
5V
C427
100pF
R429
10K
EE_CS
6
1
3
7
5
R402
NU
Vddd
Q400
BATT_CODE
3 2
UNSWB+
1
R406
75K
C402
0.1uF
C403
CR412
10uF
2 3
Q405
4
4
1 5
1 2 3
OFF_BATT_DATA_OUT
R416
CR440
39K
2
3
3
1
Q403
2
Vddd
C428
0.1uF
8 VCC U407
X25320_2.7V
CLK
CS
2
WP SO MISO
HOLD
SI
4K x 8 BIT
VSS
4
EEPROM
3-7
Vddd
R427
2.7K
BATT_DATA_IN
Controller MicroProcessor