Motorola GP Series Detailed Service Manual page 79

Controller - Set 1 (PCB 8480450Z03 (UHF), 8485641Z02 (UHF2), 8480587Z01/Z03 (UHF), 8485677Z01 (UHF2 GP1280), 8485677/Z02 (UHF2), 8480641Z03/Z09/Z10 (800 MHz)
Vddd
14
R708
560K
IF_RX_AUD_RTN_1_VOICE
VDD
4
RX_AUD_RTN
C719 VSS
0.1uF
CNTL
IF_VS_GAINSEL_1_VOICE
5 7
VS_GAINSEL
IF_PRIME_ID_1_VOICE
PRIME_ID
R703
1K
14
SH700 SH701
power
SHIELD SHIELD
VDD
8
VSS
CNTL
1 1
6 7
IF_FLAT_RX_SND_1_VOICE
FLAT_RX_SND
IF_EXT_MIC_1_VOICE
EXT_MIC
IF_CLK_1_VOICE
CLK
IF_VS_CS_1_VOICE
VS_CS
IF_DATA_1_VOICE
DATA
C707 C706
0.1uF NU IF_MISO_1_VOICE
MISO
IF_VS_INT_1_VOICE
VS_INT
IF_VS_RAC_1_VOICE
VS_RAC
3
R701
18K
4.218mV
R702
18K R704
U710-2
39K
MC74HC4066
C708 C709
0.1uF 1000pF
U710-3
MC74HC4066
9
R717
1.8K
3.312V
14
C713
0.1uF 8 2
VDD
1 2 1
3
VSS
4
CNTL
U720-1
LM2904
7
13
7.710V
U710-1
MC74HC4066
14
C715
0.1uF
VDD
11 10
VSS
CNTL
7
12
U710-4
MC74HC4066
IF_VS_AUDSEL_1_VOICE
VS_AUDSEL
Vddd
3 4 5
CR700
3.299V
2 1
C703
100pF
C701 C702
1uF 0.1uF
6
XCLK
8
SCLK
C704
0.1uF 24 20
ANA_NEG AUDOUT
25
ANA_POS
9 3
SS NC1
10 4
MOSI NC2
11 13
U700
MISO NC3
5 14
ISD33000
INT NC4
2 15
RAC NC5
22 16
AMCAP NC6
19
NC7
21
NC8
23
NC9
27
NC10
28
NC11
R705
39K
C705
0.1uF
IF_Vddd_1_VOICE
Vddd
C710
33uF
C714
R716
0.1uF
10K
SWB+
Vddd
3.312V
R710
470K
C717
0.1uF
U720-2 R709
1MEG
LM2904
8 6
R706
C711
7
56K
.01uF
5
4
R707
5.1K
3.307V
C718
1000pF
Voice Storage Schematic Diagram (GP1280)
3-11