Motorola GP Series Detailed Service Manual page 167

UHF PCB 8480587Z01 (GP1280) Schematics
IF_RX_AUD_RTN_1_VOICE
RX_AUD_RTN
IF_VS_GAINSEL_1_VOICE
VS_GAINSEL
PRIME_ID
SH700
SHIELD
1
Vddd
C707 C706
0.1uF NU
14
R708
560K
VDD
4 3
C719 VSS
R701
0.1uF
CNTL
18K
4.375mV
3.11V R702
5 7
18K
U710-2
MC74HC4066
IF_PRIME_ID_1_VOICE
R703
1K
14
U710-3
MC74HC4066
power
VDD
8 9
VSS
CNTL
6 7
C713
0.1uF
IF_FLAT_RX_SND_1_VOICE
FLAT_RX_SND
U710-1
MC74HC4066
SH701
SHIELD
1
14
C715
0.1uF
IF_EXT_MIC_1_VOICE
VDD
11
EXT_MIC
VSS
CNTL
7
12
U710-4
MC74HC4066
Vddd
3 4
CR700
2
6
IF_CLK_1_VOICE
XCLK
8
CLK
SCLK
C704
0.1uF 24
ANA_NEG AUDOUT
25
ANA_POS
IF_VS_CS_1_VOICE
9
VS_CS SS
10
IF_DATA_1_VOICE MOSI
11
DATA U700
MISO
5
ISD33000
IF_MISO_1_VOICE INT
2
MISO
RAC
22
IF_VS_INT_1_VOICE AMCAP
VS_INT
IF_VS_RAC_1_VOICE
VS_RAC
R704 R705
39K 39K
C705
0.1uF
IF_Vddd_1_VOICE
C708 C709 C710
0.1uF 1000pF 33uF
C714
R717 R716
0.1uF
1.8K 10K
SWB+
3.30V
14
3.15V
8 2
VDD
1 2 1
3
VSS
4
CNTL
U720-1 R710
470K
LM2904
13 7
3.30V
C717
0.1uF
U720-2
LM2904
8 6
10 7
5
4
3.30V
IF_VS_AUDSEL_1_VOICE
VS_AUDSEL
5
3.29V
1
C703
100pF
C701 C702
1uF 0.1uF
20
3
NC1
4
NC2
13
NC3
14
NC4
15
NC5
16
NC6
19
NC7
21
NC8
23
NC9
27
NC10
28
NC11
Vddd
Vddd
R709
1MEG
R706
C711
56K
.01uF
R707
5.1K
C718
1000pF
UHF (403-470 MHz) GP1280 - Voice Storage Schematic
3-23