Motorola P100 Series Detailed Service Manual

Circuit Board/Schematic Diagram and Parts List (VHF: 136–174 MHz) 10-9
Figure 10-11. Receiver Audio Filter and Sub-tone Schematic Diagram
C191
220pF
C602
0.22uF(K)
C199
470P
R131
10R
R146
0R
R145
1M
FL102
3.5795MHz
R104
47K
R181
150R
R150
10K(1%)
R151
12K(1%)
+3.3V
C154
1uF
C153
1uF
U102
AK2347
TEST CSN
EXTINO
EXTIN
TXIN
TXINO
AGND
AGNDIN
1 2 3 4 5 6 7 8 9
10 11 12
24 23 22 21 20 19 18 17 16 15 14 13
SCLK
SDATA
VSS
MOD
LIMLV
XIN
DINO XOUT RXOUT
VDD FILO
TSAOUT RXINO RSAOUT
RXIN
DIN
R105
47K
R106
47K
R1003
10K
RX_AF1
SDATA
DCS_SEL
U106
TC7S66FU
SCLK
CSN
SW/VOL1
RY8418
R1001
10K
R1002
9.1K
C113
560pF
C116
27pF
C110
22nF
C125
47nF
C126
33nF
R126
15K
R122
330K
R191
15K
R128
3.9K
Q
103
KRC413
C127
47nF
R127 33K
C129
47nF
C130
33nF
C157
0.22uF(K)
C134
0.22uF(K)
NJM324
U105-C
TONE_INT
RX_TONE_EN
C158
0.22uF(K)
Q102
KRC413
+5V
Q104
KRC413
Q113
KRC404
RX_TONE_CON1
RX_TONE_CON2
1/2VCC
R149
1
00K
R129 150K
C109
22nF
R121
330K
NJM324
U105-B
NJM324
U105-E
11
4
9
10
8
6
5
7
R192
15K
R132 10K
R134 4.7M
R133 470K
C128
47nF
C156
0.22uF(K)
Q101
KRC413
2
4
1
2
3
1
NJM324
U105-A
+
-
+
-
+
-
+
-
C115
27pF
C114
220pF
C100
1uF(1608)
C112
10uF/16V
C620
470P
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
A
UDIO_IN
J105 52745-1297
J104
XF2M-1215-1A
B to B flex. PCB
C190
10uF/16V
+
+
+3.3V
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Motorola P100 Series Specifications

General

Brand	Motorola
Model	P100 Series
Category	Portable Radio
Language	English