Figure 10-27. Receiver Audio Filter And Sub-Tone (Mdc1200 And Qcii) Schematic Diagram - Motorola P100 Series Detailed Service Manual

Circuit Board/Schematic Diagram and Parts List (VHF: 136–174 MHz)
TX_AF3(DTMF)
+3.3V
R131
10R
C199
C190 R104
C191 470P
47K
10uF/16V
220pF
C100
1uF(1608)
R1001
C112
R1003
10K
10uF/16V
10K
RX_AF1
C113
C602
560pF
0.22uF(K)
SW/VOL1
RY8418
1
2
1
3
2
3
4
5
4
5 6
6
7
AUDIO_IN 7 8
8 9
9 10
C620
10 11
470P 11 12
12
All manuals and user guides at all-guides.com
+3.3V
R1200
NA
R181
R105 R106 R150
150R
47K 47K 10K(1%)
C153
1uF
C154
R151
1uF
12K(1%)
C114
220pF U1102
KRX201E
1 6
1E 1C R1112
R1002
2 2B 5 10R
9.1K C1100 QC2-EN 1B
R146 0.1u(K) 3 4
2E
2C
0R
FL102
3.5795MHz
U1100-C
R1100 R1108
C1102 R1102
NA 4.7M
22nF 270K
C1101
U1100-A R1106
R145
0.1u(K)
2
1M 10K
C115 1
6
C116 3
27pF
C1103
R1101
27pF 5
22nF
2K
R1103 R1107
U1100-B
330K 470K
C1104
1/2VCC 0.22uF(K)
R1104
R1105
27K
47K
MDC_EN
1/2VCC
8
R1201
U1200-C C1205
R1202
R1203 15K
0.1uF
47K
330K C1202 4
R1209
1U(K)
4.7M
U1200-B
U1200-A
R1207
R1204
R1205 R1206 2 R1210
10K
C1206 1.2K 1 6
3.9K 1.2K 10K
1U(K) 3 7
5
R1208
C1201
C1203 470K
47nF
2.2nF C1204
C1200
0.22uF(K)
0R
U106
TC7S66FU
1 2
4
Q101
KRC413
C156
+5V 0.22uF(K)
C126 R127 33K
C125 33nF
C127
8
47nF 47nF
C1105
0.1uF 2
4 R1111
3
47K
R126
NJM324
15K
MDC/QC_IN C110 U105-A
22nF
R1109 Q103 R122
R1110
10K KRC413 330K
47R
7
Q1100
KRC404

Figure 10-27. Receiver Audio Filter and Sub-tone (MDC1200 and QCII) Schematic Diagram

U1201
KRX201E
6
1
1E 1C
2 5
2B
1B
3 4
2E
2C
R1213
10R
+5V
R1211
47K
MDC/QC_IN
R1212
47R
Q1200
KRC404
RX_TONE_CON2
+5V
Q102
KRC413
C157
0.22uF(K) 4
U105-E
NJM324
11
C129
47nF
R129 150K
C130
C128
C158
47nF 33nF
6 0.22uF(K)
1
7
5
R191
R128
15K NJM324 R192
3.9K
U105-B 15K
C109
R121
R149
22nF
330K
100K
1/2VCC
Q113
Q104
RX_TONE_EN
KRC404
KRC413
RX_TONE_CON1
10-35
R134
4.7M
R132 10K
9
8
10
TONE_INT
NJM324
R133 470K
U105-C
C134
0.22uF(K)