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

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

U1201
KRX201E
6
1
1E 1C
2 5
2B
MDC_EN
1B
3 4
2E
2C
8
C1205 R1213
10R
0.1uF
4
+5V
R1211
47K
MDC/QC_IN
R1210 R1212
10K 47R
7 Q1200
KRC404
RX_TONE_CON2
+5V
Q102
KRC413
C156 C157
0.22uF(K)
0.22uF(K)
U105-E
C129
R127 33K
47nF
R129 150K
C128 C130
C158
47nF 33nF
2
6 0.22uF(K)
1
7
3
5
NJM324 R191
R128
U105-A 15K NJM324 R192
3.9K
U105-B 15K
C109
R121
R122
22nF
330K
330K
Q113
Q104
KRC404
KRC413
RX_TONE_CON1
10-35
4
NJM324 R134
11
4.7M
R132 10K
9
8
10
TONE_INT
NJM324
R133 470K
U105-C
C134
0.22uF(K)
R149
100K
1/2VCC
RX_TONE_EN