Figure 13-23. Transmitter Audio Filter And Sub-Tone (Mdc1200 And Qcii) Schematic Diagram - Motorola P100 Series Detailed Service Manual

Circuit Board/Schematic Diagram and Parts List (UHF1: 403–447 MHz)
+3.3V
R194
10K
C140
47nF
2
1
MIC1
C1018
C142
0B27P442.8mm)
220pF 470pF
C543
2.2nF
C522
15nF
R508
TO_VCTCXO&VCO 6 R514 R515
3.6K 2
7
15K 20K
5
1
3
NJM324 NJM324
U501-B
R509 U501-A
C517
C523
C525 C548
2.2K
15nF 470pF
2.2nF NA
R529 47K
+3.3V
R530 47K
R531 47K
C573
47pF
R540 47K
J601
0980683Z01
1
3
2
4
5
6
C520
7
6.8nF
C141 C635
NA NA
PROGRAM_DATA
L604
C546
R512 9
2.2uH(1608) R513
0.1uF(K)
20K
10K
10
C624
R539
47pF
C633 C634 C625 330K
C549 C521
1/2VCC
NA 47pF(1608)
NA
560pF 1.2nF
C576
47pF(1608)
MOD_CON_U/D
C544
MOD_CON_CS
NA
R519
U508
+3.3V 4.7M
8 1
U/D VDO
R520
C524
C583 7 2
47nF 1M
NC VSS R518
47pF 9
4.7K 8
6 3
A
B
10
5
R538 C527 CS/ W 4
R517
R516 NJM324
18nF
15K 10K
2.2K MCP4011(503) U502-C
R521
330K
C542
10nF
C546
2.2nF
R536
330K
1/2_VCC
R541
C536
330K
15nF
R526
R527 R528
2
47K
1 82K 82K
3
NJM324
U502-A
C537
2.2nF
PTT1
FUN_KEY1
FUN_KEY2
PTT2
C570 C574
47pF 47pF
Q505
R537
KRA305
1K
+3.3V
Q504
KRC404
TX_AF2
R137
CR502
4.7M
NA
C135 47pF
C139
R135
10K
0.1uF(K)
13
14
12
1/2VCC
NJM324
R136
U105-D
100K
+3.3V
C136
R111
C1032
0.1uF
NA
47pF
R120
47K
Q114
VOX_EN
KRC404
C518
R103
5.6nF
150K
C101
C111 C103
R101 R102
1uF(K)
R511 13 1uF(K) 33pF
R510
10K 47K
8.2K 14
15K
8 12
NJM324 R162
C102
820R
NJM324 U501-D R107
2.2nF
U501-C 3.9K
C550 C519
560pF 1.2nF
+3.3V C1019
47pF
R106
R104 R105
47K
47K 47K
C1021 C1037 C1020
C1038
C191 47pF 47pF
47pF
47pF
220pF
C100
1uF(1608)
C528
18nF
C577
47pF
C551 C578
10uF / 10V(A) 47pF
C1024
47pF
U106
TC7S66FU
1 2
4
+5V
4
NJM324
C529
C530
U501-E
0.1uF 10nF
U502-E
11
NJM324
DCS_SEL
C125
47pF
C1029
47pF
VOX
CR117
KDS160E
C137
0.1uF(K) R138
CR116 220K
R138
KDS160E
0.22uF(1608)

Figure 13-23. Transmitter Audio Filter and Sub-tone (MDC1200 and QCII) Schematic Diagram

C106 R116
R117 R118
47nF
8.2K 47K 1.2K
C104
C1023
C1022 R110
150pF
47pF 47pF 270K
C107
0.1uF(K)
C105
15nF
+3.3V
R150
10K(1%)
C1039
47pF
R151 R1201
12K(1%) 15K
1/2VCC
U101_PIN29(CSN)
U101_PIN30(CLK) R1202
R1203 27K
C1202
U101_PIN31(SDATA)
330K 0.22uF(K)
R181
10R
C153
U1200-A
1uF(K) R1204
2
R1205 R1206
1.5K
3.9K
3.9K
3
C154 C1026
1U(K)
1uF(K)
C1201 C1203
18nF 2.2nF
R1200
RX_AF2 1.2K C1200
0.1uF(K)
C1026
C1025
U1102 KRX201E
47pF 47pF C1027 C1028 +5V
47pF 1 6
47pF
1E 1C R1112
2 5 10R
2B
R146 QC2_EN
1B
C1100
0R 3 4
0.1uF(K) 2C
FL102
3.5795MHz
C1101 C1102
R1102 R1108
0.1uF(K)
C117 1.2nF 22nF 270K
4.7M
R1106
R1100
U1100-A
2 10K R1109
R145
NA 1 6
R143 100K 10K
1M
3 7
C115 C1103
5
27pF C116 22nF
R1101 R1103
27pF
U110-B
330K R1107
2K
470K
R1104 R1105 1/2VCC
C1104
27K 47K
0.22uF(K)
C118
10uF / 16V
R144 100K
TONE_INPUT
RX_TONE_CON2
C1031
47pF
C1041
47pF
Q102
Q101
C156 KRC413
KRC413
0.22uF
C157
0.22uF
C126
C129
33nF
R127 33K
47nF
R129 150K
C127
47pF C128 C130
2 47nF 33nF
1 6
3 7
R126 R128
5
NJM324
C110
15K 3.9K
NJM324
U105-A C109
22nF R186
R122 22nF U105-B
C1030 15K
R121
Q103
330K
47pF
330K
KRC413
Q113
Q104
KRC404
KRC413
RX_TONE_CON1
13-35
U101-PIN26(DTMF_IN)
+5V
U1201
KRX201E
R1213
1 6
1C
1E 10R
MDC_EN 2 2B 5
1B
4
3
2C
U1200-C
8
C1205
R1211
4 0.1uF
R1209 47K
4.7M
U101_PIN73(MDC/QC_IN)
R1207
R1210
10K R1212
U1200-B
1 6
10K 0R
7
5
Q1200
R1208
KRC404
47K
C1204
0.22uF(K)
+3.3V
C121
C119
33nF
R141 1 20
10nF
IN+ VDD
100K
2
19
IN- ST/GT
R142
3 18
GS
EST
330K
4 17
R140 U101_PIN72
VREF STD
68K
5 16
INH NC
DTMF_DEC_EN 6 15 U101_PIN63
C1105
PWDN Q4
0.1uF 7 U101_PIN64
NC
Q3
R1111
8 13 U101_PIN65
47K OSC1 Q2
12
9 U101_PIN66
OSC2 Q1
U101_PIN73(MDC/QC_IN) 10 11
VSS
TOE
U103
R1110
MT88L70
0R
Q1100
KRC404
C120
15pF
+5V
C1040
47pF
4
NJM324
U105-E
R134
11
3.9M
R132
C158 1K
9
0.22uF
8
10
R149 NJM324
R133
U105-C
470K 680K
R187
1/2VCC C134
15K
0.22uF(K)
C1033
47pF