Figure 7-25. Transmitter Audio Filter And Sub-Tone Schematic Diagram - Motorola P100 Series Detailed Service Manual

7-36
C543
8.2nF
C522
8.2nF
R508
3.6K
6 R515
TO_VCTCXO & VCO R514
2
7
15K 20K
5 1
3
NJM324
U501-B NJM324
R509
C517 C523 U501-A
C525
2.2K
470pF
15nF
3.3nF
R529 47K
+3.3V
R530 47K
R531 47K
C573
47pF
R540 47K

Figure 7-25. Transmitter Audio Filter and Sub-tone Schematic Diagram

+3.3V
J601
0980683Z01
R194 1
10K 3
2
C140
4
2 47nF
5
6
1
7
MIC1 C142
C141
0B27P44(2.8mm)
470pF NA
L604 2.2uH(1608)
C624
47pF
C625
47pF(1608)
MOD_CON_U /D
C544
MOD_CON_CS
NA
R519
U508
+3.3V 4.7M
8 1
U/D VDD
C524
C583 7 2
R518
47nF NC VSS
47pF 9
4.7K
6 3 8
B A
10
4
5
R516 C527 CS/ W
R517 R538 NJM324
18nF
2.7K 5.6K U502-C
6.8K MCP4011(503)
C521
330K
C542 C547
C548
2.2nF
10nF
NA
R536
330K
1 / 2_VCC
R541
C536
330K
15nF
R526
R527
2 R528
47K
1
82K 82K
3
NJM324
U502-A
C537
2.2nF
PTT1
FUN_KEY1
FUN_KEY2
C570 PTT2
C574
47pF 47pF
Q505
R537
KRA305
1K
+3.3V
Q504
KRC404
TX_AF2
R137
CR502
4.7M
NA
C135 47pF
R135 C139
10K
0.1uF(K)
13
1 / 2VCC 12
R136 NJM324
100K U105-D
R111
C136
C1032
NA
0.1uF
47pF
R120
47K
Q114
KRC404
C518
C520
5.6nF
6.8nF
PROGRAM_DATA
13
R511 R510
C546
R513 14
R512 9 8.2K
15K
0.1uF(K) 10K 8
20K 12
10
NJM324
NJM324
R539 R107
U501-D
330K U501-C 3.9K
C521
C549 C550 C519
1 / 2VCC
1.2nF
560pF 560pF 1.2nF
C576
47pF(1608)
+3.3V C1019
47pF
R104 R105 R106
47K 47K
47K
C1021
C191
C1038
47pF
220pF
47pF
C100
1uF(1608)
C528
R520
18nF
1M
C577
47pF
C551
10uF / 10V(A) C578
47pF
C1024
47pF
+5V
4
NJM324
C529
C530
U501-E
0.1uF
10nF
U502-E
11
NJM324
DCS_SEL
VOX
CR117
14
KDS160E
C137
0.1uF(K)
R138
CR116 220K
+3.3V
KDS160E
VOX_EN
Circuit Board/Schematic Diagram and Parts List (UHF2 R&TTE: 435–470 MHz)
R103
150K
C103
C111 C101
R101 R102
1uF(K) 33pF
1uF(K)
10K 47K
R117
R162 C102
8.2K
2.2nF
820R
C104
C1023 C1022 R110
150pF
47pF 47pF 270K
U101_PIN29(CSN)
U101_PIN30(CLK)
C105
U101_PIN31(SDATA)
15nF
+3.3V
R181
R150
0R
10K(1%)
C1039
47pF
C153
C1020
C1037
1uF(K)
47pF 47pF
R151
C154
12K(1%)
1uF(K)
+3.3V
RX_AF2
C119 R141 1 20
IN+ VDD
10nF
100K
2 19
IN-
ST/GT
R140
3 18
GS EST
C1026
C1025 68K 4 17
STD
C1027 VREF
47pF C1028
47pF
47pF 5 16
47pF INH NC
6 15
R146 PWDN Q4
C120
0R 7 14
15pF NC Q3
FL102 8 13
OSC1 Q2
3.5795MHz
9 12
C117 OSC2 Q1
1.2nF 10 11
VSS
TOE
DTMF_DEC_EN
U103
R145
MT88L70
1M
C115
C116 R143
27pF
C118
27pF 100K
10uF / 16V
TONE_INPUT
R144
100K
U106
TC7S66FU
1 2
4
C1031
47pF
Q102
Q101
KRC413
KRC413 C156
0.22uF
C157
0.22uF
C126
C129
33nF
R127 47nF
C125 C127
33K
C128
47nF 47nF
47nF
2
1 C130
3
33nF
R126
NJM324
15K C110
U105-A R128
22nF
C109
3.9K
C1029 C1030
22nF
R122
Q103
47pF 47pF
330K
KRC413
Q104
KRC413
C106
R118
R116
47nF
47K 1.2K
U101_PIN26(DTMF_IN)
C107
0.1uF(K)
C121
33nF
R142 330K
U101_PIN72
U101_PIN63
U101_PIN64
U101_PIN65
U101_PIN66
RX_TONE_CON2
+5V
4
U105-E
11 NJM324 R134
R129
3.9M
150K
R132 1K
C158
9
0.22uF
6 8
10
7
5
R133 680K NJM324
NJM324
U105-C
U105-B C134
1 / 2 VCC
R121 R149 0.22uF(K)
330K
470K
C1033
47pF
Q113
KRC404
RX_TONE_CON1