Figure 7-10. Transmitter Audio Filter And Sub-Tone Schematic Diagram - Motorola P100 Series Detailed Service Manual

7-12
2
1
MIC1
0B27P40(2.8mm)
C543
2.2nF
C522
15nF
R508
TO_VCTCXO & VCO 6
3.6K R514 R515
7
15K 20K
5
NJM324
U501-B
R509
C517 C523
2.2K
15nF 470pF
R529 47K
+3.3V
R530 47K
R531 47K
C573
C570
47pF
47pF
R540
47K

Figure 7-10. Transmitter Audio Filter and Sub-tone Schematic Diagram

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+3.3V J601
0980683Z01
1
R194 3
2
10K C140
47nF
4
5
6
7
C142
470pF
PROGRAM_DATA
L604
C546 R513
2.2uH(1608)
0.1uF(K) 10K
C141
NA
R539
C624
330K
C625
47pF
47pF(1608)
1 / 2VCC
C576
47pF(1608)
MOD_CON_U /D
MOD_CON_CS
C544
+3.3V
C583
NA
47pF
U508
8 1
U/D VDD
C524
7 2
47nF
NC VSS
6 3
B A
5 4
C527 CS/ W
- 2 R516
R517 R538
1
2.2K 18nF
15K 10K MCP4011(503)
3
+
NJM324
U501-A
C542 C547
C525 C548
10nF 2.2nF
2.2nF
NA
R536
330K
1 / 2_VCC
C536
15nF
R526
2
47K - R527
1
82K
3
+
NJM324
U502-A
C537
2.2nF
PTT1
+3.3V
FUN_KEY1
FUN_KEY2
C574 PTT2
47pF
R537
1K
Q505
KRA305
Q504
KRC404
TX_AF2
CR502
NA
R137
4.7M
C135
47pF
C139
R135
10K
0.1uF(K)
13 -
14
12
1 / 2VCC + C137
NJM324
0.1uF(K)
R136 U105-D
100K
R111 +3.3V
C136
C1032 NA
0.1uF
47pF
R120
47K
Q114
KRC404 VOX_EN
C518
C520 5.6nF
6.8nF
C111 C101
R101
13 1uF(K) 1uF(K)
R511 R510 - 10K
R512 14
9 - 8.2K 15K
20K 8 12
+
10
+
NJM324
R162
U501-D R107
NJM324 820R
3.9K
U501-C
C550 C519
560pF 1.2nF
C549 C521
560pF
1.2nF
C577
R519 47pF
C1019
4.7M
47pF(1608)
C528
R520
18nF
1M
R518
9
4.7K -
8
10
+
NJM324
+3.3V
U502-C
R104 R105 R106
R521 47K 47K 47K
330K
C191
C1038 C3
220pF 47pF 47pF
C100
R541 1uF(1608)
R146
330K
0R
FL102
3.5795MHz
R528
82K
+ R145
C551
1M
10uF / 10V(A)
C1024 C115
C579 C116
47pF 27pF
27pF
47pF
U101_PIN31(SDATA)
U101_PIN30(CLK)
U101_PIN29(CSN)
C1020 C1037 C1021
47pF 47pF 47pF
U106
TC7S66FU
1 2
4
C1025
47pF C1031
47pF
Q101
KRC413
C156
0.22uF
C126
33nF
C125 C127
47nF 47nF
C110 C1030
R126
22nF 47pF
15K
U101_PIN79(DTMF_DEC_EN)
C1029
Q103
47pF
KRC413
VOX
CR117
KDS160E
R138
CR116
220K
KDS160E
Circuit Board/Schematic Diagram and Parts List (UHF2: 435–480 MHz)
R103
150K
C103
R102
33pF
47K
C102
2.2nF
R117 R118 C106 R116
47nF
8.2K 47K 1.2K
C1023 C1022
47pF 47pF
R110
C104
270K
150pF
C107
0.1uF(K)
C105
15nF
+3.3V
R150
10K(1%)
C1039
47pF
C153 C154
1uF(K) 1uF(K)
R151
12K(1%)
+3.3V
C119
R141 1 20
VDD
10nF IN+
100K
2 19
IN- ST/GT
3 18 R142
GS EST
330K
R140 4 17
VREF STD
C1028
68K
C1027
47pF 5 16
47pF INH NC
6
15
PWDN Q4
U101_PIN79
7 14
C120
NC Q3
15pF
8 13
OSC1 Q2
9 12
OSC2 Q1
10 11
VSS TOE
U103
MT88L70
RX_AF2
C117
R180
TONE4
1.2nF
100K
C1026
47pF
R179
TONE3
51K
R143 R182
C118 TONE2
100K
200K
10uF / 16V
R183
TONE1
+
NA
R144
100K
RX_TONE_CON2
+5V
Q102
C157 4
KRC413
0.22uF +
U105-E -
11 NJM324
C129
R127 R129
47nF
150K
33K
R132
C130
C128
C158 1K
2 - 47nF 33nF
0.22uF
1
6 -
7
3 +
5
+
NJM324 R133
R128
U105-A NJM324 680K
3.9K
U105-B
R122 1 / 2 VCC
C109
R121
330K R149
22nF
330K
470K
C1033
47pF
Q113
Q104
KRC404
KRC413
RX_TONE_CON1
U101_PIN26(DTMF_IN)
C121
33nF
U101_PIN72
U101_PIN63
U101_PIN64
U101_PIN65
U101_PIN66
R134
3.9M
9
-
8
U101_PIN3_16_23
10
+
NJM324
U105-C
C134
0.22uF(K)
U101_PIN100(RX_TONE_EN)