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

10-8
C543
1.2nF
C522
5.6nF
R508
R514 R515
TO_VCTCXO&VCO 1K - 6
7
24K 12K
5
+
NJM324
U501-B
R509 R597
C568 C517
2.2K 4.7K
C523
10nF 22nF
1nF
GND
R529 47K
+3.3V
R530 47K
R531 47K
R540 47K

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

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+3.3V
J601
0980683Z01
1
R194
3
6.8K
2
C140
47nF
4
2
5
6
1
7
MIC1
C142
L604
0B27P40(2.8mm)
470pF
2.2uH(1608) PROGRAM_DATA
CR601
KDZ5.1V
C141
NA
+5V
4
NJM324
+
C529 C530
U501-E
-
0.1uF 10nF
11 U502-E
C544 NJM324
NA
C524
33nF
R519
2M
R520 C528
560K 18nF
2 R517 R538 R518
- R516
1 9
12K 15K 8.2K 5.6K -
3
8
+
10
+
NJM324
U501-A NJM324
C542 C547
C525 C548
U502-C
10nF NA
330P NA
R536
330K
R521
330K
1/2VCC
1/2VCC
R526 R545
100R 4.7k
1
NJM324
U502-A
PTT1
+3.3V
FUN_KEY1
FUN_KEY2
C570 PTT2
47pF
R537
1K
Q505
KRA305
Q504
KRC404
TX_AF2
R137
4.7M
C135 47pF
C139
R135
10K
0.1uF(K)
13 - CR117
14
1/2VCC 12 +
KDS160E
C137
R136 NJM324
0.1uF(K)
100K
C136 105-D
CR116
0.1uF
R111 +3.3V KDS160E
NA
R120
47K
C138
Q114 VOX_EN
0.22U(K)(1608)
KRC404
C518
C520
5.6nF
4.7nF
C111
C101
1uF(K)
R511 R510 13 - 1uF(K)
C546
R512 14
R513 9 - 8.2K 15K
0.1uF
20K 8 12
+
10K
10
+
R162
NJM324
NJM324 820R
R107
U501-D
U501-C
R539
3.9K
C549 C521
C550 C519
330K
560pF 1.2nF
560pF 1.2nF
1/2VCC
MOD_CON_U/D
MOD_CON_CS
+3.3V
+3.3V
C199
U508 R104 R105 R106
+ 470pF
47K 47K 47K
8 1
U/D VDO
2 C191
7 C190
NC VSS
220pF
10uF / 16V
6 3
B A
R598 5 4
CS/ W
20K
MCP4011(503)
R599
NA
C100
1uF(1608)
C536
R541
10nF
330K
2
- R527 R528
100K 82K
3
+
+
C567
10uF / 10V(A)
C537
2.2nF
U101_PIN31(SDATA)
U101_PIN30(CLK)
U101_PIN29(CSN)
Circuit Board/Schematic Diagram and Parts List (VHF: 136–174 MHz)
VOX
R138
220K
R103
150K
C103
R102
R101
47pF
47K
10K
C102
2.2nF
R117
R118 C106
8.2K 47K 47nF
C104 R110
150pF 270K
C105
15nF
+3.3V
R181 R150
150R
10K(1%)
C153
1uF(K)
R151
12K(1%)
C154
+3.3V
1uF(K)
C119 R141 1 20
IN+ VDD
10nF 100K
2 19
ST/GT
IN-
R140
3 18
GS EST
68K
4 17
VREF STD
5 16
R146 INH NC
0R 6
U101_PIN79 15
PWDN Q4
C120
FL102 7
15pF NC Q3
3.5795MHz
8
13
OSC1 Q2
9 12
OSC2 Q1
10 11
VSS TOE
R145
1M
U103
C115 MT88L70
C116
27pF
RX_AF2
27pF
R180
C117 1.2nF
100K
R179
R143 91K
51K
R182
C118
200K
10uF / 16V
R144 100K
R183
+
NA
R116
1.2K
U101-PIN26(DTMF_IN)
C107
0.1uF(K)
C121
33nF
R142
330K
U101_PIN72
U101_PIN63
U101_PIN64
U101_PIN65
U101_PIN66
TONE 4
TONE 3
TONE 2
TONE 1