Figure 10-41. Mdc/Qcii R&Tte Transmitter Audio Filter And Sub-Tone Schematic Diagram - Motorola P100 Series Detailed Service Manual

Circuit Board/Schematic Diagram and Parts List VHF- MDC/QCII R&TTE (136–174 MHz)
MIC1
OB27P44(2.8mm)
C543
1.2nF
C522
5.6nF
R508
TO_VCTCXO&VCO 6 R514
1K R515
7
24K
12K
5
NJM324
U501-B
R597
R509
C517 C523
C568
2.2K 4.7K
22nF 1nF
10nF
R529 47K
+3.3V
R530 47K
R531 47K
PB501 PB502
PTT FUN1
EVQPUD02K EVQPUD02K
R540
47K
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+3.3V
J601
0980683Z01
R194 1
6.8K 2
3
C140
47nF
4
2 5
6
1
7
C142 C141 L604
PROGRAM_DATA
470pF NA 2.2uH(1608)
CR601
KDZ5.1V
1/2VCC
+5V
4
NJM324
U501-E
C529 C530
U502-E
11
0.1uF 10nF
C544
NA
R519
C524 2M
33nF
2 R518
R516 R517 R538
1
K 15K 8.2K 5.6K
NJM324
3
U502-C
NJM324
U501-A R521
C542 C547
C525 C548 330K
10nF NA
330P NA
R536
330K
1/2_VCC
R526
R544
100R 4.7K
1
NJM324
U502-A
PTT1
FUN_KEY1
FUN_KEY2
PTT2
C570
47pF
PB503
FUN2
EVQPUD02K
Q505
R537
KRA305
1K
+3.3V
Q504
KRC404
TX_AF2
R137
4.7M
C139 C135
R135
47pF
10K CR117
0.1uF(K) 13
KDS160E
14
12
1/2VCC
C137
R136 NJM324
0.1uF(K)
100K U105-D
C136 CR116
R111 0.1uF +3.3V KDS160E
NA
R120
47K
Q114
VOX_EN
KRC404
C518
5.6nF
C520
4.7nF
C111
1uF(K)
R511 R510 13
C546
R512 9 14
R513 8.2K 15K
0.1uF(K)
8 12
10K 20K
10
R162
NJM324
NJM324 R107
820R
U501-D
R539 3.9K
U501-C
330K
C549
C521
C519
C550
560pF 1.2nF
1.2nF
560pF
EV_U/D
MOD_CON_CS
U508 +3.3V +3.3V
R131
8 1
U/D VDD 10R
7 2
NC VSS C191
R104 R105 R106
6 3 220pF
C1038
B A
47K 47K 47K
47pF
R598 5 4
CS/ W
20K
MCP4011(503)
C100
R599
1uF(1608)
NA
C528
R520
18nF
560K
R541
C536
330K
15nF
2 R527 R528
100K 82K
3
C551
10uF / 10V(A)
C537
2.2nF
Figure 10-41. MDC/QCII R&TTE Transmitter Audio Filter and Sub-tone Schematic Diagram
VOX
R138
220K
R103
150K
C101
C103
R101 R102
1uF(K) 47pF
10K 47K
C102 R117 R118
2.2nF 47K
8.2K
R110
C104
270K
150pF
U101_PIN29(CSN)
U101_PIN30(CLK)
C105
U101_PIN31(SDATA)
15nF
+3.3V
R181
150R R150
10K(1%)
C1039
47pF
C153
1uF(K)
R151
C154
12K(1%)
1uF(K)
+3.3V
RX_AF2
C119
R141 1 20
VDD
IN+
10nF
100K
2 19
ST/GT
IN-
3 18 R142
GS EST
R140 4 17
VREF STD
68K
5 16
INH NC
6 15
PWDN Q4
R146
C120
OR 7 14
15pF NC Q3
FL102 8 13
OSC1 Q2
3.5795MHz
9 12
C117 OSC2 Q1
1.2nF 10 11
TOE
VSS
DTMF_DEC_EN
U103
R145
MT88L70
1M
C115
27pF C116 R143
C118
27pF 91K
R144 10uF/16V
100K
TONE_INPUT
10-59
C106
R116
47nF
1.2K
DTMF/MDC_ENC
C107
0.1uF(K)
C121
33nF
330K
U101_PIN72
U101_PIN63
U101_PIN64
U101_PIN65
U101_PIN66