Figure 7-52. Mdc/Qcii R&Tte Audio Filter And Sub- Tone Schematic Diagram - Motorola P100 Series Detailed Service Manual

Circuit Board/Schematic Diagram and Parts List UHF2 - MDC/QCII R&TTE (435–470 MHz)
+3.3V
R194
10K
C140
47nF
2
1
MIC1
C142
C1018
OB27P44(2.8mm)
470pF
220pF
C543
8.2nF
C522
8.2nF
R508
TO_VCTCXO&VCO 3.6K R515
6 R514
7 20K 2
15K
5 1
3
NJM324
NJM324
U501-B
R509
U501-A
C523
2.2K
C525
470pF
C517 3.3nF
15nF
R529 47K
+3.3V
R530 47K
R531 47K
C573
47pF
PB501
PTT
EVQPUD02K
R540
47K
J601
0980683Z01
1
3
2
4
5
6
C520
7
6.8nF
C635 L603
C141
600B
NA NA
PROGRAM_DATA
L604
C546
R513 R512 9
2.2uH(1608)
0.1uF(K)
20K
10K
10
C625 C624
R539
47pF
47pF(1608) 330K
C549 C521
1/2VCC
560pF 1.2nF
C633 C634
NA C576
NA
47pF(1608)
MOD_CON_U/D
C544
MOD_CON_CS
NA
R519
U508
+3.3V 4.7M
8 U/D 1
VDD
C524 R520
7 NC 2
47nF VSS 1M
C583 9
6 B 3 8
47pF A
10
R518
5 CS/ 4
C527 W
R516 R517 4.7K NJM324
R538
18nF
2.7K 5.6K U502-C
6.8K MCP4011(503)
R521
330K
C542 C547
C548
2.2nF
10nF
NA
R536
330K
1/2_VCC
R541
C536
330K
15nF
R526
2 R528
47K R527
1 82K
82K
3
NJM324
U502-A
C537
2.2nF
PTT1
FUN_KEY1
FUN_KEY2
PTT2
C574
47pF
C570
47pF
Q505
KRA305 R537
1K
+3.3V
Q504
KRC404
TX_AF2
R137
CR502
4.7M
NA
C139 C135
R135
10K 47pF
0.1uF(K)
13
14
12
1/2VCC
R136 NJM324
U105-D
100K
C136
C1032
0.1uF +3.3V
R111
47pF
NA
R120
47K
Q114
VOX_EN
KRC404
C518
R103
5.6nF
150K
C111 C101 R101 R102 C103
13 1uF(K) 1uF(K) 10K 47K 33pF
R511 R510
14
8.2K 15K
8 12
NJM324 R162
C102
NJM324
U501-D R107 820R
2.2nF
U501-C
3.9K
C550 C519
560pF 1.2nF
+3.3V
C1019
47pF
R131
10R
C191
C1038
220pF
47pF
C100
1uF(1608)
C528
18nF
C577
47pF
C115
27pF
C551
10uF/10V(A)
C578
C1024
47pF
47pF
U106
TC7S66FU
1 2
4
+5V
C530
10nF 4
NJM324
U501-E
C529
11 U502-E
0.1uF
DCS_SEL
C125
47nF
R126
C1029
47pF
VOX
CR117
KDS160E
C137
0.1uF(K) R138
CR116
220K
KDS160E
C106
R117 R118
R116
47nF
8.2K 47K
1.2K
C1023 C1022 R110
C104
47pF 270K
47pF 150pF
C107
0.1uF(K)
C105
15nF
+3.3V
R150
C1039
10K(1%) 47pF
R1201
R151
15K
12K(1%)
1/2VCC
U101_PIN29(CSN)
U101_PIN30(CLK) R1202
R1203
27K
330K
U101_PIN31(SDATA) C1202
0.22uF(K)
R181
0R
C153 U1200-A
R1204
1uF(K) R1206 2
1.5K
3.9K
3
C154
1uF(K) C1206 R1205
1U(K)
4.7K
U102
C1201 C1203
AK2347
18nF 2.2nF
R1200
1.2K
RX_AF2 C1200
0.1uF(K)
C1025
C1027
47pF C1028 U1102
47pF 47pF KRX201E
+5V
1 6 R1112
1E 1C
10R
2 5
R146 2B
C1100 QC2_EN 1B
8
0R 0.1uF(K) 3 4
2C 2E
FL102 4
3.5795MHz U1100-C
C117
C1102 R1102 R1108
1.2nF R1100
22nF 4.7M
270k
NA
R1106
U1100-A
2 R1109
R145 10K
1 6 10K
1M
C1103 3 7
5
C116 R143 22nF
R1101
27pF 100K R1103
R1107 U1100-B
2K
330K
470K
1/2VCC
R1105
C1104
R1104
47K
0.22uF(K)
27K
C118
R144
10uF/16V
100K
TONE_INPUT
C1031 RX_TONE_CON2
47pF
C1041
47pF
Q101 Q102
C156
KRC413 KRC413
0.22uF
C157
0.22uF
C126
R127
C129 R129
33nF 33K
47nF
150K
C127
C130
47nF C128
2 47nF 33nF
1 6
3 7
5
NJM324
15K NJM324
C110 U105-A
R192
R128
22nF R122 R191 U105-B
C1030 15K
3.9K C109 R121
330K 15K
Q103
47pF 22nF 330K
KRC413
Q113
Q104
KRC404
KRC413
RX_TONE_CON1
Figure 7-52. MDC/QCII R&TTE Audio Filter and Sub- Tone Schematic Diagram
7-85
U101_PIN26(DTMF_IN)
+5V
U1201
KRX201E
R1213
1 6
1E 10R
1C
2 5
MDC_EN 2B
1B
3 4
2E
2C
U1200-C
8
4 R1211
C1205
R1209
47K
0.1uF
4.7M
U101_PIN73(MDC/QC_IN)
R1207
10K R1210 R1212
U1200-B
1 6 10K 0R
7
5
R1208
Q1200
470K KRC404
C1204
0.22uF(K)
+3.3V
C121
C119 33nF
1 IN+ 20
R141
10nF VDD
100K
2 IN- 19
ST/GT
R142
3 GS 18 330K
EST
R140 17
4 VREF U101_PIN72
68K STD
5 INH 16
NC
6 PWDN 15
DTMF_DEC_EN U101_PIN63
C1105 Q4
0.1uF
7 NC 14 U101_PIN64
Q3
R1111
8 OSC1 13 U101_PIN65
47K Q2
9 OSC2 12
U101_PIN66
Q1
10 VSS 11
U101_PIN73(MDC/QC_IN)
TOE
U103
R1110
MT88L70
0R
Q1100
KRC404
C120
15pF
+5V
4
U105-E
NJM324
11 R134
3.9M
R132
1K
C158
9
0.22uF
8
10
R133
R149 NJM324
220K
470k U105-C
C134
1/2VCC
1uF(K)
C1033
47pF