Hytera MD78X Service Manual page 355

5
D
C198 C198
D101 D101
3.6p 3.6p
1SV305 1SV305
2 1
C27 C27
L108 L108 D116 D116 C13 C13
0.5p 0.5p
470nH 470nH 1SV305 1SV305 3.6p 3.6p
2
1
C184 C184
D111 D111
220p 220p
L106 L106
1SV305 1SV305
2 2
27n 27n 2
D102 D102
D117 D117
1SV305 1SV305
1SV305 1SV305
C136 C136
4.7u 4.7u R128 R128
82K 82K
C145 C145
C144 C144 R120 R120
NC NC
NC NC
39K 39K
MOD_H
TP108 TP108
MOD_H MOD_H
C
C181 C181
0.5p 0.5p
C152 C152
D105 D105
4p 4p
1SV305 1SV305
2
1
C159 C159
L112 L112 D112 D112
4p 4p
470nH 470nH 1SV305 1SV305
2
1
C156 C156
220p 220p L115 L115
27n 27n
2 2
D106 D106 D113 D113
1SV305 1SV305 1SV305 1SV305
CV
0.1u 0.1u
D107 D107 C12 C12
5p 5p
1SV305 1SV305
B 2
1
C18 C18
L129 L129 D121 D121
1SV305 1SV305 4p 4p
470nH 470nH
2 1
C197 C197
220p 220p L126 L126
2 2 39n 39n
D108 D108 D122 D122
1SV305 1SV305 1SV305 1SV305
C149 C149
0.1u 0.1u
D109 D109 C164 C164
5p 5p
1SV305 1SV305
2 1
A
C165 C165
D125 D125
L133 L133
4p 4p
470nH 470nH 1SV305 1SV305
2
1
C160 C160
220p 220p L139 L139
2 2 33n 33n
D110 D110 D126 D126
1SV305 1SV305 1SV305 1SV305
5
4
MD78X/MD78XG Schematic Diagram (VCO Circuit)
R153 R153
601SN1 601SN1
Q101 Q101
EMD22 EMD22
C24 C24
C23 C23
R142 R142
3
3.3k 3.3k 220p 220p 0.1u 0.1u
L5 L5
470n 470n
5
C28 C28 R145 R145
220p 220p
100 100
C195 C195 C194 C194
R143 R143
220p 220p
0.1u 0.1u 6.8k 6.8k
6
C25 C25
L103 L103
5p 5p
470n 470n
C196 C196
7p 7p
2
Q100 Q100
2SC5010 2SC5010
C193 C193
33p 33p
C26 C26 C185 C185
3.6p 3.6p 56p 56p
L105 L105
8n 8n
Q105 Q105
L107 L107 R157 R157
EMD22 EMD22
1
470n 470n 601SN1 601SN1
C191 C191 3
18p 18p
5
4V3A
R139 R139
82 82
R117 R117
6
39K 39K
C143 C143
NC NC
220p 220p
C147 C147
C163 C163
0.1u 0.1u
R131 R131
3.3k 3.3k
L4 L4
470n 470n
C186 C186
R140 R140
220p 220p
100 100
C141 C141 C142 C142
R138 R138
0.1u 0.1u 470p 470p
8.2k 8.2k
C166 C166
C34 C34
R122 R122
L110 L110 100P 100P
5p 5p
470n 470n 27 27
C151 C151
9p 9p
R129 R129 R135 R135
2
220 220 220 220
Q103 Q103
2SC5010 2SC5010
C153 C153
C157 C157
C177 C177 27p 27p
56p 56p
5p 5p
L114 L114
8n 8n
C9 C9
1.5P 1.5P
L116 L116
C158 C158
470n 470n
18p 18p
R137 R137
82 82
R179 R179
601SN1 601SN1
3
C29 C29
C30 C30
5
R158 R158
0.1u 0.1u
6.8k 6.8k L117 L117 220p 220p
470n 470n
C46 C46 6
R160 R160
220p 220p
100 100
C7 C7 C6 C6
R159 R159
220p 220p
7.5k 7.5k
C32 C32
L121 L121
5p 5p
470n 470n
C10 C10
7p 7p
2
R186 R186
Q106 Q106
601SN1 601SN1
3
2SC5010 2SC5010
C5 C5
C31 C31 27p 27p C3 C3
5
47p 47p
3p 3p L124 L124
12.5n 12.5n
L127 L127 6
470n 470n
C4 C4
15p 15p
R144 R144
120 120
C150 C150 C167 C167
220p 220p 0.1u 0.1u
R132 R132
6.8k 6.8k
L118 L118
470n 470n
C53 C53
C52 C52 1.5P 1.5P
R196 R196
220p 220p
100 100
C148 C148
R194 R194
470p 470p
7.5k 7.5k
C33 C33
C168 C168
L134 L134 R123 R123 100P 100P
5p 5p
27 27
470n 470n
C155 C155
12p 12p
R136 R136
R130 R130
2
220 220 220 220
Q110 Q110
2SC5010 2SC5010
C154 C154
C161 C161
39p 39p
C49 C49 56p 56p
4p 4p L137 L137
12.5n 12.5n
L140 L140
C162 C162 470n 470n
18p 18p
R192 R192
120 120
4
3
4V3A
4
2
TX_VCO_H
1
4V3A
4
2
TX_VCO_L
1
R149 R149
NC NC
R163 R163 R164 R164
NC NC NC NC
L148 L148
NC NC
C40 C40 C41 C41
R152 R152
C37 C37 C38 C38 NC NC NC NC
36K 36K
NC NC NC NC
C106 C106
R173 R173 nc nc
nc nc
U105 U105
C35 C35 C39 C39
R141 R141
1 8 NC NC
NC NC Vcc1 Vcc2
47 47
2 7 1
IN OUT
3 6
IN SW2
4 5
R150 R150 R162 R162
GND SW1
C36 C36
L168 L168 NC NC NC NC
NC NC R161 R161
27NH 27NH NC NC
18K 18K
C42 C42
1P 1P
Q108 Q108
EMD22 EMD22 4V3A
4
2
RX_VCO_H
1
L128 L128
15n 15n
Q112 Q112
4V3A
EMD22 EMD22
4
2
RX_VCO_L
1
R154 R154
NC NC
R169 R169 R165 R165
NC NC NC NC
L163 L163
NC NC
C43 C43 C45 C45
C44 C44 C63 C63 NC NC NC NC
NC NC NC NC
U107 U107
C48 C48 C47 C47
R1 R1
1 8 NC NC
NC NC Vcc1 Vcc2
47 47
2 7
IN OUT
3 6
IN SW2
4 5
C51 C51 R172 R172
GND SW1
R170 R170
L167 L167
NC NC NC NC
NC NC
27NH 27NH
NC NC
C62 C62
1P 1P
342
3
2
R185 R185
5VA_FGU
nc nc
Q117 Q117
TX
EMD22 EMD22
D127 D127
3 4
DAN222 DAN222
5 1
TX_VCO_H
2 3
2
TX_VCO_L
6 1
L131 L131
601SN1 601SN1
R147 R147
100 100
R146 R146
C101 C101
C199 C199 C1 C1
100 100 L132 L132
1.5P 1.5P
R151 R151
0.01U 0.01U 1000p 1000p 27NH 27NH
15k 15k
C107 C107 C11 C11 L2 L2
C8 C8 R191 R191
nc nc
4P 4P 15NH 15NH
nc nc
470p 470p
L135 L135
27NH 27NH
C14 C14
C17 C17
10p 10p 12P 12P
1 C15 C15
Q107 Q107
10p 10p
PBR941 PBR941
Q102 Q102
C19 C19 R155 R155
L138 L138
2SC5108Y 2SC5108Y
NC NC 20k 20k
27nH 27nH
C21 C21 R156 R156
470P 470P 68 68
C178 C178 C179 C179
2P 2P 1P 1P
L122 L122 L123 L123
15NH 15NH 15NH 15NH
Fin
C192 C192
C190 C190
C189 C189
NC NC
12P 12P NC NC
5VA_FGU
Q116 Q116
EMD22 EMD22
3 4
5
2
RX
6 1
L9 L9
601SN1 601SN1
R190 R190
100 100
R148 R148
100 100 C102 C102
C58 C58 C60 C60
L162 L162 1.5P 1.5P
1000p 1000p
0.01U 0.01U
27NH 27NH
C56 C56
R198 R198 L173 L173
C50 C50
6P 6P
15k 15k
470p 470p 15NH 15NH
L169 L169
R199 R199 27NH 27NH C59 C59
C20 C20
120K 120K 10p 10p 12P 12P
1
Q109 Q109
PBR941 PBR941
1
Q111 Q111 C54 C54
L166 L166 R195 R195
2SC5108Y 2SC5108Y
NC NC 20k 20k
27nH 27nH R197 R197
C57 C57
0 0
NC NC
R189 R189
NC NC
DESIGNER ZDW
Title Title Title
<Title> <Title> <Title> VCO
Size Size Size Document Number Document Number Document Number
Custom Custom Custom <Doc> <Doc> <Doc>
Date: Date: Date: Wednesday, May 11, 2011 Wednesday, May 11, 2011 Wednesday, May 11, 2011
2
1
D
C2 C2
3P 3P TP111 TP111
TX_LO TX_LO
L136 L136
15NH 15NH
TX_LO
C16 C16
TP114 TP114
6P 6P GND GND
C
B
C55 C55
3.6P 3.6P TP123 TP123
RX_LO RX_LO
C100 C100
L171 L171
220p 220p
18NH 18NH
RX_LO
TP122 TP122
C22 C22 GND GND
C61 C61
8P 8P
12p 12p
A
Rev Rev Rev
<RevCode> <RevCode> <RevCode>
Sheet Sheet Sheet 10 10 10 of of of 14 14 14
1