Hytera MD78X Service Manual page 501

5
D
C
B
A
5
4
MD78X/MD78XG Schematic Diagram (VCO Circuit)
R153 R153
601SN1 601SN1
C24 C24
C23 C23
R142 R142
1500p 1500p 0.1u 0.1u
3.3k 3.3k L5 L5
680n 680n
C28 C28 R145 R145
1500p 1500p
100 100
C195 C195 C194 C194
R143 R143
1500p 1500p
0.1u 0.1u 8.2k 8.2k
L103 L103 C25 C25
15p 15p
680n 680n
C198 C198 C196 C196
D101 D101
8p 8p 7p 7p
1SV305 1SV305
2
1 2
Q100 Q100
R157 R157
2SC5010 2SC5010
C13 C13 C193 C193 601SN1 601SN1
L108 L108 D116 D116
8p 8p
C26 C26 33p 33p C185 C185
680nH 680nH 1SV305 1SV305
2 C27 C27 150p 150p
1 4.7p 4.7p L105 L105
1p 1p
56n 56n
C184 C184
1500p 1500p
L106 L106
L107 L107
2 2
180n 180n
D102 D102 680n 680n
D117 D117
C191 C191
1SV305 1SV305
1SV305 1SV305 27p 27p
R139 R139
120 120
C136 C136
4V3A
4.7u 4.7u R128 R128 R117 R117
82K 82K 39K 39K
C145 C145
C144 C144 D111 D111 R120 R120 C143 C143
NC NC NC NC NC NC
1SV305 1SV305 39K 39K
C147 C147 C163 C163
1500p 1500p 0.1u 0.1u
MOD_H
R131 R131
3.3k 3.3k
TP108 TP108
L4 L4
MOD_H MOD_H 680n 680n
C186 C186
R140 R140
1500p 1500p
100 100
C141 C141 C142 C142
R138 R138
1500p 1500p
0.1u 0.1u 8.2k 8.2k
C181 C181
C166 C166
1p 1p L110 L110 15p 15p
680n 680n
C152 C152 C151 C151
D105 D105
10p 10p
9p 9p
1SV305 1SV305
2
1 2
Q103 Q103
2SC5010 2SC5010
L112 L112 D112 D112 C159 C159 C153 C153 C157 C157
9p 9p C177 C177 33p 33p
680nH 680nH 1SV305 1SV305 150p 150p
2 10p 10p L114 L114
1
56n 56n
C156 C156
1500p 1500p L115 L115
L116 L116
2 2 120n 120n
C158 C158 680n 680n
D106 D106 D113 D113 27p 27p
1SV305 1SV305 1SV305 1SV305
R137 R137
120 120
R179 R179
601SN1 601SN1
CV C29 C29
C30 C30
R158 R158
0.1u 0.1u
3.3k 3.3k L117 L117 1500p 1500p
680n 680n
C46 C46
R160 R160
1500p 1500p
100 100
C7 C7
C6 C6
R159 R159
0.1u 0.1u 1500p 1500p
8.2k 8.2k
C32 C32
L121 L121
15p 15p
680n 680n
C10 C10
D107 D107 C12 C12
1SV305 1SV305 11p 11p 10p 10p
2
1 2
Q106 Q106 R186 R186
601SN1 601SN1
2SC5010 2SC5010
L129 L129 D121 D121 C18 C18 C5 C5
11p 11p C3 C3
680nH 680nH 1SV305 1SV305 C31 C31 24p 24p
2 1 11p 11p L124 L124 82p 82p
22n 22n
C197 C197
1500p 1500p L126 L126 L127 L127
150n 150n
2 2 680n 680n
D108 D108 D122 D122
C4 C4
1SV305 1SV305 1SV305 1SV305
20p 20p
R144 R144
150 150
C150 C150 C167 C167
1500p 1500p 0.1u 0.1u
R132 R132
3.3k 3.3k
L118 L118
680n 680n
C52 C52
R196 R196
1500p 1500p
100 100
C149 C149 C148 C148
R194 R194
0.1u 0.1u
1500p 1500p
8.2k 8.2k
C168 C168
L134 L134
15p 15p
680n 680n
C164 C164 C155 C155
D109 D109
11p 11p 10p 10p
1SV305 1SV305 R130 R130
2
1 2 120 120
Q110 Q110
2SC5010 2SC5010
D125 D125 C165 C165
L133 L133 C154 C154 C161 C161
10p 10p
680nH 680nH 1SV305 1SV305 C49 C49 33p 33p 180p 180p
2 1 11p 11p
L137 L137
27n 27n
C160 C160
1500p 1500p L139 L139
L140 L140
2 2 120n 120n C162 C162
680n 680n
D110 D110 D126 D126 30p 30p
1SV305 1SV305 1SV305 1SV305
R192 R192
150 150
4
3
Q101 Q101
EMD22 EMD22 4V3A
3 4
5
2
TX_VCO_H
6 1
R146 R146
Q105 Q105
100 100
EMD22 EMD22 4V3A
3 4
C8 C8
5
1500p 1500p
2 L135 L135
TX_VCO_L R152 R152
150NH 150NH
150K 150K C17 C17
C40 C40
R169 R169 nc nc 100NH 100NH
6 1
nc nc
R141 R141
150P 150P
1
Q102 Q102
2SC5108Y 2SC5108Y
R161 R161
R122 R122 L168 L168 nc nc
100NH 100NH
18 18
C35 C35 C34 C34
R129 R129 R135 R135 nc nc 22P 22P
270 270
270 270
L6015 L6015
BLM15PD121SN1 BLM15PD121SN1
1 2
C6042 C6042
0.1u 0.1u
R6052 R6052
1k 1k
D6009 D6009
C9 C9 L6027 L6027 C6055 C6055
MA2S077 MA2S077
6P 6P 68nH 68nH
2 1
R6053 R6053
10K 10K
Q108 Q108
EMD22 EMD22 4V3A
3 4
D6014 D6014
L6030 L6030
5
MA2S077 MA2S077 62nH 62nH
2
RX_VCO_H 2 1
6 1
R6051 R6051
10K 10K
R6050 R6050
1k 1k
Q112 Q112
EMD22 EMD22 4V3A
3 4
5
2
RX_VCO_L
L6036 L6036
6 1 BLM15PD121SN1 BLM15PD121SN1
2 1
C6043 C6043
0.1u 0.1u
Q116 Q116
EMD22 EMD22
3
5
6
L9 L9
601SN1 601SN1
C53 C53 R190 R190
100 100
15P 15P
R148 R148
100 100 C58 C58
C60 C60
0.01U 0.01U 1500p 1500p
R198 R198
C50 C50 15k 15k
L167 L167
R123 R123
100NH 100NH 1500p 1500p
51 51
L169 L169
R199 R199 82NH 82NH C59 C59
150K 150K 20P 20P
C33 C33
R136 R136 C37 C37
15P 15P
nc nc
120 120 C20 C20
100nH 100nH
R1 R1
150P 150P
1
C54 C54
Q111 Q111 L166 L166 R195 R195
10P 10P
2SC5108Y 2SC5108Y 20k 20k
nc nc
R189 R189
NC NC
3
488
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
C199 C199 C1 C1 C2 C2
C101 C101
0.01U 0.01U L132 L132 3.6P 3.6P 7P 7P TP111 TP111
1500p 1500p
R151 R151 TX_LO TX_LO
220NH 220NH
15k 15k
C11 C11 L2 L2 C36 C36
C39 C39 L136 L136
R165 R165 1000P 1000P
nc nc 1500P 1500P 47NH 47NH 47NH 47NH
nc nc
TX_LO
C14 C14
15P 15P R162 R162 R163 R163
C16 C16
TP114 TP114
0 0 NC NC C15 C15
1 24P 24P
Q107 Q107 GND GND
18p 18p
PBR941 PBR941
L138 L138
C19 C19 R155 R155
nc nc
5P 5P 20k 20k
L3 L3
R156 R156
C21 C21 NC NC
68 68
1000P 1000P
R149 R149
100 100
R6034 R6034
1k 1k
L6021 L6021 C6056 C6056 C6057 C6057
4P 4P L6026 L6026
68nH 68nH 5P 5P 4P 4P
68nH 68nH
L6038 L6038
L6037 L6037
8.2NH 8.2NH
8.2NH 8.2NH
C6066 C6066
47P 47P C6067 C6067
47P 47P
MA2S077 MA2S077
TP109 TP109
D6010 D6010 TO_PLL TO_PLL
C6062 C6062
L6025 L6025 33P 33P
C6065 C6065
L6035 L6035 8.2NH 8.2NH
8.2nH 8.2nH 33P 33P C38 C38
1000p 1000p
Fin
L6028 L6028
D6015 D6015
R6035 R6035
nc nc
MA2S077 MA2S077
10K 10K
L6029 L6029 C6076 C6076
C6075 C6075 C6077 C6077
L6031 L6031
2P 2P 82nH 82nH 1.5P 1.5P 2P 2P
62nH 62nH
L6039 L6039
L6040 L6040
0 0
0 0
C6068 C6068
C6069 C6069 0 0
0 0
C6085 C6085
L6032 L6032 27P 27P C6083 C6083
5.6nH 5.6nH L6034 L6034
27P 27P
5.6nH 5.6nH
R6049 R6049
1k 1k
C6089 C6089
5VA_FGU
0.1u 0.1u
4
2
RX
1
C55 C55
C102 C102
L162 L162 3P 3P
5P 5P TP123 TP123
220NH 220NH RX_LO RX_LO
C56 C56 L171 L171 C100 C100
L173 L173
1500P 1500P 1500p 1500p
39NH 39NH 33NH 33NH
RX_LO
TP122 TP122
R200 R200
GND GND
R164 R164 C22 C22
0 0 1 C61 C61
Q109 Q109 15P 15P
NC NC 15p 15p
PBR941 PBR941
C57 C57 R197 R197
L10 L10
NC NC
0 0
NC NC
2
1
DESIGNER ZDW
Title Title Title
<Title> <Title> <Title> VCO
Size Size Size Document Number Document Number Document Number Rev Rev Rev
D D D <Doc> <Doc> <Doc>
<RevCode> <RevCode> <RevCode>
Date: Date: Date: Wednesday, May 11, 2011 Wednesday, May 11, 2011 Wednesday, May 11, 2011 Sheet Sheet Sheet 10 10 10 of of of 14 14 14
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