Hytera MD78X Service Manual page 576

5
9V1A_RX
C6100 C6100 R6100 R6100
D
1u 1u 510 510
TRANSISTOR TRANSISTOR
3
L6101 L6101
BLM18PG600SN1 BLM18PG600SN1
2 1 2
RF_ATTEN
C6103 C6103
1
220p 220p
Q6100 Q6100
TP6103 TP6103
R6106 R6106
TX TP TX TP
680 680
D6100 D6100
C6118 C6118 HVC131 HVC131
470pF 470pF
1
RX_in
C6194 C6194 C6132 C6132
L6114 L6114
10NH 10NH NC NC
BLM18PG600SN1 BLM18PG600SN1
9V1A_RX R6109 R6109
C
390 390
2 1
RX_AFTER
C6144 C6144 C6145 C6145
220p 220p 1u 1u
U6000 U6000
OPAMP OPAMP
1 IN+ IN+ VCC VCC 5
TV_APC
R6116 R6116
+ +
2
0 0 VEE VEE
- -
3 4
IN- IN- OUT OUT
9V1A_RX
TP6105 TP6105
RX TP RX TP
C6155 C6155
0.01u 0.01u R6121 R6121
B
18 18
RX_LO
C6156 C6156
NC NC R6124 R6124 R6125 R6125
270 270 270 270
5VA_RX
IF-out
A
5
4
MD78X/MD78XG Schematic Diagram (RX Circuit)
4
5
C6106 C6106
220p 220p
8p 8p
C6210 C6210
L6204 L6204 N10 N11
L6205 L6205
Micr-L Micr-L
Micr-R Micr-R
R6207 R6207
C6221 C6221
C6218 C6218 C6219 C6219 D6201 D6201
0 0
N12
3 1SV228 1SV228 3
2
N1 2p 2p
NC NC
NC NC
R6215 R6215
0 0
C6220 C6220
2p 2p
TP6110 TP6110
RX CV RX CV
C6233 C6233 C6234 C6234 C6236 C6236
C6231 C6231 C6232 C6232 68p 68p nc nc
68p 68p 68p 68p
R6127 R6127
68p 68p
10K 10K
R6114 R6114
33 33 R6212 R6212
100K 100K
R6113 R6113
270K 270K
R6214 R6214 0 0
TUHF_TONE
C6241 C6241
R6115 R6115
0.01u 0.01u
100K 100K
L6115 L6115
1 2
C6148 C6148 C6149 C6149
470p 470p 1u 1u
BLM18PG600SN1 BLM18PG600SN1
R6126 R6126 R6117 R6117
82 82 82 82
C6151 C6151 C6152 C6152
C6150 C6150 470p 470p 6p 6p
R6118 R6118
NC NC L6116 L6116 R6119 R6119
3.3K 3.3K
47n 47n 1.2K 1.2K
C6193 C6193 L6117 L6117
39n 39n
R6122 R6122 C6159 C6159
C6158 C6158 C6160 C6160
1.2K 1.2K 220p 220p C6161 C6161
0.1u 0.1u
L6127 L6127 0 0 47p 47p
18p 18p
NC NC 2
R6129 R6129
Q6103 Q6103
330 330
BFG540W BFG540W
C6172 C6172 R6138 R6138
0 0 0 0
2 1
L6121 L6121
BLM18PG600SN1 BLM18PG600SN1
C6190 C6190
1uF 1uF R6130 R6130
5.1K 5.1K
C6168 C6168
R6132 R6132
0.1u 0.1u
51 51
L6122 L6122
C6171 C6171
0.1uF 0.1uF
0.1uF 0.1uF
C6179 C6179
R6134 R6134 0.1u 0.1u
30k 30k
1
C6174 C6174
C6182 C6182 C6181 C6181 Q6104 Q6104
NC NC
NC NC TRANSISTOR TRANSISTOR R6137 R6137
NC NC
30k 30k
4
3
L6200 L6200
BLM18PG600SN1 BLM18PG600SN1
2 1
C6243 C6243
R6201 R6201
0.1uF 0.1uF
C6202 C6202
680 680
470p 470p
Q6201 Q6201
2 5
UMT1N UMT1N
R6203 R6203
C6204 C6204 27K 27K
L6202 L6202
0.1u 0.1u
C6205 C6205
560n 560n
1000p 1000p
C6207 C6207 R6205 R6205
5.6K 5.6K
1000p 1000p
C6209 C6209 C6212 C6212
56p 56p 47p 47p
R6208 R6208
C6213 C6213
470 470
N21 N22
N20 0.1u 0.1u
C6222 C6222
2 1 2 1 2
Micr-L Micr-L Micr-L Micr-L
L6206 L6206 L6207 L6207 0 0 C6224 C6224
56p 56p
R6211 R6211
C6230 C6230
1.2K 1.2K
15p 15p
L6210 L6210
33nH 33nH
D6203 D6203
HSM88AS HSM88AS
TP6205 TP6205
TVHF_TONE TVHF_TONE
TP6106 TP6106
C6153 C6153 C6154 C6154
4p 4p 6p 6p
C6157 C6157
L6119 L6119 L6118 L6118 100p 100p
33n 33n 22n 22n T6101 T6101
4
5
C6164 C6164 C6162 C6162 C6163 C6163
C6167 C6167 C6165 C6165
18p 18p 15p 15p 7p 7p
NC NC
NC NC 6
4BLH 4BLH
R6131 R6131
1.2K 1.2K
C6169 C6169
0.1u 0.1u
R6133 R6133
330 330
C6173 C6173 R6135 R6135
0.1u 0.1u 4.7K 4.7K
C6180 C6180
0.1u 0.1u
L6123 L6123
820n 820n R6136 R6136 20K 20K
D6107 D6107 1
C6183 C6183 C6184 C6184
NC NC
6P 6P NC NC
TRANSISTOR TRANSISTOR
Q6105 Q6105
R6139 R6139
56K 56K
563
3
2
R6202 R6202
10 10
L6203 L6203
R6204 R6204
56n 56n
2.7K 2.7K
C6211 C6211
6p 6p
C6214 C6214
L6209 L6209
C6215 C6215 N14
Micr-L Micr-L N15
0 0 9p 9p N13
C6216 C6216 C6223 C6223
C6226 C6226 C6227 C6227
3 NC NC
Q6202 Q6202 10p 10p
C6225 C6225 10p 10p NC NC
BFG540W BFG540W
D6202 D6202
10p 10p
1SV228 1SV228
C6237 C6237 C6238 C6238 C6239 C6239
68p 68p 68p 68p 68p 68p
C6235 C6235 C6240 C6240
68p 68p 82p 82p
R6213 R6213
100K 100K
C6242 C6242
0.01u 0.01u
MIX IC MIX IC
D6106 D6106 R6120 R6120
T6100 T6100
3 4
51 51
3 2 5
2 1 2 1 6
L6120 L6120
4BLH 4BLH
47n 47n
C6166 C6166
1
270p 270p
TP6107 TP6107
GND GND
TX TP TX TP
TX TP TX TP TP6109 TP6109
TP6108 TP6108
C6170 C6170
18P 18P
C6175 C6175
C6176 C6176 L6125 L6125
0.1u 0.1u
0 0
4 1
OUT OUT IN IN
470n 470n
GND GND GND GND
C6188 C6188
C6177 C6177
NC NC
27P 27P
L6124 L6124
NC NC
Z6100 Z6100
Title Title Title
Size Size Size
C C C
Date: Date: Date:
2
1
D
TP6202 TP6202
TX TP TX TP
GND GND
TP6203 TP6203
C6208 C6208
1000p 1000p
L6208 L6208
R6209 R6209
Micr-L Micr-L
L6213 L6213 L6216 L6216
4.7K 4.7K
C6228 C6228
56nH 56nH 56nH 56nH
3
RX_ONE
1500p 1500p
C6244 C6244 C6245 C6245
C6246 C6246
24p 24p 39p 39p 24p 24p
C
B
C6178 C6178
0.01u 0.01u
A
<Title> <Title> <Title>
Document Number Document Number Document Number Rev Rev Rev
<Doc> <Doc> <Doc> <RevCode> <RevCode> <RevCode>
Wednesday, December 08, 2010 Wednesday, December 08, 2010 YYF Wednesday, December 08, 2010 Sheet Sheet Sheet 12 12 12 of of of 14 14 14
DESIGNER
1