Hytera MD78X Service Manual

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
RX FE
insure the LPF has 50dbc harmonic rejection
Matching
Harmonic filter
TV_TONE
IF AMP
N6
N4
N18
N1
N8N5N5
N3
N17
N7
N19
N2
5VA_RX
9V1A_RX
9V1A_RX
9V1A_RX
RF_ATTEN[5]
RX_in[14]
RX_LO[10]
IF-out[13]
TV_APC
TUHF_TONE[12]
RX_ONE [12]
RX_AFTER[12]
Model Name:
Prepare:
File No.:
Rev:
Date:
Page:
of
Part Name:
C6107
NC
C6107
NC
C6169
0.1u
C6169
0.1u
C6104
NC
C6104
NC
C6155
0.01u
C6155
0.01u
L6102
NC
L6102
NC
R6121
18
R6121
18
L6123
820n
L6123
820n
C6144
220p
C6144
220p
C6143
NC
C6143
NC
C6150
NC
C6150
NC
C6110
NC
C6110
NC
L6110
NC
L6110
NC
L6215
Micr-L
L6215
Micr-L
12
L6118
22n
L6118
22n
L6112
NC
L6112
NC
C6173
0.1u
C6173
0.1u
L6119
33n
L6119
33n
D6105
NC
D6105
NC
3
2 1
C6113
NC
C6113
NC
R6138
0
R6138
0
Q6105
PBR941
Q6105
PBR941
1
32
C6175
0.1u
C6175
0.1u
C6165
NC
C6165
NC
R6108
NC
R6108
NC
D6106D6106
1
4 3
2
R6117
82
R6117
82
C6180
0.1u
C6180
0.1u
D6100
HVC131
D6100
HVC131
1 2
Q6104
PBR941
Q6104
PBR941
1
32
C6147
NC
C6147
NC
TP6100
GND
TP6100
GND
1
C6194
NC
C6194
NC
C6193
0.1u
C6193
0.1u
D6104
1SV279
D6104
1SV279
12
Q6100
UMC4N
Q6100
UMC4N
1
2
3 4
5
TP6104TP6104
C6119
NC
C6119
NC
L6127
NC
L6127
NC
R6125
270
R6125
270
C6183
8pF
C6183
8pF
+
-
VCC
OUT
IN+
IN-
VEE
U6000
+
-
VCC
OUT
IN+
IN-
VEE
U6000
1
2
3 4
5
C6154
6p
C6154
6p
C6126
NC
C6126
NC
R6122
1.2K
R6122
1.2K
R6104
NC
R6104
NC
L6124
NC
L6124
NC
R6130
5.1K
R6130
5.1K
T6101
4BLH
T6101
4BLH
5 2
4 3
16
C6132
NC
C6132
NC
C6121
NC
C6121
NC
C6129
NC
C6129
NC
C6168
0.1u
C6168
0.1u
C6174
NC
C6174
NC
C6136
NC
C6136
NC
C6112
NC
C6112
NC
C6170
18P
C6170
18P
C6145
1u
C6145
1u
R6114
33
R6114
33
C6171
0.1uF
C6171
0.1uF
C6140
NC
C6140
NC
R6126
82
R6126
82
L6122
0.1uF
L6122
0.1uF
C6172
0
C6172
0
R6112
NC
R6112
NC
L6214
Micr-L
L6214
Micr-L
12
C6133
NC
C6133
NC
C6123
NC
C6123
NC
C6167
NC
C6167
NC
TP6107
GND
TP6107
GND
1
C6135
NC
C6135
NC
C6152
5pF
C6152
5pF
GND GND
IN OUT
Z6100
GND GND
IN OUT
Z6100
1
2 3
4
5 6
R6127
NC
R6127
NC
C6125
NC
C6125
NC
C6120
NC
C6120
NC
TP6101
TX TP
TP6101
TX TP
D6102
NC
D6102
NC
12
TP6105
RX TP
TP6105
RX TP
C6142
NC
C6142
NC
C6163
7p
C6163
7p
C6179
0.1u
C6179
0.1u
C6108
NC
C6108
NC
R6120
51
R6120
51
C6162
15p
C6162
15p
C6127
NC
C6127
NC
C6157
100p
C6157
100p
R6136 20KR6136 20K
C6115
NC
C6115
NC
D6103
1SV279
D6103
1SV279
12
TP6110
RX CV
TP6110
RX CV
R6116
0
R6116
0
R6111
NC
R6111
NC
C6111
NC
C6111
NC
C6131
NC
C6131
NC
L6120
47n
L6120
47n
R6106
680
R6106
680
C6130
NC
C6130
NC
C6159
220p
C6159
220p
C6151
470p
C6151
470p
R6105
NC
R6105
NC
R6135
4.7K
R6135
4.7K
C6161
20pF
C6161
20pF
R6123
NC
R6123
NC
C6118
470pF
C6118
470pF
TP6102TP6102
C6156
NC
C6156
NC
C6182
NC
C6182
NC
C6166
270p
C6166
270p
L6104
Micr-L
L6104
Micr-L
1 2
3
C6122
NC
C6122
NC
L6115
BLM18PG600SN1
L6115
BLM18PG600SN1
1 2
R6107
NC
R6107
NC
TP6103
TX TP
TP6103
TX TP
L6114
BLM18PG600SN1
L6114
BLM18PG600SN1
12
D6107
NC
D6107
NC
3
2 1
L6125
470n
L6125
470n
L6101
BLM18PG600SN1
L6101
BLM18PG600SN1
12
R6100
510
R6100
510
C6190
1uF
C6190
1uF
R6131
1.2K
R6131
1.2K
T6100
4BLH
T6100
4BLH
52
43
1 6
C6116
NC
C6116
NC
C6181
NC
C6181
NC
R6140
0
R6140
0
L6117
39n
L6117
39n
C6109
NC
C6109
NC
L6121
BLM18PG600SN1
L6121
BLM18PG600SN1
12
C6160
47p
C6160
47p
C6139
NC
C6139
NC
C6106
220p
C6106
220p
C6100
1u
C6100
1u
R6113
270K
R6113
270K
L6116
47n
L6116
47n
L6107
Micr-R
L6107
Micr-R
1 2
3
R6118
3.3K
R6118
3.3K
R6109
390
R6109
390
C6105
NC
C6105
NC
C6176
0
C6176
0
C6164
20pF
C6164
20pF
L6105
Micr-L
L6105
Micr-L
1 2
3
C6184
NC
C6184
NC
Q6101
NC
Q6101
NC
1
2
3 4
5
6
C6158
0
C6158
0
C6146
NC
C6146
NC
C6149
1u
C6149
1u
L6106
Micr-L
L6106
Micr-L
1 2
3
R6101
NC
R6101
NC
R6102
NC
R6102
NC
R6133
330
R6133
330
C6188
NC
C6188
NC
Q6102
NC
Q6102
NC
2
3 4
1
TP6106TP6106
C6128
NC
C6128
NC
L6103
NC
L6103
NC
R6115
100K
R6115
100K
R6103
NC
R6103
NC
C6114
NC
C6114
NC
D6101
NC
D6101
NC
12
C6153
4p
C6153
4p
TP6108
TX TP
TP6108
TX TP
C6177
27P
C6177
27P
C6134
NC
C6134
NC
C6137
NC
C6137
NC
C6178
0.01u
C6178
0.01u
R6119
1.2K
R6119
1.2K
C6103
220p
C6103
220p
C6124
NC
C6124
NC
L6100
NC
L6100
NC
12
C6148
470p
C6148
470p
C6185
NC
C6185
NC
C6141
NC
C6141
NC
R6139
56K
R6139
56K
R6124
270
R6124
270
C6102
NC
C6102
NC
TP6109
TX TP
TP6109
TX TP
R6137
30k
R6137
30k
R6110
NC
R6110
NC
Q6103
BFG540W
Q6103
BFG540W
2
3 4
1
R6132
51
R6132
51
C6117
NC
C6117
NC
R6129
330
R6129
330
C6138
NC
C6138
NC
R6134
30k
R6134
30k
L6111
NC
L6111
NC
RX Circuit
70

Hytera MD78X Specifications

General

Brand	Hytera
Model	MD78X
Category	Radio
Language	English