Hytera MD78X Service Manual

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
IF
模拟地和数字地问题
FROM RX/TX
98_DOUTB1
98_DOUTB1
98_CLKOUT1
98_PC1
98_PD1
98_FS1
98_DOUTA1
98_CLKOUT1
98_FS1
98_DOUTA1
98_PE1
98_PD1
98_PC1
98_PE1
9V3A
3V3D_RX
3V3A_RX
3V3A_RX
5VA_RX
3V3D_RX
98_PE [5]
98_PD [5]
98_PC [5]
IF-out[11]
19.2_AD9864 [9]
98_FS [5]
98_DOUTA [5]
98_CLKOUT [5]
98_DOUTB [5]
Model Name:
Prepare:
File No.:
Rev:
Date:
Page:
+
C726
10u/10V
+
C726
10u/10V
12
+
C755
10u/10v
+
C755
10u/10v
12
TP705
CV2
TP705
CV2
1
L706
601S
L706
601S
1 2
L714
601S
L714
601S
1 2
L718
0
L718
0
C729
0.1u
C729
0.1u
TP710
3V3A_RX
TP710
3V3A_RX
1
L713
0.56u
L713
0.56u
C741
0.1u
C741
0.1u
C743
47p
C743
47p
R721 33R721 33
U701U701
MXOP
1
MXON
2
GNDF
3
IF2N
4
IF2P
5
VDDF
6
GCP
7
GCN
8
VDDA
9
GNDA
10
VREFP
11
VREFN
12
RREF
13
VDDQ
14
IOUTC
15
GNDQ
16
VDDC
17
GNDC
18
CLKP
19
CLKN
20
GNDS
21
GNDD
22
PC
23
PD
24
PE
25
VDDD
26
VDDH
27
CLKOUT
28
DOUTA
29
DOUTB
30
FS
31
GNDH
32
SYNCB
33
GNDS
34
FREF
35
GNDL
36
GNDP
37
IOUTL
38
VDDP
39
VDDL
40
CXVM
41
LON
42
LOP
43
CXVL
44
GNDI
45
CXIF
46
IFIN
47
VDDI
48
PowerPAD
49
L709
601S
L709
601S
1 2
C734
47p
C734
47p
L712
601S
L712
601S
12
C711
NC
C711
NC
C744
0.1uF
C744
0.1uF
R718
510
R718
510
R713 100kR713 100k
R724 0R724 0
C750
1uF
C750
1uF
C765
100p
C765
100p
L716
330nH
L716
330nH
U703U703
Vin
4
Vss
2
CE
3
Nc
1
Vout
5
R709
10k
R709
10k
R727
47k
R727
47k
C746
470p
C746
470p
C737
0.1u
C737
0.1u
C754
1u
C754
1u
Q701
2SC3356
Q701
2SC3356
2
31
D702
HVC376B
D702
HVC376B
2 1
L705
10u
L705
10u
C739
100p
C739
100p
C701
0.01u
C701
0.01u
C728
1000p
C728
1000p
C733
0.1u
C733
0.1u
R704
2.2k
R704
2.2k
C769
100p
C769
100p
C767
100p
C767
100p
TP709
5VA_RX
TP709
5VA_RX
1
C742
1u
C742
1u
L704
10u
L704
10u
C727
470p
C727
470p
C712
0.1u
C712
0.1u
C747 22PC747 22P
C716
180p
C716
180p
C719
1u
C719
1u
R715 33R715 33
C714
10p
C714
10p
C730
30pF
C730
30pF
C707
0.1u
C707
0.1u
C732
27pF
C732
27pF
R720 33R720 33
R703
2.7k
R703
2.7k
C706
470p
C706
470p
L711
601S
L711
601S
1 2
C713
0.033u
C713
0.033u
TP704
2FLO
TP704
2FLO
1
R719 33R719 33
C748
0.1u
C748
0.1u
C764
100p
C764
100p
C756
0.1u
C756
0.1u
C708
0.1u
C708
0.1u
C718
1u
C718
1u
R725 33R725 33
C705
0.1u
C705
0.1u
C766
100p
C766
100p
L703
601S
L703
601S
1 2
C731
8p
C731
8p
L710
601S
L710
601S
1 2
TP707
18M
TP707
18M
1
C721
100p
C721
100p
D701
HVC350B
D701
HVC350B
2 1
R707
150
R707
150
C724
47pF
C724
47pF
Q702
2SC4617
Q702
2SC4617
2
31
C740
0.1u
C740
0.1u
R705
10K
R705
10K
TP702
GND
TP702
GND
1
TP703
IF
TP703
IF
1
C704
220P
C704
220P
C722
100p
C722
100p
R728
47k
R728
47k
C703
3pF
C703
3pF
R708
4.7k
R708
4.7k
C717
470p
C717
470p
C735
0.1u
C735
0.1u
L707
601S
L707
601S
1 2
L717
4.7uH
L717
4.7uH
R701
51
R701
51
C745
56p
C745
56p
L708
390n(HQ)
L708
390n(HQ)
L702 601SL702 601S
1 2
C738
100p
C738
100p
R716 5.6kR716 5.6k
+
C752
4.7u/16v
+
C752
4.7u/16v
12
TP701
TEST POINT
TP701
TEST POINT
1
C715
0.33u
C715
0.33u
R712
330
R712
330
C709
0.1u
C709
0.1u
R710
8.2k
R710
8.2k
C751
10p
C751
10p
C736
0.01u
C736
0.01u
C710 1000pC710 1000p
C763
100p
C763
100p
U702
RP102N331D
U702
RP102N331D
VDD
1
GND
2
CE
3
NC
4
VOUT
5
C768
NC
C768
NC
C720 0.1uC720 0.1u
C702
0.01u
C702
0.01u
L701
601S
L701
601S
1 2
L715 3.3uL715 3.3u
R717 33R717 33
C749
39P
C749
39P
C725
0.01u
C725
0.01u
R711 33R711 33
R714
1.8k
R714
1.8k
C723
68pF
C723
68pF
IF Circuit
71

Hytera MD78X Specifications

General

Brand	Hytera
Model	MD78X
Category	Radio
Language	English