Hytera MD78X Service Manual

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
ROSS
MD780 U1
DAC
5VA
3V3D
MOD_H
MOD_L_RFCS
DAC_DIN
DAC_SCLK
DAC_FS
TV_APC
Final_bias
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Sunday, April 10, 2016
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Sunday, April 10, 2016
C516 100PC516 100P
R566 0R566 0
C500
33p
C500
33p
R513
100K
R513
100K
C501
330p
C501
330p
R512 10kR512 10k
C513
1000P
C513
1000P
R567 0R567 0
C510
100P
C510
100P
C512
0.1u
C512
0.1u
C506
0.01uF
C506
0.01uF
R529 33KR529 33K
R500
100K
R500
100K
R505
0
R505
0
R502 1KR502 1K
RN500 100*4RN500 100*4
1
2
3
4 5
6
7
8
C523
NC
C523
NC
U500U500
DVDD
1
PD
2
LDAC
3
DIN
4
SCLK
5
CS
6
FS
7
DGND
8
AGND
9
REFINCD
10
OUTD
11
OUTC
12
OUTB
13
OUTA
14
REFINAB
15
AVDD
16
C507
0.01uF
C507
0.01uF
c508
10uF/16V
c508
10uF/16V
R528
68K
R528
68K
C524
NC
C524
NC
C518 100PC518 100P
R506
10K
R506
10K
C502
3300p
C502
3300p
R504 1KR504 1K
R503 1KR503 1K
C511
10uF/10V
C511
10uF/10V
C521
NC
C521
NC
R510 10kR510 10k
C504
NC
C504
NC
C505
NC
C505
NC
R509 10kR509 10k
R564
0
R564
0
C509
0.1u
C509
0.1u
C514 0.1uC514 0.1u
C522
NC
C522
NC
C515 0.1uC515 0.1u
R565
0
R565
0
R507
0
R507
0
R501
10K
R501
10K
R514
100K
R514
100K
C503
1800PF
C503
1800PF
C517 100PC517 100P
MD78X/MD78XG Schematic Diagram (DAC Circuit)
63

Hytera MD78X Specifications

General

Brand	Hytera
Model	MD78X
Category	Radio
Language	English