Akai DVPX-7830 Service Manual
DVD PLAYER
Model:
DVPX7830
SERVICE MANUAL
www.akai.ru
D
C
B
A
WIRING DIAGRAM
6
521
1 2 3 4 5 6
8
D
C
B
A
D
C
B
A
SCHEMATIC DIAGRAMS
AUDIO AND POWER
6
VCC
3 2
3.3V REGUALTOR
Q3
AMS1117
IN OUT
1
ADJ
VD33D
1 2
100U/16V
LL5
FB (0805)
CC91
RF33V
CC92
1U
521
DVCC
220U/16V
LL6
FB (0805)
CC29
12
MVCC
MGND
RFGND
CC94
0.1U
RR83 3.3 (0805)
100U/16V
CC85
PLL33V
CC86
470P
VCC
1 2
100U/16V
LL4
FB (0805)
CC87
RF50V
CC88
1U
GND
560 1%
RR86
GND GND
100UF
OUT
4
RR85
346 1%
B22
B10
0.1u
VD33D
1 2
LL8
FB (0805)
VCC33 VCC20
DD4 IN4002
1
DD5 IN5819
1
VCC33
GNDA GND
B2
0.1u
B4 100UF
B5 220UF
TSD0
TSD2
TSD1
2.54MM
1 2
LL7
MCLK AOUT2L
TWS
TBCK
R143 33 OHM
R25 33 OHM
R4 33 OHM
R55 33 OHM
J4
1234567
1 2
1 2
1 2
1 2
1 2
L10
L9
L8
L26
L7
+12VA
VCCA-12VA
VCCVCCV DVCC
C16
0.1UF
MCLK-
TBCK-
TWS-
TSD0-
VCC33V
ZERO
14
9
7
DA1196
DIN1
DIN2
VCC
B44
0.1UF
B45
0.1UF
B46
0.1UF
GND
0.1UF
B47
VCCA
B49
0.1UF
GNDAGNDA
10UF
GND
DA1196
B54
VCC33
B37
0.1UF
SDRAM
B38
0.1UF
B39
0.1UF
B40
0.1UF
B42
0.1UF
B43
10UF
GND
VCC33
B23
0.1UF
ES60x8
B26
0.1UF
GND
B27
0.1UF
B28
0.1UF
GND
B30
0.1UF
B31
0.1UF
B32
0.1UF
B33
0.1UF
B34
10UF
VCC20
B9
0.1UF
B11
0.1UF
B12
0.1UF
VCC
B18
0.1UF
24C01
GNDA
OUT2R
CAP
16
VMIN CAP
C27
0.1UF
C105 10UF
C26
10UF
AOUT1R
81023456
LATCH/12S
SCLK/IWL
SDIN/DM0
MUTE
MODE
LRCLK2
MCLK
BCLK
LRCLK
DIN0
OUT0R
OUT1R
OUT1L
OUT2L
AOUT CC
AOUT LS
AOUT SUB
C106 10UF
AOUT2R
ZERO
AGND2
OUT0L
GR0
GR1
GR2
L
R
C104 10UF
C100 10UF
C103 10UF
AOUT0R
AOUT1L
EAUX00
TSD3
TSD0
R26 33 OHM
R51 OPEN
R17 33 OHM
TBCK-
TWS-
VCC
111213
1
U2
DVDD
DGND
AGND1
AVDD1
AVDD2
15282024262218272523211917
VCCA
C101 10UF
AOUT0L
I2S format,16-24bits
auto-detect.
De-emphasis OFF
MCLK-
VCCVCC
17
18
123
NC
NC
ZERO
MUTE
MODE
DGND
AGND
CAP
10
13
20
VMIN CAP
141516
45678
ML/I2S
MC/IWL
MD/DM
BCKIN
DIN
LRCIN
VOUTR
VOUTL
9
12
R
L
U10
DA1132
SCKI
RSTB
AVCC
VDD
11
19
VCC
VCCA
1 2 3 4 5 6
10
D
C
B
A
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