Service manual
ABC D E F GH
ABC D E F GH
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
IC7303 WM8775SEDS/R
AUDIO ADC
11011121314
15 16 17 18 19
2
20 21 22 23 24 25 26 27 28
3456789
IC7301
PCM1753DBQR
STEREO DAC
1
10 11
12 13 14 15 16
234
5678
9
C7381
10016V V-S
Q7301
2SC2412K
4V_REG
D7301
1SS355
D7302
UDZS4.7B
IC7304 BA4560F-E2AMP
1234
5678
DURING PLAYBACK.
MEASURED WITH THE DIGITAL TESTER
NOTE:THE DC VOLTAGE EACH PART WAS
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
C7306
0.1 B
C7309
0.01 B
C7331
0.1 B
C7310
0.1 B
C7332 1 B
C7334 1 B
C7336 1 B
C7337 1 B
C7338 1 B
C7341 1 B
C7346 1 B
C7347 1 B
C7351
0.1 B
C7325
0.1 F
C7375
680P CH
C7378
100P
CH
C7376
680P CH
C7379
100P
CH
C7345
0.1 F
C7377 0.1 F
C7380
0.1 F
C7384
1B
B7303
MMZ1608R102CT
B7302
MMZ1608R102CT
B7308
MMZ1608R102CT
R7306
4.7K
R7311
100K
R7312
100K
R7318
100K
R7319
100K
R7320
100K
R7321
82K
R7322
82K
R7310
100K
R7308
47K
R7309
47K
R7305
4.7K
R7354
15K +-1%
R7358
100
R7359
2.2K
R7336
6.8K
+-1%
R7352
15K
+-1%
R7355
100
R7332
1.8K
+-1%
R7324
12K
+-1%
R7353
6.8K
+-1%
R7325
12K
+-1%
R7334
1.8K
+-1%
R7356
680K
R7357
100
C7329
1016V V-S
C7328
1016V V-S
C7350
1016V V-S
C7305
1016V V-S
C7322
476.3V
V-S
C7324
1016V V-S
C7385
2216V V-S
C7382
10016V V-S
C7383
2216V V-S
DAC_L
ABCLKO
AOUT0
ALRCLKO
+12V
VADDIS_AMCLK
DAC_R
MD
MC
ML
ADC_ADAT
I55_ALRCLK ZERO
I55_ABCLK
I55_AMCLK
I55_ABCLK
I55_AMCLK
ADC_ADAT
ADC_ADAT
SDA
SCL
VADDIS_AMCLK
I55_ALRCLK
ABCLKO
AOUT0
ALRCLKO
MD
MC
ML
SDA
SCL
AUDIO_IN_L_1
AUDIO_IN_R_1
AUDIO_IN_L_2
AUDIO_IN_R_2
TU_AUDIO_L
TU_AUDIO_R
BS_AUDIO_L
BS_AUDIO_R
GND
+3.3V
A5V
GND
(DVD/HD MPEG PCB)
AUDIO SCHEMATIC DIAGRAM
H-10H-9
4.5
4.0 12.1
NC
NC
FROM/TO AV ENCODER
FROM/TO MPEG
20 19
21
AIN1L
BCLK
MCLK
DOUT
ADCLRC
DGND
DVDD
MODE
CE
DI
CL
VMIDADC
ADCREFGND ADCREFP
AVDD
AGND
AINVGR
AINOPR
AINVGL
AIN4L
AIN4R
AINOPL
AIN3L
AIN3R
AIN2R
AIN2L
AIN1R
NC
2.5
1.4
1.4
1.6
0.7
0
3.1
0
0.2
3.1
3.1
2.5
2.5
5.1
0
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
28
NC
0
0
3.12.62.6 3.13.103.25.2
02.6
AGND VOUTR
MDI
2.9 3.0 3.0 3.0 2.9
ML
MC
ZEROL/NA
ZEROR/ZEROA
VCOM
3.1
SCK
VOUTL
VCC
VDD
DGND
LRCK
DATA
BCK
22
24
23
11.65.85.85.8
5.85.85.80
L
R
+
-
A_GND
VCC
-
+
262525
FROM/TO AV IN/OUT
PCBB10
DME047