Sanyo DVD-SL38KR Service Manual page 27

SCHEMATIC DIAGRAM (AUDIO DAC and VIDEO FILTER)
HPVOL_LIN
C406
R405 1K
10uF/16V 3
-
R410
+
C413
1K
6
+
10uF/16V
5
-
R413
1K
HPVOL_RIN
C418
R419 1K
10uF/16V
C424
4.7uF/16V
2SC945
NOTE: Add HEADPHONE ci r cui t according to the customer.
1
.
TP809
+5VA
AMCLK
AMCLK
ABCLK
ABCLK
ALRCLK
ALRCLK
ASDAT0
ASDAT0
Y-R-V
Y-R-V
C-B-U
C-B-U
CVBS-C
CVBS-C
CVBS-G-Y
CVBS-G-Y
V-OUT
V-OUT
C-OUT
C-OUT
U-OUT
U-OUT
Y-OUT
Y-OUT
Y-R-V
Y-OUT
+5VV
D408 D409
R424
75R 1%
1N4148 1N4148
U-OUT
+5VV
D410 D411
C-B-U
R429
1N4148 1N4148
75R 1%
C-OUT
+5VV
D401 D412
1N4148 1N4148
CVBS-C
V-OUT
+5VV
R430
D413 D414
75R 1%
1N4148 1N4148
Q401 +12VA
2SA733
C405 R404
47uF/25V
+
U402A + C407 D402 1K
TP5228
C410 7V
100uF/16V
1 FB402 FB
220uF/16V
HP_LOUT
C414
FB403 FB
7
HP_ROUT
220uF/16V
C419 C401
R420
33p 33p
100K
R421 4.7K
HEADPH_MUTE
Q404
U403
ALRCLK
1 14
LRCK MCLK
ASDAT0
2 13
DIN FORMAT
ABCLK
3 12
BCLK DEEMPH
4 11
NC NC
5 10
CAP MUTE
A-RMAIN A-LMAIN
6 9
VOUTR VOUTL
7 8
GND VDD
WM8761ED
AVDD
FB401
CAP
C428 + C430 +
C425 C427
0.1uF
10uF/16V 100uF/10V 0.1uF
HEADPH_DET
C432 20p 33p
V-OUT
L402 1uH
C434 C435
R426
100p
150p
AMUTE
4.7K
20p
C437
U-OUT
L403
1uH
C438 C439
100p
150p
22p
C440
C-OUT CVBS-G-Y
L401 1.8uH
R431
C442 C443
75R 1%
270p 330p
- 32 -
C404
R403
MIC1
MIC-LOUT
10K
0.47uF/16V
C409
R407
A-LMAIN
10K
10uF/16V
C412
1000p
C417
R415
A-RMAIN
10K
10uF/16V
C421
MIC2
MIC-ROUT
R401
C423
10K
0.47uF/16V
1000p
AMCLK
FORMAT
DE-EMP
DE-EMP
NOTE:Delete
nets:AOUT1.AOUT2,A-LREAR,A-RREAR,A-CENT,A-LEF,and
R444 R443 R446
4.7K 10K NC
the corresponding
R445
NC
Replace audio DAC PCM1748 with WM8761(2 CH)
D403
MUTE
1N4148-OPEN
D404
C431 +3.3V
MUTE
1N4148
R422
D407
100K
HEADPH_MUTE
Q406
1N4148
2SA733
-12VA
+3.3V
R427
100K
R428
100K
C441 20p
ELI M I NATE AC OFF NOISE
Y-OUT
1uH
L404
C444 C445
100p
150p
C402
R402 20K C403
0.1uF
U401A
150p
3 4558
C408 10uF/16V
+
1 R406
R409
2
-
1K
1K
R411
MUTE
2K
C415
R412 20K
C416
10uF/16V
R414
U401B
150p
5 4558
+
1K
7
R417 R418
MUTE
6
-
2K
1K
NOTE:Change the components valu e referent to the customer.
audio DAC PCM1606.Accordingly
components.
+12VAA
D405
+ C433
1N4148
Q405
D406
2SA733
R423
220uF/25V
100K R425 MUTE
1N4148
470R
+ C436
47uF/25V
D422 1N4148
Q410 2SA733
MUTE
R457
+ C458 10K
220uF/16V
R456
10K
RESET#
This is a basic schematic diagram.
- 33 -
+12VA
AOUT-LMAIN
AOUT-LMAIN
Q402
2SC1623
AOUT-RMAIN
AOUT-RMAIN
Q403
-12VA
2SC1623
C422
0.1uF
delete
+12VA
+12VA
+12VAA
+12VAA
+5VA
-12VA
+5VA
-12VA
GND
+5VV
+5VV
+3.3V
+3.3V