Audio Output Circuit Diagram - Toshiba D-R5SC Service Manual

5-4-1. Audio Output Circuit Diagram

S /
S P D F I R281 33R
SPDIF
R279 C19
100pF
10K
+3.3V
R296 R297
C313
R298
R299 4.7K 4.7K
C314
47uF/16V
4.7K 4.7K
0.1uF
ML
MD
MC
VADDIS_AMCLK
ABCLKO
ALRCLKO
AOUT0
I55_AMCLK
I55_ABCLK
I55_ALRCLK
ADC_ADAT
10uF/16V C325
AL_TV
R309 10K
10uF/16V C326
AL_REAL
R313 10K
10uF/16V C331 R314 10K
AL_FRONT
10uF/16V C333
AR_TV
R320 10K
10uF/16V C336 R325 10K
AR_REAL
R326 10K
10uF/16V C339
AR_FRONT
C440 C438 C439
A12V
A12V
A-12V
A-12V
1uF 1uF 1uF
5SB
5SB
A5V
A5V
+3.3V
+3.3V
GND
AGND
A5V
C348
47uF/16V
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P D I F o u t
J504
FB9 GP1FAV51TK0F
S P D F I _ O P T C I A L
1
DIN
SP5V
4
2 5
VCC
6
3
GND
C102
+
C307
47uF/16V
0.1uF
FB19 A5V
MUTE-
A U D O I D A C
D E C - O U P L N I G
+
IC513
WM8787
15 36
DVDD AVDD
22
HPVDD
C317
14 C316
DGND
0.1uF
R300 4.7K 0.1uF
37
AGND
N.C.
16 21
MODE HPGND
17
CE
18 30
DI DACREFP
C318
19
CL
+
0.1uF
5
DACMCLK
4 29
DACBCLK DACREFN
47uF/16V
7
DACLRC
6
DIN
35
ADCREFP
C321
11
ADCMCLK
10 +
ADCBCLK
0.1uF
13
ADCLRC
12 34
DOUT ADCREFGND
47uF/16V
41
AINOPL
5.1K R310
40 28
AINVGL VMIDDAC
33
VMIDADC
C327
3
AIN1L
1 +
AIN2L
0.1uF
47
AIN3L
45 26 C328
AIN4L VOUTL
47uF/16V
43 27
AIN5L VOUTR
39
AINOPR
5.1K R321 W M _ L
38
AINVGR
W M _ R
2 20
AIN1R HPOUTL
48 23
AIN2R HPOUTR
46
AIN3R
44
AIN4R
42 9
AIN5R ZFLAGL
8
ZFLAGR
32
AUXL
31
AUXR
25
NC2
24
NC1
C441 C340 C341
1uF 1uF 1uF
Z F
+3.3V 5SB
C351 C349 C352 C350 C353
+ + +
47uF/16V 47uF/16V
0.1uF 0.1uF 0.1uF
5SB
2
3
1
BAT54S D16
A-12V
R288
2K
R290
Q16 100K
2N3906
M U T - E R292 4.7K
M u t e c i r c u i t s R295
100K
FB20 A5V
+
C315
47uF/16V
R301
240R
C319
C320
1.8K R302 7.5K R303
10uF/16V
R305 C323
C322 10K
1nF
C329
+
0.1uF
C330 C332
47uF/16V 1.8K R315 7.5K R316
10uF/16V
R319 C334
10K 1nF
+3.3V
R328
10K
R329
L A G 33R N.C. O U T _ M U T E
5SB
R280 10K
2
3
2N3906
1 Q13
D15 BAT54S
C308
220uF/16V
P o w e r - O f f
A12V 5SB
R287 0R
D20 BAT54S D18 BAT54S
R285 R286
0R 0R
1 1
N.C.
O U T _ M U T E
3 3
2 2
C311
R293 220uF/16V
D17 91K
BAT54S
P o w e r -
A12V
IC514A
3 AZ4558AM C164 R304
+
1
2
-
C324 10uF/16V 680R
680pF R306
A-12V
R307 4.7K R308 5.1K O U T _ M U T E
R312
A12V
IC514B
AZ4558AM C165
5 R318
+
7
6
-
C335 10uF/16V 680R
680pF
A-12V
R323 4.7K R324 5.1K A12V
0.1uF
+
C169
47uF/16V C337
O U T _ M U T E
m u t e .
Q15
2N3906
O U T _ M U T E
R294
470R
C312
47uF/16V
O n / O f f m u t e .
A U D O I _ O U T _ R
AUDIO_OUT_R
2N3904
2K
Q17
2K Q18
2N3904
A U D O I _ O U T _ L
AUDIO_OUT_L
A-12V
0.1uF
C170
C338
47uF/16V
Fig. 5-5-5