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4. AUDIO CIRCUIT DIAGRAM
E+5V
Q305
A+5V
2N3906
2
R302
0
R388
4.7K
R387
Q304
4.7K
R389
2N3904
10K
TP301
1
Q303
2N3904
/A_MUTE
1
3
/A_MUTE
R386
1K
GND
A+3.3V
C301
0.01U
VRST#
3
VRST#
ASDAT0
3
ASDAT0
ABCK
3
ABCK
ALRCK
3
ALRCK
ACLK
3
ACLK
R301
51
SCL
3
SCL
SDA
3
SDA
C360
27P
R370
ASPDIF
220
3
ASPDIF
CON301
7
6
GT303
8
1,2,3,5
A+3.3V
GT304
3
GT305
4
5
1,2,3,5,6
A+5V
2
1
GP1FD310TP
R369
220
3
/A_JACK_IN
GT310
3
HP_SENSE
HSJ1493-01-010
GT306
B302
1
0
2
GT308
6
3
B303
4
0
5
J302
C364
C363
1000P
HP JACK
1000P
A+5V
TP364
B308
BEAD
R373
4.7K
R374
2
2
15K
TP368
D302
STZ6.8N
HSJ1493-01-010
R375
4.7K
GT309
R376
1
B305
15K
0
2
TP367
GT311
6
3
B306
4
0
5
B307
J303
C376
C377
BEAD
1000P
1000P
HP JACK
TP366
2
2
D301
STZ6.8N
A
B
C
D
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Q307
2N3904
R390
TP309
13K
1
Q306
KRA103S
D303
3
3
1
1
Q314
KRA103S
Q309
2N3904
R391
13K
1
1
1
TP313
R310
7.5K
R324
1K
Q315
C381
KRA103S
Q308
22U/10V
C303
KRA103S
1000P
TP314
R311
R325
7.5K
1K
TP326
A+5V
C382
22U/10V
L301
10UH
L303
10UH
C302
C367
0.1U
10U/10V
1
20
RESET
A_MUTE
2
19
VL
AOUT_A-
3
18
SDATA/DSD
AOUT_A+
4
17
SCLK/DSDB
VA
5
16
LRCK/DSDMODE
AGND
6
15
MCLK
AOUT_B+
7
14
M3/DSDCLK
AOUT_B-
SCL
8
13
M2
B_MUTE
SDA
9
12
M1
CMOUT
10
11
M0
FLT+
C383
22U/10V
CS4391
U301
C384
22U/10V
Q302
KRA103S
TP352
L312
TP339
10UH
A+3.3V
3
2
A+3.3V
A+5V
L311
10UH
R364
R363
0
0
C387
TP343
10U/10V
C346
GT301
0.1U
TP348
CE322
TP347
TP345
TP341
R365
R360
47U/6.3V
330
220
B300
10uH
TP346
R366
R359
B304
BEAD
330
220
B301
10uH
CE323
47U/6.3V
TP342
C361
C362
TP344
C388
470P
470P
10U/10V
R357
100K
TP353
TP3A7
C391
TP362
47U/6.3V
R371
0
TP363
R372
0
C392
47U/6.3V
C393
R351
0
47U/6.3V
R303
0
C394
47U/6.3V
E
F
G
H
Q316
Q310
2N3904
2N3904
1
1
Q311
TP310
2N3904
Q317
2N3904
R384
1
1
8.2K
R312
1.8K
C304
270P
TP318
C385
R313
TP319
TP317
R320
TP320
R323
TP322
10U/10V
1.8K
100
220
C305
270P
C306
0.1U
A+5V
L302
10UH
A-5V
C359
R315
270P
1.8K
R314
7.5K
C356
1000P
C311
R317
270P
1.8K
C386
R319
TP321
R326
TP323
100
10U/10V
220
R318
R316
7.5K
8.2K
R358
560
TP327
TP340
L310
10UH
A-5V
TP328
R356
560
SP_L+
TP3A8
SP_R+
R337
R
AUDIO_5V
1uF/10V
C320
MR_OUT
1uF/10V
C321
R339
8.2K
C324
C325
ML_OUT
1uF/10V
C327
R346
8.2K
1uF/10V
C328
R5
AUDIO_5V
R335
8.2K
VOL_CTRL
R340
1K
I
J
K
L
3-37
3-38
6
A_VIDEO_IO_CON
6
A_AUDIO_CD_CON
1
Q312
2N3904
1
Q313
2N3904
TP331
TP332
L306
10UH
A-5V
TP324
C316
C365
0.1U
0.1U
TP354
R352
0
TP338
TP325
TP333
L305
10UH
A+5V
C315
C366
0.1U
0.1U
TP351
C390
C389
10U/10V
10U/10V
E+5V
GND
A_MUX_OUT_L8
A_MUX_OUT_R8
TP329
TP330
R350
open
R344
AUDIO_5V
Q318
R348
1k
10k
1
3904
U306
GND
1
24
PGND
ROUT+
SPR-
R336
1K
2
23
ROUT-
SE/BTL
3
22
PVDD
HP/LINE
TP365
R338
100K
4
21
VOL_CTRL
RHPIN
VOLUME
TP355
R341
4.7K
C323
+
C322
AUDIO_5V
5
20
RLINEIN
SEDIFF
2.2uF
10uF/10V
AUDIO_5V
1uF/10V
R342
4.7K
6
19
RIN
SEMAX
R343
open
7
18
VDD
AGND
1uF/10V
+
8
17
LIN
BYPASS
C326
R304
2.2uF/10V
10k/open
R345
R305
0
9
16
LLINEIN
FADE
open
Q319
R347
0
10
15
LHPIN
SHUTDOWN
R305
open
3904/open
R349
SPL+
11
14
1
PVDD
LOUT+
R
SPL-
12
13
LOUT-
PGND
GND
TPA6011
CON302
0
7
7
6
A_SP_AMP_EN
6
2
6
2
5
5
4
1
4
1
3
3
VOL2
M
N
O
P
R353
0
1,6,7
1,2,3,5,6,7,8
/SP_MUTE 3
SP_R-
5
SP_R+
5
A+5V
L314
TP356
10UH
L307
10UH
A+5V
CE317
220U/6.3V
SP_L+
5
SP_L-
5
Q
R
S
T
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