Schematic Diagram - Amp Board (2/2) - Sony SA-WSIS10 Service Manual

4-11. SCHEMATIC DIAGRAM – AMP Board (2/2) –
1 2 3
AMP BOARD (2/2)
A
Q471,472
OVER LOAD DETECT
B
R471
100k
C471
2.2
15.7 15.7
15.7 15.7
C Q471 Q472
2SA1235TP-1EF
2SA1235TP-1EF
0 0
2
C366
2200p
D
3
C365
2200p
R364
3.3
C368 C367 C364
1 100
0.1
35V
E
F
G
R361
0
C361
1
4
H
5
6
11
AMP
BOARD
7
I (1/2)
(Page
20)
12
R252
47
8
J
C251 0.1
C252 0.1
R254
10k
K
L
10
9
M
11
1
12
14
13
15
N
16
17
SA-WSIS10/SS-IS10
• See page 26 for Waveforms. • See page 26 for IC Block Diagrams.
4 5 6 7
Q473,474
OVER LOAD DETECT
R475 100k
R472
100k R476
100k
R473
100k
C472
2.2
15.7 15.7
15.7 15.7
C541
1000p
Q473 Q474
0 0
2SA1235TP-1EF
2SA1235TP-1EF
L364
10uH
C370 L362 L363
10uH 10uH C380
L361 2200p C384
10uH 2200p
2200p
C369
2200p
C379
2200p
R367
C382
1 3.3
R368
3.3
IC B/D
36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19
IC361
DIGITAL
POWER AMP
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
R370
C377 0
C362 0.1 R259
1 100
C389
R366 C391
47
22k 1
16V
C253 C254
0.1 0.1
C257
47
16V
R309
0
IC B/D
12 11 10 9 8 7 6 5 4 3 2 1
R232 R310
0
1.6 47
13 48
XOVSS XFSOIN
1.6 3.3 C258
14 XFSOOUT XVDD 47
0.1
3.3 3.3
15 HPVDDL 46
XOVDD
1.8
C259
16 DVDD HPOUTL1 45
0.1
IC251
17 HPVSSL 44
DVSS
3.3
18 NSPMUTE STREAM PROCESSOR HPOUTL2 43
0 3.3
IC251
19 SOFTMUTE HPVDDR 42
CXD9876R
3.2
C260
20 PGMUTE HPOUTR1 41
0.1
0
21 SCDT HPVSSR 40
0
22 SCSHIFT HPOUTR2 39
3.2 1.6
23 SCLATCH FSOI 38
3.2
OVF
24 FSOCKO 37
FLAGR
25 26 27 28 29 30 31 32 33 34 35 36
R253
470
R262
C256
100
0.1
8 9 10 11 12
Q461,462
OVER LOAD DETECT
R463
100k
R461
R462
100k
100k
C461
R464
2.2
100k
15.7
15.7
Q461 15.7
C462
2SA1235TP-1EF
15.7 2.2
15.7
Q462
2SA1235TP-1EF
0
15.7
0
Q463
0 2SA1235TP-1EF
L322
10uH
C330
2200p
L321
10uH
C329
2200p C326
2200p
C325
2200p
R325
3.3 R324 C333
3.3 0.1
C393
2200
35V
C323
0.033
36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
R239
R321 100
C321
C390
0 1
0.1
R326
22k
C322
R371
1
C392
0
1
C337 0.1
C233 C234
0.1 0.1
C237
47
16V
13
IC B/D
12 11 10 9 8 7 6 5 4 3 2 1
1.7
13 48
XOVSS XFSOIN
1.6 3.3
14 XFSOOUT XVDD 47
C231 3.3 3.3
0.1 15 46
XOVDD HPVDDL
1.8
C232
16 DVDD IC231 HPOUTL1 45
0.1
R243
17 44
10k DVSS HPVSSL
3.3 STREAM PROCESSOR
18 NSPMUTE IC231 HPOUTL2 43
0 3.3
CXD9876R
19 SOFTMUTE HPVDDR 42
3.2
20 PGMUTE HPOUTR1 41
0
21 SCDT HPVSSR 40
0
22 SCSHIFT HPOUTR2 39
3.2 1.6
23 SCLATCH FSOI 38
3.2 1.6
FSOCKO
OVF
24 37
FLAGR
25 26 27 28 29 30 31 32 33 34 35 36
R234
470
R233
10k
R242
C224 R244
100
0.01
C236 0
0.1
21 21
13 14 15 16
Q463,464
OVER LOAD DETECT
R465 100k
R466
100k
C532
1000p
C534
C531
1000p
Q501 1000p
DC DETECT
15.7
Q501
2SC3052EF-T1-LEF
Q464 3.3
R501
0 2SA1235TP-1EF
0
0
L324
C344
10uH
2200p
L323
10uH
C343
2200p
C338
100
35V
C346 R328 R502
C332
C341 35V 3.3 100k
100
0.1 100
35V
C335
C342 R327 C353 C218
C347 C345
2200 2200
1
3.3 0.1 1 0.1
35V 35V
C219
C352
220
1
16V
IC B/D
20 19
IC321
DIGITAL
POWER AMP
17 18
C351
1
C350
0.1
R330
0 C349
47
16V
14
R311
0
OUT
GND
R312 ∗
1.7 IN
0
VCC NC
3.3
IC222
R222
TC7SHU04FU(T5RSOJF)
C222
22
1000p
IC222
C238
0.1
OSC BUFFER
FL221
EMI
C239
0.1
G
C240 C226
C229
0.1 0.01
5p
R216 0
C227 100
C221 R217
220
10p
10V
R203 1k
OVF3
L221 1k
OVF2 R204
10uH
1k
OVF R205
R221
SCLATCH4 R206 1k
0
R208 100
SCLATCH3
100
SCLATCH2 R209
1.8 1.3 100
SCLATCH1 R210
VOUT NP
100
SCSHIFT R211
GND
3.3 3.3 SC_DT R212 100
VIN CONT
SOFTMUTE R213 100
IC221 INIT R214 100
TK11118CSCL-G
C228
1000p C201 C203 C206 C210
1000p 100p 100p 0.1
IC221
C225
C204
+1.8V REGULATOR 100p
1
IC B/D
C223
100
16V
SA-WSIS10/SS-IS10
17 18
CN541
6P (Page 23)
6 NC
5 SL-
G
4 SL+
3 SR- SPEAKER
BOARD
1
SR+
CN101
CN531
5P
5 FL-
H
4 FL+
3 FR-
SPEAKER
BOARD
1 FR+
CN101
(Page 23)
C533
1000p
CN218
4P
4 32.0V
J
3 32.0V
2 P-GND POWER
BOARD
1 P-GND
CN904
(Page 25)
ET403
ET202
ET503
(CHASSIS)
CN202
L219
2P
10uH
B
2 A12V
1 3.3V
L218 DSP BOARD
(2/2)
10uH
CN601
(Page 17)
R215
CN201
1k
23P
1 DC_DET
2 DIAG
3 EN
4 OVFF3
5 OVFF2
6 OVFF1
7 LAT4
8 LAT3
9 LAT2
A
10 LAT1
11 SHIFT
DSP BOARD
(2/2)
12 SCDT
CN875
13 SOFT_MUTE
(Page 17)
14 NS_INIT
15 AMP_MCKO
16 DGND
17 AMP_BCKO
18 AMP_LRCK
19 AMP_D1
20 AMP_D2
21 AMP_D3
22 AMP_D4
23 DGND