Sharp SD-AT50H Service Manual page 39

CH 1
A+5V
3
CA233
0.1
2
+B
UT
CA243
CA241
+B
CA245
CA247
CA249
CA251
0.1
10 VKK
+B
11 GND
12
LINB
112
CA211
13
HINB
33 0.33
14
VBOOTB
15
VBBB
DA209
16
NC
SFPW56
17
OUTB
18 SB
ICA207
SLA5505M
CA269
1
SWITCHING AUDIO
11
CA275
12
0.1
A116
CA215 CA217
1.5
1.5 1.5
A120 CA219 CA221
0.01 0.01 0.01
RA144 QA202 RA243 RA245
KTC3875 GR 15K
15K 15K
CA227 RA247
46
W) 0.22
47(5W)
CNS801
P37 12 - A
OM POWER PWB
• The numbers 1 to 6 ,
7
4 5
RA201
RA200
3.3K 3.3K
ANALOG IN L-CH 2
RA203
8.2K
RA204
CA201
120K
CA232
10/16
47/25
RA206
RA209
120K
20K
CA231
0.1 CA277
RA250 100P
1K (CH)
RA231 75K
RA233 75K
RA230 75K
RA232
24 23 22 21 20 19 18
75K
3
4
1 2 3 4 5 6 7 8
CA236
47/25
+B
2
1
CA235
0.1
+B
+B
RA213 RA212 RA210
RA211
CA238
100
100 100
100
0.1
DA205 DA207 DA206
KDS160 KDS160 KDS160
+B
+B
12 13 9 10 5 4 2 1
14
QUAD 2 INPUT
7
8 6 3
11
RA221 RA220 RA218
220 220 220
5 6
CA244
0.1 CA242
+B
100/16
+B
0.1 CA246
100/16 CA248
0.1 CA250
VCC 9 10
VKK
+B
CA252
VDD 8 11
GND
+B 0.1
LINA 7 12
LINB
CA213
CA210
13
HINA 6 HINB
0.33
0.33
VBOOTA
5 14
VBOOTB
VBBA 4 15
VBBB
DA208
NC 3 16
NC
SFPW56
OUTA 2 17 OUTB
1
SA 18 SB
ICA202
SLA5505M
ICA207
SWITCHING AUDIO
POWER AMP. POWER AMP.
RA228
RA223 RA227 RA235 RA239 RA240 RA224
RA236
2.7K 150 820 2.7K
820 560 560 150
RA238 RA234
560 150 RA226 RA222
820 2.7K
QA201
KTC3875 GR
DA217 QA200
1
KDS120E 3 KTC3875 GR
2
LFA201
LFA200
5 6 7 8
CNA101
11 , 12 are waveform numbers shown in page 43.
8
Figure 39 SCHEMATIC DIAGRAM (10/11)
P36 6 - H
FROM POWER PWB
CNS803A
6
ANALOG IN R-CH 2
RA202
8.2K
CA200
10/16
RA208
20K
17 16 15 14 13
9 10 11 12
RA282
100
+B
ICA201
TC74AC8T
AND GATE
100/16
0.1
+B
+B
0.1
100/16
0.1
CA351
+B
VCC 9
VDD 8
+B
LINA 7
CA212 CA311
HINA 6
0.33 0.33
VBOOTA
5
VBBA 4
DA210 DA309
NC 3
SFPW56 SFPW56
OUTA 2
SA 1
ICA202
11
2
3
1
LA206
LA305
DA330
CA214 CA216 KDS226
CA315
1.5 1.5
1.5
CA218 CA220
CA319
0.01
0.01 0.01
QA302
KTC3875 GR
RA242 RA244 RA343
15K 15K
15K
CA327
CA226 RA246
0.22 47(5W) 0.22
9 10
– 39 –
7
RA301
3.3K
ANALOG IN L-CH 3
RA303
8.2K
A+5V
CA332
RA350
47/25
1K
CA331
0.1
CA377
100P(CH)
RA331 75K
RA333 75K
RA330 75K
RA332
24 23 22 21 20 19
75K
3
4
CA333
0.1
1 2 3 4 5
CA336
47/25
+B
2
1
CA335
0.1
+B
RA311 RA313 RA312 RA310
100
100 100 100
DA305 DA307 DA306
KDS160 KDS160 KDS160
RA315
2.2K
CA307
12P(CH)
+B
12 13 9 10 5 4
14
7
CA339
11 8 6
0.1
RA321 RA320
220
5 6
CA343 0.1
CA341 100/16
+B
CA345 0.1
CA347 100/16
CA349 0.1
0.1
10 VKK VCC 9
+B
CA352
11 GND VDD 8
+B
0.1
12 LINB LINA 7
13 6 CA310
HINB HINA
0.33
CA313
VBOOTA
14 5
VBOOTB
0.33
15 VBBB VBBA 4
DA308
16 NC NC 3
SFPW56
2
17 OUTB OUTA
1
18 SB SA
ICA307
SLA5505M
CA367
0.001
ICA307
SWITCHING AUDIO
POWER AMP.
12
RA323 RA335 RA339
RA327 RA340 RA336
2.7K 820 150 560 560 150
RA338 RA334
RA326
560 150
LA307
CA317
1.5
QA301
KTC3875 GR
CA321
0.01
DA317
QA300
1
KDS120E 3
KTC3875 GR
2
RA345
15K
CA379 CA378
LFA300
0.001 0.001
RA347
47(5W)
LFA301
4 3 2 1
CNA103
CNS802A
P37 10 - A
FROM POWER PWB
11
SD-AT50H
8 9 10 11 12
RA300
3.3K
ANALOG IN
R-CH 3
RA302
8.2K
RA304 CA300
120K 10/16
RA308
RA306
20K
120K
18 17 16 15 14 13
6 7 8 9 10 11 12
RA382
100
+B
CA338
0.1
+B
2 1
ICA301
TC74AC8T
QUAD 2 INPUT
AND GATE
3
RA318
220
220
CA344 100/16
CA342 0.1
+B
+B
CA346 0.1
CA348 100/16
CA350 0.1
+B
10
VKK VCC 9
VDD
11 8
GND
+B
LINA
12 7
LINB
CA312
13 HINA
6
HINB
0.33
VBOOTA
14
5
VBOOTB
VBBA
15 4
VBBB
NC
16 3
NC
OUTA
17 2
OUTB
SA
18
SB 1
ICA302
SLA5505M
CA370
CA360
0.001 0.01
ICA302
SWITCHING AUDIO
POWER AMP.
RA328 RA324
2.7K
820
RA322 LA304
820 2.7K
CA314 CA316
1.5 1.5
RA348
5.6K
CA318
CA320
0.01
0.01
RA342
15K
RA344
15K
RA346
CA326
47(5W)
0.22
12