Schematic Diagram - Surround Amp Section - Sony Aiwa CX-JD5 Service Manual

6-32. SCHEMATIC DIAGRAM – SURROUND AMP Section –
CN303
6P
VF
VF
-VP
EVER+4V
DGND
GC+5V
(Page 56)
CN304
6P
GC+5V
DGND
EVER+4V
-VP
VF
VF
(Page 65)
R301
C301
1k
10
50V
NO301
7P
C302 R302
REAR R
0.001 47k
REAR GND
REAR L
C352 R352
CENTER GND
0.001 47k
CENTER
SUB WOOFER GND
SUB WOOFER
(Page 54)
C351
10 R351
50V 1k
R341
C341
1k
10
50V
C342 R342
0.001 47k
POWER AMP
IC301
STK403-240
R319
100k
C303
220p
C310
10p
R304 R321 R320
47k 1 1
R303
1.2k
C304
10
50V
C354
10
50V
R353
1.2k
C311
10p
R354
47k
C353
220p
C343
220p
R347
1k
R344
47k
Q341
R348
2SC1841T
15k
OVER LOAD
C312
D341 DETECT
10p
1SS133T
-72
R343
1.2k R349
100k
C344
10
50V
R318 R317 R316
8.2k 100k 100k
Q316,317
THERMAL
DETECT
Q316
2SC1841T
Q317
2SC1740
TH301
R315
22k
R311
100
R305
0.22
2W
R310
10
1/2W
C306
0.1
C308
100 C307
50V 0.1
C357
0.1
R308
C356
15k
0.1
Q301
D301
2SC1841T
1SS133T R360
-72 OVER LOAD 10
1/2W
DETECT
R309
100k
D351
1SS133T
-72 R359 D391
100k 1SS133T
R358 -72
15k
Q351
2SC1841T
OVER LOAD
DETECT
R355
R357
0.22
1k
2W
R345
R350
0.22
10
2W
1/2W
C346
0.1 R397
1k
C347
0.1
D491
1SS133T
-72
63 63
R381
1.5k
1/2W
RY381
-1
-2
L381
R382
1.5k
Q381 R394 1/2W
2SA933 220
2W
RELAY
D381 L382
DRIVE 1SS133T
-72
R390 R398
10k 22k
R383
1.5k
1/2W
RY382
-1
-2
L383
1.7µH
Q383 R399 D382
2SA933 220 1SS133T
-72
2W
RELAY
DRIVE
R395 R396
10k 22k
Q384
DTC114ESA
-TP
RELAY
DRIVE
CONTROL
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
CX-JD5
CN302
6P
SURROUND RY
OVERLOAD DETECT
DC DETECT
PROTECT
FAN DETECT
A+9V
(Page 61)
CN371
3P
+VL
GND
-VL
(Page 61)
TM401
6P
+
R
-
SURROUND
SPEAKER
+
L
-
+
CENTER
SPEAKER
-
(CHASSIS)
CN372
3P
GND
GND
GND
(Page 61)