Schematic Diagram - Sub Woofer Section - Sony HCD-RG490; HCD-RG590 Service Manual

7-28. SCHEMATIC DIAGRAM – SUB WOOFER Section –
EXCEPT RG490:MX/
RG590:MX
(Page 39)
CN501
3P
SW-SIG
SW-SIG GND
SW-ON/OFF
(Page 43)
RG490:MX/
RG590:MX
CN502
6P
+VCC
(RG490)
GND
-VCC
OVERLOAD/DC DETECT
(Page 47)
RELAY+
RELAY-
(Page 49)
(RG590)
HCD-RG490/RG590
1 2 3 4 5 6 7 8
Q507
2SC3052
TEMPERATURE
DETECT
R506
R530 1
R507
22k
4.7k
1W
JW521
C507
JR501 47
C516 C505
0 50V
10 10p
50V
C502
220p R509
100
R504
47k
R503
1k
R505
C504
R502 22
47k 25V
R531 D507 R534
4.7k 1SS355 1
R505
4.7k 1W(RG490)
4.7k 2W(RG590)
Q506
Q505,506
2SC3052
DC DETECT
C514
100
35V
POWER AMP
IC501
STK404-130
9 10 11 12 13
R511
0.22
5W
C508
220p
R510
0.22
5W
R508
4.7k R513
1W 1k
Q501
C513
2SC5625
0.1
OVER LOAD R518
10k
DETECT
R514 C512
22k 0.1
R512 R527 R517
10 10 10k
R525 R526 R515
10 10 47k
D503
1SS355
Q502
2SA1235
RELAY
DRIVE
R523 R522
100 100
R521 R516
100 100
R524 R532 R520
Q505 47k 22k 100k
2SC3052
Q503
2SC3052
TEMPERATURE
DETECT
C517
R533
10
22k
50V
51 51
-2 -1
D504
CN503
1SS355 RY501
4P
HCD-RG490/RG590
CN504
4P
JK501
SUB WOOFER OUT