Schematic Diagram - Sp-Conn Board - Sony HCD-DH50R Service Manual

5-16. SCHEMATIC DIAGRAM - SP-CONN Board -

1 2
SP-CONN BOARD
A
B
C
(DH70SWR)
D
J666
1P
SUBWOOFER
E
CN670
8P
F
SUBWOOFER-MUTE 8
AGND 7
M
EVER+3.3V 6
SUBWOOFER-ON 5
MAIN
FAN+11V 4
BOARD
(2/3)
FAN-GND 3
CN501
(Page 38) P-MONI 2
FAN-ON 1
G (DH50R)
CN669
4P
L
FAN+11V 4
FAN-GND 3
MAIN
P-MONI 2
BOARD
(2/3)
FAN-ON 1
CN508
(Page 38)
HCD-DH50R/DH70SWR
3 4 5
C671
1
50V
C687
8p
R668
47k
C688
R697 R662
0.1 47k 4.7k
R661
3.9k
4 3 2 1
IC666 GND
LOW-PASS
FILTER +
-
IC666
VCC
NJM4558M-TE2
5 6 7 8
R660
10k
R670
1k
Q666 Q667
2SC3052EF-T1-LEF 2SC3052EF-T1-LEF
0
MUTING MUTING
0.7 0.7
R669 C669
C681
10k 0.01
0.1
R673
R672 C678 C693
4.7k
4.7k 1
1
Q668, 669
MUTING CONTROL
Q668
RT1P141C-TP-1
3.3 3.3
0
3.3
Q669
RT1N141C-TP-1
6 7 8
R665
C676
R695
47k
1
47k
50V
R664
1k
C689 C690 C692
100 47 2.2
10V 16V
50V
R696
1k
R663
470
R698
47k
R699 47k
R659 47k
R671
C691
1k
0 2.2
50V
R658
C667 C668
C670 R666 R667
47k
4700p 4700p
0.01 3.3k 3.3k
C679
R694 R690
47
4.7k
47k
16V
Q670
KTC3203Y-AT
11.5 5
R686
10
R678
1k
5.5
R687
Q671
10
R674 2SC3052EF-T1-LEF
4.7k 3.3
0
R675
Q674
100
RT1P141C-TP-1
C673
R676
100
3.3k
10V
Q675
RT1N141C-TP-1
R677 R693
1.5k
47k
Q670, 674, 675
FAN MOTOR DRIVE FAN MONITOR
41 41
9 10
C685 C684
0.22 0.22
R688
R683
1k
10k
R680
C675
47k
1
Q672
R679
2SC3052EF-T1-LEF
10k
0 4.7
0.4 0.5
R681
10k
Q673
2SC3052EF-T1-LEF
C674 D666 R682
C677
100 MA2J1110GLS0 100k
1
10V
Q671-673
HCD-DH50R/DH70SWR
11 12 13
(Page39)
CN667
4P
MAIN
N BOARD
1 L+
(3/3)
CN702
2 L-
3 R+ MAIN
Q
BOARD
4 R-
(3/3)
CN703
(Page 39)
TB666
+
L
-
SPEAKER
+
R
-
C683 C682
0.22
0.22
(CHASSIS)
CN672
3P
1 FAN+ M
M002
(FAN)
C672 2 FAN-
1
3 NC
R684
10k
R685 R692
R691
33 33 33