Schematic Diagram - Pa Board - Sony HCD-ZX80D Service Manual

7-31. SCHEMATIC DIAGRAM – PA Board –
(Page 66)
NO604
2P
(ZX100D)
NO600
7P
AC1
AC1
GND
GND
GND
AC2
(Page 66)
AC2
CN602
9P
+VH
+VL
SURR POWER GND
REAR R GND
REAR L GND
-VL
-VH
CENTER GND
(Page 57)
FAN DETECT
JW1283
CN607
5P
SW RC GND (ZX80D)
VIRTUAL GND
(ZX100D)
-VL
+VL
AC CUT DETECT
JW1285
C660
(Page 56)
(ZX80D)
0.1
EP660
(CHASSIS)
NO601
3P
HP-L
HP-GND
HP-R
(Page 41)
HCD-ZX80D/ZX100D
3
1
4 D656
D25XB60
2
C656
R656 R657 3300
220k 220k 100V
R612
100
C676
R676 R677
3300
220k 220k
100V
D658
RBV1306(ZX80D)
3 C618
D25XB60(ZX100D)
22
1
100V
4
2
R615
C619 100
C658
R658 22 MA111-TX
4700
100k 100V R613 R614
50V
1k 1k
C610
1W 1W
10
100V
C678
R678
4700
100k 2SC3906K
50V
OVER LOAD
Q606
2SA1207AA R698 D609 R694
100k MA111-TX 68k
R608
100k
R609 R610 C608
68k 68k 22 R611 Q610
R693 50V 33k 2SC3906K
R606 100k T146E
47k Q604
2SC3906K
T146E Q604,606,610
STANDBY SWITCH
R604
R607 R692 10k
2.2k 47k
R605
10k R640
1k
Q634,682 R697 C635
2.2k 100 R635
MUTING CONTROL SWITCH
25V 10k
C634
R634 100
R683 2.2k 25V
4.7k
R663 R643 R641
Q634 R638 R639 150 150 1k
DTA124EKA
100k 100k
R682
1k
Q682
2SC2712-YG-TE85L
C604 C654
100p 100p
R616
1
R618 R668
0.22 0.22
C609 5W 5W R652
10 390
100V
R619
1k
C616 C666
0.068 0.068
R624
C617 C667 22k
0.068 0.068
R620
18k
D620 R625
R622 R672 C602 C652 ∗
10 10 220 220
1/2W 1/2W 10V 10V
C606
0.1
R669 D670
Q618 1k MA111-TX
T146E
Q668
2SC3906K R670
DETECT T146E 18k C601 C651
0.0022 0.0022
OVER LOAD
DETECT
D624
R601 R651
MA111-TX
R621 47k 47k
150k R671
150k
R673
R600 R650 56k
1k 1k
R623
C636 C600 C650 C637
68k
4.7 4.7 4.7 4.7
100V 50V 50V 100V
R637
R636
820
Q640 820
R642 R662 2W
2SD2114KT146 2W
150 150
TB-E
MUTING
Q641
2SD2114KT146
TB-E
MUTING
AC CUT DETECT
FR RELAY PROTECT
53 53
POWER AMP
IC600
STK412-240(ZX80D)
STR412-230(ZX100D)
(ZX100D)
R628 R630
Q630 22k 100k
2SC2712-YG-TE85L
R629
5.6k
Q628
2SC2712-YG-TE85L
TH629
∗
R625 Q628,630
2.2k(ZX80D) THERMAL DETECT
22k(ZX100D)
R674
22k
D655 D654 R690 R691
C655
MA111-TX MA111-TX 10 10 C691 C692
10
R631 1/2W 1/2W 100000p 100000p
50V
100k R655 R654
47k 47k
-1 L690
L680
-2
R680 R681 C681 C682
10 10 100000p 100000p
1/2W 1/2W
TH630
RY646
D646
JR612 MA111-TX
0
R646
100
1/2W
R644
R633 2.2k Q644
0 2SC2712-YG-TE85L
RELAY DRIVE
Q647
2SC2712-YG-TE85L
PROTECT SWITCH
R645
10k
R648 R647
22k 1k
Q648
2SC2712-YG-TE85L C649
D661 D660
R685 10 R649
OVER LOAD DETECT MA111-TX MA111-TX
10k 50V 22k
R661 R660
4.7k 4.7k
C648
100
10V
HCD-ZX80D/ZX100D
Ver. 1.1
TM600
R
FRONT SPEAKER
L
C693 C683
0.1 0.1
C605
0.1
EP690
(CHASSIS)
CN601
8P
L-IN L-IN
PREGND
R-IN R-IN
DC-DET DC DETECT
OVERLOAD DET OVERLOAD DETECT
THERMAL VACS THERMAL VACS
STK MUTE STK MUTE
H/P MUTE H/P MUTE
(Page 50)
CN600
13P
FRONT RELAY FRONT RELAY
LINK RELAY
AC CUT DETECT AC CUT DETECT
A+9V
FAN DET FAN DET
FR RELAY PROTECT FR RELAY PROTECT
DBFB F/B DBFB F/B
POWER-GND
POWER-GND
DGND
(Page 50)
UNREG
-VL
-VL