Schematic Diagram - Surround Board (2/2) - Sony HCD-ZX80D Service Manual

7-34. SCHEMATIC DIAGRAM – SURROUND Board (2/2) –
(2/2)
SW IN
A5
SW LINE MUTE
A6
A7
(Page 56)
STK MUTE
A8
OVELOAD
A9
(Page 56)
DC DETECT
A1
AC CUT DETECT
A2
A3
SW RY
A4
(Page 56)
CN700
13P
SW SW IN
SW A-GND
SW LINE MUTE SW LINE MUTE
SW SPK RY SW RY
STK MUTE STK MUTE
UNREG
UNREG
OVELOAD OVELOAD
DC DETECT DC DETECT
DVD LINE MUTE
(Page 50)
CENTER SPK SWITCH
REAR RELAY REAR RELAY
CENTER RELAY CENTER RELAY
CN701
8P
+9V
L+R
AGND
CTR-IN CENTER
AGND
SL-IN SL-IN
AGND
SR-IN SR-IN
(Page 48)
HCD-ZX80D/ZX100D
(ZX100D)
C796
(ZX100D)
22
C743 C753 C703 100V
C710 R710 100p 100p 100p
12p 47k
R794
100
R770
R771
0.22
1k
5W
R742 R752
∗
Q770 750
R772 2SC3906K
27k R741 C741 C752
OVER LOAD C742
47k 220p 220
220
DETECT 10V
10V
D770
MA111-TX
R740
1k
C721
C740
R773 22
4.7
100k 50V
50V
OVELOAD
R727
33k
C750 R750 C751 R751
4.7 1k 220p 47k
50V
C702 R702
∗
220
10V
(ZX80D) ∗
R702,752
390(ZX100D)
JW797 430(ZX80D)
JR700 R701
0 47k
C701
(ZX100D)
R746 R756 R706 220p
10k 10k 10k
R700
1k
C700
4.7
50V
Q740 Q750 Q700
2SD2114 2SD2114 2SD2114
MUTING MUTING MUTING
R745 R755 R705
C744 R743 47k R753 47k 47k R703
4.7 1k 1k 1k
50V
R744 R754 R704
10k 10k 10k
C704
C754
JW798 4.7
4.7
50V
50V
C791
JW710
0.01
C792
0.01
CENTER
POWER AMP
IC702
STK412-240(ZX80D)
STK413-430(ZX100D)
R793
1
C795
22
100V
R796
3.3k JR797
JW790
1W R799 0
JW795
R795 3.3k
100 1W
JW793
C794
100
R780 100V
0.22
5W
JW796
R726 R781 D720 R725
33k 1k MA111-TX 47k Q720-722
STANDBY SWITCH
Q721
2SA1207
R724 C793
33k 100
100V
R730
0.22
5W R723
2.2k
C712 R731
12p 1k C770 R774
0.068 68k
R722
22k C771
0.068
R712
47k R775
R711 Q720 10
47k 2SC2712 1/2W
(ZX100D)
R721
10k
DC DETECT
C711
12p
R720
10k R784 R734
47k 56k
C780
0.068
R782
27k
Q780 C781
2SC3906K 0.068
OVER LOAD DETECT
D780
R785
MA111-TX R783
10
100k
1/2W
R735
10
1/2W
D730
R733
MA111-TX Q730
100k
2SC3906K
C731
OVER LOAD DETECT 0.068
R732
27k C730
0.068
57 57
JW791
∗R765
82 1/2W(ZX100D:MX)
100 1/2W(ZX100D:E2,E3,E51,SP,MY)
(ZX100D) D765 D763 D764 (ZX100D)
MA111-TX MA111-TX MA111-TX
L770
RY761
-1
R788 R778 R779 R776
47k 47k 47k 10
1/2W
-2
(ZX100D)
D761 R737 R787
MA111-TX 10 10
R765
∗ 1/2W 1/2W
L780 C732 C783
100000p 100000p
JR792
0
R786 C733 C782
10 100000p 100000p
RY760 1/2W
-1
-2
R736
10
1/2W
R764
∗
D762 L730
MA111-TX Q762
2SC2712
Q763
RELAY DRIVE
2SC2712
RELAY
R768
2.2k DRIVE
REAR RELAY CENTER RELAY
R766
2.2k
R769 R767
22k 22k
JR791
0
(ZX100D)
Q765
2SD2114
PROTECT
R798 R797 SWITCH
1k 22k
∗R764
82 1/2W(ZX80D:MX/ZX100D:MX)
ZX80D:US,E2,E3,E13,E51/
100 1/2W
ZX100D:E2,E3,E51,SP,MY
AC CUT DETECT
HCD-ZX80D/ZX100D
Ver. 1.1
NO700
9P
+VH
+VL
SURR POWER GND
REAR R GND
REAR L GND
-VL
-VH
(Page 53)
CENTER GND
FAN DETECT
(Page 56)
NO701
3P
R777
10
1/2W
C773
100000p
C772 TM701
100000p
JW746
CENTER SPEAKER
TM700
L
SURR SPEAKER
R
EP700
(CHASSIS)