Schematic Diagram - Panel/Cd Open/Cd Switch Boards - Sony HCD-RV7 Service Manual

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3 7 6 3 1 5 1 5 0
7-28. SCHEMATIC DIAGRAM – PANEL/CD OPEN/CD SWITCH Boards – •
NO602
6P
DISC 3 LED 59
DISC 2 LED 58
DISC 1 LED 57
+4V
KEY 2
GC DGND
S787
CD
S786
TUNER/BAND
R787
6.8k
S785
TAPE A/B
R786
4.7k
S784
MD(VIDEO)
R785
3.3k
S783
GAME
R784
2.2k
S782
GAME MIXING
R783
1.5k
S781
KARAOKE PON
R782
T E
L 1 3 9 4 2 2 9 6 5 1 3
1.5k
S780
SURROUND
SPEAKER MODE
R781
1k
S779
CD SYNC
HI-DUB
R780
680
66
R779
470
S751
REC
PAUSE/START
64
R751
470
NO603
6P
DISC 3 LED AA1
DISC 2 LED AA2
DISC 1 LED AA3
+4V
KEY 2
D793
SEL5923A
GC DGND
w w w DISC 3
R800
150
BA1A4M
.
LED DRIVE
See page 35 for Waveform.
TP601
C652
C651
10
0.1
50V
C711
0.01
31
P29
32
P30
33
P31
34
P32
35
P33
36
P34
37
P35
38
P36
39
P37 FLUORESCENT INDICATOR TUBE DRIVER,
40
KEY CONTROL
P38
41 IC601
P39 MB90M407PF-G
-119-BND
VSS-IO
43
P40
44
P41
NO-USE
C622
4.7
NO-USE
50V
NO-USE
VKK
MD0
MD1
R662
10k
R661
10k
C712
0.01
R657 R659
15k 15k
R658
15k
R788 R789 R790 R791
10k 15k 22k 33k
S788 S789 S790
D792 D791
SEL5923A SEL5923A
DISC 2 DISC 1 DISC 1 DISC 2 DISC 3
R799 R798
150 150
x a o
y
Q793 Q792 Q791
BA1A4M BA1A4M
i
LED DRIVE LED DRIVE
AA1 AA2 AA3
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8
•
See page 54 for IC Block Diagram.
FL601
FLUORESCENT INDICATOR TUBE
C710
0.01
100
1G
99
R606
2G
270k
98
3G
97
R607
4G
270k
96
5G
R682
95
22k
6G
C608
94
10 R611
7G
50V 47k
93
8G
92
C609
9G
0.0033
91 C610
10G 10
90 50V
Q Q 11G
89 3 7 6 3
12G
88
13G
87
R613
14G
27k
86
15G
NO-USE
VCC-CPU
X1 C619
C620
47
0.01
X0 10V
R660
VSS-CPU X601
1M
4MHz
VOLUME-A
D794
D795
SELS5223S
SLR325VC
REC
PAUSE/START
R654 R801 R795 R630
100 220 150 330
R652
10k
Q794 Q795
BA1A4M BA1A4M
C623 R653 LED DRIVE LED DRIVE
0.001 10k
74
R792
68k
JW619
JW620 S792
S791 JW621 OPEN/CLOSE
JW622
EX-CHANGE
DISC SKIP
u 1 6 3
.
49 49
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2 4
9 9 8
R646
100
R647
100
C653
10
50V
77
R645
10k
61
60
D610
MTZJ-T-72-5.1B
BAND-PASS
FILTER
IC602
BA3830F-E2
R02 RST
TP674 71
R01 F01
TP675 70
LINE
F02
NF
TP676 69
LINE
F03
IN
TP677 68
R612 REC
F04
NF
22k
TP678 67
REC
F05
IN
R614 33k TP679 72
RST.C F06
R618 10k TP680 73
BIAS L+R
GND VCC C613
R601
1 5 1 5 0 8 6.8 9 2 4
82k
TP681 50V
C611
C612 R681 R680
10
0.01 680 330
50V
C618
0.01
D608 D607 D606 D605 D604
SEL5923A SEL5923A SEL5923A SEL5923A SEL5923A
GAME MD(VIDEO) TAPE A/B CD TUNER/BAND
R629 R628 R627 R626
330 330 330 330
Q605 Q604 Q603 Q602 Q601
BA1A4M BA1A4M BA1A4M BA1A4M BA1A4M
LED DRIVE LED DRIVE LED DRIVE LED DRIVE LED DRIVE
56 54 52 55 53
m
c o
• Voltages and waveform are dc with respect to ground un-
der no-signal (detuned) conditions.
no mark : TUNER (FM/AM)
HCD-RV7/RV8
2
9 9
CN601
30P
TP701 GC-RESET
TP702 IIC-CLK
TP703 IIC-DATA
TP704 SIRCS
TP705 KEY INT DISPLAY
TP706 KEY INT POWER
TP707 POWER LED
TP708 D-GND
TP709 D-GND
TP710 D-GND
TP711 D-GND
TP712 GC+4V
TP713 D+4V
TP714 D+4V
TP715 EVER+4V
TP716 EVER+4V
TP717 EVER+4V
(Page 41)
TP718 VF(1)
TP719 VF(1)
TP720 VF(2)
TP721 VF(2)
TP722 VG
TP723 VG
9 8 2 TP724 9 9 A+10V
TP725 A+10V
D612
IIES2
TP726 A+10V
TP727 A+10V
TP728 SPEANA
TP729 SPEANA
TP730 SPEANA
D614
IIES2
NO604
8P
64 KEY 0
65 KEY 1
79 VOL 1B
80 VOL 1A
KEY INT DISPLAY
DGND
EVER +4V
(Page 51)
SIRCS
CNS601
R749 8P
270
GC DGND
VCC-CPU
56 S00
54 SI0
53 INT1 (FOR CHECK)
S749
52 INT0
51 MD2
49 MD0