Schematic Diagram - Panel/Cd Open/Cd Switch Boards - Sony HCD-RG88 Service Manual

7-24. 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
31
3.3k
32
33
S783
GAME 34
R784
2.2k
35
36
S782
37
GAME MIXING
R783
38
1.5k
39
40
41
R782
1.5k
43
44
S780
SURROUND C622
4.7
SPEAKER MODE
R781 50V
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
DISC 3
R800
150
Q793
BA1A4M
LED DRIVE
AA1
See page 28 for Waveform.
TP601
C652
C651
10
0.1
50V
C711
0.01
P29
P30
P31
P32
P33
P34
P35
P36
P37 FLUORESCENT INDICATOR TUBE DRIVER,
KEY CONTROL
P38
IC601
P39
MB90M407PF-G
-119-BND
VSS-IO
P40
P41
NO-USE
NO-USE
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 EX-CHANGE
DISC SKIP
R799 R798
150 150
Q792 Q791
BA1A4M BA1A4M
LED DRIVE LED DRIVE
AA2 AA3
•
See page 50 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 R614
C609
9G
0.0033
91 C610
10G 10
90
50V
11G
89
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 D608
D795
SELS5223S SEL5923A
SLR325VC
GAME
REC
PAUSE/START
R654 R801 R795 R630
100 220 150 330
R652
10k
Q794 Q795
BA1A4M BA1A4M BA1A4M
LED DRIVE LED DRIVE LED DRIVE
C623 R653
0.001 10k
74
R792
68k
JW619
JW620 S792
S791 JW621 OPEN/CLOSE
JW622
45 45
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
69
TP676
LINE
F03
IN
TP677 68
REC
R612
F04
NF
22k
67
TP678
REC
F05
IN
33k TP679 72
RST.C F06
R618 10k TP680 73
BIAS L+R
GND VCC
C613
R601
6.8
82k
TP681 50V
D612
IIES2
C611
C612 R681 R680
10
0.01 680 330
50V
D614
C618 IIES2
0.01
D607 D606 D605 D604
SEL5923A SEL5923A SEL5923A SEL5923A
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
LED DRIVE LED DRIVE LED DRIVE LED DRIVE
56 54 52 55 53
• Voltages and waveform are dc with respect to ground un-
der no-signal (detuned) conditions.
no mark : TUNER (FM/AM)
HCD-RG88
CN601
30P
TP701 GC-RESET
TP702 IIC-CLK
IIC-DATA
TP703
TP704 SIRCS
KEY INT DISPLAY
TP705
TP706 KEY INT POWER
TP707 POWER LED
D-GND
TP708
TP709 D-GND
TP710 D-GND
D-GND
TP711
GC+4V
TP712
D+4V
TP713
TP714 D+4V
EVER+4V
TP715
TP716 EVER+4V
TP717 EVER+4V
(Page 37)
VF(1)
TP718
TP719 VF(1)
VF(2)
TP720
TP721 VF(2)
TP722 VG
VG
TP723
TP724 A+10V
TP725 A+10V
A+10V
TP726
TP727 A+10V
SPEANA
TP728
TP729 SPEANA
SPEANA
TP730
NO604
8P
64 KEY 0
65 KEY 1
79 VOL 1B
80 VOL 1A
KEY INT DISPLAY
DGND
EVER +4V
(Page 47)
SIRCS
CNS601
R749 8P
270
GC DGND
VCC-CPU
56 S00
54 SI0
53 INT1 (FOR CHECK)
S749
52 INT0
51 MD2
49 MD0