Block Diagram - Video Cd Section - Sony hcd-vx888 Service Manual

HCD-VX888
Q Q
6-4. BLOCK DIAGRAM – VIDEO CD Section –
3 7 6 3 1 5 1 5 0
HEADPHONE SW
MAIN SECTION
H
(Page 24)
MAIN SECTION VIDEO SWITCH
L
(Page 24)
SPEANA
MAIN SECTION
K
(Page 24)
J721
MIC 2
J722
MIC 1
MIC SIG
MAIN SECTION
J
(Page 24)
IIC DATA
TUNER/CD SECTION
D
IIC CLOCK
(Page 23)
T E
L 1 3 9 4 2 2 9 6 5 1 3
PROTECT
MAIN SECTION
I
MOTOR B+
(Page 24)
XRST
VIDEO CD SECTION
F
(Page 25)
w w w
IC722 (1/2)
3 1
DIGITAL
ECHO AMP
IC721
LPF2
2 LPFIN
OUT
30 29 41
CD POWER 38
SYSTEM CONTROLLER
IC501 (3/3)
Q575
43 XRST RESET 12
AC CUT 100
STBY RELAY 84
x a o
y
SIRCS 4
. XC IN XC OUT i X IN X OUT
10 11 15 13
X501 X502
32.768kHz 16MHz
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IC602
17
6 ı
SPEANA 12
5
BPF
4
3 11
S768 – 781
IC722 (2/2) FUNCTION
KEY
6 7
S753 – 767
FUNCTION
KEY
S601 – 606
S791 – 795
FUNCTION
KEY
9
S751
ROTARY
ENCODER
VOLUME
X601
4MHz
Q Q
3 7 6
A+12V
TC A+12V
IC921
MIC A+12V
+12V
ST A+12V 3 1
REG
IC911 Q911, 912
CD D+5V (SW)
+5V CD POWER
CD A+5V (SW) 3 1
REG SWITCH
D952 IC951
TC D+5V
D953
+5V
AUDIO +5V 3 1
REG
D509
VREF (IC501)
D510
D +5V
VCC (IC501)
D579 D580
IC961
+9V
TC M+9V
3 1
REG
D920 – 922
CDM M+7V
D511
LED +7V
IC616
STBY +5V
+3.3V
3 1
+3.3V
REG
D508
IC502
D577
RESET SIGNAL
3 1
GENERATOR
REMOTE
u 1 6 3
CONTROL
RECEIVER
IC603
26 26
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2 4
8 9 9
FL601
DISPLAY CONTROLLER,
LED DRIVE
FLOURESCENT
IC601
INDICATOR TUBE
78 HEADPHONE 6
ı
10 F1 F2
VIDEO
76
12
SWITCH
ı
P1
71 22
ı
BPF 0
ı
24
P39
ı
67
ı
BPF 5
72 41
43
ı
73 ALL BAND
47
5
ı
G1
64 KEY0 1
ı
100
G13
ı
93
D608, 609
65 KEY1
D612 – 618
TUNER 55
S601 – 605
CD 57
LED
TAPE A/B 54
DRIVER
MD/VIDEO 56
66 KEY2
GAME IN 58
D791 – 793
S791 – 793
80 VOL A
DISC1 59
LED
79 VOL B
DISC2 74
DRIVER
DISC3 75
83 XIN
Q751
D751
LED
82 XOUT REC/PAUSE 52 PAUSE REC/START
DRIVER
Q752
D752
LED
60 IIC DATA ENTER 53 ENTER
DRIVER
61 IIC CLOCK
77 RESET VKK 48 –VG
3 1 5 1 5 0 8 9 2
T910
Q941 (EXCEPT E91)
POWER
D977
TRANSFORMER JW973
–VG –V
REG
(–32.2V)
D824 D822
D543
D911 D910
JW972
+VH
–VH
F971
POWER
D541
AMP
(IC501)
+VL
–VL
D901 – 904
B+
D906 – 909
(+13.9V)
(RY801)
F1
F2
T972
POWER
TRANSFORMER
D972 – 975
IC971
JW986
EVER +5.7V
+5.7V
3 1
REG
(E91)
Q971
RY971
m
RELAY
DRIVE
c o
.
2
8 9 9
• Abbreviation
E3: 240V AC Area in Emodel
E91: 220V AC Area in Emodel
EA: Saudi Arabia model
SP 2/6: Singapore model
IA: Indonesia model
4 9 8 2 9 9
(E91)
JW974
(EXCEPT E91)
S901
VOLTAGE SELECTOR
120
220
230 – 240
120
220
230 – 240
(EXCEPT E91)
AC OUT
TO
SATLLITE
AMPLIFIER
(TA-DX80)
AC IN
(EXCEPT IA)
RY972