Sony hcd-vx888 - Block Diagram - Video CD Section

HCD-VX888
2626
6-4. BLOCK DIAGRAM – VIDEO CD Section –
78
76
73
64
113
4
5
6
SPEANA
BPF
FUNCTION
KEY
S768 – 781
IC602
65
55
57
54
56
58
FUNCTION
KEY
S753 – 767
LED
DRIVER
S601 – 605
D608, 609
D612 – 618
66
FUNCTION
KEY
ROTARY
ENCODER
S601 – 606
S791 – 795
80
79
VOLUME
S751
PAUSE REC/START
D751
X601
4MHz
83
82
FLOURESCENT
INDICATOR TUBE
DISPLAY CONTROLLER,
LED DRIVE
IC601
FL601
F1 F2
59
74
75
52
LED
DRIVER
S791 – 793
D791 – 793
LED
DRIVER
Q751
ENTER
D752
53
48
LED
DRIVER
Q752
–VG
HEADPHONE
VIDEO
SWITCH
ALL BAND
KEY0
KEY1
KEY2
VOL A
VOL B
XIN
XOUT
60 IIC DATA
61 IIC CLOCK
77 RESET
5
ı
1
ı
93
100
17
ı
12
BPF 0
ı
BPF 5
G1
ı
G13
P1
ı
P39
71
ı
67
72
6
ı
10
12
ı
22
24
ı
41
43
ı
47
TUNER
CD
TAPE A/B
MD/VIDEO
GAME IN
DISC1
DISC2
DISC3
REC/PAUSE
ENTER
VKK
H
L
K
MAIN SECTION
(Page 24)
MAIN SECTION
(Page 24)
MAIN SECTION
(Page 24)
J
MAIN SECTION
(Page 24)
D
TUNER/CD SECTION
(Page 23)
I
MAIN SECTION
(Page 24)
F
VIDEO CD SECTION
(Page 25)
6
IC722 (2/2)
73
IC722 (1/2)
1
DIGITAL
ECHO AMP
IC721
2 9LPFIN
LPF2
OUT
MIC 2
J721
MIC 1
J722
412930
–V
REG
D543
Q941
D977
D822
D824
D910
D911
F1
F2
D541
D901 – 904
120
S901
D906 – 909
D972 – 975
(EXCEPT E91)
(E91)
JW973
JW974
(EXCEPT E91)
(EXCEPT E91)
(EXCEPT IA)
AC IN
F971
220
230 – 240
120
220
230 – 240
AC OUT
TO
SATLLITE
AMPLIFIER
(TA-DX80)
VOLTAGE SELECTOR
+VH
–VG
(–32.2V)
–VH
+VL
–VL
POWER
AMP
(IC501)
T910
POWER
TRANSFORMER
T972
POWER
TRANSFORMER
+12V
REG
IC921
3 1
CD POWER
SWITCH
Q911, 912
+5V
REG
IC911
3 1
+5V
REG
IC951
3 1
+9V
REG
IC961
3 1
+5.7V
REG
IC971
EVER +5.7V
RY971
RY972
3 1
B+
(+13.9V)
(RY801)
A+12V
ST A+12V
MIC A+12V
TC A+12V
TC D+5V
+3.3V
VREF (IC501)
D +5V
VCC (IC501)
TC M+9V
CDM M+7V
LED +7V
AUDIO +5V
CD A+5V (SW)
CD D+5V (SW)
D952
D953
D509
D510
D920 – 922
D577
D579 D580
D508
D511
RESET SIGNAL
GENERATOR
IC502
Q575
3 11243
100
(EXCEPT E91)
JW990
84
4
10
X501
32.768kHz
11
38
RELAY
DRIVE
Q971
+3.3V
REG
IC616
3 1
REMOTE
CONTROL
RECEIVER
IC603
15
X502
16MHz
13
M RESET
IIC CLK
IIC DATA
RESET
AC CUT
STBY RELAY
SIRCS
CD POWER
SYSTEM CONTROLLER
IC501 (3/3)
XC IN XC OUT X IN X OUT
XRST
(E91)
JW986
STBY +5V
HEADPHONE SW
VIDEO SWITCH
SPEANA
MIC SIG
XRST
IIC DATA
IIC CLOCK
PROTECT
MOTOR B+
E3: 240V AC Area in Emodel
E91: 220V AC Area in Emodel
EA: Saudi Arabia model
SP 2/6: Singapore model
IA: Indonesia model
• Abbreviation
JW972
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
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