Block Diagram - Display/Key Control/Power Supply Section - Sony HCD-GX8000 Service Manual

HCD-GX8000/RG77
Q Q
3 7 6 3 1 5 1 5 0
7-4. BLOCK DIAGRAM – DISPLAY/KEY CONTROL/POWER SUPPLY Section –
FL601
FLUORESCENT
INDICATOR TUBE
BAND-PASS
FILTER
IC602
SPEANA
X E 4 LINE IN
(Page 25)
6 REC IN
L+R
ROTARY
T E
L VOLUME 1 3 9 4 2 2 9 6 5 1 3 ENCODER
S748
w w w
LED-TAPE,
LED-TUNER,
LED-MD-VIDEO,
LED-CD,
LED DRIVE
LED-GAME,
Q601 – 605,
LED-DISC1,
Q791 – 793, 795
LED-DISC2,
LED-DISC3,
LED-REC
S751, 752, 754 – 762,
S765 – 780, 782 – 792
FLUORESCENT
INDICATOR TUBE DRIVER,
KEY CONTROL
IC601
11 73 ALL-BAND
80 VOLUME-A
79 VOLUME-B
83 X1
I2C-DATA 60 30 IIC-DATA
X601
I2C-CLOCK 61 29 IIC-CLK
4MHz
RESET 77 41 GC-RESET
82 X0
D794
LED DRIVE
75 STBY-LED
Q794
S749
74 POWER-KEY
73 DISPLAY-KEY
S750
DISPLAY
REMOTE CONTROL
4 SIRCS
RECEIVER
IC603
15 X-IN
X502
16MHz
13 X-OUT
x a o
10 XC-IN
. i
X501
32.768kHz
11 XC-OUT
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D604 – 608,
D791 – 793, 795
Q Q
SYSTEM CONTROLLER
3 7 6
(CD MECHANISM CONTROL)
IC501 (4/4)
+3.3V
CD +3.3V
REGULATOR
Q102
CD D+5V
CD A+5V
CD-POWER 38
D +3.3V
STBY-RELAY 84
RESET RESET SIGNAL
u 1 6 3
y
RESET 12 SWITCH GENERATOR
Q601
AC-CUT 20
26 26
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2 4
8 9 9
+VL
RECT
D541
–VL
+VH
RECT
D543
–VH
– 33V
– VG REGULATOR
Q941
RECT
3 1 5 1 5 0 8 9
D977
VF1
TO FLUORESCENT
INDICATOR TUBE
FL601
VF2
D920 – 922
M +7V
+9V
RECT
M +9V REGULATOR
D914 – 917
IC961
+10V
A +10V RECT
REGULATOR
TC +10V D906 – 909
IC101
+5V
B+ SWITCH
REGULATOR
Q911, 912
IC911
+4V
RECT
D +4V REGULATOR
D918, 919, 923, 924
IC951
D501 D503
D502 D504
POWER ON/OFF
RELAY DRIVE
Q971
+4V
RECT
EVER +4V REGULATOR
m
D972 – 975
IC971
c o
IC601
D505
.
2
8 9 9
T910
MAIN POWER
TRANSFORMER
2 4 9 8 2 9 9
EXCEPT
E, Singapore
VOLTAGE
SELECTOR
S901
(E, Singapore)
RY971
T972
SUB POWER
TRANSFORMER
AC IN