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Block Diagram - Panel/power Supply Section - Sony HCD-HPX7 Service Manual

Compact disc deck receiver.
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7-3. BLOCK DIAGRAM — PANEL/POWER SUPPLY SECTION —
REMOTE CONTROL
RECEIVER
IC802
S701-725
HP SW
D317, 318
B
S803
ROTARY
ENCODER
VOLUME
HCD-HPX7
SYSTEM CONTROLLER
FL/LED DRIVER
IC306 (3/3)
IC801
GR1 – GR12
4
SIRCS IN/
WAKE
SG1 – SG16
FL DATA
100
7
DIN
FL CLK
21
8
CLK
KEY1 – KEY3
FL STB
7
9
STB
74 KEY WAKE UP
STBY LED
3
5
VOL A
6
VOL B
CD BD POWER
57
RY ON
80
12
RESET
AC-CUT
20
SW-POWER
53
FL701
FLUORESCENT
INDICATOR
TUBE
D801
LED DRIVE
CD
LED1
1
Q801
N X
D802
LED DRIVE
LED2
2
TUNER/
Q802
BAND
D803
LED DRIVE
LED3
3
TAPE
Q803
N
D807
LED DRIVE
LED4
4
DSGX
Q809
D804
LED DRIVE
I/1
Q804
D+4V
D311
B+ SWITCH
AVDD
Q312, 313
DVDD
D312
RESET SWITCH
Q316
VOLTAGE DETECT
IC305
U-COM B+
61
61
TRANSFORMER
F901
+POWER
RECT
D901
–POWER
F902
UNREG
+9V
A+9V
REGULATOR
IC304
+10V
RECT
M+10V
REGULATOR
D902 – 905
IC901
D911
D912
+7V
M+7V
REGULATOR
IC902
+4V
RECT
REGULATOR
D906 – 909
IC903
FL AC
FL AC
–30V REGULATOR
FL –30V
Q805 – 807
RECT
D910
CURRENT
LIMIT
Q808
D306
SUB POWER
BLOCK
D308
U COM +B
AC
SWITCH
Q321
B+ SWITCH
A+9V
Q322, 323
D327
HCD-HPX7
T901
POWER
(AC IN)
RY901
RELAY DRIVE
Q319, 320
AC DET
C

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