Display/Power Supply Section - Sony HCD-GP7 Service Manual

Q Q
— DISPLAY/POWER SUPPLY Section —
3 7 6 3 1 5 1 5 0
S801 – 805
FUNCTION KEY
S811 – 813
FUNCTION KEY
S821 – 826
FUNCTION KEY
D475
T E
L 1 3 9 4 2 2 9 6 5 1 3
S851
VOLUME
ROTARY
ENCODER
D891
Q803
(STBY)
LED DRIVE
IC891
REMOTE CONTROL
RECEIVER
w w w
.
IC401 (4/4)
SYSTEM CONTROLLER
FL SD 1 7 DIN
FL SCK 2 8 CLK
FL STB 3 9 STB
97 KEY0
95 KEY1
KEY2
94
D474
74 POWER KEY
RF +3.3V
53 VOLUME A
DD +3.3V
52 VOLUME B
CD-POWER 65
44 STANDBY LED
1 4 SIRCS
PWR-RELAY 82
15 XIN
X401
16MHz
13 XOUT
x a o
y
RESET 12
10 XCIN
i
X402
32.768kHz
11 XCOUT AC-CUT 20
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8
IC801
FL DRIVER
FL801
F1
FLUORESCENT
F2
INDICATOR TUBE
30
VEE
IC101 VDD
TUNER +9.4V
TC A+9V
TC M+10V
Q Q
3 7 6 3
D301
D314
Q301, 302
B+ SWITCH
D302
RDS +3.3V
D315
TC +3.3V
D404
D402
EVER +3.3V
D403
IC911
IC401 +3.3V 3 1
+4V REG
D401
u 1 6 3
Q501 IC501
RESET 3 RESET SIGNAL 1
SWITCH GENERATOR
D501 .
27 27
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2 4
9 9 8
Q801 - 802
M +7V
DC/DC
CONVERTER
AMP B+
D901
D304
RECT
AMP B–
D313
AC HI
AMP
E
AC HI
D305 SECTION
IC304
D953 – 956
3 1
+10V REG RECT
1 5 1 5 0 8 9 2 4
D957 – 960
UNREG (L)
RECT
IC303
M +7V 3 1
+7V REG
IC301
3 1
+4V REG
Q911
RELAY DRIVE
D912 – 915
RECT
m
c o
HCD-GP7
2
9 9
T901
POWER
TRANSFORMER
(MAIN)
AC HI
AC HI
AC LO
9 8 2 9 9
AC LO
RY911
T902
POWER
TRANSFORMER
(SUB)
(AC IN)