Block Diagram - Display/Power Supply Section - Sony HCD-CPX1 Service Manual

HCD-CPX1
Q Q
3 7 6 3 1 5 1 5 0
6-4. BLOCK DIAGRAM – DISPLAY/POWER SUPPLY Section –
LIQUID CRYSTAL
DISPLAY
LCD801
T E
L 1 3 9 4 2 2 9 6 5 1 3
w w w
LIQUID CRYSTAL
LED STANDBY 44
DISPLAY DRIVER
IC803
LED DSG 83
SD 10 5 LCD DATA
SCK 9 7 LCD CLK
CS 11 6 LCD CS LED CD 79
C/D 12 3 LCD CD
RESET 19 100 LCD RESET
LED TUNER 84
REMOTE CONTROL
RECEIVER 4 SIRCS IN/WAKE
LED TC 89
IC801
S801 – 817 RESET 12
D474, 475
AC CUT 20
74 KEY WAKE UP
LCD ON 1
ROTARY
53 VOL A
VOLUME ENCODER
52 VOL B
RV801
ROTARY
76 TRE A
TREBLE ENCODER
77 TRE B
RV802
ROTARY
71 BASS A
BASS ENCODER
72 BASS B
RV803
CD BD-PWR 65
SYSTEM CONTROLLER
(CD MECHANISM CONTROL)
IC401 (4/4)
LED BL 51
82
PWR RELAY
13 15 11 10
X401
X402
x a o
16MHz
32.768kHz
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D801
LED DRIVE
(STANDBY)
Q801
D802
LED DRIVE
DSG
Q802
D803
LED DRIVE
CD
Q803
NX
D804
LED DRIVE
TUNER
Q804
BAND
D805
LED DRIVE
TAPE
Q805
nN
D501
RESET RESET SIGNAL
SWITCH GENERATOR
Q501 IC501
B+ SWITCH
LCD+3.3V
Q431, 432
µ-COM+3.3V
Q Q
3 7 6
+1.8V
A+3.3V,
D+3.3V
D806 – 808
(LCD BACK LIGHT)
u 1 6 3
y
24 24
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2 4
8 9 9
+4V
RECT
REGULATOR
D992 – 995
EVER IC991
D402
+3.3V
D404
D401
D403
D301
+1.8V
3 1 5 1 5 0 8 9
REGULATOR
IC618
CD ON D303
TC M+11.5V
SWITCH
Q301, 302
D302 +4V
RDS+3.3V REGULATOR
IC301
+5V
A+5V,
REGULATOR
D+5V
IC302
B+ SWITCH
Q433, 434
D304
D+6.2V
+7V
M+7V REGULATOR
IC303
+9V
TUNER +9V,
REGULATOR
SWITCHING
TC A+9V
IC304
REGULATOR
+28V
POWER ON/OFF
RELAY DRIVE
Q991
POWER ON/OFF
RELAY DRIVE
Q990
(Singapore, Korean, Australian)
m
c o
.
2
8 9 9
T991
SUB POWER
TRANSFORMER
2 4 9 8 2 9 9
RY991
RY990
(AC IN)