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5454
HCD-PX333
DISPLAY, POWER SUPPLY SECTION
49
93
85
46
47
34
7
8
14
13
52 – 57
LIQUID CRYSTAL
DISPLAY
LCD601
BACKLIGHT
SWITCH
Q603
REMOTE CONTROL
RECEIVER
IC602
INVERTER NOISE
CANCELLER
Q950-953
LED DRIVE
Q604 – 606,
Q608 – 610
S601 – 606
D607 – 609
LCD BACK
LIGHT
D601 – 606
K
P.DOWN
+10V
REGULATOR
IC901
+7V
REGULATOR
IC903
+5.6V
REGULATOR
IC911,D910
+5V
REGULATOR
IC914
+3.3V
REGULATOR
IC190
B+ SWITCH
Q1101, 1102
RECT
D982 – 985
RELAY DRIVE
Q991
RECT
D981
RECT
D803
D1102
D1103
D1108D1104
D915
D912
D913
D924 D914
D923
D922
D941
BT921
+4V
REGULATOR
IC912
D918
+5V
REGULATOR
IC913
AC OFF
DETECT
IC941
RESET
DELAY
Q945,946
T900
POWER
TRANSFORMER
(AC IN)
RY991
F801
F802
RECT
D971 – 974
RECT
D992, 993
T901
POWER
TRANSFORMER
+5.6V
REGULATOR
IC921,D921
DIMMER
SIRCS
KEY1
LED MD-PAUSE
LED MD-PLAY
LED CD-PAUSE
LED CD-PLAY
LED MD-REC
LED STANDBY
MD/CD POWER
LCD DATA
LCD CLK
LCD CE
LCD CLEAR
SDA
SCL
RW/CS
RS
VDD
TR RELAY
RESET
SYSTEM CONTROLLER
IC501 (2/2)
E
BDPWR
ST/CD+10V
D+7V
D+3V
CD A+5V
D+5V
CD D+5V
CDM+5V
M+5V,
H+5V
SUB +5V
A +3.3V
SYS +3.3V
B.UP +3.3V
B.UP +2.7V
AMP B+
AMP B–
91 KEY RM INT
94AC CUT IN
AC ON
RESET
Q941
86
S621 – 628
KEY2
87
S631 – 637
KEY3
LCD ON/OFF
SWITCH
Q601, 602
SUB +5V
D+7V
D610
D611
D615
D616
31 LCD ON/OFF
(Page 52)
(Page 52)