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SS-US501/SW-US501/UZ-US501
5-2.
BLOCK DIAGRAM – DISPLAY/POWER SUPPLY Section –
LCD701
LIQUID
CRYSTAL
DISPLAY
D706
(POWER ON)
HP MUTING
A
(Page 9)
D707
(STANDBY)
D705
AUTO POWER
REMOTE CONTROL
RECEIVER
IC702
LIQUID CRYSTAL
DISPLAY DRIVER
SYSTEM CONTROLLER
IC701
IC802 (2/2)
SD
8
54 LCD-DATA
SCK
7
53 LCD-CLK
CS
9
56 LCD-CS
C/D
10
35 LCD-C/D
LED DRIVE
71 POWER LED
Q703
LED DRIVE
73 STAND BY LED
Q705
LED DRIVE
67 APC LED
Q702
83 V/R
82 KEY1
(LCD BACK LIGHT)
S701 – 705
KEY ACTIVE
SWITCH
93 INT
P-CONT
46
Q801, 803
READY-H
62
D806
SIRCS BUFFER
RESET
34
Q802
91 SIRCS
STOP
90
39
38
X801
16MHz
+10V
FAN401
B+ SWITCH
M
REGULATOR
(FAN)
Q451, 452
Q453
+5V
AUDIO +5V
REGULATOR
IC906
B+ SWITCH
AU +15V
Q904, 905
POWER/SURROUND AMP
(IC401, 402) B+
(EXCEPT US)
MUTING
CONTROL SWITCH
Q915
+2.5V
+2.5V
REGULATOR
IC807
(EXCEPT US)
+5V
READY +5V
REGULATOR
IC905
+3.3V
(US)
READY +3.3V
REGULATOR
IC806
B+ SWITCH
Q910, 911
D813
+3.3V
USB +3.3V
REGULATOR
IC506
D702, 703
B+ SWITCH
Q907, 908
10
10
T901
MAIN POWER
TRANSFORMER
RECT
D911
TH901
LINE FILTER
RECT
LF901(EXCEPT US),
D902
LF902
RECT
D920
3
D
D906
D907
+20V
RECT
REGULATOR
4 VCC
D909
Q901
D905
1 FB/OCP
RECT
D914
POWER CONTROL
SWITCHING
ISOLATOR
IC901
IC902
PC901
POWER ON/OFF
CONTROL SWITCH
Q902, 906
IC903
(EXCEPT US)
(US)
RELAY DRIVE
Q991
RESET
RESET SIGNAL
SWITCH
GENETATOR
Q804
IC803
RELAY DRIVE
Q992
D821
+3.3V
D +3.3V
REGULATOR
IC804
D822
µCOM +3.3V
LED B+
+5.6V
µCOM +5V
REGULATOR
IC991
D811, 812
( US)
D802, 803
D946
STANDBY
D
(Page 9)
AMP MUTING
C
(Page 9)
(EXCEPT US)
MTR CTL
B
(Page 9)
(US)
F901
RY991
(AC IN)
RY992
T902
SUB POWER
TRANSFORMER
RECT
D992 – 995
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