Block Diagram - Panel, Power Supply Section - Sony HBD-E770W Service Manual

Q Q
3 7 6 3 1 5 1 5 0
5-6.

BLOCK DIAGRAM - PANEL, POWER SUPPLY Section -

REMOTE
CONTROL
RECEIVER
IC803
D506
S700 - 705, 750
3
S10
S-AIR ID
A t B t C
D800
LED DRIVE
(ILLUMINATION)
FLUORESCENT
T E
L 1 3 9 4 2 2 9 6 5 1 3
INDICATOR
TUBE DRIVER
IC802
16
SG1 - SG16
ND800
FLUORESCENT
10
INDICATOR
GR1 - GR10
TUBE
GRID DRIVE
32 GR11
Q804
VEE
T800
DC/DC CONVERTER
TRANSFORMER
OSC
D803, 804
Q803
RECT
w w w
HBD-E770W
SYSTEM CONTROLLER
IC501 (4/4)
13 Xout
X500
6MHz
15 Xin
4 SIRCS_IN
19 KEY_INT
D508
KEY0 - KEY2
(Page 31)
90 S-AIR_ID_SW
28 LED_PWM
Q801
VOLTAGE
DETECTOR
IC506
VOLTAGE
DETECTOR
IC507
DIN 7 5 FL_DOUT
CLK 8 7 FL_CLK
STB 9 3 FL_CS
RESET
SIGNAL
AC_CUT 20
GENERATOR
IC503
RESET
SWITCH
RESET 12
Q504
x a o
y
. i
http://www.xiaoyu163.com
8
+32.5V
H EN. P
T903
SUB POWER
TRANSFORMER
RECT
E +14V
D954
Q Q
3 7 6 3
RECT
E +6V
D942
D902
RECT
E -9V
DZ903
D955
RECT
E +4V
D943
VOLTAGE
DETECT
Q969
SHUNT
REGULATOR
IC923
u 1 6 3
.
33 33
2 4
9 9 8
POWER CONTROL
IC901
T901
D906, 907
MAIN POWER
1 OCP/SYNC
TRANSFORMER
D908
B+ SWICH
RECT
4 VCC
Q901
D931
D910
3 D
MAIN POWER
ISOLATOR
ON/OFF SWITCH
PC903
Q943
SHUNT
ISOLATOR
REGULATOR 5 FB/OLP
PC901
IC932
MAIN POWER
ON/OFF SWITCH
1 5 1 5 0 8 9 2 4
Q949, 950
POWER CONTROL
IC921
RIPPLE FILTER
3 Vcc/OVP
Q922
6 BD
5 FB/OLP
1 D
TH901
LINE
F901
RECT
FILTER
D901
LF901, 902
ISOLATOR
PC902
m
c o
HBD-E770W
2
9 9
9 8 2 9 9
(AC IN)