Block Diagram Of Power Supply; Service Mode Items And Explanations - Toshiba 20VL44G Service Manual

BLOCK DIAGRAM OF 14-23 INCH POWER SUPPLY
OPTIONAL FOR 14"-17"-20"
S600
2 1
S601
F600
15"-17" 12V
FUSE 5A
20" 15V
OPTIONAL FOR 20"W- 22"-23"
S603
1 2 3 4 5 6 7
S602
24V
4
F601
3
FUSE 5A
2
GND
1
U602 MP1593
STEP DOWN
CONVERTOR
GND
12V
U600 MP1593
(15V)
STEP DOWN
CONVERTOR
Tuner Supply
VOLTAGE
DOUBLER
33V For Tuner
PNL_EN
U605
MC78L08
STBY
8V
1.8V STBY
5V_STBY
U603 LM1117
3.3V STBY
U601 LM1117
PANEL POWER
U604
SI9933
MOSFET
POWER
5V
SWITCH
U606
LM1117
3.3V