Toshiba 20VL44 Service Manual page 48

BLOCK DIAGRAM OF 26 - 32 INCH POWER SUPPLY
S101
1
24V
2
3
4
5
24V
6
7
GND
8
9
10
JP100
1
GND
2
3
4
12V
5
12V
6
7
Stand-by 2
12V-- R101 150K R609 220K R102 10K
5V-- R101 56K R609 NI R102 18K
U600 MP1593
PNL_PWR
STEP DOWN
CONVERTOR
Enable
U100 MP1593
5V _ STBY
STEP DOWN
CONVERTOR
U101 MC34063
33V For
STEP-UP
Tuner
CONVERTOR
8V
U605 MC78L08
AMP_POW_S
AMP_POW
U604
SI9933
MOSFET
POWER 5V
SWITCH
STBY
3V3_STBY
U601 LM1117
U603 LM1117
3V3
U606 LM1117
1V8_STBY