Toshiba 15DLV77B Service Manual page 89

F-3
TUNER BLOCK DIAGRAM
F501 L509
2
1
AC IN
4 3
TRANSFORM
T501
D504
6
C509
4
D51
D511
2
POWER SW
IC501 STR-W6735
D Vcc FB
1 4 6
4 1
3 2
FEED BACK
IC506
PS2561AL1-1-V（W)
INVERTER
CP505
V IN
V IN
V IN
LCD
INVERTE_H
DVD +12V
DVD +12V
9 AT+12V
SOUND+B
1
DC-DC
5V SW FET AT+5V
DC-DC Q509
F502
4V SW FET SW+4V
POWER ON_H
REGULATOR
IC502 KIA431A-AT
SW+1.5V
1.5V SW FET
DC-DC Q508
1 3
1
2
3
4
1
DVD MPEG
2
F-4