Philips 42PFL3704D/F7 - Power Supply 2 Block Diagram

9-7
Power Supply 2 Block Diagram
A91H2BLP2
HOT COLD
JACK POWER CBA
HOT CIRCUIT. BE CAREFUL.
Q602
SWITCHING
CONTROL
14
3 2
IC601
T601
TO POWER SUPPLY 1 BLOCK DIAGRAM CN1501
CN601
2
HOT-GND2 HOT+22V3
+345V1
4
3
9
10 16 11 14 15 13 128
6 7
Q601
SWITCHING
CN201 CN3701
Q604
SW+5V
Q603
SW+8.2V
TO SYSTEM CONTROL BLOCK DIAGRAM
PROTECT1
AL+13V P-ON+8.2V P-ON+11V TUNER+31V P-ON+5V P-ON+3.3V
21,22
18
27-29
LCD+12V
P-ON+3V P-ON+7V P-ON+5V P-ON+3.3V
DIGITAL MAIN CBA UNIT
15,16P-ON+3V15,16
P-ON+3.3V21,22
14
P-ON+5V14
P-ON+7V18
LCD+12V27-29
Q605
(FEED BACK)
SW+3.3V
NOTE: The voltage for parts in hot circuit is measured using hot GND as a common terminal.