9-6
Power Supply 2 Block Diagram
A91H1BLP2
HO
T
COLD
J
A
CK PO
WER CB
A
HOT CIRCUIT. BE CAREFUL.
Q602
SWITCHING
CONTR
OL
1
4
3
2
IC601
T601
TO
PO
WER
SUPPL
Y 1
BLOCK
DIA
GRAM
CN1501
CN602
2
HO
T
-GND
2
HO
T+22V
3
+345V
1
4
3
9
10
16
11
14
15
13
12
8
6
7
Q601
SWITCHING
CN201
CN3701
Q604
SW+5V
Q603
SW+8.2V
T
O
SYSTEM
CONTR
OL
BLOCK
DIA
GRAM
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
INV+16V
P-ON+5V
P-ON+3.3V
DIGIT
AL MAIN CB
A UNIT
15,16
P-ON+3V
15,16
P-ON+3.3V
21,22
14
P-ON+5V
14
P-ON+7V
18
LCD+12V
27-29
Q605
SW+3.3V
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
Summary of Contents for 42MF439B/F7
Page 14: ...4 2 A91H1DC 2 Rear Cabinet S 1 1 Stand Assembly S 2 S 3 S 2 S 2 S 2 S 4 S 5 Fig D1 ...
Page 40: ...10 4 A91H1SCJP2 Jack Power 2 3 Schematic Diagram ...
Page 41: ...10 5 A91H1SCJP3 Jack Power 3 3 Schematic Diagram ...
Page 45: ...10 9 A91H1SCIR IR Sensor Junction Schematic Diagram ...