Philips 46PFL3705D/F7 Manual de usuario
Service Manual
Contents
46” 46PFL3705D/F7 (Serial No. : YA1A)
46” 46PFL3705D/F7 (Serial No. : YA2A)
46” 46PFL3505D/F7 (Serial No. : YA1A)
© 2011 Funai Electric Co., Ltd.
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LCD TV
chassis PL10.6
110808
9-6 PL10.6BLP1
Power Supply 1 Block Diagram
CAUTION !
Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.
If Main Fuse (F1601) is blown , check to see that all components in the power supply
circuit are not defective before you connect the AC plug to the AC power supply.
Otherwise it may cause some components in the power supply circuit to fail.
For continued protection against risk of fire,
replace only with same type 8A, 250V fuse.
CAUTION ! :
ATTENTION : Utiliser un fusible de rechange de même type de 8A, 250V.
8A 250V
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
LCD MODULE
ASSEMBLY
HOT COLD
HOT CIRCUIT. BE CAREFUL.
CN1601
1
2
AC601
AC CORD AC
INLET LINE
FILTER
L1601
LINE
FILTER
L1602
T1201
BRIDGE
RECTIFIER
D1201-D1204
BRIDGE
RECTIFIER
L1604
DRAIN
VCC
VDD
FB
TO SYSTEM CONTROL
BLOCK DIAGRAM
POWER SUPPLY CBA
AL+4.3V
+345V
HOT+20V
F1601
8A/250V 5
7
9
10
1
2
4
6
3
2
5
11
8
T1701
8
7
5
3
4
2
1
10
9
11
12
13
14
15
16
IC1202
14
3 2
IC1201
(SWITCHING)
Q1602
SWITCHING
Q1601
VCC
SWITCHING
(FEED BACK)
RL1201
Q1202
Q1201
Q1701
SWITCHING
Q1702
SWITCHING
IC1705
(ISOLATOR)
IC1704
(FEED BACK)
IC1401
(SWITCHING CONTROL)
IC1702
HIGH-VOLTAGE
RESONANT CONTROL
SWITCHING
CONTROL
7
11
11612
14
L1603
2
5
11
8
HIGH-
VOLTAGE
RESONANT
CONTROL
8
8
12
13
2
14
9
5
4
14
3 2
14
3 2
IC1703
(ISOLATOR)
Q1705
Q1703
Q1704
Q1404
Q1403
Q1402
Q1401
Q1707 Q1708
14
3 2
CN1914
PANEL+24V
1-5
P-ON-H2
P-ON-H1
PROTECT3
BACKLIGHT-ADJ
BACKLIGHT-SW
Q1706
BACKLIGHT-ADJ
14
BACKLIGHT-SW
12
5
1
2
4
POWER-RESET TO SYSTEM CONTROL
BLOCK DIAGRAM
D1607-D1610
FONTE STANDBY
PFC
FONTE DO DISPLAY
9-8
Power Supply 2 Block Diagram [46PFL3705D/F7 (Serial No.: YA2A)]
PL10.6BLP2_2
TUNER+35V
AMP+24V
HOT COLD
POWER SUPPLY CBA
HOT CIRCUIT. BE CAREFUL.
Q602
SWITCHING
CONTROL
14
3 2
IC601
T601
7
3
6
9
10
16
11
14
15
12
13
1
5
2
Q601
SWITCHING
CN1802
Q652
SW+5V
TO SYSTEM CONTROL
BLOCKDIAGRAM
PROTECT1
6
8
2,3 LCD+12V
P-ON+3.5V
LCD+12V
P-ON+3.3V
P-ON+7.5V
P-ON+5V
P-ON+3.3V
JACK CBA
FRC CBA UNIT
10P-ON+3.5V10
14AMP+24V14
1TUNER+35V1
CN1803 CN5001
3,4LCD+12V3,4
1P-ON+3.3V1
P-ON+3.3V6
12
P-ON+5V12
P-ON+7.5V8
LCD+12V2,3
WH2102
Q653,Q654
SW+3.3V
(FEED BACK)
+345V
HOT+20V
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
FONTE PRINCIPAL OU DA TV
10-3 PL10.6SCP1
Power Supply 1 Schematic Diagram
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
For continued protection against risk of fire,
replace only with same type 8A, 250V fuse.
CAUTION ! :
ATTENTION : Utiliser un fusible de rechange de même type de 8A, 250V.
8A 250V
CAUTION !
Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.
If Main Fuse (F1601) is blown , check to see that all components in the power supply
circuit are not defective before you connect the AC plug to the AC power supply.
Otherwise it may cause some components in the power supply circuit to fail.
TENSÃO DA
REDE ACV
COMANDO
ON/OFF
+B 345V
+B 17 E 20V
PROTEÇÃO
10-4 PL10.6SCP2
Power Supply 2 Schematic Diagram
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
10-5 PL10.6SCP3
Power Supply 3 Schematic Diagram
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
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