Power Supply Schematic Diagram - Philips 40PFL4706/F7 Service Manual

Power Supply Schematic Diagram [40PFL4706/F7 (Serial No.: DS1, DS2)]
CAUTION !
Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.
If Main Fuse (F100) 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.
HOT CIRCUIT. BE CAREFUL.
AC601
AC CORD
VA101
300V
AC
F100
INLET
CN1 LF100 TH101 LF101
T5AH/250V
OTC28A29 2R55A 8LE0045802GP
L
R100A
N
680K
4 CX100
VA100 R100B
0.22
TVT14471 680K
/275V
R100C
680K TH100
2R55A
VA104
300V
CY101 CY100 CY102
CY103
330P 330P 330P
330P
/250V /250V /250V /250V
R162
20K
Q152
AP01L60P
D
(SWITCHING)
G
S
R163
100K
3
C120A C120B
68/450V 68/450V
L120
8TI0072701GP
L121
8TI0072701GP
2SK4111
D
R121A R122A
1M 1M
G
R121B R122B S
1M 1M
Q121
R121C R122C 2SK4111
D
1M 1M
(SWITCHING)
G
R121D R122D
680K 680K
S R124
2
10K
Q123
D AP01L60P
(FEED BACK)
G
S R134
100K
Q122
AP01L60P
D
(SWITCHING)
R131
20K
G
S R132
100K
IC120
SSC2101S
(SWITCHING CONTROL) R127
100
1 COMP IS 8
R130 C130
2 VIN OUT1 7
36K 0.22
C132
3 FB GND 6 680P
C131
0.1
4 VCC OUT2 5
R128 C128
33K 1000P
R129
C129
33K
1000P
1
C127 C126
22/50V 0.1
A
VA102
OPEN
LF102
8LE0045802GP
BD100
GBU406
CX101
0.22
/275V
C122
ZD120
0.68 R135
1ZB220-Y
/450V 0.47/5W
ZD121
1ZB220-Y
VA103
OPEN
IC150
SSC9512
C150
0.22
HIGH-VOLTAGE
RESONANT
CONTROL ZD150
OPEN
1 VSEN NU 18
2 VCC NU 17
C162 C155
R161C R161B R161A
0.1 10/50V 3 FB VGH 16
1M 1M 1M
4 GND VS 15
5 SS VB 14
C158
1 6 OC NU 13
R158 C151
C156
470 10P
680P 7 RC NU 12
/1KV
8 REG VGL 11
C163 R164
0.01 22K
9 RV COM 10
C120C C121
68/450V OPEN
D150 R150
1N4937 10
D122
OPEN
R157 C161
C157
100 0.22
1000P
C124
22P/3KV
D120
RY2A
R159
C160
10K
0.033
C125
22P/3KV C159
1
D121
RY2A
Q120
(SWITCHING)
D123
R123 R125
4148
10K 10
R602A R602B R602C
2.2M 2.2M 2.2M
R602D
2.2M
Q600
D124 STR-A6069
R126
4148
10 (SWITCHING)
ZD601
R601
1N4734A
3/2W
1 S/OCP
R133
20K
2 BR
R603 C603
1M 0.22 3 GND
4 FB
R604
4.7M
ZD603
1N4749A
D127
ZD602
4148
OPEN
R120A
0.06/3W
D126
4148
D125
4148
Q181
PMBT2222A
(SWITCHING)
Q180
PMBT2222A
(SWITCHING)
ZD180
TZX16B
B C
CAUTION ! : For continued protection against risk of fire,
replace only with same type 5 A, 250V fuse.
5A/250V
ATTENTION : Utiliser un fusible de rechange de même type de 5A, 250V.
CY106
680P/250V
CY107 OPEN
D250
SB5100
T150B
POWER TRANS
D240
MBR10100
3 9
D230
SBR20U40CT
7
Q150
2SK4110
D
(SWITCHING)
D151
1N4148 G
11
R152
S
R153 10
12
47
R151
10K
8
Q151
C152
2SK4110
D 220P
(SWITCHING)
D152 /1KV
5 10
1N4148
G
D260
S SB5100
R155
T150A
51
POWER TRANS
D220
MBR10100
R154
R156
3 9
10K
10
D210
SBR20U40CT
7
11
12
8
C153
220P/1KV
R206 Q200
5 10
OPEN
OPEN
C154
0.033
PC150
/1KV
PS256 C202
OPEN
R160 (FEEDBACK)
560
R671
10
C670
Q670 R670
0.1
BT169D 510
T600
POWER TRANS
R608 D660 L660
1/2W SB240 8LR0062201GP
1 6
C661
C600 ZD600 R600 C601
R660A C660
220/25V
OPEN P6KE150A OPEN OPEN
7 20 470P
D600
R660B
UF1007
20
D/ST 8 4
D/ST 7
R605
10
NU 6 5
R607 D601
100 1N4937
VCC 5 8
R606
10
C602
9
22
3 10
C606
C605
22
0.1
PC650
PS256
(FEEDBACK) R654
100
R653
C604
1K
2200P
C652
2.2
PC281
PS256
(FEEDBACK) R282
1K
R284 R283
1K 100
PC280
PS256
(ISOLATOR)
Q280
BT169D
C280
R285
R180
0.1
2K
510
R181
20K
CY105
680P/250V
HOT COLD
D
10-13
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
POWER SUPPLY CBA UNIT
CN3 (NO CONNECTION)
1 GND
2 GND
3 PANEL+24V
C250 R250
4 PANEL+24V
470/35V 1K/2W
C220 C221 C222 R221
470/35V 470/35V 470/35V 1K/2W
L210
R6*15
C210 C211 C214
470/25V 470/25V 470/25V
TO LCD MODULE
CN4 ASSEMBLY
1 PANEL+24V
2 PANEL+24V
3 PANEL+24V
4 PANEL+24V
5 PANEL+24V
6 GND
7 GND
8 GND
9 GND
JP213 10 GND
OPEN
11 NU
12 BACKLIGHT-SW
JP217
13 BACKLIGHT-ADJ(DC)
R204
R203
33.2K 14 BACKLIGHT-ADJ(PWM)
3K
R202
C201 R205
1K
OPEN 7.87K
TO DIGITAL
MAIN CBA UNIT
R200 C200
1K 1 CN2 CN3101
14 P-ON+12V
13 P-ON+12V
IC200
R201
KIA431A 1.3K 12 P-ON+12V
SHUNT
ZD670 11 P-ON+12V
REG.
NXP6V2B
10 GND
9 GND
8 GND
7 GND
6 AL+5V
C662 ZD660
C663
5 BACKLIGHT-ADJ(PWM)
220/10V OPEN
0.1
4 GND
3 P-ON-H1
2 BACKLIGHT-ADJ(DC)
1 BACKLIGHT-SW
R652
10K
C651
OPEN
C650 R650
0.22 27K
IC650
R651
TL431
9.1K
SHUNT
REG.
ZD280
ZD281
NXP15B
NXP30B
D280
D281
1N4148
1N4148
R281
R286
100
2K
R280
510
Q281
2N7002
D
(SWITCHING)
R288
20K
G
S C281 R287
0.1 100K
E F
PL11.3SCP1