Block Diagram Supply Fhp - Philips LC4.41E Service Manual

Block Diagrams, Test Point Overviews, and Waveforms

Block Diagram Supply FHP

SUPPLY 42" FHP
A2 FILTERS STANDBY
3450 3451
5401
5005
+T +T
0308 5402
1400
2
1 2 1 2
MAINS
T6.3A
1 FILTER
MAINS
RELAY CONTROL
INPUT
3 4 3 4
95-264Vac
ACTIVATING
ACTIVATING
DELAY
SUPPLY_ON
A6
6510 6511
400V_HOT
A5
3509
3508
6503
5500
3507
3035
6504
F500
6
3026
2
F503
7 6505
5503
7500
8
TNY256P I510
5 4
I508
DRAIN
9
4 1
EN|UV
2
SOURCE
6507
VCC
3501
A7
4 1
7501
TCET1102
1M05
3 2
1
1
400V_HOT K
2 R 2
7502 I514
A
3
IBO SUPPLY
(RES)
HOT GROUND COLD GROUND
A3 PROTECTIONS
- VS PROTECTION - - VA PROTECTION -
+5V_INT_SW
3308
70-90V VA
- 2.5 Vref -
+5V_INT_SW
7308 3+4
7308 1+2
7
11
1
13
2V5 6 10
2V5
5
9
1 2
14
4
K 8
R 2
7304
A
3
+9V_STBY
7375
7376
VSA
VSAGO CONTROL
A2
+5V_INT_SW
7352
7351
I905
VCEGO
VCEGO
A2
+5V_INT_SW
7341
7004
7348
LATCH
+5V_INT_SW
7326
7327
6325 8V6
+8V6 UNDERVOLTAGE
PROTECTION
LC4.41E AA 6.
A5
PRECONDITIONER
3452
-T
5600
3036 16 14
100-230VAC1
-T
6600
100-230VAC2 F601
GBU8J
1 2 4 6
3610
7608
3608 3606
F608
3663 2663
I504
25V_HOT
F502
+9V_STBY
I620
3679
+5V_STBY_SW
3682
400V_HOT
7461 +5V_INT_SW I618
7540 0311
+3V3_STBY_SW
IN OUT
1
COM VCC
2
I517
3
+3V3_STBY_SW
4
VRA TO CN11
5
PDP DISPLAY
A2
6
VRS
A6
VCEGO 7
A3
8
VSAGO
A3
9
- VCC PROTECTION - - 12V PROTECTION - - DC_PROT -
VCC +12V
7362
7333 3+4
7333 1+2
7
11
1
13
6 10
2V5 3364
2V5
5
9
2
14
4
8
VSA_CONTROL
A7
+5V_INT_SW
7363
7366-1
VCC_GO
A7
IAK
BUFFER
+5V_STBY_SW
7391
LATCH
7366-4
A6
SUPPLY_ON
STANDBY
POK
21
A6 LLC SUPPLY
3090
3092
7013
25V_HOT
7090
7091
F600
7092
6611
400V_HOT
3081 6002
PROTECTION
7610
- CONTROL -
6661
7001
SW25V_HOT
MC34067P
7661
15
I613 VCC 14
MC34063D
OA
6
3
VCC
6665
5660 OSCCC
BIAS
2 SOFTSTART
6
SWE 10
EAO
CONTROL FI
1
SWC 3677 8
& lp 12
5
7 OB
IS CURRENT 7
ln
8 PROTECTION
7650 DCOL
MC33368P F609
12
VCC
7
7641
ZCDET
6 7642
CS F610 I625
3 3641
FB 11
GATE
5
MULT 7640
A7
AUX SUPPLY
1260
+30V
T2A
POK
A7
1110
70-90V
DC_PROT
T5A
A6
I105
+5V_INT_SW
3388 3389
7389
+12V_OVP
RES
1200
T2A
VCC_GO
A6
1M03
1
I220
2
3
4
A6
TO 1M03(1J00)
5
B16
6
PDP DISPLAY
STANDBY 7
8
9
POWER_OK 10
+5V_INT_SW
7093
F001
LM317T
IN OUT +5V_INT_SW
COM 4 1
6111 7003
SW25V_HOT
TCET1102
3 2
LATCH
3082 A3
1084 5290 6291
T1.0A
400V_HOT
6642
7007
5002
5001 7005
7020
I038
16
6044
HIGH
6
SIDE
F003 14
DRIVE F005
4
7 3
12
7008
7006
11
7021
6
I057
F004
LOW
10
2
10
SIDE
DRIVE
9 9
5004
3039
16
VS
14
2045
3
12
I083 1082
6045
3050
9
6
T2.5A
2029
10
1083
6021
11
T2.5A
4 1
7002 3022
TCET1102
6029 6012 3080
3 2
HOT GROUND COLD GROUND
- +12V-SUPPLY -
7260
L4973V3.3
5260 REGULATOR 5268
7 2
8 VCC OUT
3
12
3268
VFB
- VA-SUPPLY -
I101
5121
3118
7117
7110
7112
TEA1507P
CONTROL
8
DRAIN
1
VCC
5
ISENCE
6
I106
DRIVER
2
GND
+5V_INT_SW +30V
3113 6113 3115
4
DEM
3
CTRL
6111 2114 7121
7130
VRA
4 1
VA
7120
Adj.
TCET1102
VSA_CONTROL
3 2
- VCC-SUPPLY -
5220
14
1
6226
7212
TEA1507P 13
I236
CONTROL
7200 8 4 12
I213 DRAIN
3
5
CTRL 7217
11
4
DEMAG 3149
6
I214
7 8
DRIVE
1
VCC
GND
I208
3228
7202
3214 6213 3213 4 1
7220
6211 3220
TCET1102
3 2
6202 3203
7502
6142
VA
7050
VS
I200 6050
3084
I201
7052
I202
POK SEQUENCE
DISCHARGE
1002
DC_PROT 7
A3
F293
5293 VSND_POS 6
5
TO 1M02
5291 GND_SND C
4
3
PDP AUDIO
F294
5292
VSND_NEG 2
1
F016
70-90V
3072
VTUN
VB
7042
+30V
7010
7011
VRS
VRS
A2
FEEDBACK
1M10 TO 1M10
+12V 1 AL
+12V
2
AMBI LIGHT
3
OR 1301
4
K3
IBO ZAPPER
1M46
VA
1
2
3
+8V6
TO (1J01)
5
VCC 1M46
6
B16
7
+5V_STBY_SW
SSB
8
VTUN
9
+12V
10
+9V_STBY
0323
1
VA
3
VCC
4
5
TO CN23
6
PDP DISPLAY
A2
8
VS
9
A3
10
5225
VCC
0342
6230 7230
+8V6
1
IN OUT
VA
3
COM
VCC
4
TO CN42
F116
PDP DISPLAY
5
(RES)
7
VCC
1
K
0352
R 2
1
A VA
4
3
TO CN52
5
VS
PDP DISPLAY
7
(RES)
VCC
F_16040_022.eps
140606