Block Diagram Supply 37” - 42” - Philips 32PFL9432/98 Service Manual

Block Diagrams, Test Point Overview, and Waveforms
Block Diagram Supply 37" - 42"
SUPPLY 37"- 42"
A1 MAINS FILTER + STANDBY
5305
5306
1308
1314
MAINS
2
1350
FILTER
T5AH
1 3 2
4 1
7308
7309
ON/OFF
STANDBY
Standby
A2
COLD GROUND
HOT GROUND
Q528.1A LA 6.
A2 SUPPLY
2327
3318 6304
25V_HOT
6307
GBJ6J
400V_HOT
- +
5007 5008
1P22
7001
1 MC34067PG
TO 1P22
AP1
AUDIO AMBI 11
OSCC
2
SUPPLY
3007
CONTROL
7
ERROR
7011
7012
11
SOST
SOFT
START
5
VREF
+
CURRENT
PROTECTION
7004
7009
OVER
VOLTAGE
PROTECTION
2014
B01A SUPPLY
6B04
SS36
1B32
5B00
2 2
T1.6A
1 1
54
3065
4
BIAS SUPPLY
3
3000 3075
5017 6032 6033 6024 5010
400V_HOT
2003
7005
STP15NK50
5001
7007
HIGH
15
6
SIDE
VCC
DRIVE
7
5015 5012
14 4
OA
5016
12 2 7006
OB
STP15NK50
7008
10
FI
LOW
10
SIDE
DRIVE
9
HOT GROUND
5B01
5 7
7B00
7B01 8
3
7B02
9
2
10
7B05
1
11
12
CONTROL
3B50
3B61
4 1
7B04
TCET1102
3 2
HOT GROUND COLD GROUND
A3 DC-DC
3057
1 3407
7402
7002
TCET1102
2
GATE DRIVER
5011
UNDERVOLTAGE
LOCKOUT
+18V OR +12V
2020
2029 2034
5025 +24VA OR +295V
6021 2022 +12V
6041
7015
2045 2039
5026
+5V2 3052
7010
TS2431
Power-Good = 5V
5002 if +12V >10V
VS Voltage
Adj.
5021 2042 2009 +24VB
6031
3076 6045 +30V
5030
6040
2049 2018
5022
COLD GROUND
2B48
6B07
+AUDIO-POWER
2B51
6B08 -AUDIO-POWER
6B06 +12VS
2B46
6B05 1B33 +5V-STANDBY
7B06
2.5AT
2B45
7B50
CONTROL
AUDIO-PROT
B11C
+12V
5401
7401
CONTROLLER
1M09
TO AMBI-LIGHT
5028 1
MODULE
OR 1M09
2
AB
DFI PANEL
1M90
1
TO 1M90
2
AB
3
DFI PANEL
1P11
8
+5V2
7
Standby
6
A1 A1
Boost 5
TO 1P11
N.C
A2
4
SSB
Light_on_of 3
TO
DISPLAY
Power-Good 2
DIM-control 1
TO
DISPLAY
1319
1
2
3 TO
DISPLAY
4
5
1317
1
2
3 TO
DISPLAY
4
5
1B40
1
FOR SERVICE
2
TO PROVIDE
3 EXTERNAL
SUPPLY
4
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