Block Diagram Display Supply 37" Entry - Philips 42PF9731D Service Manual

Block Diagrams, Test Point Overviews, and Waveforms

Block Diagram Display Supply 37" Entry

SUPPLY 37"
A1 MAINS FILTER + STANDBY
5305
1308
5306 1350
1314
2
2 3
MAINS
T5AH
1 FILTER
1 4
HOT GROUND
COLD GROUND
6306
DF06M
1315
- +
T1A
2303
BJ2.4U/BJ2.5U LA 6.
A2 SUPPLY
3318 2319
6304 25V_HOT
6307
GBJ6J
400V_HOT
- +
5007 5008 399V_HOT
7001
MC34067P
11
OSCC
3007 CONTROL
399V_HOT
7
ERROR
7011
25V_HOT
7012
11
SOST
SOFT
START
5
VREF
+
CURRENT
1 4 PROTECTION
7004
7307
7009
TCET1102
2 3
OVER
VOLTAGE
PROTECTION
SA2 STANDBY
+5V2
1 1
2 2
Prot-OVV
CONTROL
3 3
PROT_AUDIOSUPPLY
7505/7509/7560
5504 5505
1 1
2 2
1
2
N.C.
3
4
42
4
BIAS SUPPLY
3
3000 6025 6024
5017 5010
400V_HOT
2003
7005
STP15NK50
5001
7007
HIGH
15
6
SIDE
VCC
DRIVE
7
5012
14 4
OA
12 2
7006
OB
STP15NK50
7008
10
FI
LOW
10
SIDE
DRIVE
9
PRINTED
COMPONENT
HOT GROUND
SA2
SA1
COLD GROUND
HOT GROUND
5500
5110
6
5
7100
7101 5104 7
3
7105
8
2
7102
STP15NK50
1
10
3104
CONTROL
3V MAX
3150
1V MAX STBY
3127 3128
4 1
7501
TCET1102
3 2
3100
3158
6150 6151 3155 3156 PROT-OVV
1 4
7150
TCET1102
2 3
HOT GROUND COLD GROUND
3057
1
7002
TCET1102
2
7003
3031 DC_PROT
5011
6019
STPS20L40CFP
+12V
2020
2029
5025 +24Va
6021
2022
6041
2045
5026
7010
TS2431
5002
VS Voltage
Adj.
2042 +24Vb
5021
6031
6040
2049
5022
1M02
DC_PROT
1007 2009 VSND_POS
5020
T5A
6029
GND_SND
5018
6030
2021
5019 VSND_NEG
COLD GROUND
+5V2-RELAY-IO2_PWM
3534 3539
7507
7506
7512
STANDBY
7511
6504 3509
VTUN
6140
+11V
2141
+12V
7131 +8V6
6107
5103 2513 5506
+5V2
6122 2512
3124 3113 STANDBY
STANDBY: LOW = ON
HIGH = STBY
7531
OVERVOLTAGE
PROTECTION
+5V_SW
CONNECTIONS
SA1
1316
1
2
3 TO
DISPLAY
4
5
1319
1
2
+12V_A
4 4
3
TO
3 3 4
DISPLAY
2 2 5
+12V_+24V
1 1
1M10 TO 1M10
1 AL
2
AMBI LIGHT
(OPTIONAL)
7
6
5
TO 1M02
4 SA3
3 AUDIO
2
1
1M03
TO 1M03
9 B01B B5E
2
VIPER
5
1M46
8
1
2
11
9
4
TO 1M46
3
B01B B1B
6
DC/DC
CONNECTIONS
7
5
G_15910_003.eps
220606