Block Diagram Display Supply 42" Top - Philips 42PF9731D Service Manual

Block Diagrams, Test Point Overviews, and Waveforms

Block Diagram Display Supply 42" Top

PLATFORM SUPPLY 42"
AP1 MAINS FILTER + STANDBY
1P22
1P03
6P06
1
FROM 1P22
6P05
F1A
DISPLAY
2 1
GBL06
AP3
SUPPLY
3 2
+DC-F
4
-DC-F
1P02
2
FROM 1P02
DISPLAY
1
SUPPLY
1P17
1 2
HOT GROUND
COLD GROUND
3 4 AL-OFF
+5V2-NF
RES
STANDBY
ON-OFF
CONTROL
AUDIO-PROT
1P10
DIM_CONTROL 1
2
POWER-GOOD
ON-OFF 3
4
BOOST 5
TO 1P10
DISPLAY
6
SUPPLY
STANDBY 7
8
9
+5V-SW
AP2
10
1M03
DIM_CONTROL 1
POWER-OK-PLATFORM 2
ON-OFF 3
4
TO 1M03
5 B5E
+5V-SW
AP2 SSB
3P56
6
(BJ3.0)
+T
STANDBY 7
8
BOOST 9
10
POWER-GOOD
BJ2.4U/BJ2.5U LA
+400V-F
AP2
+400V-F
9P63
RES
FILTER
6P02
V-CLAMP 5P25
7P27
TEA1506AT
5F00
SPMS
3F04
CONTROL
14
FILTER
DRAIN
(Only FJ3.0)
1P16 11
DRIVER
6
2
CTRL
1
2
VCC
RES
9
INSENSE
7
DEM
RC FOR
+AUX
DEMAGNETIZATION
1 4
7P12
7P26
2 3
3P13 SUPPLY FOR
CONTROLLER
AP2 STANDBY
5S05
+400V-F
AP1
7S10
TEA1533AT/N1
DRIVER
SPMS
CONTROL
14
DRAIN
6 ISENSE
CTRL
2
VCC
7
DEM
RC FOR
DEMAGNETIZATION
7107
SUPPLY FOR
CONTROLLER
6. 43
HOT GROUND COLD GROUND
5P00
5P06
6
5
7
5P26 5P04
3 8
2 9
7P02
10
1
STP6NK607
3P04
5P01
6
5
3P33 3P27
7
3
8
5P05
2
9
5P03 10
1
3P61
+
4 1
7P11
+AUX
3 2
7P16
5S00
6
5
5S09 5S12
7
3
7S02
STP6NK60
8
3S17
11
5S03
9
3S22
2
10
3S29 3S30
1
9
5S01
3S36
4 1
7S03
+AUX
TCET1102
3 2
7S04
Feedback
Circuit
HOT GROUND COLD GROUND
1P06
6P10
5P10 5P20 +12-15V
7P20
T5A
STANDBY
6P13 1P07 -12-15V
5P11 5P19
7P23
T5A
STANDBY
6P11
5P12
+12V_NF
+
6P12
5P13 5P09
+12VAL
7P18
+
AL-OFF
5P16
+12V
+
1P30 3P57 3P58
7P14 +8V6
3P49
T5A
7P09
STANDBY
+12V_NF
+8V6
POWER-OK-PLATFORM
POWER OK
+5V_SW
+5V2
2S04
6S01 3S21
+25VLP
+
2S13
+5V2-NF
+
6S07
5S11
+5V2
+5V_SW
7S31
STANDBY
3S28
2S07 3S19
1M46
3
+8V6
4
+12V
TO 1M46
5
+5V-SW B1B
7 SSB
+5V2
(BJ3.0)
9
11
1M18
1
AL-OFF
2
3
4
1M10
1
2
STANDBY
TO 1M10
3
AL
4
AMBI LIGHT
5
6
G_15910_004.eps
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