Philips 42PF9731D - Teletext Operations (Continued); Digital Text Services (UK Only); Text Info Display

Block Diagrams, Test Point Overviews, and Waveforms
45BJ2.4U/BJ2.5U LA 6.
Block Diagram Platform Supply 42” Top
STANDBY
AP2
MAINS FILTER + STANDBY
AP1
PLATFORM SUPPLY 42”
FILTER
AP3
6P05
GBL06
-
+
7P27
TEA1506AT
2
SPMS
CONTROL
VCC
DRIVER
DRAIN
14
11
6
8
+400V-F
9
10
HOT GROUND COLD GROUND
SPMS
CONTROL
7S10
TEA1533AT/N1
+25VLP
+5V2-NF
+5V_SW
G_15910_005.eps
220606
6
1P03
F1A
+12-15V
6S12
6S07
5S05
5S10
3108
3S17
3S29
1P06
T5A
3
5S00
6
7
10
8
5
2
1
7S03
TCET1102
2
14
3
7S02
STP6NK60
5P10
5P20
5
7P02
STP6NK607
5P06
3
2
1
3P50
9
INSENSE
3P33
3P27
3P04
3P16
CTRL
7P16
K
A
R
7P11
2
14
3
RC FOR
DEMAGNETIZATION
7
DEM
SUPPLY FOR
CONTROLLER
+AUX
7P26
+400V-F
DRIVER
11
DRAIN
14
5S09
ISENSE
9
3S30
RC FOR
DEMAGNETIZATION
DEM
7
5S01
6
CTRL
3S36
9
5S03
2S13
2S50
+
3S28
3S23
Feedback
Circuit
7S04
K
A
R
2S07
3S19
7S31
5S12
6S01
2S41
+
STANDBY
5P00
SUPPLY FOR
CONTROLLER
7107
2
VCC
+AUX
1P22
1
2
6P06 6P10
7P20
STANDBY
6
8
9
10
2
1
5P01
7
7
5
3
5P05
5P03
5PO7
5P04
5P26
6P27
2P06
+
-12-15V
1P07
T5A
5P11
5P19
6P13
7P23
STANDBY
+12V_NF
5P12
6P11
+12VAL
5P09
5P13
6P12
+12V
5P16
2P48
+
2P50
+
2P49
+
1P30
T5A
7P18
AL-OFF
+8V6
3P57
3P58
3P62
3P61 3P49
7P09
2P12
3P12
1M03
7
1
4
2
3
5
6
10
8
9
DIM_CONTROL
POWER-OK-PLATFORM
ON-OFF
BOOST
POWER-GOOD
STANDBY
+5V-SW
3P56
+T
7P12
2
14
3
3P13
STANDBY
ON-OFF
AUDIO-PROT
CONTROL
+AUX
HOT GROUND
COLD GROUND
HOT GROUND
COLD GROUND
3S22
3S50
2S04
3S21
3S14 3S24
+5V2
5S11
1P10
7
1
4
2
3
5
6
10
8
9
DIM_CONTROL
POWER-GOOD
ON-OFF
STANDBY
POWER OK
+12V_NF
+8V6
+5V_SW
+5V2
POWER-OK-PLATFORM
AL-OFF
BOOST
+5V-SW
FROM 1P02
DISPLAY
SUPPLY
1M18
3
1
2
4
1M46
4
11
7
9
5
3
+8V6
+12V
+5V-SW
+5V2
FROM 1P22
DISPLAY
SUPPLY
1
4
3
2
1P02
2
1
AP1
+400V-F
AP2
AP2
AP2
1P17
12
34
AL-OFF
+5V2-NF
1P16
2
1
RES
1M10
2
6
4
5
3
1
AL
TO 1M10
AMBI LIGHT
B1B
TO 1M46
SSB
(BJ3.0)
B5E
TO 1M03
SSB
(BJ3.0)
TO 1P10
DISPLAY
SUPPLY
9P63
+DC-F
-DC-F
5F00
FILTER
RES
3F04
6F00
5F02
V-CLAMP
5P25
6P02
(Only FJ3.0)
7P14
STANDBY
STANDBY
RES