Testpoint Overview Mono Carrier And Crt Panel - Philips 29PT5445/85 Service Manual

Block Diagrams, Test Point Overviews, and Waveforms

Testpoint Overview Mono Carrier and CRT Panel

MONO CARRIER TRACK SIDE VIEW
7496
F491
0246
F907
F908
F909
F906
3905
F903
6692
IRRCR
F691
1
Mains
Switch
COLD
HOT LIVE PART
F003 F301 F302 F303
200mV / div AC
1V / div DC 1V / div DC 1V / div DC
20µs / div. 20µs / div. 20µs / div. 20µs / div.
F449 F461 F481 F491
50V / div DC 20V / div DC 0,5V / div DC 2V / div DC
20µs / div.
20µs / div. 5ms / div. 20µs / div.
L03.1U AA 6.
F492 F642
F643
6491 3643
3642
F494
A2 A1
7641
K 5 8
7493 NVM
In
4 1
7200
Out 1
E
F493
C
C
B
B
Video Processor
7494 F F494
64 44
I211
7901
7902
Audio
1622
12
Output
1
8 1
F603
5
F604
F605 Audio
3903
I836
Demodulator
1
F901
12
15 24
13
7821
13
I830
12
1
Audio
Processor
I542
6560
I553
I540
6570
6562
8 9 10 12 13
Power Trafo 5520
F510
7 6 5 3 2 1
I514
D
Supply
I505 I533
Output
G
S
7 2 1
7520
8 14
Supply Line
Output
Control
7421 C
B E
F425
HOT COLD
F308 F309 F310 F407
50V / div DC 50V / div DC 50V / div DC 100V / div DC
20µs / div. 20µs / div. 20µs / div. 20µs/div.
F492 F493 F494 F510
2V / div DC 2V / div DC 2V / div DC 50V / div DC
20µms / div. 20µs / div. 20µs / div. 5µs / div.
EN 15
1003
Compair conn.
1 3
11 1
F003 Tuner
1000
32
33
3488
F481
1
7841
21 22
24
I847
0222
I848
F461
2 1
Frame Output
7464
I461 I462
B
E B E B C
7462 7461
2405 C C E
7463
F446 B
+
F422
C
E B C
6444
E
7465
I465
6446
F448
4
5
6
3
7
5441
2
8
LOT
9
1 10
6447
F449
F407
F425 F446 F448
5V / div AC 2V / div DC 10V / div DC
20µs / div. 20µs / div. 20µs / div.
F603 F604
F422 97V DC
F540 97V DC
F542 13V5 DC
1V / div DC 1V / div DC
20µs / div. 20µs / div.
CRT TRACK SIDE VIEW
F309 G
9 10
8
7
F308 R
6
4
5
1300
3 2 1
F301
8
F302
F303
F605 F642 F643
1V / div DC 0.5V / div DC 0,5V / div DC
20µs / div. 20µs / div. 20µs / div.
F901 F903
F691
0.5V / div AC 0.5V / div AC
1V / div AC
2ms / div. 1ms / div. 1ms / div.
F906 F907
F905
0,5V / div AC 0.5V / div AC
0,5V / div AC
1ms / div. 1ms / div. 1ms / div.
I211 I461
F908
1V / div DC 0.5V / div DC
0.5V / div AC
1ms / div. 1ms / div. 5ms / div.
I462 I465
I505 =17V8 DC
0.5V / div DC 1V / div AC
5ms / div. 5ms / div.
I514 I533
I830
100V / div DC 2V / div DC
1V / div DC
5µs / div.
5µs / div. 1ms / div.
I836 I847 I848
1V / div DC
0.5V / div DC 0.5V / div DC
1ms / div.
1ms / div. 1ms / div.
11
12
3
F310 B
1302
CL 36532044_031.eps
200603