Block Diagram Supply And Deflection - Philips 32PF9968/10 Service Manual

Block Diagrams, Test Point Overviews, and Waveforms

Block Diagram Supply and Deflection

SUPPLY AND DEFLECTION
SUPPLY
J
FRONT INTERFACE
1231
1211 0212
1 1
2 2
MAINS
SWITCH
(not USA)
A1
POWER SUPPLY
1504
2
Degaussing
3507
Coil 1
t
5500 :
1506
1505
5502 6500
1500
AC
F508
T4E
2505
DC
MAINS
SWITCH
(not USA)
MAIN
SUPPLY
I513
3513
7511
I516
7512
TEA1506T 14
D
3514
DRAIN
11 G
DRIVER S
I511 7514
I519
3532
2 9
SENSE
Vcc
2511 CONTROL 3516
IC
3517
6
7
CTRL DEMAG
6511
3518
1532
STANDBY
T315mA
SUPPLY
6512
7531
3519
TEA1623
I533
3 14
Vcc DRAIN
6533
CONTROL 2534
3530
IC
6 12
7532
REG SOURCE
3538
I531
11
AUX
6532 3534
3531
F508 268V / div DC F552 130V / div DC
F511 15V5 / div DC F561 15V9 / div DC
F531 2V7 / div DC F564 9V4 / div DC
F537 0V (N.A.) F573 0V (N.A.)
I513 I516 I519 I533
100V / div DC 100V / div DC 2V / div DC 100V / div DC
5µs / div 5µs / div 5µs / div 5µs / div
HOT GROUND
L04A AD 6.
7541
1503
3 4
ENERGIZING
V_DG
CIRCUIT
2 1 (optional)
TI
TRIDENT INTERFACE
1206
8
12
5512
F552
6551 2
5551 5552
9 17
Vbatt
8
18
4
F563
5562 6563 1543
4 13
-Vaudio 6
F561
5
14
+Vaudio
6571 7
3 5561 6562
10
10
2
+6VA
9
3571
11 11
7571
3575
REFERENCE
CIRCUIT
3576
4 1
7513
7573
TCET1103
Stdby_Con
2 STANDBY
3
A4
CIRCUIT
I573
6573
3532
1202
POWER-DOWN
1
5531 7561
A4 2x
6564 6565 6566
4
TO
2
F564
1202
2564
5 3565 A10
3
4
6535
10
+3V
+6VA
6676
9 2535
+6VA
F536
6536
5537
1 8
+6V
2536
2
F537
6537
6
Vaux
S D
7535
I548
G
7536
B
A4
For IDTV only
COLD GROUND
20
T1
TRIDENT INTERFACE BOARDA
DEFLECTION
7201-2
6930DPTVSVP
DAC
&
27
DDP
28
29
35
34
A2
LINE + FRAME DEFLECTION
EHTb
PROC 1201 1403
EHTb
1 1
A2
HD HD
2 2
H_DRIVE H_DRIVE
3 3
4 4
EW_DRIVE EW_DRIVE
5 5
VDRA VDRA
6 6
+9V +9V
7 7
VDRB VDRB
8 8
BCL BCL
9 9
A2
EHT_INFO EHT_INFO
10 10
A2
V_GUARD V_GUARD
11 11
7208
L4978
5203
5 4
6206
SUPPLY
8
FB
7207
L78L05ACZ 1205
7
TO
+5V
6 1205
T5
7201
6930DPTVSVP
VDRA
+8V 5
VDRB
T5 DISPLAY & PROCESSING
(SYNC PART)
7218
TDA9332H 35 36 37 38
43
Y_OUT
R_OUT
28
RGB R 40
INSERTION
Y/U/V
OUTPUT
G_OUT
SEE ALSO U_OUT
RGB G 41 SEE ALSO
27 AMPL.
BLOCK DIAGRAM MATRIX BLOCK DIAGRAM
VIDEO CATHODE VIDEO
CALIBR. B_OUT
B 42
V_OUT
26
44
BC
Y U V
HOP
DPTV_R
30
E/W 3
DPTV_G
31 RGB DRIVE
EHT_INFO
ERR
4
YUV
DPTV_B 22
32 MATRIX
2
V_SYNC
23
RAMP
FRAME 1
GEN
H_SYNC 24 8
STARISTOP
PH1-1 PH1-2
H-DRIVE
SDA
11
SCL 10
20 21 9 13 14 29 22 5
1301
12MHz
5410 3451 3452
Vbatt
LINE
5445
EHT
TO
F414 3
CRT
7405
5402
BU4508DX 1 B1
7404
F418
FOCUS VG2
1404
LINE
1
3442
OUTPUT
10
CIRCUIT
2
+
6481 3481
E/W
HOR.
CORR.
DEFL.
COIL
E/W
7406
5403 6408
1454
6
3497 3439
Vbatt 6483 6484
6453
5
HD
1455
7
6456 1452
8
1456
6459
9
HD
FRAME
F460
+9V
VD
6464
3462
A4
7451
3474 V_GUARD
6442
F461 7455 7456 7454
F458
3466
1491
7453
1
7452
2
VER.
3463 DEFL.
COIL
F459
-12V
3461
3471
1206
ABL
10
9
EHT_INFO
EW_DRIVE
4
VD+
6
7
VD-
H_DRIVE
2
HD
12
FLASH
8
11
V_GUARD
7481 : 7483
POWER-DOWN
A1
A2
EHTb
EHTb
+
EHTinfo
+
EHTinfo
BCL
PROC. A2
BCL
A2
F452
6452
-12V
F453
3458 VIDEO/SUPPLY
FILAMENT
+9V
5409
2456
6454 6460
1401
EHTb
5
4
FILAMENT
TO 1351
3
B1
VIDEO/SUPPLY
2 CRT
1
Vbatt
3401
VT_SUPPLY
A3
F401
E_14770_002.eps
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