Block Diagram Supply And Deflection - Philips L04E Service Manual

Block Diagrams, Test Point Overviews, and Waveforms

Block Diagram Supply and Deflection

SUPPLY
J
FRONT INTERFACE
1108 1110 1505
1 1
2 2
A1
POWER SUPPLY
1504
Degaussing
3507
Coil
t
5500 :
1506
1505
5502 6500
1500
AC
T4E
2505
DC
OR
1505
9507
MAIN
9508
SUPPLY
3513
7511
7512
TEA1506T 14
D
3514
DRAIN
11 G
DRIVER S
7514
3532
2
SENSE 9
Vcc
2511 3516
CONTROL
IC
3517
6 7
CTRL DEMAG
6511
3518
1532
1A
STANDBY
SUPPLY
6512
7531
3519
TEA1620
3 14
Vcc DRAIN
6533
CONTROL 2534
3530 IC
6 12
7532
REG SOURCE
3538
I531
11
AUX
6532 3534
3531
HOT GROUND
L04E AE 6.
DEFLECTION
A4
HERCULES
7541
1503
3 4
ENERGIZING
V_DG
CIRCUIT
2 1 7200-H
(optional)
(SYNC)
5520
6551
5551 5552
9 17
Vbatt
8 18
5562 6563 1543
4
13
-Vaudio
5
14
+Vaudio
6571
3 INTF_Y GREEN_IN
5561 6562
10
56
A5
2
SEPARATOR
+6VA
3571
11
7571
3575
REFERENCE
CIRCUIT
3576
4
1 +3V3
7515
7573
TCET1103
Stdby_Con
STANDBY
2
3 A4
CIRCUIT
6573
3532
EHTinfo
POWER-DOWN
97 EHTo
5531 7561 A2
A4 2x
6564 6565 6566
4
2564
5 3565
6535
10
+3V
+6VA
6676
9 2535
+6VA
6536
5537
1 8
+6V
2536
2
6537
6
Vaux
S D
7535
G
7536
For IDTV only
COLD GROUND
22
A2 A2
112 113 116
VERTICAL
VIDEO
GUARD
IDENT
DETECTOR
R.G.B.
TO RGB
BLANKING PROC.
HDRIVE
PHI 1 HORIZONTAL PHI 2 HORIZONTAL
62
DETECTOR OSC. DETECTOR OUTPUT
HD
7207
SANDCASTLE
63
HD_PIP
MAIN SAND- 3291
SYNC CASTLE
GENERATOR
SEE BLOCK DIAGRAM VIDEO
E/W
EW_DRIVE
108
+
GEOMETRY
X-RAY
PROTECTION
VDRA
106
VERTICAL
VERTICAL VERTICAL
VERTICAL
OUTPUT
SYNC SAW- VDRB
107
DIVIDER +
SEPARATOR THOOTH
GEOMETRY
A2
LINE + FRAME DEFLECTION
Vbatt
+6VA
LINE
7408
HD
6486 5445
-9V
EHT
3
7405
5402
BU4508DX 1
7404
FOCUS VG2
1404
LINE
1
E/W
3442
OUTPUT
10
CIRCUIT
A5 2
+
6481
E/W
HOR.
+8V +8V 3497
CORR.
DEFL.
COIL
A5
3420 3440
1454
6
7410 7406
Vbatt
7484
5
7
7411
8
9
FRAME
+9V
SEE BLOCK DIAGRAM VIDEO
3462
VD
A5
7451
3474 Vguard
A4
3465
7455 7456 7454
3466
1491
7453
1
7452
2
VER.
3463 DEFL.
COIL
-12V
3461 FRAME_FB
3471
6401
7401 : 7403
7480 : 7483
TO
3411 POWER-DOWN
CRT A1
B1
FRAME_FB
+Vbatt
EHTb
EHTb
+
EHTinfo
3451
+
BCL EHTinfo
PROC. A4
3481
3410 BCL
A4
2403
6452
-12V
6483 6484
3458
6453 VIDEO/SUPPLY
3484
3485
6456 1452
+9V
3457 2456
6454
6455
3455 6459
1401
EHTb
5
4
TO 1351
FILAMENT
B1
3
CRT
VIDEO/SUPPLY
2
1
Vbatt
3401
VT_SUPPLY
A4
G_16810_035.eps
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