Table of Contents
Advertisement
Block Diagrams, Testpoint Overviews, and Waveforms
Block Diagram Supply and Deflection
SUPPLY AND DEFLECTION
SUPPLY
J
FRONT INTERFACE
1231
1211
1212
1
1
2
2
MAINS
SWITCH
(not USA)
A1
POWER SUPPLY
1504
Degaussing
3507
1505
Coil
t
5500 :
1506
6500
5502
1500
AC
F508
T4E
OR
1505
2505
DC
MAINS
SWITCH
(not USA)
MAIN
SUPPLY
I513
3513
7511
I516
7512
TEA1506T
14
D
DRAIN
3514
11
G
DRIVER
S
I511
I519
7514
3532
2
9
SENSE
Vcc
3516
2511
CONTROL
IC
3517
6
7
CTRL
DEMAG
6511
3518
1532
1A
STANDBY
SUPPLY
6512
7531
3519
TEA1620
I533
3
14
Vcc
DRAIN
6533
CONTROL
2534
3530
IC
6
12
7532
REG
SOURCE
3538
I531
11
AUX
6532
3534
3531
HOT GROUND
L04L AA
6.
DEFLECTION
A4
HERCULES
7541
1503
3
4
ENERGIZING
V_DG
CIRCUIT
7200-H
2
1
(SYNC)
(optional)
VIDEO
IDENT
5520
F552
6551
5551
5552
9
17
Vbatt
8
18
F563
5562 6563
1543
4
13
-Vaudio
F561
5
14
+Vaudio
6571
3
5561 6562
INTF_Y GREEN_IN
10
56
A5
SYNC
2
SEPARATOR
+6VA
3571
11
7571
3575
REFERENCE
CIRCUIT
3576
4
1
+3V3
7515
7573
TCET1103
Stdby_Con
2
STANDBY
3
A4
CIRCUIT
I573
6573
3532
EHTinfo
POWER-DOWN
97
EHTo
7561
A2
5531
A4
2x
6564
6565
6566
4
F564
2564
3565
5
6535
10
+3V
+6VA
6676
9
2535
+6VA
F536
6536
5537
1
8
+6V
2536
2
F537
6537
6
Vaux
S
D
7535
G
I548
7536
For IDTV only
COLD GROUND
38
A2
A2
112
113
116
VERTICAL
GUARD
DETECTOR
R.G.B.
TO RGB
BLANKING
PROC.
HDRIVE
PHI 1
HORIZONTAL
PHI 2
HORIZONTAL
62
DETECTOR
OSC.
DETECTOR
OUTPUT
HD
7207
SANDCASTLE
63
MAIN
SAND-
CASTLE
GENERATOR
E/W
EW_DRIVE
108
+
GEOMETRY
X-RAY
PROTECTION
VDRA
VERTICAL
106
VERTICAL
VERTICAL
VERTICAL
OUTPUT
VDRB
SYNC
SAW-
107
DIVIDER
+
SEPARATOR
THOOTH
GEOMETRY
G
LINEARITY & PANORAMA
ONLY FOR:
28"WSRF LA/NA
32" WSRF LA/NA
28" WS-SF LA
1404
4
1
1462
+9V
1
TO 1221
2
A5
I2SD/1
CONNECTIONS
3
A2
LINE + FRAME DEFLECTION
Vbatt
+6VA
LINE
7408
F402
F412
HD
6486
5445
-9V
EHT
F414
3
7405
5402
BU4508DX
1
7404
OR
F418
FOCUS VG2
1404
LINE
E/W
1
OUTPUT
10
CIRCUIT
A5
2
+
E/W
+8V
+8V
3497
HOR.
CORR.
DEFL.
COIL
3420
3440
1454
6
7410
7406
I417
7484
5
7
7411
8
9
FRAME
+9V
3462
F460
7451
3474
Vguard
3465
F461
7455
7456
7454
F458
3466
1491
7453
1
7452
2
VER.
DEFL.
3463
COIL
F459
-12V
3461
FRAME_FB
3471
7460
ACTIVATING
CIRCUIT
7462
2464
2466
2467
1461
4
LINEARITY AND
PANORAMA
1
CORRECTION
HOR.
DEFL.
2474
COIL
2475
1463
7463
6401
I433
7401 : 7403
7480 : 7483
TO
3411
POWER-DOWN
CRT
A1
B1
FRAME_FB
+Vbatt
EHTb
EHTb
+
EHTinfo
3451
+
3442
BCL
EHTinfo
PROC.
A4
6481
3481
3410
BCL
A4
2403
F452
6452
-12V
F453
Vbatt
6483
6484
3458
6453
VIDEO/SUPPLY
3484
F455
FILAMENT
3485
6456
1452
+9V
3457
2456
6454
6455
3455
6459
1401
EHTb
5
4
A4
FILAMENT
TO 1351
3
B1
VIDEO/SUPPLY
2
CRT
1
Vbatt
3401
VT_SUPPLY
A4
F401
E_14480_024.eps
270204
Advertisement
Table of Contents
