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Block Diagrams, Testpoint Overviews, and Waveforms
Block Diagram Supply and Deflection
SUPPLY AND DEFLECTION
EPS1B
EXTERNAL POWER SUPPLY
- for "SYSTEM" version only -
0228
BR1
T1
0213
CR1
L5
+12V
1
C
3
AC
2
C7
C23
1
N.C.
DC
2
5
IC1
4
CONTROL
D2
C21
HOT GROUND
HOT COLD
COLD GROUND
A1
POWER SUPPLY
1507
1504
Degaussing
3507
Coil
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
DRAIN
3514
11
G
DRIVER
S
I511
7514
I519
3532
2
9
SENSE
Vcc
2511
3516
CONTROL
IC
3517
6
7
CTRL
DEMAG
6511
3518
1532
1A
STANDBY
SUPPLY
6512
7531
3519
TEA1620
I533
3
14
Vcc
DRAIN
6533
2534
CONTROL
3530
IC
7532
6
12
REG
SOURCE
3538
I531
11
AUX
6532
3534
3531
HOT GROUND
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
L04HU AA
6.
J1
INTERFACE MODULE (SUPPLY PART)
- for "SYSTEM" version only -
0228
1
2
+12V
3740
3
+5V
4
6703
2703
5
DEFLECTION
A4
HERCULES
7541
1503
3
4
ENERGIZING
V_DG
CIRCUIT
7200-H
2
1
(SYNC)
(optional)
5520
F552
6551
5551
5552
9
17
Vbatt
8
18
F563
5562 6563
1543
4
13
-Vaudio
F561
5
14
+Vaudio
3
6571
5561 6562
INTF_Y GREEN_IN
10
56
A5
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
EHTo
97
7561
5531
A2
A4
2x
6564
6565
6566
4
F564
2564
5
3565
I565
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
B
A4
For IDTV only
COLD GROUND
F401
130V / div DC
F402
32V8 / div DC
F455
5V / div DC
20µs / div
21
A2
A2
112
113
116
VERTICAL
VIDEO
GUARD
IDENT
DETECTOR
R.G.B.
TO RGB
BLANKING
PROC.
F206
HDRIVE
PHI 1
HORIZONTAL
PHI 2
HORIZONTAL
62
DETECTOR
OSC.
DETECTOR
OUTPUT
HD
7207
SANDCASTLE
63
MAIN
SAND-
3291
HD_PIP
SYNC
CASTLE
GENERATOR
F205
E/W
EW_DRIVE
108
+
GEOMETRY
X-RAY
PROTECTION
VDRA
106
VERTICAL
VERTICAL
VERTICAL
VERTICAL
OUTPUT
SYNC
SAW-
VDRB
107
DIVIDER
+
SEPARATOR
THOOTH
GEOMETRY
F412
F414
F418
F452
-13V4 / div DC
F453
190V8 / div DC
200V / div DC
2V / div DC
5V / div DC
20µs / div
20µs / div
20µs / div
F458
F459
F460
F461
I417
20 V / div DC
1V / div DC
500mV / div DC
500mV / div DC
500mV / div DC
5ms / div
5ms / div
5ms / div
5ms / div
20µs / div
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
5445
-9V
6486
EHT
F414
3
7405
5402
BU4508DX
1
7404
OR
F418
FOCUS VG2
1404
LINE
1
E/W
OUTPUT
10
CIRCUIT
2
A5
+
E/W
+8V
+8V
HOR.
3497
CORR.
DEFL.
COIL
A5
3420
3440
6
7410
7406
I417
7484
5
7
7411
8
9
FRAME
+9V
I462
3462
F460
7451
3474
Vguard
3465
F461
7455
7456
7454
F458
3466
1491
7453
1
7452
I468
2
VER.
3463
DEFL.
COIL
F459
-12V
3461
FRAME_FB
3471
I433
I462
I468
10V / div DC
10V / div DC
5V / div DC
20µs / div
5ms / div
5ms / div
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
3481
6481
3410
BCL
A4
2403
F452
1454
6452
-12V
F453
6483
6484
Vbatt
6453
3458
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_14820_006.eps
140904
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