Table of Contents
Advertisement
Block Diagrams, Testpoint Overviews, and Waveforms
Block Diagram LSP Supply and Deflection
SUPPLY
FRONT
MAIN SUPPLY
J
A1A
INTERFACE
0201
0231
0202
OR
OR
OR
0211
0212
1051
2
2
4
2
1
1
1
3
5502
5511
6525
2
5503
5516
GBU4J
5504
1505
1501
4
-
2
T5AH
1
V
3509
3
MAINS
FILTER
GND-STB
7505, 7506, 7503
QUICK
SWITCH
OFF
MAIN SUPPLY
STAND-BY SUPPLY
A2
V-START
STARTUP
6109
5101
5109
A10
+375V
7100
7101
7102
7105
STP3NB60
A11
7120
D
G
S
CONTROL
A12
CIRCUIT
5113
3108
3118
GND-STB
A13
5106
3120
6103
-20V
-20V
5102
2102
GND-STB
A1B
5517
MAIN SUPPLY
MAINS
7504
7502
STP5NB60FP
SUPPLY
7530
D
G
CONTROL
S
CIRCUIT
A2
A3
3514
3
4
A4
7507
TCET1103
3520
2
1
3506
VBATT
ADJUSTMENT
A5
3531
1
3530
3507
3
7506
7529
2
TL431CZP
6514
-20V
3510
ACTIVATING
CIRCUIT
3527
SUP-ENABLE
3526
GND-FB
GND-SUP
GND-FB
SUP-ENABLE
HOT GROUND
EM1.1A AA
6.
DEFLECTION
A3
3550
8+
2
1
RP
RS
1502
2
3
3
2
DEG.
1
COIL
A1
1503
1
1
+
HOT
HOT
1550
F2.5AH FOR
4
COLD
COLD
+
AP (PAL)
7501
F4AH FOR
7528
AP (NTSE)
+5.2V_MP
ACTIVATING
CIRCUIT
DEGAUSSING
+375V
B7
PAINTER
3115
B4
6110
VTUN
A8
HOP
3116
6113
5112
+11V_STBY
6117
6119
+11V_ROT
5100
5
6
3161
6148
6118
3
7
1148
5104
+11V
A4
1A25
8
2
A18
6130
5111
5130
+8V6-SWITCH
+8V6
7131
1
10
A20
D
S
2126
STP16NE06
B4
GND-STB
G
7133
HOP
7130
A19
CONTROL
A15
6107
5103
+5.2V
1147
5
7103 OR
1
+5.2V_MP
7104
6111
1A6
+8Vb
+5V-SWITCH
3113
+5V
7141
A21
6122
S
3455
D
4
2
STP16NE06
3124
3456
3114
G
7140
CONTROL
+8V6
A16
7132
STANDBY
B7
A3
3173
PAINTER
HOP
+11V_STBY
FRAMEDRIVE +
5506 OR
A7
5512
B4
5507
6535
5514
5
6
+28V
HOP
6539
+
+
+
4
7
2512
2546
2542
GND-AUD
B4
3
9
HOP
FRAMEDRIVE -
1
10
N.C.
HOT
COLD
COLD
COLD
HOT
HOT
A6
+VBATT
3660
2523 2515
7611
18
LINE DEFLECTION
DC-SHIFT
G
(OPTIONAL)
1430
DC-
SHIFT
400 mA
CIRCUIT
+141V
5400
5401
+VBATT
A26
7421
BU2520DX
6408
3415
A25
+11D
5410
+5.2V
4
9
6407
3416
A24
1
6
A22
7409
LINEDRIVE 1
2492
3406
3414
+
A23
7408
3404
COLD HOT
FRAME DEFLECTION
E/W - DRIVE
+8V-S
+141V
E/W DRIVE
TO 1693
1693
3654
I
3492
6456
DAF
3493
3488
7450-B
EW-DRIVE 1
5
7
6
3484
A37
1
7482
A38
5
3481
A45
7486
4
+8Vb
2
3483
CURRENT
SOURCE
7487
3457
2403
7440-B
7442, 7654
5
7
7653
6
FRAME DEFLECTION
EW
3419
7441
PROTECTION
CIRCUIT
2404
2457
7455
+8V6
5621
HFB_X-RAY-PROT
1
6
3459
5
10
3641
7614
7450-A
7641
3
7440-A
3
1
7443
A33
1
2
7652
2
A34
A36
A35
3658
PROTECTION
CIRCUIT
3657
6627 6626 6625
+8V-S
+13V-LOT
6620
2622
A42
TV
3638 7620
3640
2
6
3
TDA8177
3631
3642
FLYBACK
3643
3630
7
A43
GENERATOR
5
OP. AMP
1
THERMAL
A44
3632
3634
7612
PROTECTION
A40
4
A39
-15V-LOT
3623
0317
1
2
1417
1
2
5430
DYNAMIC FOCUS
LOT
5
EHT
1
TO
FOCUS A
F
LINE
OUTPUT
FOCUS B
CRT
CIRCUIT
VG2
+
2430
EW
CORR.
3431
5421
+11D
3450
3451
2431
10
EHT-INFO
3400
6400
8
2442
3437
6480
11
5467
7480
STP3NB60
A47
9
FILAMENT
D
A46
G
3
S
3460
A48
12
4
3461
3479
3480
6
HOT COLD
6491
EW
3463
6463
3462
6462
5463
3465
6465
+13V-LOT
3464
6464
5465
3635
A50
+8V-S
SUP-ENABLE
1
3636
7613
3
TL431
3637
2
-15V_LOT
3498
A49
3449
3627
+11D
+8Vb
ROTATING CIRCUITRY
A5
6619
1601
+11V_ROT
7680
125mA
TDA7052
1
+Vp
3647
1625
1
5620
TILT
3686
2
B4
2
3
VERT.
HOP
7681
3684
DEFL.
3620
7682
COIL
3685
SWITCH OFF
6
CIRCUIT
IN STAND-BY
6080
1419
DAF
I
1
2
1417
1418
1
1
LINE
DEFLECTION
2
2
COIL
5800
HOT
COLD
1497
1
HOR. DAF
CIRCUIT
1693
TO
1
A4
VER. DAF
+11D
CIRCUIT
E/W
(OPTIONAL)
DRIVE
1491
2
3
1
1
1492
1424
+11D
1
2
FILAMENT
TO
HFB_X-RAY-PROT.
1224
3
F
4
CRT
5
6
A28
7
200V
EHT-INFO
B4
3X
2443
HOP
HFB_X-RAY-PROT.
A4 B4
A30
A29
6460
5461
+11D
7445
B4
POR
POR
HOP
A6
AUDIO
COLD
HOT
A31
+13V - LOT
2462
A32
-15V - LOT
2464
1495
+13V LOT
1
TO
2
PANEL
3499
ON
3
CRT
-12V8
4
NECK
(optional)
HOT
COLD
5
1620
1
ROTATION
2
DEFLECTION
3
8
COIL
CL 36532061_002.eps
020903
Advertisement
Table of Contents
