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Block Diagrams, Testpoint Overviews, and Waveforms
Block Diagram Supply and Deflection
SUPPLY
J
MAINS SWITCH
A1
MAIN SUPPLY
PANEL (PARTLY)
1031
NOT IN PV02
MODEL
or
0201
1051
0202
1505
1501
1606
2
2
2
3
1
T5A
T6,3A
1
1
V
3509
1
4
2
220V
MAINS
SWITCH
STAND-BY SUPPLY
A2
V-START
6109
6525
STARTUP
GBU4K 2
A1
1503
3110
1
4
-
+
+375V
7100
2.5A
+
7101
7102
3
2516
7105
STP3NB60
A11
7120
D
G
S
GND-STB
CONTROL
A12
CIRCUIT
5113
3108
3118
5517
A13
6103
-20V
-20V
5102
2102
-20V
MAIN SUPPLY
7504
7502
STP5NB60FP
7530
D
G
CONTROL
S
CIRCUIT
A2
A3
3514
3
4
A4
7507
TCET1103
3520
2
1
3506
VBATT
ADJUSTMENT
A5
1
3530
3507
3
7506
2
TL431CZP
3510
3527
3531
3526
GND-STB
GND-SUP
7529
-20V
ACTIVATING
SUP-ENABLE
CIRCUIT
HOT GROUND
EM5.2E AA
DEFLECTION
A3
3550
8+
2
1
5502
5511
RP
5503
5516
RS
5504
3
1502
2
3
2
DEG.
5515
COIL
1
MAINS
FILTER
3537
1
HOT
HOT
1550
4
COLD
COLD
7501
7528
+5.2V_MP
ACTIVATING
CIRCUIT
DEGAUSSING
B5
OTC
B4
HOP
3115
6110
VTUN
A8
3116
5100
6113
5112
5
6
+11V_STBY
A10
2118
A18
3
7
3161
+11V
A4
5104
2
8
5111
6130
5130
+8V6-SWITCH
+8V6
7131
1
10
A20
D
S
2126
5107
B4
G
7133
HOP
7130
A19
CONTROL
A15
6111
5103
+5.2V
5
7103 OR
1
+5.2V_MP
7104
+5V-SWITCH
3113
+5V
7141
A21
6122
3455
D
S
4
2
3124
3456
3114
G
7140
CONTROL
+8V6
A16
7132
STANDBY
B5
B4
OTC
HOP
FRAMEDRIVE +
A7
5506
B4
5507
6535
5514
+16V+19V
5
6
HOP
AUDIO SUPPLY
+
+
4
7
2512
2542
8
B4
GND-AUD
3
9
+
+
2511
2543
HOP
6536
5509
5513
FRAMEDRIVE -
-16V-19V
1
10
AUDIO SUPPLY
HOT
COLD
A8
COLD
COLD
HOT
HOT
A6
+VBATT
3660
2515
GND-STB
6.
24
LINE DEFLECTION
G
DC-SHIFT (OPTIONAL)
1430
DC-
SHIFT
400 mA
CIRCUIT
+141V
5400
5401
+VBATT
5426
7421
A26
6408
3415
BU2520DX
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
E/W DRIVE
+8V-S
+141V
TO 1693
1693
3654
I
DAF
3492
6456
3493
7450-B
EW-DRIVE 1
5
6615
7
6
3484
A37
1
7482
A38
5
A45
7486
4
+8Vb
2
CURRENT
+8V6
SOURCE
7487
3457
2403
7440-B
7442, 7654
5
7
7653
6
FRAME DEFLECTION
EW
3419
7441
PROTECTION
CIRCUIT
3404
2457
7455
+8Vb
HFB_X-RAY-PROT
5621
6
1
5
10
3459
3641
7614
7450-A
7641
3
7440-A
3
1
7443
A33
1
2
7652
2
A34
A36
3658
A35
PROTECTION
CIRCUIT
3657
6627 6626 6625
+13V-LOT
+8V6
6620
2622
+
TV
3638 7620
3640
2
6
3
TDA8177
3631
3642
7611
FLYBACK
3643
3630
7
GENERATOR
OP. AMP
1
THERMAL
3632
3634
7612
PROTECTION
A40
4
A39
-15V-LOT
3623
317
or
318
1
2
5430
DYNAMIC FOCUS
LOT
5
EHT
1
TO
FOCUS A
F1
LINE
OUTPUT
FOCUS B
CRT
CIRCUIT
VG2
+
2430
EW
CORR.
3431
5421
3450
3451
2431
10
EW
3400
8
3454
6480
11
5467
7480
3488
STP3NB60
A47
9
FILAMENT
A46
D
G
3
3460
S
3481
A48
12
4
3461
3479
3480
3483
6
HOT COLD
6491
6499
EW
3463
3462
5463
3465
+13V-LOT
3464
5465
3635
A50
+8V-S
SUP-ENABLE
1
3636
7613
3
TL431
3637
2
-15V_LOT
A49
3449
3627
+11D
+8Vb
A5
ROTATING CIRCUITRY
A42
6619
1601
6622
+11V_ROT
7680
125mA
TDA7052
3647
1625
A43
5
1
5620
2
TILT
3686
2
B5
A44
3
3
VERT.
OTC
7681
3684
DEFL.
3620
7682
COIL
3685
SWITCH OFF
CIRCUIT
IN STAND-BY
6080
1419
I
DAF
1
2
1417
1418
1
1
LINE
DEFLECTION
2
2
COIL
5800
HOT
COLD
1497
1
HOR. DAF
CIRCUIT
1693
TO
1
A4
+11D
VER. DAF
E/W
CIRCUIT
DRIVE
1492
1491
1
2
3
1
1424
+11D
1
FILAMENT
2
+11D
TO
HFB_X-RAY-PROT.
3
1224
F
4
EHT-INFO
CRT
5
6
A28
6400
11V
7
EHT-INFO
A8
2443
TUNER, SIM
A30
A29
6460
5461
+11D
B4
HOP
7445
A6
POR
POR
AUDIO
POR
B5
FLASH
OTC
COLD
HOT
6463
A31
+13V - LOT
6462
2462
6465
A32
-15V - LOT
6464
2464
1495
+13V LOT
1
TO
2
PANEL
3498
3499
ON
3
CRT
-12V8
4
NECK
HOT
COLD
1
+Vp
5
1620
1
ROTATION
2
DEFLECTION
3
8
COIL
6
E_14600_050.eps
160904
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