Table of Contents
Advertisement
Block Diagrams, Testpoint Overviews, and Waveforms
Supply Lines Overview
SUPPLY LINES
MAINS SWITCH
MAIN SUPPLY
J
A1
PANEL
(PARTLY)
5502
5511
5503
5516
5504
0201
1051
0202
0202
1501
1060
2
2
2
3
1
T5A
V
3509
1
T6,3A
1
1
4
2
MAINS
220V
MAINS
FILTER
SWITCH
STAND-BY SUPPLY
A2
V-START
6109
6525
STARTUP
GBU4J 2
A1
5100
3110
1503
4
1
5
-
+
+375V
7100
A10
2.5A
+
7101
7102
3
3
2516
7105
STP3NB60
5104
A11
7120
D
2
G
S
GND-STB
1
CONTROL
A12
CIRCUIT
5113
3108
3118
A15
5
7103 OR
1
7104
A13
6103
-20V
-20V
5102
4
2
2102
A16
-20V
MAIN SUPPLY
7504
7502
5506 OR
STP5NB60FP
7530
5612
D
G
CONTROL
5
CIRCUIT
S
A2
4
A3
3514
3
3
4
1
A4
HOT
COLD
7507
TCET1103
3506
3520
2
1
VBATT
ADJUSTMENT
A5
1
3530
3507
3
A6
7506
2
TL431CZP
6514
2523 2515
3510
3527
3531
3526
GND-STB
GND-SUP
GND-STB
7529
-20V
ACTIVATING
SUP-ENABLE
CIRCUIT
HOT GROUND
FRAME
A4
DEFLECTION
E/W DRIVE
3449
+11D
EM5.2E AA
ROTATING
A5
CIRCUITRY
+11V
3550
+11V
1601
1
7680
8+
2
1
TDA7052
125mA
RP
RS
3
1502
2
3
2
DEG.
COIL
1
FRONT
A10
1
HOT
1550
1946
4
COLD
+5V2
4
7501
7528
+8V
9
+5.2V_MP
ACTIVATING
CIRCUIT
DEGAUSSING
B5
TUNER SIM CONN.
OTC
A8
VTUN
3115
A8
3910
3907
6110
VTUN
7911
L78L05
3116
IN
OUT
6113
5112
6
+11V_STBY
7912
1149
+11V
MC78M05
+8V
7
1.6A
3161
6148
5902
+8V
8
6130
5111
5130
+8V6-SWITCH
+8V6
3941
7131
10
A20
D
S
3904
2126
5903
G
7133
7130
CONTROL
6107
5103
+5.2V
9909
+5V2
1148
+5.2V_MP
A19
6111
1.25A
9980
+5V
+5V-SWITCH
+5V
3113
7141
6122
A21
D
S
STANDBY
3124
3114
G
7140
+8V6
CONTROL
7132
STANDBY
AUDIO AMPLIFIER
A6
+16V+19V
-16V-19V
5712
5708
+16V+19V
-Vf1
A7
4
22
1
5507
6535
5514
+16V+19V
9
-16V-19V
7700
TDA7490
AUDIO SUPPLY
+
+
10
2512
2542
5735
-VS
GND-AUD
12
+
+
2511
2543
6536
5509
5513
13
-16V-19V
AUDIO SUPPLY
LINE
A8
A3
COLD
DEFLECTION
HOT
+VBATT
5400
5401
+141V
SUP-ENABLE
HOT
COLD
+5V2
5410
LINE
7421
+VBATT
DRIVE
LINE
OUTPUT
+11D
STAGE
COLD
EW
HOT
3464
-15V-LOT
5465
6464
3465
6465
3462
+13V-LOT
5463
6462
3463
6463
+13V-LOT
+141V
+13V-LOT
3635
2
+8V-S
7620
TDA8177
7813
+13V-LOT
4
3498
3499
+8Vb
-15V-LOT
-15V-LOT
COLD HOT
6.
30
RC5 RECEIVER
A9
5.2V_MP
MAINS
J
SWITCH
0241
4
+5V STANDBY
9
+8V6
SIM
B1
1205
1000
9
1200
TUNER
+5V2
40
+5V2
7.3
43
+8V
+8V
5903
+8V_AUD
5904
+8V_VDP
5901
+5VT
+5VA
45
+5V
5900
+5V_CON
5901
+5V_VDP
5904
+8V
5902
+5V_AUD
+8VS
+8VS2
44
+3V3
+3V3_SIM
+11V5
46
47
7910
IN
OUT
+3V3
36
STANDBY
1940
9982
1
N.C.
+11V5
6
+8V
-VS
+16V+19V
5711
5707
5715
5722
5716
5723
-Vf11
-Vf2
-Vf21
2
24
4
22
1
2
24
7702
TDA7490
HOT
COLD
5430
5
LOT
EHT TO ANODE CRT
FOCUS 1
FOCUS 2
1424
3400
6400
9410
+200V
7
8
1
2
9
FILAMENT
3460
6460
5461
12
+11D
3
TO
3461
3450
3451
6
1492
+11D
+11D
1
3
FILAMENT
HOT COLD
PULSES
PANEL ON CRT
NECK
1485
1
1
3
3
IF/IO
B2
+5V2
F500mA
+8V
+5V_VDP
+8V_VDP
HOP
B4
+8V_VDP
+5V_VDP
OTC
B5
+5V2_CON
+5V_CON
STANDBY
ANTI-MOIRÉ
B5
+5V_CON
AUDIO DEMODULATOR
B6
HEADPHONE
B10
3650
AMPLIFIER
+5V_AUD
+8V_AUD
+8V_AUD
3644
+5V
CRT
F
+5V2
5672
+3V3_SIM
1940
+8V
1
N.C.
3300
6
PICNIC
+8V_+12V
B3A
SCAVEM
1424
7
200V
5706
3404
2
FILAMENT CRT
+3V3_FBX
3403
DAF
I
3809
11VDC
1492
1
3807
3808
3
+3V3_FBX
B3C
7726
+8V_CON
EAGLE
5738
+5VA
5723
5721
7727
7720
+2V5_E
5725
+2V5FCA
5722
+2V5FCD
+8Vp
1403
5415
5404
5405
+5V2_CON
11
45
7323
5416
TDA9320H
+8V_CON
HIP
+5VCOM
3402
+5VCOM
6.5
7307
3400
TDA9181
+8VP
+8V_VDP
+5VS
+8VS
+8V_VDP
3329
5301
5302
+8VS
17
39
7301
+5V_VDP
TDA9330H
3304
HOP
+5VS
+8V_CON
+3V3_INTOTC
+5V2_CON
7005
9,19,20,38,49,
4
7
+3V3_INTOTC
75,101,111
7001
SAA5801H
+5V_CON
OTC
104
7669
+5V_AUD
+8VC
8
1
5651
+5DA
9603
5652
+5DB
9688
+8V-AUD
5653
5656
+8VA
5654
31
+5VF
7651
6310
MSP3452G
+5V2
+5DB
AUDIO
5671
PROC.
+3V3_FBX
B3B
5744
+5VA
FALCONIC
+3V3_FBX
7706
+3V3FA
5719
+2V5B
+2V5FB
5718
5714
11-7713
5729
+3V3A
5733
+3V3PR
5731
+3V3_INT
5737
+3V3FM
5713
+3V3P
+3V3_INT
5745
+3V3_E
5724
+3V3FCD
5727
+3V3FC1
5726
5743
5728
E_14590_030.eps
211004
Advertisement
Table of Contents
