Table of Contents
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Block Diagrams, Testpoint Overviews, and Waveforms
Supply Lines Overview
SUPPLY LINES OVERVIEW
M Q1
FRONT INTERFACE
1051
1031
1951
0201
0202
1
1
2
2
MAINS
SWITCH
A1
POWER SUPPLY
1505
VDC
or
5512
6551
5551
9
17
SUPPLY
8
18
PRIMARY
SIDE
5562 6563
4
13
5
14
3
5561 6562
10
+9VA
2
3571
11,12
7571
REFERENCE
CIRCUIT
4
1
+3V3
7513
7573
TCET1103
2
STANDBY
3
CIRCUIT
6536
5505
VDC
1532
5504
8
6
9
5
SUPPLY
7525
6535
4
10
CONTROL
11
12
2
13
14
1
7535
3537
7542
REFERENCE
CIRCUIT
3
1
7516
TCET1103
2
STANDBY
4
CIRCUIT
HOT GROUND
COLD GROUND
ES1E AA
A2
LINE + FRAME DEFLECTION
+Vbatt
3
5402
7405
1
7404
HD
A5
LINE
OUTPUT
CIRCUIT
+
EW_DRIVE
E/W
A5
CORR.
1404
1
2
HOR.
DEFL.
COIL
3401
+33V
5552
Vbatt
F563
F561
F
CRT
1351
+9VA
1
Filament
2
3351
+200V
+200VA
3
3575
EHTinfo
-Vaudio
4
3576
+141V
5
+Vaudio
+12V_LOT
6
STANDBY
7
SVM_ROT
A6
AUDIO AMPLIFIER
A4
+9VA
-Vaudio
-Vaudio
+Vaudio
+Vaudio
TUNER / IF
A5
+5V
+5V
5564
+5V2
+33V
+33V
7545
+5V
INTERFACING
A6
+8V
3546
STANDBY
CIRCUIT
+Vaux
7674
+9VA
VI
VO
+5V
VDIS
+8VS
5681
+3V3
3545
7673
9686
+5V2
IN
OUT
3544
+5V
9675
STANDBY
A4
SCART I/O
A7
+8VS
+8VS
6.
23
1401
5450
1
EHT
TO
Filament
CRT
2
B1
VideoSupply
3
EHTinfo
4
Vbatt
5
FOCUS VG2
+12V_LOT
6
SVM_ROT
7
10
3456
6452
-14V
12
A5
3458
6453
VideoSupply
5
6467
3485
Filament
6
6461
3450
8
6456
3455
+14V
9
+33V
CLASS D - AUDIO AMP (RES)
A3
5914
-Vaudio
Vaudio-
5910
-V
5913
+Vaudio
Vaudio+
3670
LOW VOLTAGE SUPPLY-ADOC
B15
B7
F651
5654
5651
+3V3
+5V2
+1V8
7651
+5v
STS5PF30L
+8v
F650
5659
+3V3
7650
CONTROL
CS51033YDR8
VDDE
B14 ADOC SUPPLY
B14
B8
+3V3
F601
+1V8
5600
+5v
VDDCO
5601
+3V3
VDDE
+8v
VDDCO
4x
VDDE
VDDCO
8x
VDDE
IF & SAW FILTER
B1
+5V
+5V
5135
+5Va
5134
+5Vb
5112
+5Vd
+8V
5102
+8Va
B9
3134
+8Vc
(For PIP D/W Only)
+3V3
+8v
VDDE
VIDEO SOURCE
B2
SELECTION
+5V
+5V
5060
To 49 7100-B (MPIF)
B10
5061
To 64 7100-B (MPIF)
+5V
+8v
VDDCO
AUDIO SOURCE
B3
VDDE
SELECTION
+5V
+5V
3018
To 77 7100-A (MPIF)
3019
3010
+8V
To 98 7100-A (MPIF)
B11
3011
To 88 7100-A (MPIF)
+5V
+5V2
VDDCO
MPIF - SUPPLY
B4
VDDE
+5V
+5V
5150
To 14 7100-D (MPIF)
5151
B12
To 28 7100-D (MPIF)
5152
VDDE
To 35 7100-D (MPIF)
VIDEO DECODER
B5
B13
VDDE
5281
VDDCO
To F23 7300-J (ADOC)
5282
To P23 7300-J (ADOC)
5285
To AF3 7300-J (ADOC)
5283
VDDE
To N23 7300-J (ADOC)
RGB PROCESSING
+3V3
+5V
+8V
5300
To W4-7300-H (ADOC)
SYNC & DEFLECTION
+3V3
3358
To L1 - 7300-F (ADOC)
+8V
5342
To M1-7300-F (ADOC)
3340
To AA4 - 7300-F (ADOC)
5345
To R3 - 7300-F (ADOC)
5344
To N4 - 7300-F (ADOC)
5343
To L2 - 7300-F (ADOC)
5342
To M1 - 7300-F (ADOC)
PROTECTION
3V3
+8V
3388
To W1-7300-G (ADOC)
AUDIO PROCESSING
5480
To 8 - 7480 (HP AMPL.)
+8V
5452
To AD22-7300-B (ADOC)
5450
To AC22-7300-B (ADOC)
CONTROL
+5V
+5V2
VDDCO
VDEE
CONTROL MEMORY (RAM)
VDDE
To 9, 37, 43, - 7790 (RAM)
CONTROL MEMORY (SDRAM)
5730
To 1, 14, 27, 7730
5731
To 3, 9 43, 49, 7730
F_15040_058.eps
290405
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