Toshiba 20AS23 Manual de servicio - Página 21
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A
B
8
CAUTION
:FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
REPLACE ONLY WITH THE SAME TYPE 4A 125V (F501)
FUSE.
ATTENTION
:POUR UNE PROTECTION CONTINUE LES RISQUES
4A 125V
D'INCEIE N'UTILISER QUE DES FUSIBLE DE MEME
TYPE 4A 125V (F501).
7
DEGAUSS COIL
L503
8R200030
CP502
W802
A1561WV2-2P
1
2
6
TH501_1
1
B59203-S1060-B14
CP503
003P-2100
3
5
4A 125V
1
F501
51MS040L
COIL,LINE FILTER
4A125V
FH501
FH502
L501
EYF-52BC
EYF-52BC
1R0A562F20
AC120V_60Hz
CD501
0R414903
4
BLACK
C506
WHITE
250V
0.001
KX
3
C508
250V
0.0047
KX
2
1
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
A
B
G-3
C
TV POWER SCHEMATIC DIAGRAM
R514
R501
3.3
5W
0.22 1W
4
2
144.0
D
R508
C509
G
4.8
220 1W
0.047 M
S
POWER AMP
0.1
Q501
STP5NC50FP
C511
BUFFER
50V
1
KA
Q502
KTC3198
4.8
0.1
HS501
0
763WSAA013
C510_1
0.033 B
NOTE:
THE RESISTOR MARKED F IS FUSE RESISTOR.
THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP
IS NON POLAR ONE.
C
D
E
(MAIN PCB)
R517_1
D505
SB290S
3.3
C518
500V
470P
B
D510
RU2AM-EIC
C517
2KV
820P
RR
T502
8129109S
D516
R504
1.7
10.0
8
11
1N4937
100 1/4W
0
7
NC
12
144.0
132.3
W829
D513
6
13
SB290S
0
NC
5
14
10.3
0
4
15
6.6
11.3
3
16
10.3
2
17
NC
18
NC
FEED BACK
SWITCHING
Q507
KTC3198
9.5
6.0
FEED BACK
5.5
IC501
LTV-817M-VB
11.5
10.5
R512
R519
680 1/4W
1.2K 1/4W
0.1
9.5
ATTENTION
:LES PIECES REPAREES PAR UN
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
D
E
F
G
1W
PROTECT DRIVE
Q503
2SA1624
W834
135.0
0
135.0
R523
R527
47K
5.6K
R525
1.2 2W
D521
0
R505
4.9
P.FAIL
10K 1/4W
1K 1/4W
Q505
MTZJ6.8B
4.8
KTA1266
CAUTION
:SINCE THESE PARTS MARKED BY
ARE
ETANT
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
F
G
H
8
TO SOUND/AV
GND
SOUND+B
7
SOUND_GND
FROM/TO DEFLECTION/CRT
+B
UNREG+12V
P.CON+B
6
GND
FROM/TO MICON/CHROMA/TUNER
5
W832
POWER_FAIL
R537
X-RAY
UNREG+12V
AT+5V
GND
4
3
2
PCB010
TMC558
1
H
G-4