Toshiba 20AS25 Panduan Servis - Halaman 22
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Halaman Cetak
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
A1561WV2-2P
1
2
6
W802
TH501_1
1
B59203-S1060-B14
CP503
003P-2100
4A 125V
3
5
1
F501
51MS040L
4A125V
COIL,LINE FILTER
4A125V
L501
FH501
FH502
EYF-52BCY
EYF-52BCY
1R0A562F20
AC120V_60Hz
CD501
09414909
S501A
4
BLACK
C506
WHITE
S501B
250V
0.001
KX
3
C508
250V
0.0047
KX
2
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
1
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE:
THE RESISTOR MARKED F IS FUSE RESISTOR.
THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP
IS NON POLAR ONE.
A
B
G-3
C
TV POWER SCHEMATIC DIAGRAM
R501
R514
3.3
5W C
0.22 1W
4
2
144.0
D
R508
C509
G
4.8
220 1W
0.047 M
S
0.1
POWER AMP
Q501
2SK3563(ORION_Q)
C511
BUFFER
50V
1
KA
Q502
KTC3198
4.8
0.1
HS501
0
763WSAA021
C510
0.033 B
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
C
D
E
(MAIN PCB)
R517_1
D505
21DQ09N
3.3
C518
500V
470P
B
D510
RU2AM-EIC
C517_1
2KV
820P
RR
T502
8129109S
D516
R504
1.7
10.0
8
11
1N4937
100 1/4W
0
NC
7
12
W829
144.0
132.3
D513
6
13
21DQ09N
0
NC
5
14
10.3
0
4
15
6.6
11.3
3
16
10.3
2
17
NC
18
NC
9.5
6.0
FEED BACK
5.5
SWITCHING
Q507
KTC3198
FEED BACK
IC501
LTV-817M-VB
R512
11.5
10.5
R519
680 1/4W
1.2K 1/4W
0.1
9.5
CAUTION
:SINCE THESE PARTS MARKED BY
ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
D
E
F
G
1W
PROTECT DRIVE
Q503
2SA1624
135.0
0
135.0
R527_1
5.6K
R523_1
47K
R525
1.2 2W
W832
R537_1
0
D521
R505
4.9
P.FAIL
10K 1/4W
1K 1/4W
MTZJ6.8B
Q505
4.8
KTA1266
ATTENTION
:LES PIECES REPAREES PAR UN
ETANT
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
F
G
H
8
TO SOUND/AV
GND
SOUND+B
7
SOUND_GND
FROM/TO DEFLECTION/CRT
+B
UNREG+12V
W834
P.CON+B
6
GND
FROM/TO MICON/CHROMA/TUNER
5
POWER_FAIL
X-RAY
UNREG+12V
AT+5V
GND
4
3
2
PCB010
CMD009
1
H
G-4