Toshiba 20A23 Manuel d'entretien - Page 23

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Toshiba 20A23 Manuel d'entretien
A
B
8
7
RY501
ALKS321
DEGAUSS COIL
L503
8R200026
CP502
6
A1561WV2-2P
TH501
2
B59203-S1060-B14
1
5
R520
1.5M 1/2W
COIL,LINE FILTER
L501_2
1R0A562F20
4
C505
275V
0.22
ECQUL
AC120V_60Hz
CD501
3
0R415906
BLACK
S501A
WHITE
S501B
6.3A 125V
2
CAUTION
:FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
REPLACE ONLY WITH THE SAME TYPE FUSE
6.3A 125V(F501).
ATTENTION
:POUR UNE PROTECTION CONTINUE LES RISQUES D'INCEIE
N'UTOLISER QUE DES FUSIBLE DE MEME TYPE
6.3A 125V(F501).
1
NOTE:
THE RESISTOR MARKED F IS FUSE RESISTOR.
THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP
IS NON POLAR ONE.
A
B
G-5
C
TV POWER SCHEMATIC DIAGRAM
W836
W812
RELAY DRIVE
Q504
KTC3198
0.2
0.6
0
2
1
3
4
C502
2KV
0.001
SWTCHING
Q501
STP5NC50FP
D
144.0
G
4.8
S
0.1
BUFFER
Q502
KTC3203_Y
4.8
HS501
763WAA0023
CAUTION:
IS THE LIVE CONNECTION
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)
R502
R501
T501_1
1.2 7W
0.22 1W
81291144
8
131.7
7
C503
9
2KV
0.001
B
143.1
P1
B
NC
6
10
P2
143.1
5
11
NC
4
12
12.1
3
13
0
2
14
15.2
1
15
C518_1
R543
250V
0.0022
KX
C509
330 2W
0.047 M
C519
0.01
B
D521
1SS133
R504_1
1K 1/4W
C511
25V
47
YK
0.1
0
FEED BACK
IC501
LTV-817M-VB
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
D
E
F
G
B503
W5RH3.5X5X1.0
C516
500V
0.001
B
R517
D519
SB290S
3.3
3W
B504
R524
W5RH3.5X5X1.0
D510
30DF6-FC
1 2W
PROTECT DRIVE
C517_1
NC
0
2KV
0.0018
RR
D520
1SS133
D514
NC
SB140-EIC
D517
R516
R528
1N4937
100
1/4W
3.3K 1/4W
W842
D524
W892
MTZJ3.9B
R534
100
C513
0.0027 B
6.3
6.0
FEED BACK
5.4
SWITCHING
Q507
KTC3198
CAUTION
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 MICOM/CHROMA/TUNER
REMOTE+12V
UNREG+12V
7
TO DEFLECTION/CRT
GND
+B
UNREG+12V
TO SOUND
6
SOUND+B
GND
SOUND_GND
FROM/TO AV
GND
Q503
5
2SA1624
FROM/TO MICON/CHROMA/TUNER
X-RAY
POWER_FAIL
4
GND
TU+BT
DEGAUSS_H
P.CON+5V
3
2
PCB010
TMC563
1
:SINCE THESE PARTS MARKED BY
ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
H
G-6