Power Schematic Diagram - Toshiba 20A42 Service Manual
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Also See for 20A42:
- Owner's manual (37 pages) ,
- Service manual (33 pages) ,
- Owner's manual (19 pages)
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A
B
8
D516
1SS133
7
RY501
ALKS321
DEGAUSS COIL
L503
8R200026
CP502
A1561WV2-2P
2
1
TH501
ZPB45BL3R0A
6
6.3A 125V
F501
6.3A125V
5
51MS050L
FH501
EYF-52BC
BLACK
WHITE
AC120V_60Hz
CD501
0R415906
BLACK
S501A
4
WHITE
S501B
3
6.3A 125V
CAUTION:FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
2
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)
CAUTION: DIGITAL TRANSISTOR
1
NOTE:
THE RESISTOR MARKED F IS FUSE RESISTOR.
THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP
IS NON POLAR ONE.
A
B
C
POWER SCHEMATIC DIAGRAM
RELAY DRIVE
Q504
KTC3198
0.2
0.6
0
2
1
3
4
C502
2KV
0.001
B
3
4
1
2
COIL,LINE FILTER
L501
FH502
2R0A502F24Y
EYF-52BC
SWTCHING
Q501
STP5NC50FP
D
144.0
G
4.8
0.1
S
BUFFER
Q502
KTC3203_Y
HS501
763WAA0023
CAUTION:
IS THE LIVE CONNECTION
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D
E
(MAIN PCB)
T501
8135080S
131.7
8
P1
143.1
7
143.1
6
P2
173.7
5
12.19
3
0
2
15.24
1
R502
R501
1.2 7W
0.22 1W
C503
2KV
0.001
B
R543
C509
330 2W
0.047 M
C519_1
180P CH
D521
1SS133
R504_1
1K 1/4W
C511
76.40
6.0
50V
1
YK
4.8
0.1
6.0
76.20
0
FEED BACK
IC501
LTV-817M-VB
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.
D
E
F
G
S802Y
41.8
C515
10
20.9
500V
0.001
B
NC
11
D518
9.19
AU02A-EIC
12
C516
112.6
13
500V
0.001
B
R517
D519
0
14
SB290S
0.33
2W
D505
0
15
SB290S
12.31
16
B504
D510
W4BRH3.5X6X1
RU-4AM
C517_1
2KV
0.001
R
W814
D520
1SS133
D514
SB140-EIC
W891
W892
PROTECT DRIVE
2SA1624
R534
125.5
100
C513
R523_1
0.1 B
47K 1/4W
6.3
6.0
FEED BACK
5.4
SWITCHING
Q507
R524
2SC2412K
1 2W
ATTENTION:
LES PIECES REPAREES PAR UN
ETANT
CAUTION:
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
F
G
H
8
TO CHROMA
UNREG+12V
GND
7
TO DEFLECTION/CRT
+B
W861
H_DV_+B
GND
TO SOUND
SOUND+B
GND
SOUND_GND
6
FROM/TO AV
GND
FROM/TO MICON/TUNER
5
DEGAUSS_H
POWER_FAIL
AT+40V
GND
4
Q503
0
125.5
3
4.97
SAFETY SW
Q506
0
DTC114ES
0
2
PCB010
TMB540
1
SINCE THESE PARTS MARKED BY
ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
H
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