Toshiba MD20FN1 Service Manual page 50

Color television/dvd video player
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A
B
8
1
7
FROM/TO VIF/SIF/CHROMA
R412
V.OUT
8.2K 1/4W
6
ACL
AFC
H.OUT
R424
3.3K 1/4W
FROM REGULATOR1
W914
GND
P.CON+5V
5
W916
TO MICON/TUNER
VD
X-RAY
+30V
4
FROM POWER
+B
UNREG+12V
GND
3
0
CURRENT DET.
135.0
Q401
2SA1624
C401
135.0
250V
1
R406
47K 1/4W
R408
2
0.47 2W
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
1
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.
A
B
G-25
C
DEFLECTION SCHEMATIC DIAGRAM
V.OUTPUT IC
IC401
LA78040
THERMAL PROTECTION
-
AMP
+
PUMP UP
Vcc
GND
2
3
4
5
6
7
3.9
25.5
1.3
0
12.9
24.8
3.9
W843
C435
560P CH
R413
R416
27K
1/4W
47K
1/4W
R420
2.2K
HS401
763WAA0237
R401
D406
D405
R402
180 2W
1SS133
220 2W
1SS133
T401
ETH14Y47AY
37
31.0
0
NC
0.2
14.3
0
H-DRIVE
22.3
1.3
Q405
0
KTC3227_Y
R409
D414
22K 1/4W
1N4005-EIC
TP402
YK
D409
W840
1SS133
39K M
TP401
NOTE:
THE RESISTOR MARKED F IS FUSE RESISTOR.
THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP
IS NON POLAR ONE.
C
D
E
(AV PCB)
36
L402
ELH5L4112N
R426
1K 1W
C450
2KV
0.001
R
C431
250V
22
YK
H.OUTPUT
Q406
2SD2499(LBOEC1)
247.6
1.3
0
C429
HS402
500V
0.0022
B
763WSA0018
D411
1N4937
TP403
R445
+-1%
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
FB401
FJN20A003
272.0
COL
1
HV
113.8
E180
6
110.4
B+
2
0
AFC
9
HEA
F
0
TER
10
GND
S
8
0
E12
GND
14.0
4
11
NC
E27
2.7
3
ABL
7
GND
R450
NC
8
E8
NC
5
3.3
2W
C402
100V
22
YK
R423
W836
12K 1/4W
R453
120K 1/2W
CAUTION
ETANT
:SINCE THESE PARTS MARKED BY
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
F
G
H
8
7
TO DY
CP401
A1561WV2-A5P
5
4
3
NC
2
1
6
V801
A51AKL13X04
5
9
10
R
8
G
6
B
11
5
7
1
CD801_1
CU823001
2
1
4
FOCUS
SCREEN
TO CRT
3
TO CRT
CP803A
B2013H02-4P
(CP803B)
180V
180V
4
NC
3
GND
2
HEATER
HEATER
1
2
PCB250
TMB561
ARE
DEFLECTION SIGNAL
1
H
G-26

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