Toshiba MD20F51 Service Manual page 57

A B
8
V.OUTPUT IC
IC401
-
AMP
+
Vcc
1 2
3.9 25.5
7
FROM/TO VIF/SIF/CHROMA C435_1
0.001 B
R412
V.OUT
8.2K 1/4W
ACL
AFC
6
H.OUT
R424
3.9K 1/4W
FROM REGULATOR1
W914
GND
P.CON+5V
W916
5
TO MICON/TUNER
VD
X-RAY
+30V
FROM POWER
4
+B
UNREG+12V
GND
R409
22K 1/4W
0
3
CURRENT DET.
135.0
Q401
2SA1624
135.0
C401
250V 4.7 YK
R406
47K 1/4W
R408
0.47 2W
2
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.
1
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A B
G-21
C
DEFLECTION SCHEMATIC DIAGRAM
LA78040N-E
THERMAL PROTECTION
PUMP UP
GND
3 4 5 6 7
1.3 0 12.9 24.8 3.9
W843
R413_1 R416
27K 1/4W M +-1% 47K 1/4W
R420
2.2K
HS401
763WAA0237
R401 R402
D406 D405
180 2W 1SS133 220 2W
1SS133
T401
247.6
ETH14Y47AY
44
31.0 0
1.3
14.3
NC
0.2
0
H-DRIVE 22.3
1.3
Q405
0 KTC3227_Y
HS402
763WSAA021
D414
1N4005-EIC
TP402
R445
D409
W840
1SS133 39K
TP401
NOTE: THE RESISTOR MARKED F IS FUSE RESISTOR.
THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP
IS NON POLAR ONE.
C
D E
(AV PCB)
43
L402
ELH5L4112N
R426
1K 1W
C450_1
2KV 0.001 RR
C431
250V 22 YK
H.OUTPUT
Q406
0 2SD2499(LBOEC1)
C429
500V 0.0022 B
D411
1N4937
TP403 100V
M +-1%
ATTENTION
CAUTION
:LES PIECES REPAREES PAR UN ETANT
:SINCE THESE PARTS MARKED BY
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
D E
F G
FB401
FJN20A003_M
272.0
COL
1 HV
113.8
E180
6
110.4 B+
2
0 AFC
9
HEA
F
0
TER
10
25.0 GND
S
8
E12 GND 0
14.0
4 11
NC
E27
3 ABL
2.7
R450_1 7
GND
8
2.2 1W
E8
NC 5
180V
C402
22 YK
HEATER
R423
W836
12K 1/4W
R453
220K 1/2W
ARE DEFLECTION SIGNAL
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
F G
MD20F51/MD20F51C
H
8
7
TO DY
CP401
A1561WV2-A5P
5
4
3
NC 2
1
6
V801
A51LYZ095X80
9
10
R
8
G
6
5
B
11
5 7 1
2 1
(CP801)
CD801_1
CH823004
4
FOCUS
SCREEN
TO CRT
CP803A (CP803B)
B2013H02-4P 3
180V 4
NC 3
2
GND
1
HEATER
2
PCB250
CME012
1
H
G-22