Toshiba MD20Q42 Service Manual page 49

A B
8
V.OUTPUT IC
IC401 LA78040N-E
-
AMP
+
Vcc
1 2
3.9 25.5
7
FROM/TO CHROMA
R424
V_OUT
6 3.3K 1/4W
V_RANP_FB
H_OUT
ACL
AFC
W916
5
FROM/TO MICON/TUNER
X-RAY
E0_LEAK
+30V
POWER_ON_H
4
SW
133.8
Q403
2SA1371
133.2
133.9
R433
10K 1/4W
0
135.0
135.0
0
3
R420 0.6
SW
10K Q402
2SC2909
0
R406
47K 1/4W
FROM POWER
D407
1SS133
UNREG+12V
+B
GND
2
1
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A B
G-17
C
DEFLECTION SCHEMATIC DIAGRAM
THERMAL PROTECTION
PUMP UP
GND
3 4 5 6 7
1.3 0 12.9 24.8 3.9
R413_3
12K 1/4W +-1%
R416_1
27K 1/4W +-1%
HS401
763WAA0237
R401
D406 D405
330 2W 1N4002-PAN
1N4002-PAN
T401_1
STP-03Q24
3 4
NC 2
1 6
44
14.3
0
H-DRIVE
Q405
0 KTC3227_Y
CURRENT DET.
Q401
2SA1624
C401
100V 10 YK
R412
5.6K 1/4W
D409
1SS133
R408
1.8 2W
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
(AV PCB)
43
W826
C431
250V 22 YK
R402
220 2W
H.OUTPUT
Q406
2SC5885
247.6
1.3
0
C429
500V 0.0022 B
HS402
763WSA0029
D411
1N4937-PAN
TP402 TP403 100V
R445
W840
39K 1/4W +-1%
NOTE: THE RESISTOR MARKED F IS FUSE RESISTOR. ATTENTION
THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP
IS NON POLAR ONE.
D E
F G
FB401_1
BSC23-N0168
272.0
COL
1 HV
110.4
VIDEO
F
6
0
S
B+
GND
0 2
11
AFC
ABL
0
0 9
7
0 GND HEATER
NC
0
8
10
-0.2
E12
2.7
NC 4 5
NC
0
E25
GND
3 8
0
NC
R429
1 1W
R450
2.7 3W
180V
C402
NC
22 YK
HEATER
C439
500V 56P SL
R423
W836
10K 1/4W
R453
150K 1/2W
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
F G
H
8
7
FROM/TO DY
CP401
A1561WV2-A5P
5
4
3
NC 2
1
6
V801
A51AEZ90X23
9
10
R
8
G
6
5
B
11
5 7 1
2 1
CD801_1
CU823001
(CP805)
FROM/TO CRT
4
FOCUS
FROM/TO CRT
SCREEN
CP803A
TO CRT
B2013H02-4P 3
180V 4
(CP803B)
3
GND 2
HEATER 1
2
PCBD20
CME066
1
ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
H
G-18