Toshiba 20AF46 Service Manual page 30

A B
8
7
6
FROM/TO CHROMA
V_OUT
GND
P.CON+5V
H.OUT
H_SYNC
ABCL
5
R409_1
1K
FROM/TO POWER
GND
R434
+B
5.6 10W
W863
FBT+B
4
H+B
FROM/TO MICON
3
H_CTL
X-RAY
2
PCB010
CME017
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-5
C
DEFLECTION SCHEMATIC DIAGRAM
1
16
R407
1.2K 1/4W
R414
27K +-1%
C411
0.001 CH
19 H.OUT
Q405
2SC5885
115
20
W871
H.DRIVE
Q402
T401_1
0.1 0
KTC3227_Y
17.3
ETH14Y47AY
17.3 0
0.4
HS402
0 0
763WAAA072
26.3 0.1
R452_1 R410_1
D414 D415
180 1W 11E1-EIC 11E1-EIC 150 2W
R404
100
R436 R441
D411
W844
18K1/4W+-1% 15K +-1% AU02A-EIC
TP005 TP006
X-RAY TEST
NOTE: THE RESISTOR MARKED F IS FUSE RESISTOR.
THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP
IS NON POLAR ONE.
C
D E
(MAIN PCB)
V.OUTPUT IC
IC401 LA78040N
THERMAL PROTECTION
-
AMP
+
PUMP UP
VCC GND
2 3 4 5 6 7
4.0 25.0 2.0 0 12.0 25.0 4.0
17
R417
39K
R402
21
68 1/2W
TP004
PROTECTOR TEST
TP003
D405
AU02A-EIC
R432
8.2K 1/2W
C415_1
500V 100P SL
ATTENTION
:LES PIECES REPAREES PAR UN ETANT
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
D E
F G
FROM/TO DY
CP401
B06B-DVS-L_(LF)
18
6 6
5 5
L402_1 NC 4 4
3 3
ELH5L4113
NC 2 2
1 1
R439
1K 1W
C425_1
2KV 0.001 RR
FB401 FJN20A002_M
115 ANORD
COL
1 HV
180
E180
6
108.0
B+
2
105.0
AFC
9
FORCUS
HEA
F
0 TER
10
SCREEN
0
GND
S
8
0.2 0
E12 GND
NC 4 11
2.0
E27
R443
3 ABL 8.1
7
0
GND
150K 1/2W
8
0.1
E8
NC 5
C427_1
100V 0.1 MKT
TO CRT
CP801A
B2013H02-5P
180V 1
NC NC 2
NC NC 3
GND 4
HEATER 5
CAUTION
:SINCE THESE PARTS MARKED BY ARE CAUTION: DIGITAL TRANSISTOR
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
F G
H
8
V801
A51LYZ295X81
9
10
R
8
G
6
B
11
5 7 1
7
TO CRT/SVM
1 2
CD803_1 (CP805)
CH823006
6
5
FROM/TO CRT
4
3
2
1
H
20AF46/20AF46C
G-6