Toshiba 20A43 Manuale di servizio - Pagina 22

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Toshiba 20A43 Manuale di servizio
A
B
(MAIN PCB)
FROM/TO MICON/CHROMA/TUNER
CLAMP
8
CLAMP_OFF
G.OUT
R.OUT
B.OUT
V_FEEDBACK
V_OUT
ABCL
H_SYNC
H_OUT
GND
7
14
X-RAY
6
HS403
763WSAA013
5
T401_1
15
ETH09K14BZ
C439
3
500V
22P
SL
2
1
HS401
4
763WSAA013
FROM/TO SOUND
H.DRIVE
Q402_1
GND
2SC1627_Y
27.0
0.3
0
C446
50V
R422
6.8K 1/2W
3
TP402
2
FROM TV POWER
R445
+B
150K 1/2W
GND
R401
D402
D406
UNREG+12V
220 1W
11E1-B-EIC
11E1-B-EIC
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-3
C
DEFLECTION/CRT SCHEMATIC DIAGRAM
V-OUT IC
IC401
AN5522
THERMAL
PROTECTION
PUMP
UP
+
AMP
-
VCC
GND
1
2
3
4
5
6
7
3.7
25.4
1.3
0
12.8
25.8
3.7
R437
4.7K
R418
R420
39K+-1%
15K +-1%
R424
R409
D411
18K +-1%
15K +-1%
1N4937
L401
ELH5L4113
4
R402
1K 1W
6
C402
17
1.8 2W
H.OUTPUT
2KV
0.001
R
114.0
Q401
2SD2499
16
0
CP402
003P-2100
0
D407
22
YK
+B
FB401
COL
289
1
118.1
E180
6
B_SHORT
B+
115.0
2
AFC
46.1
9
HEA
7.34
TER
10
GND
0
8
40.1
E12
C410
4
NC
63.9
E27
50V
0.47
KA
3
GND
0
8
C448
22.8
E8
5
NC
250V
22
YK
R450
180 2W
NOTE:
THE RESISTOR MARKED F IS FUSE RESISTOR.
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP
IS NON POLAR ONE.
C
D
E
CP802A B2013H02-6P
CLAMP
CLAMP
1
CLAMP_OFF
CLAMP_OFF
2
GND
GND
3
G.OUT
G.OUT
4
R.OUT
R.OUT
5
B.OUT
B.OUT
6
CP803A B2013H02-4P
HEATER
HEATER
1
GND
2
NC
NC
3
180V
180V
4
CD801
SM1098-009-1A
1
2
V801
A51AEZ90X24
19
5
7
1
11
B
6
G
8
R
10
9
W900
5
4
C433
3
35V
470
YK
NC
2
1
R429
FOCUS
SCREEN
1N4937
3221012F
HV
F
S
C420
0
GND
11
100V
0.1
MMTS
3.65
ABL
7
R421
68K 1/4W
PCB010
TMC563
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
(CRT PCB)
CP802B
B2013H02-6P
CLAMP
1
CLAMP
CLAMP_OFF
2
CLAMP_OFF
GND
3
GND
G.OUT
4
G.OUT
R.OUT
5
R.OUT
B.OUT
6
B.OUT
CP803B
B2013H02-4P
HEATER
1
HEATER
GND
2
GND
3
NC
NC
180V
4
180V
CP801
A2361WV2-2P
1
2
130.6
5.9
6.3
RED AMP
Q804
KTC4217
20
CP806_1
6.4
0
101.6
99.6
PCB110
TCC425
CAUTION
ETANT
:SINCE THESE PARTS MARKED BY
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
F
G
H
8
7
6
130.6
130.6
5.9
5.9
6.3
6.3
GREEN AMP
BLUE AMP
Q805
Q806
KTC4217
KTC4217
22
21
5
4
3
J801
ISHS53S
96.4
NC
0
2
R.SIGNAL
1
G.SIGNAL
ARE
B.SIGNAL
DEFLECTION SIGNAL
H
G-4