Toshiba 20A22 Instrukcja serwisowa - Strona 22

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Toshiba 20A22 Instrukcja serwisowa
A
B
FROM/TO CHROMA
8
CLAMP
G.OUT
R.OUT
B.OUT
V_FEEDBACK
V_OUT
ABCL
H_SYNC
H_OUT
7
14
GND
6
HS401
763WAA0232
5
FROM/TO MICON/TUNER
X-RAY
X-RAY_TEST
GND
15
C439
H_CTL
500V
22P
SL
AT+5V
H.DRIVE
Q402
27.0
4
KTC4217
T401
FROM/TO SOUND
ETH14Y46AY
0.3
0
GND
0.447
0.031
H-CTL SW
C405
R405
C446
Q405
KTC3198
10K 1/4W
0.1 F
50V
5.03
3
W838
2
W844
FROM POWER
+B
GND
H_DV_+B
1
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
A
B
C
DEFLECTION/CRT SCHEMATIC DIAGRAM
V-OUT IC
IC401
AN5522
THERMAL
PROTECTION
PUMP
UP
+
AMP
-
VCC
GND
1
2
3
4
5
6
7
3.9
26.1
2.2
0
13
26
3.9
R437 1.2K
18
R418
R420
39K+-1%
15K +-1%
0
SWITCHING
0
Q404
KRC102MAT
X-RAY TEST SW.
16.0
Q403
KRA104MAT
9.6
16.1
R424
R409
D411
18K +-1%
15K +-1%
1N4937
L401
ELH5L4113
R402
1K 1W
C402
2KV
0.001
R
17
H.OUTPUT
Q401
2SD2499(LBOEC1)
114.0
16
CP402
0
003P-2100
0
C401
1
YK
500V
390P
B
D407
R422
6.8K 1/2W
+B
FB401
TP402
289
COL
1
118.1
E180
6
115.0
B+
2
46.1
AFC
9
HEA
7.34
TER
10
0
GND
8
40.1
E12
4
NC
63.9
E27
3
0
GND
8
R448
C448
22.8
E8
NC
5
1.5M 1/4W
R445
250V
22
YK
180K 1/2W
NOTE:
THE RESISTOR MARKED F IS FUSE RESISTOR.
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP
IS NON POLAR ONE.
C
D
E
(MAIN PCB)
CP802A
B2013H02-5P
CLAMP
CLAMP
1
1
GND
GND
2
2
G.OUT
G.OUT
3
3
R.OUT
R.OUT
4
4
B.OUT
B.OUT
5
5
CP803A B2013H02-4P
HEATER
HEATER
1
1
GND
2
2
NC
3
3
180V
180V
4
4
CD801
SM1098-009-1A
1
1
2
2
19
5
7
1
11
B
6
G
8
R
10
9
V801
A51LMV10X20N45
R429
1.8 2W
CP401
A1561WV2-A5P
C433
5
35V
470
YK
4
3
NC
2
1
FOCUS
SCREEN
1N4937
FQI-20B001R
HV
F
S
GND
0
11
C420
ABL
7
100V
0.1
MKT
3.65
R421
68K 1/4W
PCB010
TMB540
CAUTION: DIGITAL TRANSISTOR
D
E
F
G
CP802B
B2013H02-5P
CLAMP
CLAMP
GND
GND
G.OUT
G.OUT
R.OUT
R.OUT
B.OUT
B.OUT
CP803B B2013H02-4P
HEATER
HEATER
GND
GND
NC
180V
180V
CP801
A2361WV2-2P
5.92
130.6
5.95
6.34
RED AMP
Q804
KTC4217
20
CP806_1
PCB110
TCB399
ATTENTION:
LES PIECES REPAREES PAR UN
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
CAUTION: DIGITAL TRANSISTOR
DANS LA NOMENCLATURE DES PIECES
CAUTION:
SINCE THESE PARTS MARKED BY
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
F
G
H
8
7
6
130.6
5.95
130.6
6.34
6.34
GREEN AMP
BLUE AMP
Q805
Q806
KTC4217
KTC4217
22
21
5
4
C801
330P CH
J801_2
CVT3275-5101
96.4
6.4
0
3
101.6
0
99.6
2
ETANT
R.SIGNAL
G.SIGNAL
1
B.SIGNAL
ARE
DEFLECTION SIGNAL
H