Durabrand DBTV2501 SERIES Service Manual page 6

Color television receiver
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A
B
FROM/TO CHROMA
8
CLAMP
G.OUT
B.OUT
R.OUT
V_FEEDBACK
V_OUT
ABCL
H_SYNC
H_OUT
7
14
FBT+8V
GND
6
763WAA0104
5
R401
100K+-1%
FROM/TO MICON/TUNER
D402
X-RAY
HZ11B1L
X-RAY_TEST
15
C439
500V
22P
SL
H.DRIVE
Q402
2SC2621
27.0
4
T401
5013001
0.3
0
R440
C446
3.3K 5W
160V
+B
3
L406
TP402
18uH
C416
R428
200V
PP
8.2 1/2W
0.027
2
FROM POWER
FBT+8V
+B
GND
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
1
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
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
C
DEFLECTION/CRT SCHEMATIC DIAGRAM
V-OUT IC
IC401
LA78041
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
18
D403
11E1-EIC
R418
R420
27K 1/4W
6.8K 1/4W
S801Y
HS401
CD806B
CH012102
X-RAY TEST SW.
Q403
16.0
KRA104MAT
9.6
16.1
R424
R409
D411
12K +-1%
6.2K +-1%
AU02A-EIC
W843
FB401
C437
3225010F
112.0
COL
200V
0.56
FHS
1
128.0
VIDEO
6
W897
17
B+
128.0
H.OUTPUT
2
114.0
Q401
2SD2499(LBOEC1)
0
AFC
9
HEA
0
TER
0
10
16
0
0
GND
8
E12
0
NC
4
0.3
E25
3
C401
1
YK
500V
100P
B
R422
6.8K 1/2W
D408
AU02A-EIC
C448_1
250V
10
YK
R445
100K 1/2W
NOTE:
THE RESISTOR MARKED F IS FUSE RESISTOR.
CAUTION:
THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP
IS NON POLAR ONE.
C
D
E
(MAIN PCB)
CP802A
B2013H02-10P
S101
GND
GND
1
CLAMP
CLAMP
2
G.OUT
G.OUT
3
B.OUT
B.OUT
4
R.OUT
R.OUT
5
NC
NC
6
HEATER
HEATER
7
GND
GND
8
NC
NC
9
180V
180V
10
CD805
SM1098-009-1A
1
CD806A
2
CH012102
19
5
7
1
11
B
6
G
8
R
10
9
V801
A63ADT15*08
CD804
SM1198-002-1A
4
4
R429
3
3
2
2
2.7 2W
1
1
CP401_1
TS-80P-04-V1
C433
35V
470
YK
HV
F
S
GND
11
ABL
FOCUS
7
R431
SCREEN
3.9K 1/4W
CP806
0
005P-2100
GND
8
-27.0
E8
5
D407 AU02A-EIC
D413
11E1-EIC
C435_2
100V
0.1
MHE
R421
220K 1/4W
PCB010
TMA501
SINCE THESE PARTS MARKED BY
ARE
ATTENTION:
LES PIECES REPAREES PAR UN
CRITICAL FOR SAFETY,USE ONES
DANGEREUSES AN POINT DE VUE SECURITE
DESCRIBED IN PARTS LIST ONLY
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
D
E
F
G
(MFR'S VERSION B)
CP802B
B2013H02-10P
GND
1
GND
CLAMP
2
CLAMP
G.OUT
3
G.OUT
B.OUT
4
B.OUT
R.OUT
5
R.OUT
6
NC
NC
HEATER
7
HEATER
GND
8
GND
NC
9
NC
180V
10
180V
CP805
A2361WV2-2P
1
2
3.2
3.2
2.7
100.6
98.4
2.7
RED OUT
GREEN OUT
Q803
Q801
2SC4217
2SC4217
20
22
R
G
1
0
101.6
99.6
PCB110
TCA358
R.SIGNAL
CAUTION: DIGITAL TRANSISTOR
G.SIGNAL
ETANT
B.SIGNAL
DEFLECTION SIGNAL
F
G
H
8
7
3.2
95.4
2.7
BLUE OUT
Q802
2SC4217
6
21
5
4
B
3
J801
CVT3275-5102
96.4
6.4
0
2
1
H

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