Durabrand DBTV2501 SERIES Service Manual page 26

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
5
R401
100K+-1%
FROM/TO MICON/TUNER
D402
X-RAY
HZ11B1L
X-RAY_TEST
15
C439
500V
22P
SL
H.DRIVE
Q402
27.0
4
2SC2621
5013001
0.3
0
R440
3.3K 5W
160V
+B
3
TP402
L406
18uH
C416_1
R428
200V
0.027
PP
8.2 1/2W
2
FROM POWER
FBT+8V
+B
GND
1
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A
B
G-5
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
22K 1/4W
10K 1/4W
HS401
763WAA0104
S805Y
X-RAY TEST SW.
Q403
16.0
DTA144ESTP
9.6
16.1
R424
R409
D411
12K +-1%
6.2K +-1%
AU02A-EIC
W843
C437
112.0
COL
200V
0.56
FHS
1
128.0
VIDEO
6
T401
17
B+
128.0
2
114.0
H.OUTPUT
Q401
0
AFC
9
2SD2499(LBOEC1)
HEA
0
TER
0
10
16
0
0
GND
8
0
E12
NC
4
0.3
E25
C446
3
1
YK
R422
6.8K 1/2W
D408
AU02A-EIC
C448_1
250V
10
YK
R445
100K 1/2W
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
(MAIN PCB)
CP802A
51048-1010
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
MG801
29MMSTAR
K001
CD805
8115529
8M82025A
K002
8115529
K003
8115529
19
5
7
1
11
B
6
G
V801
8
R
A63AHC26X
10
9
DY801
7M062505
4
4
R429
3
3
2
2
1.8 2W
1
1
C433
35V
470
YK
FB401
3225010F
HV
F
S
GND
11
R431
ABL
7
3.9K
1/4W
0
GND
8
-27.0
E8
5
D407
AU02A-EIC
D413
11E1-EIC
C435_2
100V
0.1
MHE
R421
220K 1/4W
PCB010
TMA501
ATTENTION:
CAUTION:
SINCE THESE PARTS MARKED BY
ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
D
E
F
G
CP802B
51048-1010
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
1
1
2
2
CP805
3.2
3.2
TS-80P-02-V1
2.7
100.6
98.4
RED OUT
GREEN OUT
Q803
Q801
2SC4217
2SC4217
20
R
FOCUS
SCREEN
1
CP806
005P-2100
PCB110
TCA358
CAUTION: DIGITAL TRANSISTOR
LES PIECES REPAREES PAR UN
ETANT
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
F
G
H
8
7
3.2
2.7
95.4
2.7
BLUE OUT
Q802
2SC4217
6
22
21
5
4
G
B
3
J801
CVT3275-5102
96.4
6.4
0
101.6
0
99.6
2
R.SIGNAL
1
G.SIGNAL
B.SIGNAL
DEFLECTION SIGNAL
H
G-6

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