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Durabrand DBTV2702 Service Manual page 13

Color television receiver

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A
B
FROM/TO CHROMA
8
CLAMP
G.OUT
B.OUT
V-OUT IC
R.OUT
V_OUT
PUMP
ABCL
UP
H_OUT
VCC
V_FEEDBACK
14
1
2
H_SYNC
3.9
26.1
2.2
7
P.CON+5V
GND
C412
0.033 M
6
R440
220K 1/4W
C456
7.8
0.022
TF
X-RAY TEST SW
3.8
Q404
3.2
KRC102MAT
PIN SW
Q407
KTC3198
5
0
0
FROM/TO MICON/TUNER
16.0
H_SYNC
16.0
16.1
X-RAY
9.6
X-RAY TEST SW.
Q403
X-RAY_TEST
KRA104MAT
R424
POWER
18K +-1%
15
C455
500V
100P
B
4
TO AV
P.CON+9V
TO SOUND
P.CON+9V
50V
3
27.0
H.DRIVE
Q402_1
0.3
KTC3227_Y
0
PROTECT
PROTECT
0
Q405
R405
Q406
0.6
KTC3199_Y
KTC3198
0.2
1K 1/4W R403
0
0
10K
5.0
2
FROM POWER
UNREG+18V
+B
GND
D417
1SS133
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/CRT SCHEMATIC DIAGRAM
IC401
LA78041
THERMAL
PROTECTION
+
AMP
-
GND
3
4
5
6
7
0
13
26
3.9
R437
R420
2.7K
18
6.8K 1/4W
R418
27K 1/4W
HS402
763WAE0110
PIN DRIVE
0
Q409
8.7
8.1
2SC4159
0.6
8.2
0.6
PIN DRIVE
SIDE PCC
H SIZE
Q408
VR403
KTA1266
R461
VR404
R459
22K
22K
C437
820 1/2W
1 1W
0.068 TF
R409
D411
15K +-1%
AU02A-EIC
R429
2.2 2W
17
T401
H.OUTPUT
ETH19Y203AY
Q401
2SD2499(LBOEC1)
112.0
16
0
0
D405
C401_1
500V
68P
SL
MTZJ9.1B
C446
HS401
763WAA0214
R422
22
YK
8.2K 1/2W
9V REG. IC
IC402
KIA78L09BP-AT
OUT
GND
IN
C447
1
2
3
D408
9.0
0
13.0
16V
330
YK
AU02A-EIC
R450
100K 1/2W
R439
D406
1SS133
68
1W
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
NOTE:
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D
E
(MAIN PCB)
S103Y S103X
CP802A
B2013H02-5P
GND
GND
CLAMP
CLAMP
G.OUT
G.OUT
B.OUT
B.OUT
R.OUT
R.OUT
CP803A B2013H02-6P
180V
180V
NC
NC
NC
NC
GND
GND
HEATER
19
HEATER
R457
C433
10 1/2W
35V
2200
YK
L403_1
02DK000058
C449
250V
0.39
PMS
FB401
3227010F
COL
1
HV
112.0
VIDEO
F
6
128.0
S
B+
2
0
128.0
GND
11
AFC
9
HEA
0
ABL
TER
7
10
0
GND
8
13
E12
4
GND
8
0
0
E25
3
E8
NC
0.3
5
-27.0
D407
AU02A-EIC
C435
100V
0.1
MKT
C448
R421_1
250V
10
YK
68K 1/2W
PCB010
TMB544
THE RESISTOR MARKED F IS FUSE RESISTOR.
CAUTION:
SINCE THESE PARTS MARKED BY
THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP
CRITICAL FOR SAFETY,USE ONES
IS NON POLAR ONE.
DESCRIBED IN PARTS LIST ONLY
D
E
F
G
(DBTV2702)
L402
CP802B
HF57T18.5*10*10
B2013H02-5P
GND
1
1
GND
CLAMP
2
2
CLAMP
G.OUT
3
3
G.OUT
B.OUT
4
4
B.OUT
R.OUT
5
5
R.OUT
CP803B
B2013H02-6P
180V
1
1
180V
2
2
NC
NC
3
3
NC
NC
4
4
GND
5
5
GND
HEATER
6
6
HEATER
CD801
CP801
CU822501
A2361WV2-2P
1
1
2
2
100.6
RED OUT
Q801
V801
KTC3199_Y
M68LWF088X
5
7
1
11
B
6
G
8
R
10
9
R801
220
123.0
RED OUT
CP401
Q804
B06B-DVS
KTC4217
6
5
NC
4
3
NC
2
1
FOCUS
CP806_1
SCREEN
CAUTION: DIGITAL TRANSISTOR
CAUTION: DIGITAL TRANSISTOR
PCB110
TCB403
ATTENTION:
LES PIECES REPAREES PAR UN
ARE
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
F
G
H
8
7
3.2
3.2
3.2
100.6
2.7
100.6
2.7
2.7
BLUE OUT
GREEN OUT
Q803
Q802
KTC3199_Y
KTC3199_Y
6
R810
R808
220
7.4
220
7.4
7.4
123.0
123.0
100.6
100.6
100.6
GREEN OUT
BLUE OUT
Q805
Q806
5
KTC4217
KTC4217
20
22
21
4
3
J801
CVT3275-5102
100.6
6.4
0
100.6
0
100.6
2
R.SIGNAL
1
ETANT
G.SIGNAL
B.SIGNAL
DEFLECTION SIGNAL
H
G-6

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