Durabrand DBTV1901, Руководство по обслуживанию

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A B C D E F G H
A B C D E F G H
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
CAUTION: DIGITAL TRANSISTOR
X602
3.579545MHz
Q607
DTC114ES
SWITCHING
D601
1SS133
D605
11E1-EIC
D613
1SS133 D615
1SS133 D616
1SS133
Q605
KTC3203_Y-AT
REG
Q603
KTC3203_Y-AT
REG
Q604
KTC3203_Y-AT
REG
Q606
KTC3203_Y-AT
REG
C627
1
50V
NA
LUMINANCE SIGNAL
AUDIO SIGNAL
OUTOUT G IN IN
CF601
SAF45MFY220ZR
SAW FILTER
1 2 3 4 5
IC601
M61206FP
CHROMA IC
1 10 11 12 13 14 15 16
17
18
19
2
20
21
22
23
24
25
26
27
28
29
3
30
31
32
33 34 35 36 37 38 39
4
40 41 42 43 44 45 46 47 48
49
5
50
51
52
53
54
55
56
57
58
59
6
60
61
62
63
64
7 8 9
CF604
EFCT4R5MW5
CF603
EFCT4R5YS5A
CP601 173979-6
1
2
3
4
5
6
R629
33
3W
L605_2
1uH
0305
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.
NOTE:
C636
0.01
Y
C622
0.015
M
C613_3
1 63V MKT
C607
0.01
Y
C634
0.01
Y
C626 0.001 Y
C621 0.01 Y
C618
22P
SL
C623 0.0033 M
C629 100P
SL
C655_1
0.0068 Y
C609
0.01 Y
C639
0.01
Y
C616
15P
CH
C625
1
50V
KA
C619_1
1
50V
KA
C638_1
4.7 50V KA
C601
1000
6.3V
YK
C624
47
16V
YK
C632 2.2 50V KA
C604
1 50V KA
C642
1 50V KA
C612
1000
10V
YK
C630
47
16V
YK
C647
1 50V KA
C603
1
50V
KA
C606
0.22 50V KA
C605
0.47
50V
KA
C635
47
16V
YK
C645
47 16V YK
R613_1
560 1/2W
R622 120
R615
470
R633 8.2K
R638 22K
R646 47K
R641_1
27K 1/4W
R647
2K
R621 2.7K
R602
1K
R628
100
R632
220
R634
10K
R642
1K
R623
120
1/4W
R614
2.2K
R619
2.2K
R625
2.2K
R636
33K
R618 10M 1/4W
R605 4.7K
R601
2.2K
R626
3.3K
R603 1.5K
R635
100
R609
470
R639
100
R611 10K
R630 100
R627 100
R631 100
R620
56
R606
10K
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
DANS LA NOMENCLATURE DES PIECES
N’UTILISER QUE CELLS DECRITES
DANGEREUSES AN POINT DE VUE SECURITE
ETANT LES PIECES REPAREES PAR UN ATTENTION:
DESCRIBED IN PARTS LIST ONLY
CRITICAL FOR SAFETY,USE ONES
ARE SINCE THESE PARTS MARKED BY CAUTION:
D603
MTZJ12B
D610
MTZJ12B
D611
MTZJ12B
D602
MTZJ8.2B
D612
MTZJ12B
W818
W829
W806
W816
W817
W810
L607 15uH
L606
2.2uH
L601_2
1.2uH
DEFLECTION SIGNAL
B.SIGNAL
G.SIGNAL
R.SIGNAL
TUNER VIDEO SIGNAL
UNREG+12V
VIDEO_IN
AUDIO_OUT
AUDIO_IN
GND
Y_VIDEO
AT+5V
SYNC
TUNER+5V
V_OUT
RESET
ABCL
AFT
V_FEEDBACK
AGC
IF GND
H_OUT
H_SYNC
B.OUT
G.OUT
R.OUT
CLAMP
GND
HD
POWER
OSD_B
OSD_BLK
OSD_G
VD
OSD_R
I2C_OFF
SDA
SCL
7.2 4.9
5.5
G-4 G-3
PCB010
TMX494
NC
NC
NC
FBP IN
SCL
RF AGC OUT
AFT OUT
VIF GND
VIF VIDEO OUT
QIF IN
VIF APC FILTER
VREG Vcc
VIF VCO F/B
AUDIO BYPASS
EXT AUDIO IN
FM DIRECT OUT
Hi Vcc
R OUT AFC FILTER DEF
H OUT
SDA
H VCO F/B
INV FBP OUT POWER ON CONT
STRAT UP Vcc
B IN
V RAMP FEEDBACK
V RAMP CAP
VIDEO CHROMA Vcc
fsc OUT
V PULSE OUT
R IN
CHROMA APC FILTER
TV/Y IN
5v REG
Y SW OUT
VIDEO/CHROMA GND
FAST BLK
SPOT KILLER
RF AGC FILTER
INTELLIGENT MONI
MCU RESET
VIF Vcc
5.7V REG OUT(FOR CPU)
47 LIMITER IN
48 IF AGC
49 QIF OUT
34 EXT C in
33 8.7V REG OUT
32 X’TAL
17 V OUT
16 B OUT
46 SW REG CONT
AUDIO OUT ACL/ABCL
GND
SDA
B.OUT
INT.MONI
SCL
8.8
5.5
4.9
4.9 7.2
5.5
1.5 4.9 4.9 4.9 4.9 3.4 3.9 4.9 2.0 2.0 2.0
3.6
7.9
7.9
2.8
4.7
4.9
7.0
4.7
2.6
3.3
8.5 1.9 3.2 2.5 5.6 5.7 7.9 2.2 3.0
2.3
2.4
2.2
3.0
2.9
3.2
8.7
3.2
2.2
1.9
2.8
4.6
2.9
1.5
5
6
11 12
0 0 0 0 0 0
2.8
0 0 0 0 0
0
0
0
0
0
0
4.9
8
13
7
TEST POINT
IIC_OFF
FROM SOUND/AV
FROM/TO SOUND/AV
FROM/TO MICON/TUNER
64 VIF IN (1)
1 VIF IN (2)
G IN
FROM/TO DEFLECTION/CRT
CHROMA SCHEMATIC DIAGRAM
(MAIN PCB)
FROM TV POWER
10
7.9
8.5
11.3
9
7.9
0
0
4.9
G OUT
V OUT