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Manuals
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Durabrand Manuals
TV Receiver
DBTV2500
Service manual
Block Diagram - Durabrand DBTV2500 Service Manual
Color television receiver
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Service manual
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CH UP
VOL UP
CH DOWN
VOL DOWN
POWER
OS101
1
2
3
X101
8MHz
Q501
POWER
POWER REG. IC
IC501
STR30110
4
+B
RY101
D127
E-1
Q351
MUTE SW.
TU001
11
5
4
MICON IC
IC101 OEC7044A
5
AUDIO MUTE
KEY2
26
CVIN
17
RED R
42
27
KEY1
GREEN G
41
BLUE B
40
BLANK BL
39
10
REMOCON
H. SYNC
1
V. SYNC
2
SCL1
34
POWER
SDA1
36
32
19 XIN
RESET
25
5
6
20 XOUT
SDA SCL
Q101
X_RAY_TEST
30
X-RAY TEST SW
DEGAUSS COIL
L502
3
Q403
D501~D504
X-RAY TEST SW.
RECTIFIER
1
4
2
3
L501
3
1
5
2
F501
AC IN
BLOCK DIAGRAM
CHROMA IC
IC601 M61203BFP
X602
3.579545MHz
1
32
X' TAL
AUDIO OUT
62
RF AGC OUT
CF601
SAW FILTER
64
VIF IN (1)
1
VIF IN (2)
40 Y SW OUT
30 R IN
28
G IN
20 B IN
27
FAST BLK
12 INV FBP OUT
29
V PULSE OUT
START UP
5
SCL
VCC
10
SDA
42
MCU RESET
VREG VCC
MEMORY IC
17
V OUT
IC199
S-24C02BDP-1A
V-OUT IC
IC401 LA78041
PUMP UP
-
AMP
+
VCC
7
5
6
2
IC402
KIA7805API
P. CON+5V
REG IC
1
3
P. CON+5V
IC351 AN7523
50
6
2
SOUND IC
9
4
Q606
REG.
REG OUT
33
Q801
R OUT
RED OUT
14
G OUT
15
Q803
GREEN OUT
B OUT
16
Q603
Q802
REG OUT
41
REG.
BLUE OUT
FBP IN
6
Q608
CUT OFF
19
7
H OUT
Q402
55
H. DRIVE
Q401
H. OUTPUT
FB401
4
9
D404
1
F
5
S
10
HV
3
SP351
P. CON+15V
6
11
8
B
G
R
CRT
Heater
10
F
9
DY
E-2
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