Durabrand DBTV2500 CRT Television User Manual


 
BLOCK DIAGRAM
29
15
14
16
62
1
64
33
50
CF601
SAW FILTER
42
AGC
IF
TU001
11
1
CHROMA IC
IC601 M61203BFP
PUMP UP
AMP
+
-
72
65
V-OUT IC
IC401 LA78041
IC351 AN7523
SP351
Q801
RED OUT
Q803
GREEN OUT
Q802
BLUE OUT
CRT
11
6
8
RGB
Heater
F
9
2
V. SYNC
25
RESET
MICON IC
IC101 OEC7044A
9
HV
F
S
FB401
10
1
Q402
H. DRIVE
Q401
H. OUTPUT
Q101
X-RAY TEST SW
30
X_RAY_TEST
31
P. CON+5V
REG IC
IC402
KIA7805API
P. CON+5V
19 XIN
20
XOUT
X101
8MHz
3
4
POWER REG. IC
IC501
STR30110
D501~D504
RECTIFIER
2
5
1
3
L501
DEGAUSS COIL
L502
POWER
Q501
POWER
36
AUDIO MUTE5
19
10
32
X602
3.579545MHz
Q606
REG.
6 2
E-1
E-2
Q608
CUT OFF
SOUND IC
5
POWER
VOL UP
KEY1
27
CH UP
VOL DOWN
CH DOWN
OS101
1 REMOCON10
3
4
1
2
AC IN
RY101
4
D404
D127
9
SDA
5
SCL
4
34
SCL1
32
SDA1
6
5
MEMORY IC
IC199
S-24C02BDP-1A
2
5
10
17
4
P. CON+15V
7
3
AUDIO OUT
REG OUT
R OUT
G OUT
B OUT
START UP
VCC
H OUT
X' TAL
RF AGC OUT
VIF IN (1)
VIF IN (2)
V PULSE OUT
SCL
SDA
MCU RESET
V OUT
Q403
X-RAY TEST SW.
+B
KEY2
26
3
SDA
SCL
12
INV FBP OUT
1
H. SYNC
27
39
BLANK BL
FAST BLK
20
B IN
40
BLUE B
28
41
GREEN G
G IN
30
R IN
42RED R
17
CVIN
40
Y SW OUT
F501
VCC
41
REG OUT
55
VREG VCC
6
FBP IN
Q603
REG.
MUTE SW.
Q351
DY