Block Diagram - Durabrand DBTV1901 Service Manual

CH UP
VOL UP
CH DOWN
VOL DOWN
POWER
OS101
1
2 AT+5V
3
X101
EFOEC8004T4
Q507
FEED BACK
SW.
T502
8
6
13
16
UNREG + 12V
E-1
TU001
11 5 4
MICON IC
IC101 OEC7045B
5 P02/AUDIO MUTE
AD6/KEY2
26
CVIN 17
RED R 42
27 AD5/KEY1
GREEN G 41
BLUE B 40
OUT1/BLANK BL
39
10
INT1/REMOCON
P50/H. SYNC 1
P51/V. SYNC
2
SCL1
34
SDA1
32
19 XIN RESET
25
5 6
20 XOUT
SDA SCL
J703
1 2
Q504 J702
FEED BACK
1
2
Q502
BUFFER
DEGAUSS COIL
Q501 L503
SW
D501~D504
RECTIFIER
L501
3 1
5 2
F501
AC IN

BLOCK DIAGRAM

CHROMA IC
IC601 M61206FP
X602
3.579545MHz
1 X' TAL
32
62
RF AGC OUT
CF601
SAW FILTER
64
VIF IN (1)
1
VIF IN (2)
8.7V REG OUT
40 Y SW OUT
30 R IN
28 G IN
20 B IN
27 FAST BLK
5.7V REG OUT
12 INV FBP OUT
29 V PULSE OUT
START UP VCC
SCL
5
SDA
10
42 MCU RESET
52 EXT AUDIO IN
MEMORY IC
IC199
34
EXT C IN
S-24C02BDP-1A
V-OUT IC
IC401 AN5522
PUMP UP
-
AMP
+
VCC
7 5 6 2
IC351 AN7511
AUDIO OUT 50 2 6
Q607
SOUND AMP
IC
POWER ON
13 SW 4 8
CONT
Q606
REG
33
Q801
R OUT RED OUT
14
Q802
G OUT 15
GREEN OUT
B OUT 16
Q603
Q803
REG
41
BLUE OUT
FBP IN 6
19
H OUT 7
Q604, Q605
5V REG REG
39
Q402
VREG VCC 55
H. DRIVE
V OUT 17
Q401
H. OUTPUT
FB401
1
2
10
3
SP351
UNREG + 12V
11 6
8
B G R
CRT
Heater
10 F 7
DY
9
F
S
HV
E-2