Durabrand Color Television Receiver DBTV2500 - Manual (Page 20)

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
TM101
R25-1127
W812
D104
MTZJ6.8B
D001
HZ30-3L
D101 MTZJ6.8B
D103 MTZJ6.8B
DESCRIBED IN PARTS LIST ONLY
CRITICAL FOR SAFETY,USE ONES
ARE SINCE THESE PARTS MARKED BY CAUTION:
DANS LA NOMENCLATURE DES PIECES
N’UTILISER QUE CELLS DECRITES
DANGEREUSES AN POINT DE VUE SECURITE
ETANT LES PIECES REPAREES PAR UN ATTENTION:
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
GND B+ Vout
OS101
PIC-28143SY-2
1 2 3
IC199
S-24C02BDP-11
MEMORY IC
1 2 3 4
5 6 7 8
R122
4.7K
R121
4.7K
R120
4.7K
R129 1M
R117
47K
R110
1K
R111
10K
R116
47K
R126
2.7K R128
560
R119
1K
R114
10K
R115
47K
R131
47
R130
1K
R007 270 R006 270
R123
4.7K
R102 2.2K R103 2.2K R104 2.2K R124 4.7K
R112
2.2K
R113
2.2K
R107
10K
R105
4.7K
R106
4.7K
R101
560
R001
68K1/2W
R002
68K 1/2W
R135 2.7K
C115
0.1
50V
KA
C123 10
16V
KA
C002 470
6.3V
YK
C003
4.7 50V KA
C122
1 50V KA
C124
0.1 50V KA
C113
10P CH
C119
0.68 TF
C125
0.01
Y
C129
0.68
TF
C128 0.01
Y
C130
0.001 B
C004
0.022
M
C120
0.001 Y
C121
200P CH
C114
10P CH
C117
270P B
C116
270P B
TP001
C118
470 6.3V YK
TU001 NJH3021U268
1 10 11
12
13
14
15
2 3 4 5 6 7 8 9
SW105
SKHVBED010
POWER SW104
SKHVBED010 VOL DOWN
SW103
SKHVBED010
VOL UP SW102
SKHVBED010
CH DOWN SW101
SKHVBED010
CH UP
ATC001
NXC0032-010010
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: TUNER VIDEO SIGNAL
R.SIGNAL
G.SIGNAL
B.SIGNAL
DEFLECTION SIGNAL
L101 3.3uH
IC101 OEC7044A
MICON 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
5
6
7
8
9
X101_1
CST8.00MTW
1
2
3
Q101
DTC114TS
X-RAY TEST SW
S809X
CAUTION: DIGITAL TRANSISTOR
P_CON+5V
GND
+B
AGC
IF
I2C_OFF
VD
HD
OSD_R
OSD_G
OSD_B
OSD_BLK
GND
SCL
SDA
POWER
AUDIO_MUTE
POWER
X-RAY_TEST
X-RAY
AFT
SYNC
Y_VIDEO
AT+5V
RESET
PCB010
TMX456
(MAIN PCB)
TO POWER
TO SOUND
ACCESORY
FROM CHROMA
4.6
G-2 G-1
5.0 5.0
SDA SCL MODE VCC
VSS E2 E1 E0
P02/AUDIO MUTE
P50/H.SYNC
P51/V.SYNC
P00/EXT MUTE
P01/I2C_OFF
P03/(Surround)
P05/(Center_SP)
INT2/P.FAIL
INT1/REMOCON
P23/SYNC
P24
P04
P25/ON_TIMER
AVCC
HLF
V.HOLD
CVIN
CNVSS
Xin
Xout
VSS VCC
OSC2
OSC1
AD6/KEY2
AD5/KEY1
AD1/X_RAY_TEST
SDA2
SDA1
SCL2
SCL1
P10/DEGAUSS_H
P22/POWER
P21/AV1
P20/AV2
OUT1/BLANK BL
BLUE B
GREEN G
RED R
AD4/AFT
X-RAY
RESET
25" 25" 25" 25" 25"
4.9
4.9
4.8
3.9
4.9
3.0
0.8
3.4
3.7
4.2
4.9
3.6
4.9
4.9
4.9
3.2
5.0
4.9
4.9
4.7 4.7
0
0
16.0
0
30.0
IF BTL BPL V.S SDA SCL ADRES
AGC
5.0 5.0 5.0 6.2 1.3
NC NC NC NC NC
FROM/TO DEFLECTION/CRT
FROM/TO CHROMA
0
0
0
0 0
4.9
0
0
0
0
4.8
0
0
0
0
0 0
0
NC
0
NC
NC
NC
NC NC
NC
0
0
0
4.1
FROM CHROMA
FROM DEFLECTION/CRT
3
4
1
2
0 0 0
0 0 0 0
5.0 0
FROM POWER
MICON/TUNER SCHEMATIC DIAGRAM