Toshiba MD20F51 Service Manual page 52

Color television/dvd video player
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A
B
8
7
NC
NC
0.2
0.3
5
4
NC
NC
OUT
IN
GND
1
2
3
5.2
5.2
0
6
D101
1SS133
D106
1SS133
5
C103
6.3V
220
YK
4
3
2
CAUTION
:SINCE THESE PARTS MARKED BY
ARE
ATTENTION
1
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
A
B
G-11
C
MICON /TUNER SCHEMATIC DIAGRAM
TU001
19
18
NC
NC
R119
10K
5.2
SW
Q104
4.1
KTA1504S_Y_RTK
4.7
R125
4.7K
X101
CSTLS16M0X53-A0
2
3
1
22
23
24
C124
0.1 F
5.2
2.6
2.9
0
3.9
4.3
0.2
5.1
4.7
5.2
2.4
2.1
0
0
5.2
42
41
40
39
38
37
36
35
34
33
32
31
30
29
1
2
3
4
5
6
7
8
9
10
11
12
13
14
0
0
5.2
5.0
3.2
5.1
0
5.2
3.7
3.7
5.2
5.2
0
5.1
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
:LES PIECES REPAREES PAR UN
ETANT
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
DANGEREUSES AN POINT DE VUE SECURITE
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
C
D
E
(AV PCB)
115-V-KA35ARB
20
21
NC
NC
NC
NC NC
NC
NC
NC
R140
R144
100
R141
2.7K
R145
2.7K
2.7K
25
26
5.0
4.2
0
0
0
0
28
27
26
25
24
23
22
15
16
17
18
19
20
21
0
2.3
5.2
5.2
4.1
0
5.2
V-BUFFER
Q105
KTC3875S_Y_RTK
5.0
0
0
5
6
7
4
3
2
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
D
E
F
G
FROM/TO IN/OUT
SCL
SDA
I2C_OFF
REMOCON
KEY_A
KEY_B
POWER_ON_H
FROM/TO VIF/SIF/CHROMA
POWER_ON_H
AV2
AV1
OSD_Y
OSD_B
OSD_G
OSD_R
SDA
SCL
TV/DVD
W804
SYNC_VIDEO
H_CONTROL
PROTECT
TUNER_VIDEO
VIDEO_OUT2
HD
FROM DEFLECTION
+30V
VD
X-RAY
FROM/TO POWER
R159
DEGAUSS_H
POWER_FAIL
33K 1/4W
GND
FROM/TO REGULATOR1
GND
DVD_RESET
POWER_ON_H
RX
TX
P.CON+5V
AT+5.6V
DVD_H
FROM/TO SOUND AMP
A_MUTE
SCL
SDA
FROM/TO STEREO
DVD_RESET
8
TV/DVD
TUNER_AUDIO
SCL
SDA
1
B.SIGNAL
G.SIGNAL
R.SIGNAL
F
G
MD20F51/MD20F51C
H
8
7
6
5
4
3
2
PCB250
CME012
TUNER VIDEO SIGNAL
1
PLAYBACK VIDEO SIGNAL
PLAYBACK LUMINANCE SIGNAL
H
G-12

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