Micon/Tuner - Toshiba MD20FN1 Service Manual

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
D106
1SS133
5
C103
6.3V
220
4
3
2
CAUTION
:SINCE THESE PARTS MARKED BY
ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
1
ATTENTION
:LES PIECES REPAREES PAR UN
ETANT
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
A
B
G-15
C
MICON/TUNER SCHEMATIC DIAGRAM
19
18
R119
10K
5.2
SW
Q104
4.1
KTA1504S_Y_RTK
4.7
R125
4.7K
D101
2
3
1
1SS133
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
42
41
40
39
38
37
36
35
34
33
32
31
30
YK
1
2
3
4
5
6
7
8
9
10
11
12
13
0
0
5.2
3.2
5.1
0
5.2
3.7
3.7
5.2
5.2
5.1
R.SIGNAL
B.SIGNAL
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
G.SIGNAL
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
PLAYBACK LUMINANCE SIGNAL
TUNER VIDEO SIGNAL
PLAYBACK VIDEO SIGNAL
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D
E
(AV PCB)
NC
NC
NC
NC
NC
NC NC
NC
NC
NC
R140
R144
100
R141
2.7K
R145
2.7K
2.7K
25
26
0
5.2
5.0
4.2
0
0
0
0
29
28
27
26
25
24
23
22
14
15
16
17
18
19
20
21
0
0
2.3
5.2
5.2
4.1
0
5.2
KTC3875S_Y_RTK
5.0
0
0
4.0
4.0
0
5.2
5
6
7
8
4
3
2
1
0
0
0
0
D
E
F
G
20
FROM/TO IN/OUT
21
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
V-BUFFER
DEGAUSS_H
Q105
POWER_FAIL
GND
R159
33K 1/4W
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
TV/DVD
TUNER_AUDIO
SCL
SDA
F
G
H
8
7
6
5
4
3
2
PCB250
TMB561
1
H
G-16

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