Toshiba MD20FM3 Service Manual page 50

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A
B
NOTE:
THE DC VOLTAGE AT EACH PART WAS
8
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK
FROM/TO TV POWER
CP8004
51048-1110
1
AT+8V
2
SOUND_GND
3
SOUND+B
4
AT+6V
5
AT-8V
7
6
GND
7
GND
8
FBT+8V
9
FBT+12V
10
CHROMA+5V
11
X-RAY_TEST
FROM/TO DEFLECTION
L151
CP8005
W5T29X7.5X19
51048-1210
H.OUT
1
H.OUT
2
P.CON+30V
ACL
3
ACL
6
4
GND
V.OUT
5
V.OUT
AFC
6
AFC
VD
7
VD
POWER_FAIL
8
POWER FAIL
POWER_ON_H
9
TV POWER ON H
EW_OUT
10
EW OUT
DEGAUSS_H
11
DEGAUSS H
12
P.CON+9V
CP8001
173979-9
RESET
1
DVD RESET
5
SW1
2
SW1
3
VCC
D_LOAD
4
D LOAD
5
NC
6
NC
7
GND
3.3V OUT
MTSR
8
SSC-MTSR
Q154
MRST
2SB1143
9
SSC-MRST
2.4
4.6
3.9
FROM/TO VIDEO ENCORDER
3.9
CP8002
3.3
IMSA-9604S-18Z14
4.6
TX
18
TX
4
RX
C151
17
RX
2.4
MRST
16
SSC-MRST
6.3V
22
KA
MTSR
R168
15
SSC-MTSR
R151
SW1
14
SW1
330
2.7K
RESET
13
DVD RESET
+-1%
D_LOAD
12
D LOAD
6.3V
11
P.CON+A5V
10
GND
9
GND
8
P.CON+3.3VA
7
P.CON+D5V
6
P.CON+D5V
3
5
GND
W860
4
P.CON+3.3V
3
P.CON+3.3V
2
GND
SPDIF-134
1
SPDIF-134
CP8003
IMSA-9604S-18Z14
18
GND
DVD_Y
17
CVBS (DVD Y)
16
GND
DVD_C
15
RED(DVD C)
14
GND
DVD_VIDEO
13
GREEN(CVBS)
2
12
GND
11
NC
10
GND
DVD_AUDIO_L
AUDIO-L
9
8
GND
DVD_AUDIO_R
7
AUDIO-R
6
GND
5
GND
4
NC
ZERO
3
ZERO
DVD_RESET
2
DVD RESET
SYS_MUTE
1
1
MUTE
CD8001
2S0I0101
CD8002
2S0I0101
A
B
G-9
C
POWER SCHEMATIC DIAGRAM
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
CAUTION:
SINCE THESE PARTS MARKED BY
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
+5V REG IC
IC154
KIA7805API
IN
GND
OUT
1
2
3
P.CON+5V
8.1
0
5.0
DRIVER
Q153
R171
2SB1131
10K +-1%
C165
5.0
R166
D152
50V
4.7
KA
4.2
220
1SS133
R169
5.0
1/2W
10K +-1%
3.3V CTL
Q155
2SC2412K
R172
1.8
270
1.8
3.3V CTL
Q156
C167
3.3V CTL
3.3V CTL
2SC2412K
Q159
Q160
R170
2SC2412K
2SC2412K
6.3V
22
KA
1.9
R182
1.9
10K +-1%
2.6
2.4
C164
2.7K
W805
4.3
+-1%
5.0
1000
YK
3.4
4.3
3.3V OUT
Q158
KTA1271_Y
5.0
C
D
E
(AV PCB)
ARE
ATTENTION:
LES PIECES REPAREES PAR UN
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
+5V REG IC
+5.6V REG.
+9V REG IC
Q150
IC152
KIA7805API
IC153
KIA7809API
2SD1246
7.4
5.2
7.3
R163
D159
SB040
390 1/4W
IN
GND
OUT
IN
GND
OUT
1
2
3
1
2
3
7.8
0
5.2
11.7
0
9.1
R189
560
HS150
763WAA0173
P.CON+5V DRIVER
Q151
2SB1131
W810
5.2
5.2
4.5
R152
R153
D151
10K
220 1/2W
1SS133
P.CON+12V DRIVER
Q157
2SB1131
11.8
11.7
10.9
R179
R180
D155
10K
390 1/2W
1SS133
P.CON SW
Q152
KRC111SRTK
1.1
4.9
0
D
E
F
G
CAUTION: DIGITAL TRANSISTOR
ETANT
TO SOUND AMP
SOUND_GND
SOUND+B
P.CON+9V
P.CON+A5V
GND
TO COMB FILTER
P.CON+9V
P.CON+A5V
GND
TO STEREO
P.CON+A5V
GND
TO AV SW
GND
P.CON+9V
DVD_VIDEO
FROM/TO VIF/SIF/CHROMA
DVD_GND
EW_OUT
V.OUT
AFC
H.OUT
ACL
DVD_Y
DVD_C
VD
GND
CHROMA+5V
P.CON+9V
FROM/TO MICON/TUNER
GND
P.CON+30V
CHROMA+5V
POWER_ON_H
DVD_RESET
POWER_FAIL
RX
TX
VD
AFC
AT+5.6V
X-RAY_TEST
DEGAUSS_H
TO IN/OUT
P.CON+9V
AT+8V
P.CON+D5V
SPDIF-134
AT+5.6V
P.CON+12V
GND
ZERO
SYS_MUTE
DVD_AUDIO_L
DVD_AUDIO_R
AT-8V
F
G
H
DIGITAL AUDIO SIGNAL(PB)
PLAYBACK LUMINANCE SIGNAL
8
PLAYBACK COLOR SIGNAL
PLAYBACK VIDEO SIGNAL
AUDIO SIGNAL(PB)
7
6
5
4
3
2
PCB250
TMA503
1
H
G-10

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