Toshiba MD9DM3 Service Manual page 55

A B
8
7
FROM/TO AV SW
DVD_A_L
DVD_A_R
SWD_V.OUT
MONITOR_A_L
MONITOR_A_R
FROM/TO POWER
6
P.CON+9V
AT+9V
L7002
P.CON+D5V
100uH
SPDIF-134
AT+5V
P.CON+12V
GND
ZERO
SYS_MUTE
5
DVD_AUDIO_L
DVD_AUDIO_R
FROM MICON/TUNER
EXT_MUTE
TV/DVD
4
R7004
W852
ZERO
1K
3
C7006
R7001
DVD_AUDIO_L
10K 50V 2.2
KANP
R7002 C7007
DVD_AUDIO_R
2
10K 50V 2.2
KANP
NOTE: THE DC VOLTAGE AT EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
1 DURING PLAYBACK
A B
G-17
C
IN/OUT SCHEMATIC DIAGRAM
MUTE SW
Q7005
6.8 DTA114EKA
MUTE SW
6.8
Q7007
2SC2412K
0.2
0.3
R7025
MUTE SW
MUTE SW
0.1 Q7008
Q7004 2.2K
0
2SC2412K
2SC2412K
6.8 0.3
R7014 R7020 R7026
0
10K 10K 2.2K
0.1
0 0
D AUDIO DRIVER
4.8 RCA JACK
Q7001
J7001
2SC2412K
YKC21-3895
1.6
1.2 R7016 C7015 B7001
120 0.1 B W4BRH3.5X6X1
1.2
C7024
D AUDIO DRIVER
Q7002
1.5
2SA1037AK 100P CH
0
D7005
0
MUTE DET 1SS133 D7006
Q7003
0.7
2SC2412K 1SS133
0
0
MUTE SW
SYS_MUTE
Q7006
4.8
DTC144EKA
0
C7033
C7020 220P CH
0.0015 B R7029
12K
R7008 R7024
10K 10K
C7031
R7034
16V 22 KA 470
0 6.1 6.2 6.2
4 3 2 1
-
R7011 +
100K +
-
5 6 7 8
6.1 6.2 6.2 12.4
C7032
R7035
R7012 C7022_2 16V 22 KA 470
100K 0.0015 B
R7013 R7023
R7028
10K 10K
12K
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
(AV PCB)
5 4 3 1
8 9 10 12
39
MUTE SW.
5.0
Q7010
4.9
DTA143EKA
MUTE SW
Q7012
0
2SC2412K
0
R7039
R7044
0
1K
0
330 1/4W
40
4.9 MUTE SW. 0 MUTE SW
R7040
Q7009 -0.1 Q7011
DTC124EKA 2SC2412K
0
1K
0 0
CAUTION: DIGITAL TRANSISTOR
D E
F G
D7012
1SS133
RY7001
ATX207
0.1
RELAY DRIVE
0.7
Q7013
0
2SC1815Y
41
R7049
330 1/2W
8.9
BUFFER
Q7014
0.5
1.4 2SC2412K
2.2
R7047
BUFFER
Q7015
1.4
100
2SA1015Y
0
R7045
330 1/4W
H1 H2 H1
2 3 5
1 4
E E
CAUTION: DIGITAL TRANSISTOR
DIGITAL AUDIO SIGNAL(PB)
F G
H
8
7
6
5
4
3
2
PCB250
TMX486
1
H
G-18