Toshiba MD20FM1 Service Manual page 44

A B
8
7
FROM/TO AV SW
MONITOR_A_L
MONITOR_A_R
DVD_A_L
DVD_A_R
SWD_V.OUT
REAR_A_IN-L
REAR_A_IN-R L7002
6 100uH
REAR_V_IN
R7005
10
FROM/TO POWER
AT+8V
P.CON+D5V
SPDIF-134
5
GND
AT-8V
AT+5.6V
L7001
W820
P.CON+12V
4.7mH 0607
ZERO
SYS_MUTE
W807
DVD_AUDIO_L
DVD_AUDIO_R
0
P.CON+9V
4
FROM/TO MICON/TUNER
EXT_MUTE
TV/DVD
R7008
10K
3
C7006
R7001 R7011
DVD_AUDIO_L
10K 50V 2.2 100K
KA
C7007
R7002 R7012
DVD_AUDIO_R
10K 50V 2.2 100K
KA
R7013
2
10K
CAUTION: DIGITAL TRANSISTOR CAUTION: DIGITAL TRANSISTOR
1
A B
G-17
C
IN/OUT SCHEMATIC DIAGRAM
MUTE SW
Q7005
7.4
DTA114EKA
MUTE SW
7.3
Q7007
2SC2412K
0.8
0 R7025
MUTE SW MUTE SW
0.2
Q7004 2.2K Q7008
2SC2412K 0 1.1 2SC2412K
7.3
R7014 R7020 R7026
0 0.2
10K 10K 2.2K
0
0
4.9
D AUDIO DRIVER
J7001
Q7001
1.6 YKC21-3895
2SC2412K
R7016 C7015 B7001
1.2
120 0.1 B
W4BRH3.5X6X1
1.2
D AUDIO DRIVER
C7024
1.6
Q7002
2SA1037AK
100P CH
0
W854
D7005
1SS133
D7006
0.3
MUTE DET
0
1SS133
Q7003
2SC2412K MUTE SW
0 3.2
Q7017
DTC144EKA
0
C7020 R7029
0.0015 CH 12K
R7024
10K R7031
C7031
8.2K R7034
16V 22 KA 470
5.8 5.8 5.8
0
4 3 2 1
-
+
+
-
5 6 7 8
5.8 5.8 5.8 11.5
C7032
R7035
16V 22 KA 470
C7022
0.0015 CH
R7023
10K R7028
12K
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME NOTE:THE DC VOLTAGE EACH PART WAS
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
C
D E
(AV PCB)
7.4 0 NC 0.3 0.7 0.3 0 0
0
16 15 14 13 12 11 10 9
Vdd BOUT AOUT AY AX A B C
0
4.1
0
BY BX CY COUT CX INH Vee Vss
1 2 3 4 5 6 7 8
0 0 0.9 0.1 0.1 0 -9.9 0
41
39
MUTE SW.
Q7010
5.2
5.2
DTA143EKA
MUTE SW
0 Q7012
2SC2412K
0
5.2 R7039
MUTE SW.
0
0
Q7009
1K B7003
0
KRC103SRTK
40
0
W4BRH3.5X6X1 B7004
W4BRH3.5X6X1
0 MUTE SW
Q7011
2SC2412K
0
0
D E
F G
SW
Q7013
KRC103SRTK
R7053
2201/2W
9.0
0.5
BUFFER
Q7014
1.1 2SC2412K
BUFFER
1.8
Q7015
R7047
KTA1266
100
1.1
0
H2 H1
H1 H2 H1
2 3 5 4 2
1 4 1
E E E
AUDIO SIGNAL
AUDIO SIGNAL(PB)
TUNER AUDIO SIGNAL
DIGITAL AUDIO SIGNAL(PB)
TUNER VIDEO SIGNAL
PLAYBACK VIDEO SIGNAL
F G
H
8
7
6
5
4
8.3
4.4
BUFFER
Q7016
2SC2412K
3.8
8.3
4.4
BUFFER
Q7006
2SC2412K
3.8
3
NC H1
3 6
2
5
E
PCB250
TMA503
1
H
G-18