Toshiba MD20FM3 Service Manual page 55

A B
8
7
6
FROM POWER
GND
P.CON+9V
DVD_VIDEO
FROM/TO MICON/TUNER
SWD_V.OUT
5 SDA
SCL
GND
FROM STEREO
TUNER_A_L
TUNER_A_R
FROM/TO VIF/SIF/CHROMA
TU_VIDEO
MONITOR_V
TU_AUDIO
4
FROM/TO SOUND AMP
MONITOR_A_R
MONITOR_A_L
FRONT_VIDEO
FRONT_A_L
FRONT_A_R
TO COMB FILTER
MONITOR_V
3
FROM/TO IN/OUT
MONITOR_A_L
MONITOR_A_R
DVD_A_L
DVD_A_R
SWD_V.OUT
REAR_A_IN-L
REAR_A_IN-R
W873
REAR_V_IN
2
1
A B
G-19
C D
AV SW SCHEMATIC DIAGRAM
R8026
220 1/2W
8.8
R8019 C8013
4.2 BUFFER
Q8005
1K
50V 10 YK 2SC2412K
3.8
8.8
R8018 C8014
4.2 BUFFER
Q8004
1K
50V 10 YK 2SC2412K
3.8
L701
100uH 0305
C704
R710
TUNER_A_L
4.9
50V 2.2 KA 100
C703
TU_VIDEO
4.3
0.1 B
C705
R711
TUNER_A_R
4.9
50V 2.2 KA 100
NC
3.5
C707
Vcc
0.01 B 9.0
NC
3.5
C701
BIAS
16V 22 KA 4.3
9.0
43
BUFFER R716
Q702
5.0
2SC2412K 100 5.0
4.3
SWD_V.OUT
4.2
4.2
MONITOR_V
NC
4.4
GND
0
44
NC
MONITOR_A_L
4.2
45
NC
MUTE
MONITOR_A_R
0
R706
SCL
SCL
4.3
100
R707
SDA
SDA
100 3.9
NOTE:
THE DC VOLTAGE AT EACH PART WAS NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
MEASURED WITH THE DIGITAL TESTER OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
DURING PLAYBACK
C D
E
(AV PCB)
AV SW IC
IC701 MM1311AD
C714
W853
4.7
0.1 B
C715
R712
4.9
100 50V 2.2
NC
4.4
C716
R713
4.9
100 50V 2.2
NC
4.3
S1
W834
0
C719
4.7
0.1 B
C717
4.9
50V 2.2 KA
NC
4.4
C718
4.9
50V 2.2 KA
NC
4.2
W824
S2
0
C728
0.1 B
4.3
C729
50V 2.2 KA
4.9
C730
50V 2.2 KA
4.9
ADRESS
0
E
F G
DVD_VIDEO
DVD_A_L
KA
DVD_A_R
KA
R719
75 1/4W
REAR_V_IN
REAR_A_IN-L
REAR_A_IN-R
TUNER AUDIO SIGNAL
TUNER VIDEO SIGNAL
PLAYBACK VIDEO SIGNAL
AUDIO SIGNAL
AUDIO SIGNAL(PB)
F G
H
8
7
6
5
4
3
2
PCB250
TMA503
1
H
G-20