Audio/Video - Toshiba MD20FN1 Service Manual

Color television/dvd video player
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A
B
8
FROM REGULATOR2
D_GND
GND
B8501
VCC+9V
FCM2012H-102T04
P.CON+5V
7
P.CON+3.3V
Y
6
CHROMA
5
FROM/TO MPEG
Y
CHROMA
CVBS
PCM_MCLK
PCM_SCLK
PCM_LRCLK
PCM_DATA0
CPU_RESET
CVBS
ML
MC
4
MDI
SYS_MUTE
3
P.CON+5V
FCM2012H-102T04
B8502
P.CON+3.3V
FCM2012H-102T04
AUDIO_L
8
AUDIO_R
9
2
GND
CAUTION: DIGITAL TRANSISTOR
1
A
B
G-9
C
AUDIO/VIDEO SCHEMATIC DIAGRAM
W839
Y_OUT
C8504
5
22P CH
1.1
0.5
L8501
R8505
BUFFER
Q8501
2.2uH
0305
68
KTA1504S_Y_RTK
0
C8515
W844
C_OUT
22P CH
1.3
6
0.7
L8502
R8520
BUFFER
Q8502
2.2uH 0305
68
KTA1504S_Y_RTK
0
C8516
W848
CVBS_OUT
22P CH
1.1
7
0.4
L8503
R8522
BUFFER
Q8503
2.2uH 0305
68
KTA1504S_Y_RTK
0
B8503
C8507_1
W837
50V
4.7
KA
C8513_1
W838
2.6
2.6
5.2
3.2
0
3.1
3.1
3.1
50V
4.7
KA
8
7
6
5
4
3
2
1
9
10
11
12
13
14
15
16
0
2.6
2.9
3.0
3.0
3.0
2.9
3.1
NC
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
C
D
E
(DVD PCB)
CVBS_OUT
C_OUT
Y_OUT
AUDIO_L
AUDIO_R
D8507
ZERO
CPU_RESET
MCL4148
D8508
SYS_MUTE
MCL4148
0.5
0.1
MUTE CTL
0.1
Q8507
KRC102SRTK
3.2
MUTE CTL
Q8506
0
KRC102SRTK
0
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
D
E
F
G
FFC(1.25P)
CD8501
2H0C1001
FROM/TO REGULATOR1
CP8502
(CP8002)
IMSA-9604S-12Z13
CVBS
1
2
GND
C(CVBS)
3
4
GND
Y(G)
5
GND
6
AUDIO-L
7
GND
8
AUDIO-R
9
ZERO
10
DVD RESET
11
GND
12
RECORD LUMINANCE SIGNAL
RECORD COLOR SIGNAL
PLAYBACK VIDEO SIGNAL
AUDIO SIGNAL(PB)
F
G
H
8
7
6
5
4
3
2
PCB130
VMB283
1
H
G-10

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