Audio/Video - Toshiba MD20FP1C Service Manual

A B
AUDIO/VIDEO SCHEMATIC DIAGRAM
8
FROM/TO MPEG/MICON
P.CON+A5V
7
DAC_VIDEO_C
DAC_VIDEO_B
DAC_VIDEO_D
P.CON+5V
P.CON+3.3V
RESET
MC
MD
ML
AMCLK
ABCLK
ALRCLK
ASDATA0
6
GND
5
D_GND
TO MEMORY
4
RESET
B8503
B8502
FCM2012H-102T04
FCM2012H-102T04
3
2.4 2.5 4.9
8 7
9 10
0 2.4 3.3
2
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
1
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A B
G-7
C
(DVD PCB)
P.CON+A5V
DAC_VIDEO_B
DAC_VIDEO_D
C8514_1
W878
50V 4.7 KA
6
C8513_1
W872
50V 4.7 KA
7
3.3 0 1.6 1.1 1.6
6 5 4 3 2 1
11 12 13 14 15 16
0 0 0 3.3 1.7
NC
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
C
D E
1.4
C8505
0.6
DAC_VIDEO_C
VIDEO_BUFFER
12P CH
0
Q8502
L8502
KTA1504S_Y_RTK
1uH 0305
VIDEO_BUFFER
Q8503
1.3
KTA1504S_Y_RTK
C8508
0.6
12P CH
0
L8503
1uH 0305
1.3
C8511
0.5
12P CH VIDEO_BUFFER
0
Q8504
L8504
KTA1504S_Y_RTK
1uH 0305
PLAYBACK COLOR SIGNAL
PLAYBACK LUMINANCE SIGNAL
PLAYBACK VIDEO SIGNAL
AUDIO SIGNAL(PB)
DIGITAL AUDIO SIGNAL(PB)
D E
F G
W876
DAC_C[C]_VIDEO
10
W877
DAC_B[Y]_VIDEO
9
W879
DAC_D_DVD_VIDEO
8
DAC_D_DVD_VIDEO
DAC_C[C]_VIDEO
DAC_B[Y]_VIDEO
L_AUDIO
R_AUDIO
W871
ZERO
RESET
R.SIGNAL + COMPONENT SIGNAL(U)
B.SIGNAL + COMPONENT SIGNAL(V)
F G
H
8
7
6
5
4
FROM/TO REGULATOR1
CP8502 (CP8002)
IMSA-9604S-12Z13
CVBS 1 FFC(1.25P)
GND 2
CD8501
C(CVBS) 3
2H0C1001
GND 4
3
Y 5
GND 6
AUDIO-L 7
GND 8
AUDIO-R 9
ZERO 10
DVD RESET 11
GND 12
2
PCB130
VMC319
1
H
G-8