Toshiba VTW21FQR Посібник з експлуатації - Сторінка 16
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A
B
8
7
FROM/TO MPEG/MICON/DSP/RF_AMP
DAC_VIDEO_C
DAC_VIDEO_B
DAC_VIDEO_D
P.CON+5V
6
RESET
MC
MD
ML
AMCLK
ABCLK
ALRCLK
ASDATA0
P.CON+A5V
SYS_MUTE
GND
(GND,D_GND)
5
(D_GND)
TO MEMORY
B8103
4
MMZ1608R102CT
RESET
TO MOTOR DRIVE
CD_LD_CTL
3
2
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
1
A
B
H-7
C
D
AUDIO/VIDEO SCHEMATIC DIAGRAM
C8105
DAC_VIDEO_C
12P
CH
L8102
1uH
0305
C8108
W819
DAC_VIDEO_B
12P
CH
L8103
1uH
0305
C8111
W820
DAC_VIDEO_D
12P CH
L8104
1uH
0305
C8114
R8113
1 B
470
C8125
1 B
C8113
R8112
1 B
470
C8126
1 B
NC
2.4
2.5
4.9
3.3
0
1.6
1.1
1.6
8
7
6
5
4
3
2
1
9
10
11
12
13
14
15
16
0
2.4
3.3
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
(DVD PCB)
C/B/U
DAC_C_VIDEO
8
Y/R/V
DAC_B_VIDEO
9
CVBS/C
DAC_D_DVD_VIDEO
10
6
7
R.SIGNAL
+ COMPONENT SIGNAL(U)
B.SIGNAL
+ COMPONENT SIGNAL(V)
PLAYBACK COLOR SIGNAL
AUDIO SIGNAL(PB)
E
F
G
P.CON+A5V
R8116
R8121
560
560
D8101
CD_LD_CTL
0.7
1SS355
3.2
CD_CONTROL
Q8101
DTC124EKA
0
(RF_GND)
TP8101
TP8102
NC
TP8103
NC
TP8104
NC
TP8105
NC
W825
TP8106
W826
RESET
D8111
TP8107
ZERO
TP8108
R_AUDIO
1SS355
W824
TP8109
L_AUDIO
TP8110
TP8111
TP8112
DAC_B_VIDEO
TP8113
DAC_C_VIDEO
TP8114
DAC_D_DVD_VIDEO
D8112
SYS_MUTE
1SS355
CAUTION: DIGITAL TRANSISTOR
F
G
H
1
2
3
4
8
Y
G
CVBS
Y
A
B
V
R
Y
V
C
U
B
C
U
D
C
CVBS
CVBS
CVBS
7
6
FROM/TO CHROMA/IF
DVD COMBO 180mm
CP8101_2
IMSA-9604S-12F
DVD-H(GND)
12
DVD RESET
11
FFC(1.0mm pitch)
ZERO
10
5
AUDIO-R
9
CD8101
2H0C220
GND
8
AUDIO-L
7
GND
6
Y
5
4
GND
3
C
GND
2
CVBS
1
4
3
2
PCB130
DME031
1
H
H-8