Toshiba SD-V280UA Service Manual page 118

A B
8
FROM/TO SYSCON1
CP8001 (CD8501)
A2001WV2-13P
1 TX
W802
2 RX
3 GND
4 GND
7 W865
5 P.CON+9V
6 P.CON+9V
7 P.CON+D5V
C8048
8 P.CON+D5V
9 GND 6.3V 470 YK
10 P.CON+3.3V
11 P.CON+3.3V
12 GND
13 SPDIF-134
6
5
FROM/TO AUDIO/VIDEO
CP8002 (CP8502)
IMSA-9604S-18Z13
1 Y(G)
2 GND
3 C(CVBS)
4 GND
5 CVBS
6 GND
7 DVD U(B)
8 GND
9 DVD V(R)
4
10 GND
11 DVD Y(G)
12 GND
13 AUDIO-L
14 GND
15 AUDIO-R
16 ZERO
17 DVD RESET
18 SYS MUTE NC
FFC
3 CD8002 2H0I1801
2
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
1
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A B
H-27
C
DVD I/O SCHEMATIC DIAGRAM
W805
TX
RX
P.CON+9V
P.CON+5V_DH
P.CON+3.3V
SPDIF-134
Y_OUT
C_OUT
DVD_V_OUT
DVD_U
DVD_V
DVD_Y
ZERO
DVD_RESET
R8022
P.CON+12V
56
1/4W
R8023
10K
R8020 R8024
C8023
50V 2.2
10K KANP 100K1/4W
R8021 C8022 R8025
10K 50V 2.2 KANP 100K
R8026
10K
NOTE:THE DC VOLTAGE EACH PART WAS CAUTION: DIGITAL TRANSISTOR
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
C
D E
(VCR PCB)
C8070 R8054 R8056
0.0015 B 8.2K 2.7K
R8049
36
C8105
R8057
10K
16V 22 120 1/4W
KA
0 6.1 6.1 6.1
4 3 2 1
-
+
+
-
5 6 7 8
6.1
6.1 6.1 12.3
37
C8104
R8058
C8077
16V 22 KA 120 1/4W
0.0015 B
R8048
R8052 R8053
10K
8.2K 2.7K
CAUTION: DIGITAL TRANSISTOR
D E
F G
DVD_A_OUT_L
DVD_A_OUT_R
DVD_MUTE_L
DVD_MUTE_R
MUTE SW.
Q8013
5.2
MUTE SW KRA101SRTK
0
Q8015
2SC2412K
5.2
0
1.0 R8045
1K
MUTE SW.
0 0
D8010
1.2
Q8012
4.8
KRC103SRTK
R8031
1SS133
MUTE DET
0
Q8010
D8004 0 1K
2SC2412K
0
1SS133
MUTE SW 0
R8046
5.0
Q8014
2SC2412K
SYS_MUTE
1K
1.0
0
MUTE SW 0
Q8011
0
KRC104SRTK
AUDIO SIGNAL(PB)
DIGITAL AUDIO SIGNAL(PB)
PLAYBACK COLOR SIGNAL
PLAYBACK LUMINANCE SIGNAL
F G
H
8
7
6
FROM/TO TUNER/JACK
Y_OUT
C_OUT
SPDIF-134
DVD_Y
DVD_U
DVD_V
DVD_A_OUT_L
DVD_A_OUT_R
DVD_V_OUT
DVD_MUTE_L
5
DVD_MUTE_R
FROM/TO SYSCON2
RX
TX
DVD_RESET
SYS_MUTE
FROM/TO REGULATOR
4
GND
P.CON+3.3V
AT+5.2V
P.CON+5V_DH
P.CON+12V
P.CON+9V
AT+5.2V
3
FROM/TO Y/C/AUDIO/CCD/H.AMP
DVD_V_OUT
FROM/TO HI-FI/DEMODULATOR
DVD_A_OUT_L
ZERO
DVD_A_OUT_R
2
1
PCB010
VMB253
H
H-28