Toshiba SD-V280UA Service Manual page 111

A B
8
FROM/TO SYSCON1
W833
D
GND
GND[A]
AT+D5V
SPDIF
CPU_RESET
VCC+9V
SYS_MUTE
SCL
7
SDA
CD/DVD
AT+3.3V
DAC_A
FROM/TO MPEG
SPDIF-DVD
AMCLK
ABCLK
DAC_D
6
ALRCLK
ASDATA0
CS
DAC_A
DAC_B
DAC_C
DAC_D
G_DAC
DAC_C
FROM/TO DSP
DAC_B
5
SPDIF-CD
4
3
B8502
FCM2012H-102T04
FCM2012H-102T04 W821
AUDIO_L
W822
AUDIO_R
2
1
A B
H-13
C
AUDIO/VIDEO SCHEMATIC DIAGRAM
W823 W813
C8516
1 B
W824 W816
C8517
1 B
C8518
W825 W819
1 B
C8519
W826 W820
1 B
B8501
C8529
2.2 F
2.6 2.6 5.2 3.2 0 3.1 3.1 3.1
8 7 6 5 4 3 2 1
C8530
2.2 F
9 10 11 12 13 14 15 16
0 2.6 2.9 3.0 NC 3.0 3.0 2.9 3.1
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
C
D E
(DVD PCB)
L8505
15uH 0305
VIDEO DRIVER
IC8501 MM1540AFBE
8.5 8.5
VCC VCC2
R8514
4.6 4.7
VIN VOUT
NC
75 +-1%
R8510 0
7.0
YCMIX PS1 NC
10K
C8521 R8515
4.6 4.0
CIN COUT
0.1 F 75 +-1%
0 0
CLP VEE2
R8517
4.7 4.9
YIN1 YOUT1
75 +-1%
R8511
0 0
MUTE1 VEE2
10K
6.0 0
MUTE2 VEE2
R8518
4.7 4.9
YIN2 YOUT2
75 +-1%
C8522
4.2 0
GND VEE2
16V 100
KA R8519
4.6 4.0
CBIN CBOUT
75 +-1%
C8520 0
0
D/S PS2 NC
0.1 F
R8521
4.6 4.0
CRIN CROUT
75 +-1%
D8501
0 0
1SS226
VEE1 VEE2
2
1 3 1
C8535
0.1 F R8520
NC
3.2 0 0 0 0 0 0 0 1K
16 15 14 13 12 11 10 9
1 2 3 4 5 6 7 8
1.6 0
1.6 0 0 0 0 0
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
D E
F G
VCC+9V
9.4 9.2 8.5
3 2 1
REG.
Q8506
HN1C03F_B
4 5 6
8.5 9.2 9.4
R8516
680
DAC/D[CVBS]
CVBS
DAC/C[C]
C(CVBS)
DAC/B[Y1]
Y(G)
DAC/A[Y2]
DVD_Y(G)
DVD_U
DVD_U(B)
DVD_V
DVD_V(R)
D8502 D8503 D8504 D8505 D8506
1SS226 1SS226 1SS226 1SS226 1SS226
2 2 2 2 2
3 1 3 1 3 1 3 1 3
DAC/B[Y1]
DAC/C[C]
DAC/D[CVBS]
DVD_U
DVD_V
DAC/A[Y2]
AUDIO_L
AUDIO_R
ZERO
CPU_RESET
W811
SYS_MUTE
PCB130
VMB261
F G
H
8
7
6
5
4
CC001
FROM/TO DVD I/O
CP8502 (CP8002)
FFC(1.25P)
IMSA-9604S-18Z14
Y(G) 18
CD8002 2H0I1801
GND 17
3
C(CVBS) 16
GND 15
CVBS 14
GND 13
DVD U(B) 12
GND 11
DVD V(R) 10
GND 9
DVD Y(G) 8
GND 7
AUDIO-L 6
GND 5
AUDIO-R 4
2
ZERO 3
DVD RESET 2
SYS MUTE 1
1
H
H-14