Dsp - Toshiba SD-V280 Service Manual

A B
DSP SCHEMATIC DIAGRAM
8
(DVD PCB)
7
6
C2011
1 F
(21-25)
C2018
2.2 F (21-25)
R2005 47K
FROM/TO READ CHANNEL
C2019 0.1 F
5
A_GND
GND
VRFD
C2060
A+3V
0.1 B
RFCD_DVD
SLCD1
C2004 0.001 B
RFZI
W208
TEZI
C2005 0.001 B 0
FEI
TEI
4
RESB
RFRP
C2002
C2006
0.001 B
C2007
0.001 B
2.2 F
FOO
C2001 (21-25)
TRO
C2003 0.022 B R2004
C2008 0.1 B
330P
CH
FMO
DMO
TEBC
FEBC
3 DPDC
EQBC
DFCT
VRCK
SCO
SCL
SCB
DMFG
ASLCO
RESET
D_GND
GND
2
SERVO SHUT DOWN
Q2001
2SC3326_B
1.9 1.7
0
1
A B
H-3
C
0 2.5 2.5
44 43
1 2
5.1 2.5 2.5
C2036
0.1 F
C2031
150P CH
R2009
W201 0
47K
W202 0
132 131 130 129 128 127 126 125 124 123 122 121 120 119 118 117 116 115 114 113
1.7
1.7
1.7
PVREF
1.0
VCOREF
1.0 133 LPFN
C2024 100P CH
VCOF
134 LPFO
3.3
PVOO
3.8
SLCO1
2.5
NC SLCO2
3.3
TEST2
W207
1.8
RFCD
W206
1.8
RFDVD
0 C2027 2.2 F 3.3
AVDD
1.7
R2016 100 (21-25)
RFCT
1.7
RFZI
C2023 0.1 B 1.7
TEZI
1.7
AWIN
0
AVSS
1.7
FEI
1.7
TEI
1.7
RFSB
1.7
RFRP
0
AVSS
W205
1.7
TEPI
W204
0 1.7
EXTED
0 1.7 TC94A03F
VREF
1.7
R2026 2.2K
FOO
1.7
R2018 2.2K
TRO
3.3
AVDD
10K
R2011 22K 1.0
AWCTL
1.7
R2021 10K
FMO
2.3
R2012 10K
DMO
R2022 10K 1.7
TEBC
R2013 10K 1.7
FEBC
R2023 10K 2.0
DPDC
2.5
R2014 10K
EQBC
R2024 10K 0.8
ANMON
3.2
/DFCT
R2015 3.3K 1.6
VRCK
0
VSS1
1.0
175 FGIN
SCO
0 176 ASLCP
SCL
R2010 C2026 0
SCB
1.3
1.7
10K 0.1 F
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29
R2046
470K
C
D E
2.5 2.5 0 2.5 2.5 2.5 2.5 4.6 4.6 0.3 0
42 41 40 39 38 37 36 35 32 31 30 29 28
3 4 5 6 7 8 9 10 13 14 15 16 17
2.5 2.5 5.1 2.5 2.5 2.5 2.5 4.8 3.9
NC NC NC
99 98 97 96 95 94 93 92 91 90 89
112 111 110 109 108 107 106 105 104 103 102 101 100
0
NC
0.7 DPA7
0.7 DPA6
BA6
0.7
DPA5
BA5
88 BA8 0.7
DPA4
BA4
87 BA7
0
VSS2
0.6 DPA3
BA3
0.6 DPA2
BA2
0.6
DPA1
BA1
0.7 DPA0
BA0
3.2
VDD1
W203
5.1
BUFXG
0
0 R2052
DIGI
0
/PDAK
5.1
VDD2
2.6
PDCK
3.3
/PDRQ
5.1
/PSYC
5.1
PD8
0.9
PD7
0.9
PD6
0.9

DSP

PD5
0
VSS1
IC2001
0.9
PD4
OEC6068A
0.9
PD3
0.9
PD2
0.9
PD1
0
VSS2
0.9
PD0
3.2
VDD1
2.7
VMCK NC
2.6
SMCK NC
0.1
NC NC
0.2
NC NC
5.1
VDD2
2.5 HD7
MD7
2.2 HD6
MD6
2.2
HD5
MD5
2.2
HD4
MD4
2.3
46 MD0 HD3
MD3
45 /MDNT 2.0 HD2
MD2
2.6 HD1
MD1
1.9
HD0
5.1
R2050 4.7K
30 31 32 33 34 35 36 37 38 39 40 41 42 43 44
D E
F G
R2006 1K
0.6 0.6 0.6 0.6 0
27 26 25 24 23
18 19 20 21 22
0.6 0.6 0.6 0.6 5.1 C2049
10P CH
C2048
0.1 F
FRO/TO AUDIO/VIDEO
D_GND
GND
VDD+5V
VDD+3.3V
A_GND
GND
SCLK2
52
C2047
1 F
(21-25)
C2046
0.1 F
10K
FROM/TO MPEG
DVDSTB
DVDVALID
DVDSOS
DVDERR
DVDDAT7
DVDDAT6
DVDDAT5
DVDDAT4
DVDDAT3
DVDDAT2
DVDDAT1
DVDDAT0
C2050
FROM/TO DVD SYSCON
0.1 F
C2051
HD7
0.1 F HD6
HD5
HD4
HD3
HD2
HD1
HD0
MWR
MRD
DNT
DISKWDI
FCSEAR
SVCEX
HA8
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
PCB130
VMA249
F G
H
8
7
6
5
4
3
2
1
H
H-4