Toshiba SD-V280 Service Manual page 128

A B
8
EEPROM
IC1002 S-24C01BFJ-TB
0 5.1
A0 VCC
FRO/TO DSP 0.1
0
A1
7 TEST
HD7
0 5.1
HD6
A2 SCL
HD5
HD4
5.1
0
HD3 A3
SDA
HD2
HD1
HD0
DISKWDI
FCSEAR
SVCEX
MRD
MWR
DNT
HA8
6
FROM/TO MPEG
HD15
HD14
HD13
HD12
HD11
HD10
HD9
HD8
MPGIRQ#
HD7
HD6
HD5
HD4
R1005 10K
DMFG
HD3
HD2
5 HD1
HD0
HA4 R1006 100
HA3 NC
HA2
HA1
MWR
MPGCS#
MRD
MPGIRQ#
I45RSTX
V_SYNC
GND
R1009 100
FROM/TO MEMORY
NC
R1010 100
NC
LCAS
R1011 100
4
UCAS
NC
OE
RAS
WE
FLASHCS
MRD
MWR
HD8
HD9
HD10
HD11
HD12
HD13
HD14
HD15
HD7
HD6
HD5
3 HD4
HD3
HD2
HD1
HD0
HA19
HA18
HA17
HA16
HA15
HA14
HA13
HA12
HA11
HA10
HA9
HA8
HA7
HA6
2
HA5
HA4
HA3
HA2
HA1
1
A B
H-11
C D
DVD SYSCON SCHEMATIC DIAGRAM
5.1 5.1
5 4
1 2 3
5.1 5.1 0
R1026 100
R1027 100
R1025
144 143 142 141 140 139 138 137 136 135 134 133 132 131 130 129 128 127 126 125 124
4.7K
5.1
DAREFH
0
DAREFL
0
NC DAOUT0
143 DAVSS
0
NC DAOUT1
5.1 144 DAVCC
DVCC
5.1
PROMCK
5.1
PROMDA
0.1
WP
5.1
I45INTX
0
NC NC
0
NC NC
3.0
DMFG
0
NC NC
0
DVSS
MICON
5.1
CTS
IC1001
5.1
TBFINTX
3.2
TMP94CS251AF OEC6069A
DISKWOI
5.1
NC
NC
5.1
SVINTX
5.1
DSTBX
R1030 5.1 1K
SO2
DSPSO
R1031 1K
SI2 5.1
DSPSI
5.1
DSPCK
5.1
TXD
5.1
RXD
0
RTS
5.1
DVCC
R1028 10K 5.1
VSYNC
R1029 10K
5.1
WAITX
5.1
AM0
2.5
CLK
NC
0
TEST0
0
35 NC
VSYNC TEST1
0
CLVSS 36 CLVCC
1.8
NC
5.1
37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72
R1099
4.7K
W103 0
RSTOX
71
RSTOX1
1 3
2
5.1
5.1
0 D1/ASP_CONTROL
Q1003
5.1
DTA114EKA
D1/ASP_COTROL
Q1004
0
DTA114EKA
C D
E F
(DVD PCB)
NC
123 122 121 120 119 118 117 116 115 114 113 112 111 110 109
3.0
A7
0 NR1006
DVSS
2.4 CAY16-101-J-4R
109 A6 HA8
A8
2.3 HA9
A9
2.5 HA10
A10
2.3
HA11
A11
2.3 NR1007
HA12
A12
2.1 HA13
A13
3.1
HA14
A14
2.5
HA15
A15
CAY16-101-J-4R
5.1
DVCC
NR1008
1.9 HA16
A16
1.7
HA17
A17
1.2
HA18
A18
1.4
HA19
A19
CAY16-101-J-4R
4.7
A20 NC
4.7
A21 NC
5.1
NC NC
5.1
NC NC
0
DVSS
5.1
DVCC
0 NR1009
DVSS
CAY16-101-J-4R
2.6 HD15
D15
2.8
HD14
D14
2.1
HD13
D13
2.1 HD12
D12
NR1010
2.2
HD11
D11
2.0
HD10
D10
2.5 HD9
D9
1.6
HD8
D8
CAY16-101-J-4R
5.1
DVCC
2.5 NR1011
HD7
D7
2.8 HD6
D6
73 D3
2.2 HD5
D5
2.2
HD4
D4
CAY16-101-J-4R
2.3
5.1
8
1
5.1
V_SYNC
NOTE:THE DC VOLTAGE EACH PART WAS NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
E F
G
C1025
16V 100 KA
C1027
16V 100 KA
C1028
0.1 F
FROM/TO READ CHANEL
RSTOX1
PUDET2
LSRDVD
W102 LVL
DMFG
0
LDMN
LDMP
RESET
TOPN
TCLS
LMT
PUDET1
VDD+5V_A
M+8V
C1019
M_GND
0.0022 B
C1020
16V 100
KA
C1021
0.1 F
C1022
16V 100
R1095
KA
22K
C1018
0.1 F
RSTX
FRO/TO AUDIO/VIDEO
5.0 5.1 5.1
7 6 5
M+8V
M_GND
VDD+3.3V
VDD+5V
VDD+5V_A
RSTOX
2 3 4
SI2
3.2 5.1 0
SO2
DACSOX
DACDATA
DACCLK
RGBON
VSYNC
RSTX
AT+5V
GND
CAUTION: DIGITAL TRANSISTOR
C1030
PCB130
0.1 F VMA249
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
G
H
8
7
6
5
4
3
2
1
H
H-12