Toshiba SD-V280UA Service Manual page 106

A B
8
7
FROM/TO SYSCON1
FLASHCS
RD MD15
HWRH
HD8
HD9 MD14
HD10
HD11
HD12
HD13
HD14
HD15 MD13
HD7
6
HD6
HD5 MD12
HD4
HD3
HD2
HD1
HD0
HA19 MD11
HA18
HA17
HA16 MD10
HA15
HA14
HA13
HA12
HA11
HA10 MD9
HA9
5
HA8
HA7 MD8
HA6
HA5
C4018
HA4
HA3
0.1 F
HA2
HA1
AT+3.3V
D
GND
MDQM
5
MPCLK
FROM/TO MPEG
MA4
MA3
MA5
4
MA2
MA6
MA1
MA9
MA7
MA0
MA8
MA8
MA10
MA9
MA11
MA7
MCS0#
MRAS#
MPCLK
MA6
MCAS#
MWE#
MDQM
MA5
MD8
MD7
MD9
3 MA4
MD6
MD10
MD5
MD11
MD4
MD12
MD3
MD13
MD2
B4003
MD14
MD1 FCM2012H-102T04
MD15
MD0
B4002
FCM2012H-102T04
2
1
A B
H-3
C D
MEMORY SCHEMATIC DIAGRAM
S-DRAM
IC4002 MSM56V16160F-8
HA17
0 3.2
VSS VCC
0 0.5
MD0
I/O15 I/O0
0.9 0.5
MD1
I/O14 I/O1
HD15
0 0
VSSQ VSSQ
HD7
1.2 1.0
MD2
I/O13 I/O2
HD14
1.2 0.8
MD3
I/O12 I/O3
HD6
3.2 3.2
VCCQ VCCQ
HD13
0.9 0.8
MD4
I/O11 I/O4
HD5
0.9 0.8
MD5
I/O10 I/O5
HD12
0
0
VSSQ VSSQ
HD4
0.9 0.4
MD6
I/O9 I/O6
0.9 0.7
MD7
I/O8 I/O7
HD11
3.2 3.2
VCCQ VCCQ
HD3
0
0
MDQM
NC NC DQML
HD10
3.3
0 3.1
MWE#
DQMU WE
HD2
1.5 3.1
MCAS#
CLK CAS
HD9
3.2 3.0
MRAS#
CKE RAS
HD1
0.1
2.9
MCS0#
NC NC CS
HD8
0.3 0.6
MA11
A9 A11
HD0
0.2 2.2
MA10
A8 A10
RD
0.6 0.6
MA0
A7 A0
0.6 0.5
MA1
A6 A1
FLASHCS
0.6 0.5
MA2
A5 A2
HA1
0.9 0.5
MA3
A4 A3
0 3.2
VSS VCC
C4019
0.1 F
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C D
E
(DVD PCB)
FLASH
IC4005 SST39VF800A-70-4C-EK 8M
0.6 0.5
HA16
A16 A15
R4030
3.2 0.5
HA15
NC A14
1K
0 0.5
HA14
VSS A13
1.6 0.5
HA13
DQ15 A12
2.0 0.4
HA12
DQ7 A11
0.6 0.5
HA11
DQ14 A10
0.9 0.6
HA10
DQ6 A9
0.6 2.9
HA9
DQ13 A8
0
0.6
DQ5 NC NC
0
0.7
DQ12 NC NC
1.5 3.2
HWRH
DQ4 WE#
3.2 0
VDD NC
NC
1.1 0
DQ11 NC NC
1.1 0
DQ3 NC NC
1.1 0
DQ10 NC NC
1.3 0
HA19
DQ2 NC
0.6 0.3
HA18
DQ9 A18
1.3 2.8
HA8
DQ1 A17
1.4 2.8
HA7
DQ8 A7
1.5 2.8
HA6
DQ0 A6
1.1 0.4
HA5
DE# A5
C4040
0 2.4
HA4
VSS A4
0.1 F
0 1.2
HA3
CE# A2
1.6 1.2
HA2
A0 A1
E
F G
PCB130
NOTE:THE DC VOLTAGE EACH PART WAS
VMB261
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
F G
H
8
7
6
5
4
3
2
1
H
H-4