Memory - Toshiba MD20FM1CR Service Manual

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

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