Memorex MVDT2002SM Service Manual page 60

Color television/video cassette recorder/ dvd video player
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A
B
8
FROM/TO MPEG/MICON/DSP
SD_A0
SD_A1
SD_A2
SD_A3
SD_A4
7
SD_A5
SD_A6
SD_A7
SD_A8
SD_A9
SD_A10
SD_D0
SD_D1
SD_D2
SD_D3
SD_D4
SD_D5
SD_D6
SD_D7
SD_D8
SD_D9
SD_D10
6
SD_D11
SD_D12
SD_D13
SD_D14
SD_D15
RAMCS0#
RAMCS1#
RAMRAS#
RAMCAS#
SD_BA0
RAMDQM
RAMWE#
RAMCLK
HA0
HA1
HA2
5
HA3
HA4
HA5
HA6
HA7
HA8
HA9
HA10
HA11
HA12
HA13
HA14
HA15
HA16
HA17
HA18
HA19
HD0
4
HD1
HD2
HD3
HD4
HD5
HD6
HD7
HD8
HD9
HD10
FLASHCS
HD11
HD12
HD13
HD14
HD15
MEMCS0
MMZ1608R102CT
RD
WR
3
B4008
MMZ1608R102CT
P.CON+3.3V
D_GND
FROM AUDIO/VIDEO
DEBUG MODE
RESET
2
MEMCS0
1
A
B
G-3
C
FLASH IC 8M
IC4007
SST39VF800A-70-4C-EKE
1.2
1.7
HA16
A16
A15
C4064
3.3
1.0
VCCQ
A14
0.1 F
0
0.8
GND
A13
0.7
1.5
HD15
DQ15
A12
1.9
2.5
HD7
DQ7
A11
1.3
1.3
HD14
DQ14
A10
1.2
1.6
HD6
DQ6
A9
0.6
1.5
HD13
DQ13
A8
0
0.7
W837
HD5
DQ5
A19
0
0.8
HD12
DQ12
A20
NC
1.6
3.3
HD4
DQ4
WE#
C4062
0
3.3
RESET
VCC
RP#
0.1 F
0.1
C4039
1.6
HD11
DQ11
VPP
0.1 F
0.1
R4041
1.6
HD3
DQ3
WP#
4.7K
0
1.3
W838
HD10
HA19
DQ10
A19
1.2
1.6
HD2
HA18
DQ2
A18
1.4
0.7
HD9
HA17
DQ9
A17
1.4
1.4
HD1
DQ1
A7
0.9
1.6
HD8
DQ8
A6
1.6
1.6
HD0
DQ0
A5
2.6
1.3
RD
OE#
A4
0
1.7
GND
A3
2.6
2.5
CE#
A2
2.5
1.6
HA0
A0
A1
B4007
NC
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D
E
MEMORY SCHEMATIC DIAGRAM
(DVD PCB)
16M SDRAM IC
IC4008
K4S161622H-UC60
C4060
VSS
VDD
0.1 F
HA15
SD_D15
SD_D0
DQ15
DQ0
HA14
SD_D14
SD_D1
DQ14
DQ1
HA13
VSSQ
VSSQ
HA12
SD_D13
SD_D2
DQ13
DQ2
HA11
SD_D12
SD_D3
DQ12
DQ3
C4059
C4061
HA10
VDDQ
VDDQ
0.1 F
0.1 F
HA9
SD_D11
SD_D4
DQ11
DQ4
HA8
SD_D10
SD_D5
DQ10
DQ5
HA19
VSSQ
VSSQ
SD_D9
SD_D6
DQ9
DQ6
WR
SD_D8
SD_D7
DQ8
DQ7
C4058
C4074
VDDQ
VDDQ
0.1 F
0.1 F
RAMDQM
NC
NC
LDQM
RAMDQM
RAMWE#
UDQM
/WE
RAMCLK2
RAMCAS#
CLK
/CAS
5
R4057
RAMRAS#
CKE
/RAS
47K
RAMCKE
RAMCS0#
NC
NC
/CS
HA7
SD_A9
SD_BA0
A9
BA
HA6
SD_A8
SD_A10
A8
A10/AP
HA5
SD_A7
SD_A0
A7
A0
HA4
SD_A6
SD_A1
A6
A1
HA3
SD_A5
SD_A2
A5
A2
HA2
SD_A4
SD_A3
A4
A3
HA1
C4087
VSS
VDD
0.1 F
D
E
F
G
16M SDRAM IC
IC4009
K4S161622H-UC60
C4050_1
VSS
VDD
0.1 F
SD_D15
SD_D0
DQ15
DQ0
SD_D14
SD_D1
DQ14
DQ1
VSSQ
VSSQ
SD_D13
SD_D2
DQ13
DQ2
SD_D12
SD_D3
DQ12
DQ3
C4040_1
C4045_1
VDDQ
VDDQ
0.1 F
0.1 F
SD_D11
SD_D4
DQ11
DQ4
SD_D10
SD_D5
DQ10
DQ5
VSSQ
VSSQ
SD_D9
SD_D6
DQ9
DQ6
SD_D8
SD_D7
DQ8
DQ7
C4041_1
C4046_1
VDDQ
VDDQ
0.1 F
0.1 F
NC
RAMDQM
NC
LDQM
RAMDQM
RAMWE#
UDQM
/WE
RAMCLK
RAMCAS#
CLK
/CAS
R4048_1
RAMCLK2
RAMRAS#
CKE
/RAS
RAMCKE
47K
NC
RAMCS1#
NC
/CS
SD_A9
SD_BA0
A9
BA
SD_A8
SD_A10
A8
A10/AP
SD_A7
SD_A0
A7
A0
SD_A6
SD_A1
A6
A1
SD_A5
SD_A2
A5
A2
SD_A4
SD_A3
A4
A3
C4047_1
VSS
VDD
0.1 F
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
F
G
H
8
7
6
5
4
3
2
PCB130
VMD348
1
H
G-4

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