Memorex MVDT2002SM Service Manual page 170

A B
8
FROM/TO MPEG/MICON/DSP
7
SD_A0
SD_A1
SD_A2
SD_A3
SD_A4
SD_A5
SD_A6
SD_A7
SD_A8
SD_A9
SD_A10
SD_D0
SD_D1
SD_D2
SD_D3
SD_D4
6 SD_D5
SD_D6
SD_D7
SD_D8
SD_D9
SD_D10
SD_D11
SD_D12
SD_D13
SD_D14
SD_D15
RAMCS0#
RAMRAS#
RAMCAS#
SD_BA0
RAMDQM
RAMWE#
RAMCLK
5
HA0
HA1
HA2
HA3
HA4
HA5
HA6
HA7
HA8
HA9
HA10
HA11
HA12
HA13
HA14
HA15
HA16
4
HA17
HA18
HA19
HD0
HD1
HD2
HD3
HD4
HD5
HD6
HD7
HD8
HD9
HD10
HD11
HD12
HD13
HD14
3
HD15
MEMCS0
P.CON+3.3V
GND
2
FROM AUDIO/VIDEO
RESET
1
A B
G-3
C
MEMORY SCHEMATIC DIAGRAM
FLASH IC 8M
IC4007 SST39VF1601-70-4C-EKE
1.2
HA16
A16
C4064
3.3
VCCQ
0.1 F
0
GND
0.7
HD15
DQ15
1.9
HD7
DQ7
1.3
HD14
DQ14
1.2
HD6
DQ6
0.6
HD13
DQ13
0.7
HD5
DQ5
0.8
HD12
DQ12
1.6
HD4
DQ4
C4062
3.3
VCC
0.1 F
1.6
HD11
DQ11
1.6
HD3
DQ3
1.3
HD10
DQ10
1.2
HD2
DQ2
1.4
HD9
DQ9
1.4
HD1
DQ1
0.9
HD8
DQ8
1.6
HD0
DQ0
2.6
RD
OE#
0
GND
2.6
FLASHCS
CE#
2.5
HA0
A0
B4007
MMZ1608R102CT
RD
WR
B4008
MMZ1608R102CT
MEMCS0
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
(DVD PCB)
1.7
HA15
A15
1.0
HA14
A14
0.8
HA13
A13
1.5
HA12
A12
2.5
HA11
A11
1.3
HA10
A10
1.6
HA9
A9
1.5
HA8
A8
0
(W837) HA19
A19
0
A20 NC
3.3
WR
WE#
0
RESET
RP#
0.1
C4039
VPP
0.1 F
0.1
R4041
WP#
4.7K
0
HA19
A19
(W838)
1.6
HA18
A18
0.7
HA17
A17
1.4
HA7
A7
1.6
HA6
A6
1.6
HA5
A5
1.3
HA4
A4
1.7
HA3
A3
2.5
HA2
A2
1.6
HA1
A1
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
D E
F G
16M SDRAM IC
IC4009 M12L16161A-7TG
C4050
0 3.3
VSS VDD
0.1 F
SD_D15 3.3 3.3 SD_D0
DQ15 DQ0
SD_D14 3.3 3.3 SD_D1
DQ14 DQ1
3.3 3.3
VSSQ VSSQ
SD_D13 3.3 3.3 SD_D2
DQ13 DQ2
C4109
SD_D12 0.1 F 3.3 3.3 SD_D3
DQ12 DQ3
C4040 C4045
3.3 3.3
VDDQ VDDQ
0.1 F 0.1 F
SD_D11 3.3 3.3 SD_D4
DQ11 DQ4
SD_D10 3.3 3.3 SD_D5
DQ10 DQ5
3.3 0
VSSQ VSSQ
SD_D9 3.3 3.3 SD_D6
DQ9 DQ6
SD_D8 3.3 3.3 SD_D7
DQ8 DQ7
C4041 C4046
3.3 3.3
VDDQ VDDQ
0.1 F 0.1 F
0
NC 3.3 RAMDQM
NC LDQM
RAMDQM 3.3 3.3 RAMWE#
UDQM /WE
2.3 3.3
RAMCLK RAMCAS#
CLK /CAS
3.3
5
R4048
3.3 RAMRAS#
CKE /RAS
47K
0
NC 3.3 RAMCS0#
NC /CS
SD_A9 3.3 3.3 SD_BA0
A9 BA
SD_A8 3.3 3.3 SD_A10
A8 A10/AP
SD_A7 3.3 3.3 SD_A0
A7 A0
SD_A6 3.3 3.3 SD_A1
A6 A1
SD_A5 3.3 3.3 SD_A2
A5 A2
SD_A4 3.3 3.3 SD_A3
A4 A3
C4047
0 3.3
VSS VDD
0.1 F
F G
H
8
7
6
5
4
3
2
PCB130
DME060
1
H
G-4