Pioneer DV-300-K Service Manual page 49

5
DQ15
A16
A15
DQ14
A14
DQ13
A13
A12
DQ12
A11
DQ11
A10
A9
DQ10
A20
DQ9
40
PWR#
DQ8
DQM1
SDCLK
A19
SDCKE
A18
A8
MA11
A7
MA9
A6
MA8
A5
MA7
A4
MA6
A3
MA5
A2
MA4
5
6
64Mbit(4M*16) 143MHz SDRAM IC
IC4005 HY57V641620ETP-7-C
0.0
VSS
1.5
DQ15
0.0
VSSQ
1.5
DQ14
1.5
DQ13
C4048
3.3
VDDQ
0.1 B
1.5
DQ12
1.5
DQ11
0.0
VSSQ
1.5
DQ10
1.5
DQ9
C4049
3.3
VDDQ
0.1 B
1.5
DQ8
0.0
VSS
NC NC/RFU
1.9
UDQM
1.7
CLK
1.9
CKE
NC NC
1.7
A11
1.7
A9
1.7
A8
1.7
A7
1.7
A6
1.7
A5
1.7
A4
0.0
VSS
÷ When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or
"PCB PARTS LIST".
÷ The > mark found on some component parts indicates the importance of the safety factor
of the part. Therefore, when replacing, be sure to use parts of identical designation.
÷
: The power supply is shown with the marked box.
6
7
C4052
3.3
VDD
0.1 B
1.5 DQ0
DQ0
3.3
VDDQ
1.5
DQ1
DQ1
1.5 DQ2
DQ2
0.0
VSSQ
1.5 DQ3
DQ3
1.5 DQ4
DQ4
3.3
VDDQ
1.5
DQ5
DQ5
1.5 DQ6
DQ6
0.0
VSSQ
1.5 DQ7
DQ7
3.3
VDD
2.0
DQM0
LDQM
3.3 DWE#
WE#
3.3 DCAS#
CAS#
3.3 DRAS#
RAS#
3.3 DCS#
CS#
3.3 DBA0
BA0/A13
1.0
DBA1
BA1/A12
0.0 MA10
A10/AP
1.7 MA0
A0
1.7 MA1
A1
1.7 MA2
A2
1.7
MA3
A3
C4055
3.3
VDD
0.1 B
TP4001
DV-300-K
7
8
A
B
C
D
E
PCB130
DMF089
F
49
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