Pioneer DV-500K-S, Service Manual

Page: 51 / 74

DV-500K-S
51
5 6 7 8
5 6
7
8
C
D
F
A
B
E
IC4005 HY57V641620ETP-7-C
64Mbit(4M*16) 143MHz SDRAM IC
1
10
11
12
13
14
15
16
17
18
19
2
20
21
22
23
24
25
26
27 28
29
3
30
31
32
33
34
35
36
37
38
39
4
40
41
42
43
44
45
46
47
48
49
5
50
51
52
53
54
6
7
8
9
C4051
0.1
B
C4055
0.1 B
C4052
0.1 B
C4049
0.1 B
C4048
0.1 B
C4050
1000
6.3V
YK_P
TP4001
DURING PLAYBACK.
MEASURED WITH THE DIGITAL TESTER
NOTE:THE DC VOLTAGE EACH PART WAS
DQ15 DQ0
6
5
DQ14 DQ1
4
DQ13 DQ2
3
2
DQ12 DQ3
1
DQ11 DQ4
0
9
DQ10 DQ5
0
DQ9 DQ6
WR#
DQ8 DQ7
DQM0
DQM1 DWE#
SDCLK DCAS#
9
SDCKE DRAS#
8
DCS#
8
MA11 DBA0
7
MA9 DBA1
6
MA8 MA10
5
MA7 MA0
4
MA6 MA1
3
MA5 MA2
2
MA4 MA3
PCB130
DMF089
VSS
DQ0
DQ1
DQ2
DQ15
VSSQ
DQ12
DQ11
VSSQ
DQ3
DQ4
VDDQ
DQ5
DQ6
VSSQ
DQ7
VSSQ
DQ10
DQ9
VDDQ
DQ8
LDQM
VSS
UDQM
CLK
CKE
NC
A9
A11
A10/AP
A0
A2
A1
A3
VDD VSS
A4
A5
A6
A7
A8
NC/RFU NC
NC
3.3
1.5
3.3
1.5
1.5
0.0
1.5
1.5
3.3
1.5
1.5
0.0
1.5
3.3
2.0
3.3
3.3
3.3
3.3
3.3
1.0
0.0
1.7
1.7
1.7
1.7
3.3 0.0
1.7
1.7
1.7
1.7
1.7
1.7
1.7
1.9
1.7
1.9
0.0
1.5
3.3
1.5
1.5
0.0
1.5
1.5
3.3
1.5
1.5
0.0
1.5
0.0
DQ13
VDDQ
DQ14
WE#
CAS#
RAS#
CS#
BA0/A13
BA1/A12
VDD
VDDQ
VDD
÷
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.