Pioneer DV-400V-S Service Manual page 51

5
QQ
3 7 63 1515 0
SCHEMATIC DIAGRAM
DVD MT PCB)
DQ15
DQ14
DQ13
C4101
0.1 B
DQ12
DQ11
DQ10
DQ9
C4102
TE
L 13942296513
0.1 B
DQ8
DQM1
SDCLK
SDCKE
MA11
MA9
MA8
MA7
MA6
MA5
MA4
www
.
NOTE:THE DC VOLTAGE EACH PART WAS
ME
MEASURED WITH THE DIGITAL TESTER
OTICE
DURING PLAYBACK.
5
http://www.xiaoyu163.com
6
÷ 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.
64Mbit(4M*16) 166MHz SDRAM IC
IC4005 HY57V641620ETP-6-C
0.0 3.3
VSS VDD
1.5 1.5
DQ0
DQ15
0.0 3.3
VSSQ VDDQ
1.5 1.5
DQ14 DQ1
1.5 1.5
DQ2
DQ13
3.3 0.0
VDDQ VSSQ
1.5 1.5
DQ12 DQ3
1.5 1.5
DQ11 DQ4
0.0 3.3
VSSQ VDDQ
1.5 1.5
DQ10 DQ5
1.5 1.5
DQ9 DQ6
3.3 0.0
VDDQ VSSQ
1.5 1.5
DQ8 DQ7
0.0 3.3
VSS VDD
2.0
NC NC/RFU LDQM
1.9 3.3
UDQM WE#
1.7 3.3
CLK CAS#
1.9 3.3
CKE RAS#
3.3
NC NC CS#
1.7 3.3
A11
BA0/A13
1.7 1.0
A9 BA1/A12
1.7 0.0
A8 A10/AP
1.7 1.7
A7 A0
1.7 1.7
A6 A1
1.7 1.7
A5 A2
1.7 1.7
A4 A3
0.0 3.3
VSS VDD
x ao u163
y
i
6
http://www.xiaoyu163.com
2 9
8
C4052
0.1 B
DQ7
DQ6
DQ5
DQ4
DQ3
DQ2
DQ1
Q Q
3 6 7 1 3
DQ0
DQM0
DWE#
DCAS#
DRAS#
DCS#
DBA0
DBA1
MA10
MA0
MA1
MA2
MA3
C4123
0.1 B
TP4050
.
DV-400V-S
7
9 4 2 8
1 5 0 5 8 2 9 9 4
m
co
7
8
9 9
A
B
C
2 8 9 9
D
E
F
PCB130
DMF090
51
8