Ddr Sdram Section - JVC DR-M10SEF Service Manual

DDR SDRAM section

RA1601
100
RA1602
100
C1637
OPEN
RA1603
C1638
0.1 100
RA1604
100
RA1605
100
RA1606
100
C1639
OPEN
RA1607
C1640
0.1 100
RA1608
100
IC1701
PQ015YZ01Z
K1702
SHORT
R1702
1k
R1701
C1703 270
0.1
C1704 R1707
100 OPEN
/6.3
K1701
SHORT
C1702
100 /6.3
D3.3 V
C1701
0.1
T
C1707 C1708
0.1 47 /6.3
R1703
2.2k
_0.5%
R1704
2.2k
_0.5%
D3.3V
GND
SSTL2_VDD
SDRAM_DQ[0-15]
SDRAM_DQ[0-15]
SDRAM_DQ[16-31]
SDRAM_DQ[16-31]
SDRAM_A[14-17]
SDRAM_A[14-17]
SDRAM_A[0-12]
SDRAM_A[0-12]
SDRAM_CKE
SDRAM_CKE
SDRAM_RAS_L
SDRAM_RAS_L
SDRAM_CAS_L R1645 OPEN
SDRAM_CAS_L
SDRAM_WE_L R1646 OPEN
SDRAM_WE_L
SDRAM_DQM[0] R1647 OPEN
SDRAM_DQM[0]
TO SHEET 4 SDRAM_DQM[1] R1648 OPEN
SDRAM_DQM[1]
SDRAM_DQM[2] R1649 100
SDRAM_DQM[2] C1647
SDRAM_DQM[3] OPEN R1650 100
SDRAM_DQM[3]
SDRAM_DQS[0] R1651 100
SDRAM_DQS[0]
SDRAM_DQS[1] R1652 100
SDRAM_DQS[1] C1648
SDRAM_DQS[2] 0.1 R1609 OPEN
SDRAM_DQS[2]
SDRAM_DQS[3] R1610 OPEN
SDRAM_DQS[3]
SDRAM_CLK[0] R1611 OPEN
SDRAM_CLK[0]
SDRAM_CLK[1] R1612 OPEN
SDRAM_CLK[1]
SDRAM_CLK_L[0]
SDRAM_CLK_L[0]
SDRAM_CLK_L[1]
SDRAM_CLK_L[1]
C1653
GND
OPEN
SDRAM_VREF
C1654
0.1
SDRAM_DQ[0] SDRAM_DQ[0] DDR_DQ[0]
SDRAM_DQ[1] SDRAM_DQ[1] RA1609 DDR_DQ[1]
SDRAM_DQ[2] SDRAM_DQ[2] 22 DDR_DQ[2]
SDRAM_DQ[3] SDRAM_DQ[3] DDR_DQ[3]
SDRAM_DQ[4] SDRAM_DQ[4] DDR_DQ[4]
SDRAM_DQ[5] SDRAM_DQ[5] RA1610 DDR_DQ[5]
SDRAM_DQ[6] SDRAM_DQ[6] 22 DDR_DQ[6]
SDRAM_DQ[7] SDRAM_DQ[7] DDR_DQ[7]
SDRAM_DQ[8] SDRAM_DQ[8] DDR_DQ[8]
SDRAM_DQ[9] SDRAM_DQ[9] RA1611 DDR_DQ[9]
SDRAM_DQ[10] SDRAM_DQ[10] 22 DDR_DQ[10]
SDRAM_DQ[11] SDRAM_DQ[11] DDR_DQ[11]
SDRAM_DQ[12] SDRAM_DQ[12] DDR_DQ[12]
SDRAM_DQ[13] SDRAM_DQ[13] RA1612 DDR_DQ[13]
SDRAM_DQ[14] SDRAM_DQ[14] 22 DDR_DQ[14]
SDRAM_DQ[15] SDRAM_DQ[15] DDR_DQ[15]
SDRAM_DQ[16] SDRAM_DQ[16] DDR_DQ[16]
SDRAM_DQ[17] SDRAM_DQ[17] RA1613 DDR_DQ[17]
SDRAM_DQ[18] SDRAM_DQ[18] 22 DDR_DQ[18]
SDRAM_DQ[19] SDRAM_DQ[19] DDR_DQ[19]
SDRAM_DQ[20] SDRAM_DQ[20] DDR_DQ[20]
SDRAM_DQ[21] SDRAM_DQ[21] RA1614 DDR_DQ[21]
SDRAM_DQ[22] SDRAM_DQ[22] 22 DDR_DQ[22]
SDRAM_DQ[23] SDRAM_DQ[23] DDR_DQ[23]
SDRAM_DQ[24] SDRAM_DQ[24] DDR_DQ[24]
SDRAM_DQ[25] SDRAM_DQ[25] RA1615 DDR_DQ[25]
SDRAM_DQ[26] SDRAM_DQ[26] 22 DDR_DQ[26]
SDRAM_DQ[27] SDRAM_DQ[27] DDR_DQ[27]
SDRAM_DQ[28] SDRAM_DQ[28] DDR_DQ[28]
SDRAM_DQ[29] SDRAM_DQ[29] RA1616 DDR_DQ[29]
SDRAM_DQ[30] SDRAM_DQ[30] 22 DDR_DQ[30]
SDRAM_DQ[31] SDRAM_DQ[31] DDR_DQ[31]
VT T
SDRAM_A[0] DDR_A[0]
SDRAM_A[1] RA1625 DDR_A[1]
SDRAM_A[2] 10 DDR_A[2]
SDRAM_A[3] DDR_A[3]
SDRAM_A[4] DDR_A[4] R1617 27 DDR_DQM[0]
SDRAM_A[5] RA1626 DDR_A[5] R1618 27 DDR_DQM[1]
SDRAM_A[6] 10 DDR_A[6] R1619 100 DDR_DQS[0]
SDRAM_A[7] DDR_A[7] R1620 100 DDR_DQS[1]
SDRAM_A[8] DDR_A[8] R1621 27 DDR_CLK[0]
SDRAM_A[9] RA1627 DDR_A[9] R1622 27 DDR_CLK_L[0]
SDRAM_A[10] 10 DDR_A[10]
SDRAM_A[11] DDR_A[11]
SDRAM_A[12] DDR_A[12]
RA1628
SDRAM_A[14] 10 DDR_BA[0] C1649
OPEN
SDRAM_A[15] DDR_BA[1]
C1650
0.1
SDRAM_A[17] R1642 10 DDR_CS[0]
SDRAM_CKE R1601 10 DDR_CKE
SDRAM_RAS_L R1602 10 DDR_RAS_L
SDRAM_CAS_L R1603 10 DDR_CAS_L
SDRAM_WE_L R1604 10 DDR_WE_L
T OS DDR_A[0]
RA1629 DDR_A[1]
C1710 C1709 47 DDR_A[2]
C1645
47 /6.3 OPEN
OPEN DDR_A[3]
DDR_A[4]
RA1630 DDR_A[5]
C1646
0.1 47 DDR_A[6]
DDR_A[7]
DDR_A[8]
RA1631 DDR_A[9]
47 DDR_A[11]
DDR_A[12]
RA1632 DDR_BA[0]
47 DDR_BA[1]
DDR_A[10]
C1705
OPEN
R1644 47
C1706 R1605 47 DDR_CKE
0.1
R1606 47 DDR_RAS_L
R1607 47 DDR_CAS_L
R1608 47 DDR_WE_L
SDRAM_DQM[0] SDRAM_DQM[0] R1653 0' DDR_DQM[0]
SDRAM_DQM[1] SDRAM_DQM[1] R1654 0' DDR_DQM[1]
SDRAM_DQM[2] SDRAM_DQM[2] R1655 0' DDR_DQM[2]
SDRAM_DQM[3] SDRAM_DQM[3] R1656 0' DDR_DQM[3]
SDRAM_DQS[0] SDRAM_DQS[0] R1657 22 DDR_DQS[0]
SDRAM_DQS[1] SDRAM_DQS[1] R1658 22 DDR_DQS[1]
SDRAM_DQS[2] SDRAM_DQS[2] R1659 22 DDR_DQS[2]
SDRAM_DQS[3] SDRAM_DQS[3] R1660 22 DDR_DQS[3]
SDRAM_CLK[0] SDRAM_CLK[0] R1613 0' DDR_CLK[0]
SDRAM_CLK[1] SDRAM_CLK[1] R1614 0' DDR_CLK[1]
SDRAM_CLK_L[0] SDRAM_CLK_L[0] R1615 0' DDR_CLK_L[0]
SDRAM_CLK_L[1] SDRAM_CLK_L[1] R1616 0' DDR_CLK_L[1]
DDR_DQ[0]
DDR_DQ[1] RA1617
DDR_DQ[2] 100
DDR_DQ[3]
DDR_DQ[4]
DDR_DQ[5] RA1618
DDR_DQ[6] 100
DDR_DQ[7]
DDR_DQ[8]
DDR_DQ[9] RA1619
DDR_DQ[10] 100
DDR_DQ[11]
DDR_DQ[12]
DDR_DQ[13] RA1620
DDR_DQ[14] 100
DDR_DQ[15]
SSTL2_VDD
C1641
OPEN
C1642
0.1
R1623 27 DDR_DQM[2]
R1624 27 DDR_DQM[3]
R1625 100 DDR_DQS[2]
R1626 100 DDR_DQS[3]
R1627 27 DDR_CLK[1]
R1628 27 DDR_CLK_L[1]
C1651
IC1601 IC1601 IC1601 IC1601 IC1601 IC1601 #1
OPEN
DDR_A[0] DDR_DQ[7]
A0 D0
DDR_A[1] DDR_DQ[6]
A1 D1
DDR_A[2] DDR_DQ[5] C1652
A2 D2 0.1
DDR_A[3] DDR_DQ[4]
A3 D3
DDR_A[4] DDR_DQ[3]
A4 D4
DDR_A[5] DDR_DQ[2]
A5 D5
DDR_A[6] DDR_DQ[1]
A6 D6
DDR_A[7] DDR_DQ[0]
A7 D7
DDR_A[8] DDR_DQ[15]
A8 D8
DDR_A[9] DDR_DQ[14]
A9 D9
DDR_A[10] DDR_DQ[13]
A10/AP D1 0
DDR_A[11] DDR_DQ[12]
A11 D1 1
DDR_A[12] DDR_DQ[11]
A12 D1 2
DDR_BA[0] DDR_DQ[10]
BA0 D1 3
DDR_BA[1] DDR_DQ[9]
BA1 D1 4
DDR_DQ[8]
D1 5
CS
DDR_CKE
CKE
DDR_RAS_L
RAS
DDR_CAS_L
CAS
DDR_WE_L
WE
DDR_DQM[0]
LD M NC
DDR_DQM[1]
UDM NC
DDR_DQS[0]
LDQS NC
DDR_DQS[1]
UDQS NC
CL K NC
CL K NC
NC
C1655
VREF
OPEN
VDD GND
C1656
VDD GND
0.1
VDD GND
VDDQ GNDQ
VDDQ GNDQ
VDDQ GNDQ
VDDQ GNDQ
VDDQ GNDQ
C1601
220 /4V
3 9 15 55 61 1 81 33
C1605 C1606 C1607 C1608 C1609 C1610 C1611 C1612
0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
DDR_DQ[16]
DDR_DQ[17] RA1621
DDR_DQ[18] 100
DDR_DQ[19]
DDR_DQ[20]
DDR_DQ[21] RA1622
DDR_DQ[22] 100
DDR_DQ[23]
DDR_DQ[24]
DDR_DQ[25] RA1623
DDR_DQ[26] 100
DDR_DQ[27]
DDR_DQ[28]
DDR_DQ[29] RA1624
DDR_DQ[30] 100
DDR_DQ[31]
C1643
OPEN
C1621 C1622 C1623 C1624 C1625
0.1 0.1 0.1 0.1 0.1
C1644
0.1
IC1602 IC1602 IC1602 IC1602 IC1602 IC1602 #2
DDR_A[0] DDR_DQ[16]
A0 D0
DDR_A[1] DDR_DQ[17]
A1 D1
DDR_A[2] DDR_DQ[18]
A2 D2
DDR_A[3] DDR_DQ[19]
A3 D3
DDR_A[4] DDR_DQ[20]
A4 D4
DDR_A[5] DDR_DQ[21]
A5 D5
DDR_A[6] DDR_DQ[22]
A6 D6
DDR_A[7] DDR_DQ[23]
A7 D7
DDR_A[8] DDR_DQ[24]
A8 D8
DDR_A[9] DDR_DQ[25]
A9 D9
DDR_A[10] DDR_DQ[26]
A10/AP D10
DDR_A[11] DDR_DQ[27]
A11 D11
DDR_A[12] DDR_DQ[28]
A12 D11
DDR_BA[0] DDR_DQ[29]
BA0 D13
DDR_BA[1] DDR_DQ[30]
BA1 D14
DDR_DQ[31]
D15
CS
DDR_CKE
CKE
DDR_RAS_L
RAS
DDR_CAS_L
CAS
DDR_WE_L
WE
DDR_DQM[2]
LDM NC
DDR_DQM[3]
UDM NC
DDR_DQS[2]
LDQS NC
DDR_DQS[3]
UDQS NC
CL K NC
CLK NC
NC
C1657
VREF
OPEN
VDD GND
C1658
VDD GND
0.1
VDD GND
VDDQ GNDQ
VDDQ GNDQ
VDDQ GNDQ
VDDQ GNDQ
VDDQ GNDQ
C1602
220 /4V
3 9 15 55 61 1 81 33
C1613 C1614 C1615 C1616 C1617 C1618 C1619 C1620
0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
SHEET 3
(No.XA020SCH) 2-9