Service manual

Schematic Diagrams
VN896-2 B - 7
B.Schematic Diagrams
VN896-2
Sheet 6 of 41
VN896-2
MD_54
MD_38
C159 5P_50V_06
MD_19
MEMD ET
MD_9
M_DQS+5
MD_28
C157 5P_50V_06
C149 5P_50V_06
MAA13
M_ WE # 9 , 10
MD_5
1: DDR2
MD_40
C279
1000P_50V_06
M_DQS-0
M_DM0
MD_[63:0]
C144 5P_50V_06
MAA7
C164 5P_50V_06
MD_37
M_CS0#
MD_25
M_DM4
MD_50
BGA5B
P4M900
AF35
AG34
AJ36
AK35
AF34
AG35
AJ34
AK34
AG32
AF32
AH30
AJ31
AF31
AH32
AH31
AJ32
AK33
AL36
AP35
AL34
AL35
AM35
AT36
AM34
AK24
AL23
AM24
AJ22
AK23
AN24
AM23
AM22
AK20
AK19
AM19
AR18
AL20
AM20
AL18
AM18
AR17
AT16
AN16
AN15
AM17
AP17
AM16
AM15
AN22
AN21
AP19
AT18
AT21
AR21
AT19
AR19
AR14
AM14
AP13
AR11
AP14
AN14
AT12
AP12
AB34
AB36
AH36
AF30
AN36
AN23
AN20
AT15
AP21
AT13
AT27
AP27
AT24
AP26
AH35
AH34
AP36
AP23
AC24 AD17 AD19 AD21 AT35 AJ28 AK25 AK27 AK29 AL26 AL28 AL30 AM25 AM29 AM31 AN26 AN27 AN31 AN33
AG29
AJ18
AP30 AR26 AA24 AB24 AR33
AN18
AR15
AR20
AR13
AM27 AT25 AT28 AT31
AR30
AR29
AT30
AN30
AP31
AR31
AT32
AP32
AN32
AN29
AR32
AT33
AR25
AR28
AN28
AR27
AP28
AT34
AP34
AR34
AN34
AP29
AT29
AM33
AF36
AB35
AT26
AP25
AR24
AN25
E7 E34 E36 F1 F2 F4 F5 F6 F7 F10 F14 F23 F26 F27 F29 F30 F32 G1 G2 G4 G7 G11 G29 H2 H4 H7 H23 H24 H27 H31 H36 J2 J4 J5 J6 J7 E9 F24 H33
AJ35
AH33
AR36
AR22
AP18
AP15
AP20
AR12
AD23 AD24 AJ26
AP33
AD22 AD20 AD16 AD18
MD00
MD01
MD02
MD03
MD04
MD05
MD06
MD07
MD08
MD09
MD10
MD11
MD12
MD13
MD14
MD15
MD16
MD17
MD18
MD19
MD20
MD21
MD22
MD23
MD24
MD25
MD26
MD27
MD28
MD29
MD30
MD31
MD32
MD33
MD34
MD35
MD36
MD37
MD38
MD39
MD40
MD41
MD42
MD43
MD44
MD45
MD46
MD47
MD48
MD49
MD50
MD51
MD52
MD53
MD54
MD55
MD56
MD57
MD58
MD59
MD60
MD61
MD62
MD63
MCLKI
MCLKO-
DQM0#
DQM1#
DQM2#
DQM3#
DQM4#
DQM5#
DQM6#
DQM7#
CS0#
CS1#
CS2#
CS3#
DQS0-
DQS1-
DQS2-
DQS3-
VCCMEM VCCMEM VCCMEM VCCMEM VCCMEM VCCMEM VCCMEM VCCMEM VCCMEM VCCMEM VCCMEM VCCMEM VCCMEM VCCMEM VCCMEM VCCMEM VCCMEM VCCMEM VCCMEM
ME MVR EF 0
ME MVR EF 1
VCCMEM VCCMEM VCCMEM VCCMEM VCCMEM
DQS4-
DQS5-
DQS6-
DQS7-
VCCMEM VCCMEM VCCMEM VCCMEM
MA01
MA02
MA03
MA04
MA05
MA06
MA07
MA08
MA09
MA10
MA11
MA12
MA13
BA0
SRAS#
SCAS#
SWE#
CKE0
CKE1
CKE2
CKE3
BA1
MA00
DMCOMP
ME MD E T
MCL KO+
ODT0
ODT1
ODT2
ODT3
GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND
DQS0+
DQS1+
DQS2+
DQS3+
DQS4+
DQS5+
DQS6+
DQS7+
VCCMEM VCCMEM VCCMEM
BA2
VCCMEM VCCMEM VCCMEM VCCMEM
M_ BA 1 9 ,1 0
M_ODT2 9,10
MD_[63:0]9,10
M_DQS+3
Z0601
M_CS1#
M_BA1
C175
.1U_50V_06
MAA9
MAA3
MAA9
C160 5P_50V_06
MD_35
MD_29
MD_62
M_DQS+[0..7] 9,10
M_DM7
C205
.1U_50V_06
MD_49
MAA13
MD_27
R493 *4.7K_04
MAA4
C267
.1U_50V_06
C262
.1U _50V_06
M_ OD T0 10
MD_13
MD_44
M_CS1# 10
C233
.1U_50V_06
C266
.1U_50V_06
C161 5P_50V_06
C147 5P_50V_06
MAA11
M_DQS+[0..7]
C151 5P_50V_06
C143 5P_50V_06
R494 301_1%_04
M_DM5
M_DM2
MCLKIT
R173
150_1%_06
MVREF_NB
M_CAS#
MD_12
C146 5P_50V_06
MAA1
R492 4.7K_04
C295
.1U_50V_06
MCLKIT = DCLKx + 2 "
MD_14
C174
.1U_50V_06
MAA[0:13]
MD_56
C150 5P_50V_06
1.8V
MAA6
MD_39
M_DQS+7
MAA10
M_CS3#
MD_32
MD_60
M_DQS-4
MD_11
MCLKO+/- as short as passable
1.8V
MD_34
MAA5
C162 5P_50V_06
1.8V
MD_18
MD_17
MAA[0:13] 9,10
MAA2
C282
.1U_50V_06
MAA1
MD_33
MD_0
MD_52
M_ODT3 9,10
C200
.1U_50V_06
0: DDR1
M_DQS-[0..7] 9,10
M_DQS-7
MCLKOC 2
MD_36
C145 5P_50V_06
M_CKE3 9,10
M_DM[0..7]9,10
M_CAS# 9,10
M_CKE1 10
M_DQS+4
M_RAS#
M_ BA 2 9 ,1 0
MD_22
*
M_CS3# 9,10
MAA12
MAA11
M_CAS#
MD_6
MD_16
MAA0
M_RAS#
MD_23
MD_42
MC LK I T 2
M_BA1
M_BA2
MD_55
MD_57
C287
1U_10V_06
M_CKE0 10
M_CKE2 9,10
M_CLKO-
M_BA0
C277
1U_10V_06
MEMDET SEL:
MD_43
MD_61
M_DM[0..7]
MD_10
MD_41
MD_1
C152 5P_50V_06
R490 22_04
M_CS2#
MAA12
C255
.1U_50V_06
C259
.1U_50V_06
M_DQS-5
M_DQS-6
MD_3
MAA4
MD_8
M_WE#
M_DQS+1
M_DM3
MD_45
M_DQS-1
M_DQS+6
M_DQS-2
MD_46
MAA8
MAA7
MD_2
MD_20
C148 5P_50V_06
C227
1000P_50V_06
MD_30
C280
1000P_50V_06
1.8V
MD_31
MD_48
MD_53
MD_24
MAA3
MD_59
MAA2
M_DQS+0
MAA8
MD_7
MCLKOT 2
M_DQS-3
M_RAS# 9,10
MD_21
MD_4
C163 5P_50V_06
MAA0
M_CLKO+
MEMD ET
R491 22_04
M_DM1
MD_63
R176
150_1%_06
M_DQS-[0..7]
M_ BA 0 9 ,1 0
M_ OD T1 10
1.8V
M_CS0# 10
MD_26
C142 5P_50V_06
M_BA2
MD_51
M_WE#
MAA5
MD_47
C221
1000P_50V_06
C234
.1U_50V_06
MAA10
M_DQS+2
M_CS2# 9,10
MAA6
MVREF_N B
C630 5P_50V_06
C158 5P_50V_06
MD_15
MD_58
M_BA0
M_DM6