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LG 72LM950V/W Service Manual page 54

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DDR_A[0-13]
DDR_A[0]
DDR_A[1]
DDR_A[2]
DDR_A[3]
DDR_A[4]
DDR_A[5]
DDR_A[6]
DDR_A[7]
DDR_A[8]
DDR_A[9]
DDR_A[10]
DDR_A[11]
DDR_A[12]
DDR_A[13]
Connect A13
for
Using 2Gbit Memory
DDR_BA[0]
DDR_BA[1]
DDR_BA[2]
DDR_CLK
R9401
DDR_CLKN
DDR_CKE
+1.5VQ
DDR_ODT
DDR_RASN
R9400
DDR_CASN
200
DDR_WEN
DDR_RESET_N
DDR_DQS[0]
DDR_DQS_N[0]
DDR_DQS[1]
DDR_DQS_N[1]
DDR_DATA[0-15]
DDR_DM[0]
DDR_DM[1]
DDR_DATA[0]
DDR_DATA[1]
DDR_DATA[2]
DDR_DATA[3]
DDR_DATA[4]
DDR_DATA[5]
DDR_DATA[6]
DDR_DATA[7]
DDR_DATA[8]
DDR_DATA[9]
DDR_DATA[10]
DDR_DATA[11]
DDR_DATA[12]
DDR_DATA[13]
DDR_DATA[14]
DDR_DATA[15]
THE
SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE
SYMBOL MARK OF THE SCHEMETIC.
Copyright © 2012 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
IC9400
H5TQ1G63DFR-PBC
+0.75V_VREF_M0
+0.75V_VREF_M1
N3
M8
A0
VREFCA
P7
A1
P3
A2
N2
H1
A3
VREFDQ
P8
A4
P2
A5
R9402
R8
L8
A6
ZQ
240
1%
R2
A7
T8
A8
R3
B2
A9
VDD_1
L7
D9
A10/AP
VDD_2
R7
G7
A11
VDD_3
N7
K2
A12/BC
VDD_4
T3
K8
A13
VDD_5
N1
VDD_6
M7
N9
A15
VDD_7
R1
VDD_8
M2
R9
BA0
VDD_9
N8
BA1
M3
BA2
A1
VDDQ_1
J7
A8
CK
VDDQ_2
100 1%
K7
C1
CK
VDDQ_3
K9
C9
CKE
VDDQ_4
D2
VDDQ_5
L2
E9
CS
VDDQ_6
K1
F1
ODT
VDDQ_7
J3
H2
RAS
VDDQ_8
K3
H9
CAS
VDDQ_9
L3
WE
J1
NC_1
T2
J9
RESET
NC_2
L1
NC_3
L9
NC_4
F3
T7
DQSL
NC_6
G3
DQSL
C7
A9
DQSU
VSS_1
B7
B3
DQSU
VSS_2
E1
VSS_3
E7
G8
DML
VSS_4
D3
J2
DMU
VSS_5
J8
VSS_6
E3
M1
DQL0
VSS_7
F7
M9
DQL1
VSS_8
F2
P1
DQL2
VSS_9
F8
P9
DQL3
VSS_10
H3
T1
DQL4
VSS_11
H8
T9
DQL5
VSS_12
G2
DQL6
H7
DQL7
B1
VSSQ_1
D7
B9
DQU0
VSSQ_2
C3
D1
DQU1
VSSQ_3
C8
D8
DQU2
VSSQ_4
C2
E2
DQU3
VSSQ_5
A7
E8
DQU4
VSSQ_6
A2
F9
DQU5
VSSQ_7
B8
G1
DQU6
VSSQ_8
A3
G9
DQU7
VSSQ_9
DDR_A[0-13]
V21
DDR_A[0]
B22
DDR_A[1]
DDR_A[2]
V20
T20
DDR_A[3]
C22
DDR_A[4]
DDR_A[5]
T21
+1.5VQ
C21
DDR_A[6]
T22
DDR_A[7]
DDR_A[8]
C20
U22
DDR_A[9]
D22
DDR_A[10]
B21
DDR_A[11]
Connect A13
for
DDR_A[12]
D20
Using 2Gbit Memory
DDR_A[13]
U21
B20
DDR_DATA[0-15]
M22
DDR_DATA[0]
G20
DDR_DATA[1]
DDR_DATA[2]
N20
F22
DDR_DATA[3]
N22
DDR_DATA[4]
DDR_DATA[5]
F20
N21
DDR_DATA[6]
F21
DDR_DATA[7]
H21
DDR_DATA[8]
DDR_DATA[9]
L22
G22
DDR_DATA[10]
M20
DDR_DATA[11]
DDR_DATA[12]
H22
L21
DDR_DATA[13]
H20
DDR_DATA[14]
DDR_DATA[15]
L20
E22
DDR_CLK
E21
DDR_CLKN
K22
DDR_DQS[0]
K21
DDR_DQS_N[0]
J22
DDR_DQS[1]
J21
DDR_DQS_N[1]
E20
DDR_CKE
R20
DDR_WEN
P20
DDR_RASN
P21
DDR_CASN
P22
DDR_ODT
G21
DDR_DM[0]
M21
DDR_DM[1]
R21
DDR_BA[0]
D21
+0.75V_VREF_D0
DDR_BA[1]
R22
DDR_BA[2]
U20
DDR_RESET_N
+0.75V_VREF_D1
A20
R9403
240
1%
V22
A21
E19
F19
G19
H19
J19
+1.5VQ
J20
K19
K20
L19
M19
N19
P19
R19
DDR0 PHY VREF
+1.5V_LG1132
IC9300
LG1132
L9400
DDR_A[0]
BLM18SG121TN1D
DDR_A[1]
DDR_A[2]
DDR_A[3]
C9401
DDR_A[4]
4.7uF
DDR_A[5]
DDR_A[6]
DDR_A[7]
DDR_A[8]
DDR_A[9]
DDR_A[10]
+1.5VQ
DDR_A[11]
DDR_A[12]
DDR_A[13]
DDR_A[14]
R9404
DDR_DQ[0]
DDR_DQ[1]
1K
1%
DDR_DQ[2]
R9405
C9400
DDR_DQ[3]
1K
0.1uF
1%
DDR_DQ[4]
DDR_DQ[5]
DDR_DQ[6]
DDR_DQ[7]
DDR_DQ[8]
DDR_DQ[9]
DDR_DQ[10]
DDR_DQ[11]
DDR_DQ[12]
DDR_DQ[13]
DDR_DQ[14]
DDR_DQ[15]
+1.5VQ
DDR_CK
DDR_CK_N
DDR3 1.5V Decaps - Place these caps near Memory
DDR_DQS[0]
DDR_DQS_N[0]
DDR_DQS[1]
DDR_DQS_N[1]
DDR_CKE
C9402
C9404
C9405
DDR_WE_N
DDR_RAS_N
0.1uF
0.1uF
0.1uF
0.1uF
OPT
DDR_CAS_N
DDR_ODT
DDR_DM[0]
DDR_DM[1]
DDR_BA[0]
DDR_BA[1]
DDR_BA[2]
DDR_RST_N
DDR_ZQ_CAL
DDR_VREF0
DDR3 1.5V/0.75V Decap
- Place these caps near IC101
DDR_VREF1
DDR_VDDQ_1
+0.75V_VREF_D0
+0.75V_VREF_D1
DDR_VDDQ_2
DDR_VDDQ_3
DDR_VDDQ_4
DDR_VDDQ_5
C9403
C9409
DDR_VDDQ_6
0.1uF
0.1uF
DDR_VDDQ_7
DDR_VDDQ_8
DDR_VDDQ_9
DDR_VDDQ_10
DDR_VDDQ_11
DDR_VDDQ_12
DDR_VDDQ_13
LG1132 DDR3
LG1132 DDR3
+1.5VQ
+0.75V_VREF_M0
+1.5VQ
+0.75V_VREF_M1
+1.5VQ
R9406
R9410
1K
1K
1%
1%
R9407
R9411
C9413
C9417
C9420
C9422
1K
1K
1%
0.1uF
1000pF
1%
0.1uF
1000pF
C9407
4.7uF
+1.5VQ
+0.75V_VREF_D0
+0.75V_VREF_D1
R9408
1K
1%
R9409
C9406
C9410
C9415
C9419
C9421
1K
0.1uF
1000pF
0.1uF
1%
0.1uF
1000pF
C9408
C9411
C9412
C9414
C9416
C9418
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
OPT
OPT
OPT
2011. 06 .28
LGE Internal Use Only

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