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LG 55EM970V Service Manual page 43

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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 © 2013 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
+1.5VQ
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
IC9300
LG1132
DDR_A[0-13]
DDR_A[0]
V21
DDR_A[0]
DDR_A[1]
B22
DDR_A[1]
V20
DDR_A[2]
DDR_A[2]
T20
DDR_A[3]
DDR_A[3]
C22
DDR_A[4]
DDR_A[4]
T21
DDR_A[5]
DDR_A[5]
DDR_A[6]
C21
DDR_A[6]
DDR_A[7]
T22
DDR_A[7]
C20
DDR_A[8]
DDR_A[8]
U22
DDR_A[9]
DDR_A[9]
D22
DDR_A[10]
DDR_A[10]
DDR_A[11]
B21
Connect A13
for
DDR_A[11]
DDR_A[12]
D20
Using 2Gbit Memory
DDR_A[12]
DDR_A[13]
U21
DDR_A[13]
B20
DDR_DATA[0-15]
DDR_A[14]
M22
DDR_DATA[0]
DDR_DQ[0]
DDR_DATA[1]
G20
DDR_DQ[1]
DDR_DATA[2]
N20
DDR_DQ[2]
F22
DDR_DATA[3]
DDR_DQ[3]
N22
DDR_DATA[4]
DDR_DQ[4]
F20
DDR_DATA[5]
DDR_DQ[5]
DDR_DATA[6]
N21
DDR_DQ[6]
DDR_DATA[7]
F21
DDR_DQ[7]
H21
DDR_DATA[8]
DDR_DQ[8]
L22
DDR_DATA[9]
DDR_DQ[9]
G22
DDR_DATA[10]
DDR_DQ[10]
M20
DDR_DATA[11]
DDR_DQ[11]
DDR_DATA[12]
H22
DDR_DQ[12]
DDR_DATA[13]
L21
DDR_DQ[13]
H20
DDR_DATA[14]
DDR_DQ[14]
L20
DDR_DATA[15]
DDR_DQ[15]
E22
DDR_CLK
DDR_CK
E21
DDR_CLKN
DDR_CK_N
K22
DDR_DQS[0]
DDR_DQS[0]
K21
DDR_DQS_N[0]
DDR_DQS_N[0]
J22
DDR_DQS[1]
DDR_DQS[1]
J21
DDR_DQS_N[1]
DDR_DQS_N[1]
E20
DDR_CKE
DDR_CKE
R20
DDR_WEN
DDR_WE_N
P20
DDR_RASN
DDR_RAS_N
P21
DDR_CASN
DDR_CAS_N
P22
DDR_ODT
DDR_ODT
G21
DDR_DM[0]
DDR_DM[0]
M21
DDR_DM[1]
DDR_DM[1]
R21
DDR_BA[0]
DDR_BA[0]
D21
+0.75V_VREF_D0
DDR_BA[1]
DDR_BA[1]
R22
DDR_BA[2]
DDR_BA[2]
U20
DDR_RESET_N
DDR_RST_N
+0.75V_VREF_D1
A20
R9403
240
DDR_ZQ_CAL
1%
V22
DDR_VREF0
A21
DDR_VREF1
E19
DDR_VDDQ_1
F19
DDR_VDDQ_2
G19
DDR_VDDQ_3
H19
DDR_VDDQ_4
J19
DDR_VDDQ_5
+1.5VQ
J20
DDR_VDDQ_6
K19
DDR_VDDQ_7
K20
DDR_VDDQ_8
L19
DDR_VDDQ_9
M19
DDR_VDDQ_10
N19
DDR_VDDQ_11
P19
DDR_VDDQ_12
R19
DDR_VDDQ_13
DDR0 PHY VREF
+1.5VQ
+0.75V_VREF_M0
+1.5V_LG1132
+1.5VQ
R9406
1K
1%
L9400
BLM18SG121TN1D
R9407
C9413
C9417
1K
1%
0.1uF
1000pF
C9401
C9407
4.7uF
4.7uF
+1.5VQ
+1.5VQ
+0.75V_VREF_D0
R9404
R9408
1K
1K
1%
1%
R9405
R9409
C9400
C9406
C9410
C9415
1K
1K
0.1uF
1%
0.1uF
1000pF
0.1uF
1%
+1.5VQ
DDR3 1.5V Decaps - Place these caps near Memory
C9402
C9404
C9405
C9408
C9411
C9412
C9414
C9416
C9418
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
OPT
OPT
OPT
OPT
DDR3 1.5V/0.75V Decap
- Place these caps near IC101
+0.75V_VREF_D0
+0.75V_VREF_D1
C9403
C9409
0.1uF
0.1uF
LG1132 DDR3
2011. 06 .28
LG1132 DDR3
+1.5VQ
+0.75V_VREF_M1
R9410
1K
1%
R9411
C9420
C9422
1K
1%
0.1uF
1000pF
+0.75V_VREF_D1
C9419
C9421
0.1uF
1000pF
LGE Internal Use Only

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