Read LG 37LG350H (CHASSIS:LD85F) Service Manual online
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.
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.
1K
1%
1%
R309
0 . 1 u F
50V
C311
MADR[5]
HY5DU561622FTP-4-C
IC300
26
BA0
27
BA1
28
A10/AP
29
A0
30
A1
31
A2
32
A3
33
VDD_3
34
VSS_1
35
A4
36
A5
37
A6
38
A7
39
A8
40
A9
41
A11
42
A12
43
NC_4
44
CKE
45
CLK
46
/CLK
47
UDM
48
VSS_2
49
VREF
50
NC_5
17
NC_2
3
VDDQ_1
6
VSSQ_1
16
LDQS
15
VDDQ_3
14
NC_1
13
DQ7
12
VSSQ_2
11
DQ6
10
DQ5
9
VDDQ_2
8
DQ4
7
DQ3
4
DQ1
5
DQ2
25
NC_3
24
/CS
23
/RAS
2
DQ0
22
/CAS
21
/WE
1
VDD_1
20
LDM
19
NC
18
VDD_2
51
UDQS
52
VSSQ_3
53
NC_6
54
DQ8
55
VDDQ_4
56
DQ9
57
DQ10
58
VSSQ_4
59
DQ11
60
DQ12
61
VDDQ_5
62
DQ13
63
DQ14
64
VSSQ_5
65
DQ15
66
VSS_3
0.1uF
C317
MDATA[10]
DQM1
MCLK+
MDATA[29]
MCLK+
M_RAS
1/16W
22
AR301
MADR[3]
0.1uF
C315
MDATA[12]
CLKE
MDATA[8]
MADR[2]
0.1uF
C320
MADR[0]
56
1%
R325
MADR[0]
0.1uF
C303
DQS0
MDATA[11]
0 . 1 u F
50V
C316
BA1
0.1uF
C314
MDATA[2]
DQM2
DQM3
MDATA[7]
M_WE
DQS3
M_RAS
MDATA[5]
56
1%
R322
MDATA[27]
MDATA[30]
MADR[4]
56
1%
R316
1K
1%
R321
+2.5V_DDR
MADR[9]
MDATA[9]
MDATA[26]
MDATA[18]
BA0
0.1uF
C313
0.1uF
C301
MADR[1]
MCLK-
CLKE
MADR[8]
300
1%
R304
MDATA[15]
1/16W
22
AR311
MADR[6]
MADR[3]
MADR[7]
DQM0
MADR[9]
MDATA[3]
+2.5V_DDR
MADR[12]
0.1uF
C307
MDATA[14]
22
AR319
0.1uF
C321
1/16W
22
AR308
MDATA[23]
+2.5V_DDR
MDATA[0]
MADR[10]
MADR[6]
+2.5V_DDR
56
1%
R305
1K
1%
1%
R320
0.1uF
5
0
V
C308
M_CAS
MADR[11]
1/16W
22
AR307
MADR[12]
0.1uF
C302
1/16W
22
AR300
MDATA[22]
DQS1
3225
22uF
16V
C300
MADR[8]
+2.5V_DDR
MADR[2]
+2.5V_DDR
+2.5V_DDR
MDATA[21]
1/16W
22
AR312
MDATA[31]
M_WE
MDATA[24]
MDATA[4]
56
1%
R313
MDATA[28]
0.1uF
C318
MCLK-
MDATA[1]
0 . 1 u F
50V
C319
0.1uF
C306
+2.5V_DDR
300
1%
R315
0 . 1 u F
50V
50V
C325
MDATA[19]
DQS2
HY5DU561622FTP-4-C
IC301
26
BA0
27
BA1
28
A10/AP
29
A0
30
A1
31
A2
32
A3
33
VDD_3
34
VSS_1
35
A4
36
A5
37
A6
38
A7
39
A8
40
A9
41
A11
42
A12
43
NC_4
44
CKE
45
CLK
46
/CLK
47
UDM
48
VSS_2
49
VREF
50
NC_5
17
NC_2
3
VDDQ_1
6
VSSQ_1
16
LDQS
15
VDDQ_3
14
NC_1
13
DQ7
12
VSSQ_2
11
DQ6
10
DQ5
9
VDDQ_2
8
DQ4
7
DQ3
4
DQ1
5
DQ2
25
NC_3
24
/CS
23
/RAS
2
DQ0
22
/CAS
21
/WE
1
VDD_1
20
LDM
19
NC
18
VDD_2
51
UDQS
52
VSSQ_3
53
NC_6
54
DQ8
55
VDDQ_4
56
DQ9
57
DQ10
58
VSSQ_4
59
DQ11
60
DQ12
61
VDDQ_5
62
DQ13
63
DQ14
64
VSSQ_5
65
DQ15
66
VSS_3
MADR[10]
BA1
0.1uF
C305
MADR[5]
0.1uF
1
6
V
C322
MDATA[17]
M_CAS
BA0
MADR[7]
3225
22uF
16V
16V
C309
MDATA[25]
MADR[1]
MDATA[13]
0.1uF
C304
MDATA[6]
3225
22uF
16V
C312
56
1%
R302
MDATA[20]
22
AR318
3225
22uF
16V
16V
C323
MDATA[16]
1K
1%
R310
MADR[11]
MADR[4]
56
1%
R301
56
1%
R300
56
1%
R303
56
1%
R328
0
5%
R323
0
5%
R324
0
5%
R327
0
5%
R326
3 1 3
DDR
ADDRESS TOTAL LENGTH < 3000 mil (76.2mm)
D D R 1 & D D R 2 d i f f e r e n t l e n g t h r a n g e = + / - 2 5 m i l ( m a x + / - 5 0 m i l )
1 m i l = 0 . 0 2 5 4 m m
2 0 m i l = 0 . 5 0 8 m m
4 0 m i l = 1 . 0 1 6 m m
2 0 m i l = 0 . 5 0 8 m m
4 0 m i l = 1 . 0 1 6 m m
xxLG350H-TA
2 0 0 9 . 1 . 2 3
DDR
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