LG 26LG40 (CHASSIS:LA89D) Service Manual ▷ View online
- 33 -
12Mhz
Crystal
Mstar
-
-
-
Main Clock
Demodulator Clock
25Mhz
Crystal
LGDT3304
PSU
VSC
5V
5V
Module
M5V
Stby5V
16V
DC/DC
RL-On
3.4V-On
M5V-On
3.4V
- Main Power
16V
Demodulator Power
LGDT3304
5V
DTV: on
Etc Mode:
off
7. CLOCK/ POWER DESIGN
- 34 -
EXPLODED VIEW
300
200
120
122
500
510
800
804
801
803
805
802
806
521
821
540
820
530
531
400
900
910
550
560
Many electrical and mechanical parts in this chassis have special safety-related characteristics. These
parts are identified by in the Schematic Diagram and EXPLODED VIEW.
It is essential that these special safety parts should be replaced with the same components as
recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.
Do not modify the original design without permission of manufacturer.
parts are identified by in the Schematic Diagram and EXPLODED VIEW.
It is essential that these special safety parts should be replaced with the same components as
recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.
Do not modify the original design without permission of manufacturer.
IMPORTANT SAFETY NOTICE
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.
CKE
0.1uF 50V
C209
MDATA[0-31]
+2.6V_MVDD
0.1uF
50V
C211
0.1uF
50V
C215
DQS0
0.1uF
50V
C202
+2.6V_MVDD
DQM0
0.1uF
50V
C201
DQM3
0.1uF
50V
C203
0.1uF
50V
C212
DQS2
0.1uF
50V
C214
CKE
0.1uF
50V
C216
0.1uF
50V
C204
0.1uF
50V
C218
+2.6V_MVDD
DQM1
DQS3
0.1uF
50V
C207
+2.6V_MVDD
DQM2
DQS1
0.1uF
50V
C213
0.1uF
50V
C200
0.1uF
50V
C205
MADR[0-12]
MADR[0-12]
300
R215
300
R210
MCLKZ
MCLK
MCLKZ
MCLK
1K
1%
R220
1K
1%
R208
1K
1%
R206
1K
1%
R217
0.1uF
50V
C210
+2.6V_MVDD
+2.6V_MVDD
22
R234
22
R235
22
R233
22
R232
CASZ_DDR
BA0_DDR
RASZ_DDR
WEZ_DDR
BA1_DDR
BA1_DDR
WEZ_DDR
CASZ_DDR
RASZ_DDR
BA0_DDR
CASZ
BA1
BA1_DDR
RASZ_DDR
CASZ_DDR
BA0
WEZ_DDR
RASZ
BA0_DDR
WEZ
3225
22uF
16V
C221
3225
22uF
16V
C220
0.1uF
50V
C206
0.1uF
50V
C217
56
R223
56
R200
56
R201
56
R204
56
R205
56
R212
56
R211
22
AR201
22
AR206
22
AR203
22
AR208
22
AR204
22
AR205
22
AR207
22
AR200
22
R203
22
R214
56
R207
56
R216
56
R202
56
R213
22
R209
22
R221
HY5DU561622FTP-4-C
IC200
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
HY5DU561622FTP-4-C
IC201
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[2]
MADR[5]
MADR[10]
MDATA[13]
MDATA[1]
MDATA[21]
MADR[1]
MDATA[16]
MDATA[0]
MDATA[20]
MDATA[19]
MDATA[3]
MDATA[9]
MDATA[18]
MADR[3]
MDATA[0-31]
MDATA[0-31]
MADR[11]
MDATA[2]
MDATA[10]
MDATA[12]
MDATA[8]
MDATA[5]
MADR[8]
MDATA[17]
MDATA[4]
MADR[0]
MADR[9]
MADR[7]
MDATA[11]
MDATA[28]
MDATA[29]
MDATA[24]
MDATA[25]
MDATA[26]
MDATA[27]
MADR[12]
MADR[6]
MADR[4]
MADR[3]
MADR[1]
MADR[2]
MADR[0]
MADR[10]
MADR[11]
MADR[9]
MADR[12]
MADR[5]
MADR[7]
MADR[8]
MADR[6]
MADR[4]
MDATA[7]
MDATA[6]
MDATA[15]
MDATA[14]
MDATA[23]
MDATA[22]
MDATA[31]
MDATA[30]
DDR
2007.12.26
2 9
DDR
1 mil = 0.0254 mm
20 mil = 0.508 mm
40 mil = 1.016 mm
ADDRESS TOTAL LENGTH < 3000 mil (76.2mm)
DDR1 & DDR2 different length range = +/- 25 mil (max +/- 50 mil)
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