LG 32LF7300 Service Manual ▷ View online
- 21 -
c)
42LF7700-ZC
d)
47LF7700-ZC
Û
Product ID
MODEL NAME
PRODUCT ID
HEX
EDID Table
32LF7300-ZD
30388
76B4
B476
42LF7300-ZD
40471
9E17
179E
32LH3300-ZC
30386
76B2
B276
42LH3300-ZC
40469
9E15
159E
Ü
Serial No: Controlled on production line.
Ý
Week, Year: Controlled on production line: ex) Weekly : ‘01’
Î ‘01’, Year : ‘2009’ Î ‘13’
Þ
Model Name(Hex):
MODEL NAME
MODEL NAME(HEX)
32LF7300-ZD
00 00 00 FC 00 33 32 4C 46 37 33 30 30 0A 20 20 20 20
42LF7300-ZD
00 00 00 FC 00 34 32 4C 46 37 33 30 30 0A 20 20 20 20
32LH3300-ZC
00 00 00 FC 00 33 32 4C 48 33 33 30 30 0A 20 20 20 20
42LH3300-ZC
00 00 00 FC 00 34 32 4C 48 33 33 30 30 0A 20 20 20 20
ß
Checksum: Changeable by total EDID data.
à
Port No. 10 : HDMI1, 20 : HDMI2, 30 : HDMI3
0x00
0x01
0x02
0x0
3
3
0x04
0x05
0x06
0x07
0x08
0x09
0x0A
0x0B
0x0C
0x0D
0x0E
0x0F
0x00
00
FF
FF
FF
FF
FF
FF
00
1E
6D
Product ID
Û
Serial No
Ü
0x10
Week/Year
གྷ
01
03
80
46
27
78
2A
6A
3B
A3
55
4A
9B
25
0x20
0F
47
4A
A1
08
00
31
40
45
40
61
40
81
80
90
40
0x30
01
01
01
01
01
01
02
3A
80
18
71
38
2D
40
58
2C
0x40
45
00
BA
89
21
00
00
1E
16
21
50
A0
51
00
1E
30
0x50
48
88
35
00
BA
89
21
00
00
1A
00
00
00
FD
00
39
0x60
3F
1C
45
0F
00
0A
20
20
20
20
20
20
0x70
Model Name
Þ
01
C/S
ß
0x80
02
03
26
F1
4E
90
1F
20
22
21
05
14
04
13
12
03
0x90
02
15
01
26
15
07
50
09
57
07
83
01
00
00
67
03
0xA0
0C
00
Port
à
00
B8
2D
01
1D
80
D0
72
1C
16
20
10
2C
0xB0
25
80
BA
89
21
00
00
9E
01
1D
80
18
71
1C
16
20
0xC0
58
2C
25
00
BA
89
21
00
00
9E
01
1D
00
BC
52
D0
0xD0
1E
20
B8
28
55
40
BA
89
21
00
00
1E
01
1D
00
72
0xE0
51
D0
1E
20
6E
28
55
00
BA
89
21
00
00
1E
00
00
0xF0
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
C/S
ß
0x00
0x01
0x02
0x0
3
3
0x04
0x05
0x06
0x07
0x08
0x09
0x0A
0x0B
0x0C
0x0D
0x0E
0x0F
0x00
00
FF
FF
FF
FF
FF
FF
00
1E
6D
Product ID
Û
Serial No
Ü
0x10
Week/Year
གྷ
01
03
80
5D
34
78
2A
65
EB
A3
55
4A
9B
24
0x20
10
47
4A
A1
08
00
31
40
45
40
61
40
81
80
90
40
0x30
01
01
01
01
01
01
02
3A
80
18
71
38
2D
40
58
2C
0x40
45
00
A2
0B
32
00
00
1E
16
21
50
A0
51
00
1E
30
0x50
48
88
35
00
A2
0B
32
00
00
1A
00
00
00
FD
00
39
0x60
3F
1C
45
0F
00
0A
20
20
20
20
20
20
0x70
Model Name
Þ
01
C/S
ß
0x80
02
03
26
F1
4E
90
1F
20
22
21
05
14
04
13
12
03
0x90
02
15
01
26
15
07
50
09
57
07
83
01
00
00
67
03
0xA0
0C
00
Port
à
00
B8
2D
01
1D
80
D0
72
1C
16
20
10
2C
0xB0
25
80
A2
0B
32
00
00
9E
01
1D
80
18
71
1C
16
20
0xC0
58
2C
25
00
A2
0B
32
00
00
9E
01
1D
00
BC
52
D0
0xD0
1E
20
B8
28
55
40
A2
0B
32
00
00
1E
01
1D
00
72
0xE0
51
D0
1E
20
6E
28
55
00
A2
0B
32
00
00
1E
00
00
0xF0
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
C/S
ß
- 22 -
40 : HDMI4 (LF7300 Only)
TROUBLESHOOTING
1. No power
(1) Symptom
1)
Doesn't minute discharge at module.
2)
None does come into the front LED.
3)
Check Off Mode.
(2)
Check follow
Is connect the Line
Filter and Power
Board Cable?
Plug in power cord
Is normal the
“Fuse” on Power Board?
Connect cable.
Is connect the Power
Board and 24P of Main
Board Cable?
Replace fuse.
Connect Cable.
After remove the cable connect to
Power Board (except the AC
connection cable *), authorizes the
AC voltage marking on manual.
When ST-BY 5V does not operate,
replace Power Board.
Yes
No
Is plug in power cord?
Yes
No
No
No
Yes
Yes
*[AC Connector Ref. No.]
¾ 32LF7300 Power B/D : SC100
¾ 42LF7300 Power B/D : SC101
¾ 32LH3300 Power B/D : SC100
¾ 42LH3300 Power B/D : SC102
¾ 32LF7300 Power B/D : SC100
¾ 42LF7300 Power B/D : SC101
¾ 32LH3300 Power B/D : SC100
¾ 42LH3300 Power B/D : SC102
- 23 -
2. Protect mode
(1) Symptom
1)
After once shining, it does not discharge minutely from module.
2)
It is converted with the color where the front LED is red from blue.
(2)
Check follow
Is normal the Power
Board?
Is normal the each
connector?
Is output the normality
Low/High .voltage
except Stand-by 5V?
Low/High .voltage
except Stand-by 5V?
Is normal the Main
Board?
Yes
Yes
No
No
No
No
Replace Power Board.
After connecting well
each connector, the
normality it operates?
each connector, the
normality it operates?
Replace Power Board.
After remove JP1
normal operation:
Replace Main Board
normal operation:
Replace Main Board
Is normal the output
voltage after remove
JP1 of Main Board?
voltage after remove
JP1 of Main Board?
No
No
- 24 -
3. No Raster
(1) Symptom
1)
No OSD and image occur at screen.
2)
It maintains the condition where the front LED is blue
(2)
Check follow
Does minute discharge
At Module?
Is the LVDS
cable normal?
Is the U102(FLI10620H)
Output normal?
Yes
Yes
No
No
No
Is output the normality
Low/High voltage except
stand-by 5V?
Low/High voltage except
stand-by 5V?
Reconnect the LVDS
cable.
cable.
No
Yes
Yes
Is the inverter on?
Replace Main Board.
Replace Main Board.
Check the LCD
Module
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