SDM-HS73
US Model
Canadian Model
AEP Model
Chinese Model
TFT LCD COLOR COMPUTER DISPLAY
SERVICE MANUAL
MENU
OK
2
SDM-HS73 (E)
There are some different LCD panels are used in the model SDM-HS73.
Therefore the repair parts are also different.
Please confirm the serial number before repairing.
LGE Production
AU Panel
LPL Panel
WHITE
U/C
17-4445-10
SDM-HS73/WC UC7
6,000,001-6,080,000
6,080,001-6,200,000
GRAY
U/C
17-4461-10
SDM-HS73/HC UC7
3,200,001-3,260,000
6,750,001-6,850,000
3,260,001-3,350,000
BLUE
U/C
17-4458-10
SDM-HS73/LC UC7
3,500,001-3,580,000
3,580,001-3,700,000
BLACK
U/C
17-4570-10
SDM-HS73/BC UC7
9,940,001-9,948,000
9,948,001-9,960,000
WHITE
AEP
17-4445-20
SDM-HS73/WC EKZ
6,200,001-6,280,000
6,280,001-6,400,000
GRAY
AEP
17-4461-20
SDM-HS73/HC EKZ
3,350,001-3,410,000
3,410,001-3,500,000
BLUE
AEP
17-4458-20
SDM-HS73/LC EKZ
3,700,001-3,780,000
3,780,001-3,900,000
BLACK
AEP
17-4570-20
SDM-HS73/BC EKZ
1,260,001-1,320,000
1,320,001-1,400,000
WHITE
CH
17-4445-30
SDM-HS73/WC CN6
6,615,001-6,630,000
6,600,001-6,615,000
GRAY
CH
17-4461-30
SDM-HS73/HC CN6
6,645,001-6,660,000
6,630,001-6,645,000
BLACK
CH
17-4570-30
SDM-HS73/BC CN6
9,965,001-9,970,000
9,960,001-9,965,000
Color
Serial Number
Description
Product Code
Dest.
TPV Production
Color
Destination
Serial Number
LCD Panel
1,000,001-1,060,000
CPT Panel
1,060,001-1,100,000
AU Panel
1,210,001-1,222,000
CPT Panel
1,222,001-1,230,000
AU Panel
1,100,001-1,160,000
CPT Panel
1,160,001-1,200,000
AU Panel
1,230,001-1,242,000
CPT Panel
1,242,001-1,250,000
AU Panel
1,200,001-1,206,000
CPT Panel
1,206,001-1,210,000
AU Panel
1,250,001-1,256,000
CPT Panel
1,256,001-1,260,000
AU Panel
1,400,001-1,460,000
CPT Panel
1,460,001-1,500,000
AU Panel
1,500,001-1,530,000
CPT Panel
1,530,001-1,550,000
AU Panel
Blue
U/C
AEP
Black
U/C
AEP
White
U/C
AEP
Grey
U/C
AEP
- 3 -
SDM-HS73 (E)
- 4 -
SDM-HS73 (E)
WARNING FOR THE SAFETY-RELATED COMPONENT.
· There are some special components used in LCD
monitor that are important for safety.
These parts are
marked
on the schematic diagram and the
replacement parts list. It is essential that these critical
parts should be replaced with the manufacturer's
specified parts to prevent electric shock, fire or other
hazard.
· Do not modify original design without obtaining written
permission from manufacturer or you will void the
original parts and labor guarantee.
TAKE CARE DURING HANDLING THE LCD MODULE
WITH BACKLIGHT UNIT.
· Must mount the module using mounting holes arranged
in four corners.
· Do not press on the panel, edge of the frame strongly
or electric shock as this will result in damage to the
screen.
· Do not scratch or press on the panel with any sharp
objects, such as pencil or pen as this may result in
damage to the panel.
· Protect the module from the ESD as it may damage the
electronic circuit (C-MOS).
· Make certain that treatment person's body are
grounded through wrist band.
· Do not leave the module in high temperature and in
areas of high humidity for a long time.
· The module not be exposed to the direct sunlight.
· Avoid contact with water as it may a short circuit within
the module.
· If the surface of panel become dirty, please wipe it off
with a softmaterial. (Cleaning with a dirty or rough cloth
may damage the panel.)
WARNING
BE CAREFUL ELECTRIC SHOCK !
· If you want to replace with the new backlight (CCFL) or
inverter circuit, must disconnect the AC adapter
because high voltage appears at inverter circuit about
650Vrms.
· Handle with care wires or connectors of the inverter
circuit. If the wires are pressed cause short and may
burn or take fire.
PRECAUTION
CAUTION
Please use only a plastic screwdriver to protect yourself
from shock hazard during service operation.
- 5 -
SDM-HS73 (E)
Mode
H/V
Sort
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
720x400
70Hz
H
35.00
864
640
64
64
96
224
V
66.667Hz
525
480
3
3
39
45
640x480
60Hz
H
37.50
840
640
16
64
120
200
V
75.0Hz
500
480
1
3
16
20
640x480
65Hz
H
31.500
900
720
18
108
54
180
V
+
70.156Hz
449
400
12
3
34
49
640x480
75Hz
H
35.162
896
720
34
40
102
176
V
59.901Hz
587
480
12
2
93
107
720x480
60Hz
H
+-
35.156
1024
800
24
72
128
224
V
+
56.250Hz
625
600
1
2
22
25
800x600
56Hz
H
+
37.879
1056
800
40
128
88
256
V
+
60.317Hz
628
600
1
4
23
28
800x600
60Hz
H
+
48.077
1040
800
56
120
64
240
V
+
72.188Hz
666
600
37
6
23
66
800x600
72Hz
H
+
46.875
1056
800
16
80
160
256
V
+
75.0Hz
625
600
1
3
21
25
800x600
75Hz
H
49.727
1152
832
32
64
224
320
V
74.553Hz
667
624
3
3
37
43
832x624
(MAC16")
75Hz
H
48.363
1344
1024
24
136
160
320
V
60.004Hz
806
768
3
6
29
38
1024x768
60Hz
H
56.476
1328
1024
24
136
144
304
V
70.069Hz
806
768
3
6
29
38
1024x768
70Hz
H
+
60.023
1312
1024
16
96
176
288
V
+
75.029Hz
800
768
1
3
28
32
1024x768
75Hz
H
60.241
1328
1024
32
96
176
304
V
74.927Hz
804
768
3
3
30
36
1024x768
(MAC19)
75Hz
H
+
67.500
1600
1152
64
128
256
448
V
+
75.000Hz
900
864
1
3
32
36
1152x864
75Hz
H
68.681
1456
1152
32
128
144
304
V
75.062Hz
915
870
3
3
39
45
1152x870
(MAC21)
75Hz
H
61.795
1504
1152
30
128
194
352
V
65.950Hz
937
900
2
4
31
37
1152x900
66Hz
H
71.732
1472
1152
16
96
208
320
V
76.068Hz
943
900
2
8
33
43
1152x900
75Hz
H
+
31.216
1480
1170
37
129
144
310
V
+
50.026Hz
624
584
3
3
34
40
1170x584
50Hz
H
+
60.000
1800
1280
96
112
312
520
V
+
60.000Hz
1000
960
1
3
36
40
1280x960
60Hz
H
+
63.981
1688
1280
48
112
248
408
V
+
60.020Hz
1066
1024
1
3
38
42
1280x1024
60Hz
H
+
79.976
1688
1280
16
144
248
408
V
+
75.025Hz
1066
1024
1
3
38
42
1280x1024
75Hz
Sync
Polarity
Frequency
Dot
Clock
Back Porch
(F)
Blanking time
(B)
Resolution
28.350
25.175
30.240
31.500
31.505
36.000
40.000
50.000
49.500
57.285
65.000
75.000
78.750
80.000
108.000
100.000
92.940
105.590
46.200
108.000
108.000
135.000
<< Dot Clock (MHz), Horizontal Frequency (kHz), Vertical Frequency (Hz), Horizontal etc... (
µs), Vertical etc... (ms) >>
H
31.469
800
640
16
96
48
160
V
59.940Hz
525
480
10
2
33
45
Sync Duration
(D)
Front Porch
(C)
Video Active Time
(A)
Total Period
(E)
TIMING CHART