There are some different LCD panels are used in the model SDM-S73/S93.
Therefore the repair parts are also different.
Please confirm the serial number before repairing.
• 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.
TIMING CHART
VIDEO
C
SYNC
B
A
E
F
D
– 4 –
SDM-S73/S93 (E)
Page 5
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–35.00864640646496224
V–66.667Hz525480333945
640x480
60Hz
H–37.508406401664120200
V–75.0Hz500480131620
640x480
65Hz
H–31.5009007201810854180
V+70.156Hz4494001233449
640x480
75Hz
H–35.1628967203440102176
V–59.901Hz58748012293107
720x480
60Hz
H+-35.15610248002472128224
V+56.250Hz625600122225
800x600
56Hz
H+37.87910568004012888256
V+60.317Hz628600142328
800x600
60Hz
H+48.07710408005612064240
V+72.188Hz6666003762366
800x600
72Hz
H+46.87510568001680160256
V+75.0Hz625600132125
800x600
75Hz
H–49.72711528323264224320
V–74.553Hz667624333743
832x624
(MAC16”)
75Hz
H–48.3631344102424136160320
V–60.004Hz806768362938
1024x768
60Hz
H–56.4761328102424136144304
V–70.069Hz806768362938
1024x768
70Hz
H+60.023131210241696176288
V+75.029Hz800768132832
1024x768
75Hz
H–60.241132810243296176304
V–74.927Hz804768333036
1024x768
(MAC19)
75Hz
H+67.5001600115264128256448
V+75.000Hz900864133236
1152x864
75Hz
H–68.6811456115232128144304
V–75.062Hz915870333945
1152x870
(MAC21)
75Hz
H–61.7951504115230128194352
V–65.950Hz937900243137
1152x900
66Hz
H–71.732147211521696208320
V–76.068Hz943900283343
1152x900
75Hz
H+31.2161480117037129144310
V+50.026Hz624584333440
1170x584
50Hz
H+60.0001800128096112312520
V+60.000Hz1000960133640
1280x960
60Hz
H+63.9811688128048112248408
V+60.020Hz10661024133842
1280x1024
60Hz
H+79.9761688128016144248408
V+75.025Hz10661024133842
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–31.469800640169648160
V–59.940Hz5254801023345
Sync Duration
(D)
Front Porch
(C)
Video Active Time
(A)
Total Period
(E)
– 5 –
SDM-S73/S93 (E)
Page 6
REAR VIEW(SDM-S73)REARVIEW(SDM-S93)
OPERATING INSTRUCTIONS
HD15(RGB) input
connector
AC IN connector
AC IN
connector
Main Power Switch
HD15(RGB) input
connector
Main Power Switch
MENU
OK
ECO
1
3
4
2
5
1. (Power) switch and (power) indicator
This switch turns the monitor on when the power
indicator lights up in red. To turn the monitor off, press
this switch again.
If the power indicator does not light up, press the MAIN
POWER switch.
2. MENU Button
This button turns the menu screen on and off.
3.Buttons
These buttons are used to select the menu items and
make adjustments.
4. OK Button
This button actives tge selected menu item and
adjustments made using the buttons(
3
).
5. ECO Button
This button is used to reduce the power consumption.
Front Control Panel
– 6 –
SDM-S73/S93 (E)
Page 7
WIRING DIAGRAM (SDM-S73)
Connector Ass'y P/N:
1-900-275-71
CN001
CN003
J702
J705
J706
AC Switch with
Connector P/N:
1-786-624-11
– 7 –
SDM-S73/S93 (E)
Page 8
WIRING DIAGRAM (SDM-S93)
Connector Ass'y P/N:
1-900-275-71
J705
J706
J702
AC Switch with
Connector P/N:
1-786-624-11
– 8 –
SDM-S73/S93 (E)
Page 9
– 9 –
EEPROMx2
Analog(R/G/B)
D-Subx2
(EDID)
3.3V
LIPS
2.5V
ADC
MST9111A
Scaling
OSD
Pre-AmpPLL
Regulator
LVDS
Tx
3.3V
LVDS
EEPROM
24C16
(System)
MTV412PLCC
3.3V
Panel
Vcc
BLOCK DIAGRAM
KEY
SDM-S73/S93 (E)
Filter
+
Inverter
Output
(4Lamp)
LAMP Connector
5V
12V
5V
Regulator
2.5V
Page 10
LIPS Board Block Diagram
EMI
COMPONENTS
LINE
100 ~ 240V
INPUT RECTIFIER
AND FILTER
ENERGY
TRANSFER
OUTPUT RECTIFIER
AND FILTER
12V
5V
GND
SIGNAL
COLLECTI
ON
PHOTO-
COUPLER
ISOLATION
PWM
CONTROL
CIRCUIT
HVDC
100KHz
PRIMARYSECONDARY
50 ~ 60Hz
– 10 –
SDM-S73/S93 (E)
Page 11
ADJUSTMENT
1. Procedures of how to go to service mode.
1) Enter the service mode of this unit by turning on
the power while pressing and holding the “r” key
simultaneously.
2) Press “MENU” key——MAINTAIN.
3) Press “OK” key to enter the service menu.
4) Select the desired function.
5) Press the “MENU” key to exit OSD.
6) Turn off the power and then turn on it again. The
monitor then enters the normal mode.
To enter the service again, repeat the procedure
described above.
Note
W/B readjustment is required after the panel, board
and microcomputer are replaced. However, be sure to
perform aging for more than 30 minutes for RGB reset
before W/B adjustment.
2. Setup
1) Prepare timing and pattern data for a signal
generator according to the Sony timing
specifications.
2) Connect a monitor video cable to the signal
generator.
3) Put Color Analyzer(ex. CA-110) 50cm away from
the monitor, specify it vertically in the center of
the display, and adjust the focus to the optimum
level using an eyepiece.
4) Put the monitor and Color Analyzer(ex. CA-110)
in a light-shielded room.
5) Set up [SERVICE MODE] of the monitor.
3. Operation
Data is manually set to improve the productivity. The
brightness, contrast, and backlight are set to 50, 70
and 100 respectively. After that, the default data of
the color temperature to be adjusted is set.
4. Warm up time
Warm up for 30 minutes before performing any
adjustment.
5. Adjustment for White Balance
a. Display SMPTE at SXGA/60Hz(Input level
0.73V).
b. Set up [SERVICE MODE].
c. Click “INITIAL EEPROM” and again setup Service
Mode.
d. Click “WHITE BALANCE” and then select “AUTO”.
6. 9300K color adjustment
a. Select “9300K” in “COLOR TEMP” and enter.
b. Use a 35%(89Gray) IRE white video field in the
primary mode.
c. Adjust “SUB CONTRAST “ to secure the color
temperature.
d. Press “MENU” key to exit adjust mode.
7. 6500K color adjustment
a. Select “6500K” in “COLOR TEMP” and enter.
b. Repeat the adjustment procedure as steps b to d
at 9300K.