NEC MultiSync 75F-3 User manual

MODELS MultiSync 75F-3
AccuSync 75F-3
(N0701-3)
COLOR MONITOR
SERVICE MANUAL
Better Service
Better Reputation
Better Profit
/MITSUBISHI
NEC-MITSUBISHI ELECTRIC VISUAL SYSTEMS

PRODUCT SAFETY CAUTION
1. When parts replacement is required for servicing, always use the manufacturer’s specified
replacement.
2. Comply with all caution and safety-related notes on the product display chassis and picture tube.
3. When replacing the component, always be certain that all the components are put back in the
place.
4. When servicing display monitor unit, it is required that the provided lead dress is used in the high
voltage circuit area.
5. It is also recommended that shatter proof goggles are worn, when removing, installing and han-
dling the picture tube. People not equipped with the proper precautionary measures mentioned
should keep the picture tube away from body while handling.
6. As for a connector, pick and extract housing with fingers properly since a disconnection and
improper contacts may occur, when wires of the connector are led.
7. Use a proper screwdriver. If you use screwdriver that does not fit, you may damage the screws.
W A R N I N G
The SERVICE PERSONNEL should have the appropriate technical training knowledge
and experience necessary to :
Be familiar with specialized test equipment, and
Be careful to follow all safety procedures associated with high voltage CRT circuit
designs to minimize danger to themselves and their coworkers.
To avoid electrical chocks, this equipment should be used with an appropriate power
cord and be connected only to a properly grounded AC outlet
This equipment utilized a micro-gap power switch. Turn off the monitor by first pushing
the front panel power switch. Next, remove the power cord from the AC outlet.
To prevent fire or shock hazards, do not expose this unit to rain or moisture
This symbol warns the personnel that un-insulated voltage within the unit may
have sufficient magnitude to cause electric shock.
This symbol alerts the personnel that important literature concerning the
operation and maintenance of this unit has been included.
Therefore, it should be read carefully in order to avoid any problems.
!
!
!

CONTENTS
Page No.
PRECAUTIONS ...................................................................................................................... 1
SPECIFICATIONS .................................................................................................................. 3
PIN ADJUSTMENT TABLE..................................................................................................... 4
CONTROLS ............................................................................................................................ 5
ON-SCREEN MANAGER(OSM)............................................................................................. 6
SERIAL NUMBER INFORMATION....................................................................................... 11
DISASSEMBLY..................................................................................................................... 12
ADJUSTMENT PROCEDURES ........................................................................................... 13
WRITE AND INSPECTION FOR PLUG AND PLAY COMMUNICATION............................. 26
TROUBLE SHOOTING......................................................................................................... 29
CIRCUIT DESCRIPTION...................................................................................................... 37
REPLACEMENT PARTS LIST.............................................................................................. 80
BLOCK DIAGRAMS.............................................................................................................. 98

Precautions
Follow these safety and servicing precautions to prevent damage and to protect against potential hazards
such as electrical shock and X-rays.
1.1 Safety Precautions
1-1-1 Warnings
1. For safety purpose, do not attempt to modify the circuit board, and always disconnect the AC power
before performing servicing on the monitor.
2. Operation of the monitor outside its cabinet or with the cover removed involves the risk of shock
hazard. Repair work on the monitor should only be attempted by service personnel who are thoroughly
familiar with all necessary safety precautions and procedures for working on high voltage equipment.
3. Do not lift the CRT by the neck. After completely discharging the high voltage anode, handle the CRT
only when wearing shatterproof goggles. Try to keep the CRT away from the body during handling.
4. High voltage should always be kept at the rated value, no higher. Only when high voltage is excessive
are X-rays capable of penetrating the shell of the CRT. Operation at high voltages may also cause
failure of the CRT or high voltage circuitry.
5. The CRT is especially constructed to limit X-ray emission to 0.5mR/HR at 300 microamperes anode
current. To ensure continued X-ray protection, replace the CRT with only the same or equivalent type
as the original, and adjust the anode’s voltage to the designated maximum rating, never to exceed.
1-1-2 Safety Checks
Before returning the monitor to the user, perform the following safety checks:
1. Inspect to make certain that each lead dress is not pinched or that hardware is not lodged between the
chassis and other metal parts in the monitor.
2. Inspect all protective devices such as nonmetallic control knobs, insulating materials, cabinet backs,
adjustment and compartment covers or shields, isolation resistor-capacitor networks, mechanical
insulators, etc.
3. AC Leakage Current Check
Always perform the AC Leakage Current Check on the exposed metal parts, including metal cabinets,
screwheads and control shafts, as follows:
a) Plug the AC line cord directly into a rated AC outlet. Do not use an isolation transformer during the
check.
b) Use an AC voltmeter with at least 5000 ohms per volt sensitivity as follows:
Connect a 1500 ohms, 10 watt resistor paralleled by a 0.15uF AC capacitor in series with all ex-
posed metal cabinet parts and a known earth ground, such as electrical conduct or electrical ground
connected to earth ground, as shown in the Figure 1-1. Measure the AC voltage across the combi-
nation of resistor and capacitor.
1

0.15ufd
1500 ohm 10 watt
To exposed metal
Cabinet part
To known
Earth ground
Figure 1-1. Set Up For AC Leakage Current Check
c) Reverse the AC plug at the AC outlet and repeat the steps for AC voltage measurements for each
exposed metal part.
d) Voltage reading must not exceed 0.3 volts RMS, equivalent to 0.2 milliampere AC. Any value ex-
ceeding this limits ill constitute a potential shock hazard and must be corrected immediately
1-1-1 Product Safety Notices
Many electrical and mechanical parts in this chassis have special safety-related characteristics which are
often not evident from visual inspection. The protection afforded by them may not be obtained by replac-
ing them with components rated for higher voltage, wattage, etc. Before replacing any of these
components, consult the Recommended Spare Parts List given at the end of this manual. Any of the
replacements that do not provide the same safety characteristics may result in shock, fire, X-ray emission
or other hazards.
1.2 Servicing Precautions
Warning: An electrolytic capacitor installed with the wrong polarity might explode.
Caution: Before performing servicing covered by this service manual, read and follow the Safety Precau-
tions section of this manual.
Note: If unforeseen conflict between the following servicing precautions and of the safety precautions,
always follow the safety precautions
1. Follow closely the servicing precautions printed on the monitor cabinet and chassis.
2. Always unplug the AC power cord from the AC power source before removing or installing any compo-
nent or assembly, disconnection PCB plugs or connectors and connecting a test component in parallel
with a capacitor.
3. When replacing parts or circuit boards, clamp the lead wires around the unit before soldering.
4. When replacing a high wattage resistor (>0.5W metal oxide film resistor) in the circuit board, keep the
resistor about 1 cm (1/2 inch) away from the circuit board.
5. Keep wires away from the high voltage or high temperature components.
6. Keep wires in their original positions so as to minimize interference.
7. Always connect a test instrument’s ground lead to the instrument chassis ground before connecting the
positive lead; always remove the instrument’s ground lead last.
2

Monitor
Specifications MultiSync 75F
AccuSync 75F Notes
Picture Tube
Dia
g
onal:
Viewable Ima
g
e Size: 43cm(17inch)
41cm(16inch) 90° deflection
,
0.25mm trio dot pitch
,
medium
short persistence phosphor, multi-layered,
anti- static screen coating, semi-tint screen,
Invar Shadow Mask and OptiClear screen.
(
AS75F: 0.24-0.28 mm variable
(
dia
g
onal
)
flat
dot pitch, 0.20-0.25 mm variable(horizontal)
flat dot pitch.)
Input Si
g
nal Video:
S
y
nc: ANALOG 0.7Vp-p/75 Ohms Separate sync. TTL Level
Horizontal sync. Positive/ Negative
Vertical sync. Positive/Negative
(MS75F: Composite sync. (Positive/Negative) (TTL Level)
Displa
y
Colors Analo
g
input: Unlimited number of Colors Depends on display card used.
Synchronization
Range Horizontal: Vertical: 31 kHz to 70 kHz
55 Hz to 120 Hz Automatically Automatically
Resolutions Supported
Resolution based on horizontal and
vertical frequencies only
640 ×480 @ 60 to 120 Hz
800 ×600 @ 55 to 110 Hz
832 ×624 @ 55 to 106 Hz
1024 ×768 @ 55 to 87 Hz ……
1152 ×870 @ 55 to 77 Hz
1280 ×1024 @ 55 to 66 Hz
Some systems may not support all modes
listed.
NEC-Mitsubishi Electronics Display cites
recommended resolution at 85 Hz for optimal
display performance.
Active Displa
y
Area
(
Factor
y
Settin
g)
Horizontal:
Vertical: 310 mm/12.2 inches
232 mm/9.1 inches Dependent upon signal timing used, and does not include border area.
Active Display Area
(Full Scan) 325 mm/12.8 inches
243 mm/9.6 inches Dependent upon signal timing used, and does not include border area.
Power Supply AC 100 - 240V, 50 - 60Hz
Current Rating 1.5A @ 100 - 240V
Dimensions 403(W) ×420(H) ×420(D) mm
15.9
(
W
)
×
16.5
(
H
)
×
16.5
(
D
)
inches
Weight (Net) 16.4 kg
36.8 lbs
Environmental Considerations
Operatin
g
Temperature:
Humidit
y
:
Altitude:
Stora
g
e Temperature:
Humidit
y
:
Altitude:
0° C to + 35° C
30% to 80%
0 to 3000 m
-20° C to + 60° C
10% to 90%
0 to 13700 m
Specifications
NOTE: Technical specifications are subject to change without notice.
3

PIN ASSIGNMENT
1 2 3 4 5
6 7 8 9 10
11 12 13 14 15
PIN NO. Mini D-SUB-15P
1RED
2 GREEN
3BLUE
4 GROUND
5 GROUND
6 RED GROUND
7 GREEN GROUND
8 BLUE GROUND
9+5Vin
10 GROUND
11 GROUND
12 SDA
13 H.SYNC.
14 V.SYNC.
15 SCL
4

CONTROLS
”SELECT”: To display OSM windows, mode changes, or activate the degaussing or OSM window
color selection.
CONTROL BUTTON (-,+): Without OSM — Adjust the contrast.
With OSM — Select icon and adjust.
”RESET”: Return the adjustment item to the factory setting.
Power indicator LED: The LED indicate Power management state.
POWER SWITCH: Push/push to turn the monitor on and off.
Power input: To connect with the power cord.
Signal input with the captive cable: To connect with personal computers’ analogue RGB output.
5







OSD OPERATION
lFUNCTION VALUE ADJUSTMENT
If OSD off, press UP key to increase Contrast value,
press DOWN key to decrease Contrast value.
press SELECT key to display OSD and Brightness icon is active (Fig. 1)
Press UP key or DOWN key to select icon right or left and the selected icon display red color
If selected icon is DAC out, press SELECT key will display DAC value bar (fig 2)
User can press UP key or DOWN key to adjust DAC value.
Press SELECT key to close DAV value bar and UP key or DOWN key to select the other icon.
lSPECIAL FUNCTION OPERATION
1. Degauss Active
If selected icon is degauss icon, press SELECT key to activate degauss (Fig. 3).
Fig. 1
Fig. 2
Fig. 3
6

2. Color Temperature Select
If selected icon is 9300/7500/6500/user color icon, press SELECT key to select Color Temperature for
9300, 7500, 6500 or user defined (Fig 4 – 7).
3. OSD Color Select
If OSD icon is selected, press SELECT key to change OSD color, there are three kinds of OSD color
can be selected (Fig. 8 – 10).
Background white blue black
Action icon red red red
Normal icon black white white
Value bar blue yellow green
4. SYNC OSD Display
If EXIT icon is selected, press SELECT key to close OSD menu and then display sync information for 2
sec. This sync information will not be close until release SELECT key (Fig. 11).
Fig. 4 Fig. 5
Fig. 6 Fig. 7
Fig. 8 Fig.9 Fig. 10
Fig. 11
7

5. Factory mode
Press SELECT key + UP key and power on, system enter factory mode.
OSD will display “FA” to indicate in factory mode (Fig. 12 – 13).
Operation of factory mode is same as normal mode except below 2 condition:
a. Adjustment value is saved to user and factory area.
b. R, G, B value are saved to current color temperature.
P2 Self Test Pattern Select
P1: Full White Pattern
P2: Cross Hatch Pattern
NP: No Pattern (Power Saving)
SS Sub Size Do not adjust.
OSD Position H
OSD Position V
VL Vertical Linearity IN ↔↔
↔↔
↔OUT
VB Vertical Linearity Balance Top ↔↔
↔↔
↔Bottom
HM Horizontal Moire: Minimum
VM Vertical Moire: Minimum
HC Side Pin Corner
HF Horizontal Dynamic Focus: Min
VF Vertical Dynamic Focus: Max
AB ABL Adjustment
8
Fig. 12 Fig. 13

Function explanation
OSD(On-screen Display) control buttons on the front of the monitor function as follows:
SELECT Enters and exits the OSD menu.
− / +− / +
− / +− / +
− / + Selects one of the controls and increases or decreases the adjustment.
RESET Resets the highlighted control to the factory Setting.
Press -/+button at the same time for approximately 1 sec.
Brightness: Adjusts the overall image and background screen brightness.
Contrast: Adjusts the image brightness in relation to the background.
(Contrast control is also effective with “-, +” button even through OSD window is not
visible.)
R Red Color Control: Adjust the red contrast of the display.
G Green Color Control: Adjust the green contrast of the display.
B Blue Color Control: Adjust the blue contrast of the display.
Horizontal position: Moves the image horizontally left or right.
Vertical position: Moves the image vertically up or down.
Horizontal size: Decreases or increases the horizontal size of the image.
Vertical size: Decreases or increases the vertical size of the image.
The Geometry controls allow you to adjust the curvature or angle of the sides of your display.
Pincushion/Barrel: Decreases or increases the curvature of the sides either inward or
outward.
Trapezoid: Decreases or increases the bottom of the screen to be the same as the top.
Parallelogram: Decreases or increases the tilt of the sides either to the left or right.
Bow (Pincushion Balance): Decreases or increases the curvature of the sides either left
or right.
Rotation: Rotate the image.
9

Degauss: Select the degauss icon on “Icon select window” and push “SELECT” button.
It will eliminate the stray magnetic field and correct the scan of the electron beam, which
affect the purity, focus, convergence.
Note: Allow a minimum interval of 20 minutes to elapse between uses of the degauss function.
9300K Color Temperature: Select the Color Temperature icon on “Icon Select Window” and
push “SELECT” button.
OSD: There are 3 background colors (Blue, Black, and white). These can be selected by
“SELECT” button after the selection of “OSM” on “Icon select window”.
exit EXIT: To exit the OSM window. Select EXIT on “Icon select window”, then push “SELECT”
button.
Note: If you do not push buttons within 10 seconds in OSD condition, the window will
automatically disappear.
Horizontal Moire Canceler: Reduces horizontal moire levels.
Vertical Moire Canceler: Reduces vertical moire levels.
10

SERIAL NUMBER INFORMATION
Refer to the serial number information shown below.
Ex.) SERIAL NUMBER LABEL
Manufactured Year :
( Last digit )
Manufactured Month :
January to September 1 to 9
October X
November Y
December Z
Factory mark :
NPG CHINA “Y”
MODEL MS75F/AS75F
SERIAL No. ∗∗∗∗∗∗∗∗∗
00001 ~ on ward
(Start from 00001 ~ when
month is changed.)
Control Code ··· J
1Y1X0000
11

DISASSEMBLY
Cabinet Back
Hitting Position
Cabinet Back
Fig. 1
MAIN BOARD and CRT BOARD
12
Cabinet Back
Screw “b”
CRT BOARD ASSY
MAIN BOARD ASSY
CRT
1. Turn the monitor CRT face down on a clean static
free surface to prevent scratching CRT face.
2. Remove the screw “b”.
3. Raise the signal cable vicinity of a cabinet back
and lightly hit part (figure 1 reference) of a top of
the cabinet back and remove the cabinet back.
1. Unsolder the GND wire from MAIN BOARD ASSY
2. Disconnect the connector “P201”, “P202”, “S204”
and “S205” from the CRT BOARD ASSY
3. Disconnect the CRT BOARD ASSY from the CRT
4. Disconnect the connector “S301” and “P102” from
the MAIN BOARD ASSY.
5. Remove the Anode Cap from the CRT.
NOTE:
Carefully discharge the CRT anode by shorting it to
ground before removing Anode Cap.
6. Lift up the MAIN BOARD ASSY from the Cabinet
Front ASSY.

TABLE OF CONTENTS
Page
(1) Adjustment & Inspection Tools......................................................................................................... 14
(2) Timing Table ..................................................................................................................................... 14
(3) Definition for Normal Condition ........................................................................................................ 14
(4) Hot Key Operation............................................................................................................................ 14
(5) B+ Adjustment .................................................................................................................................. 15
(6) X-ray Test ......................................................................................................................................... 15
(7) H.V. B+ Adjustment.......................................................................................................................... 15
(8) H-Raster Center Adjustment ............................................................................................................ 15
(9) Pre-Adjustment................................................................................................................................. 15
(10) White Balance Adjustment ............................................................................................................. 15
(A) Setting........................................................................................................................................... 15
(B) Cut Off Adjustment........................................................................................................................ 16
(C) White Balance Adjustment (Factory Auto Adjustment) ................................................................ 16
(D) “sRGB MODE” White Balance Adjustment .................................................................................. 16
(11) Convergence Adjust ....................................................................................................................... 16
(12) Power Saving Function Inspection................................................................................................. 16
(13) Geometry Adjustment..................................................................................................................... 17
(14) DDC 1/2B Writing and Inspection .................................................................................................. 17
(15) Setting Before Shipment ................................................................................................................ 18
(16) Adjustment Magnetic Field............................................................................................................. 18
(17) Timing Sheet .................................................................................................................................. 19
Reference
Distortion Adjustment............................................................................................................................. 23
Inspection of PnP communication and Writing EDID to EEPROM and inspection of PnP communication
............................................................................................................................................................... 26
ADJUSTMENT SPECIFICATIONS
13

AS75F/MS75F Adjustment Specifications Ver. 1.0
2001,10,3
(1) Adjustment & Inspection Tools:
(A) Color Analyzer (B) Signal Generator CHAROMA 2135
(C) Multi Meter (D) Hi-Voltage Probe
(E) Convergence Meter (F) Demagnetizer Probe
(G) Power Meter (H) Automatic Alignment System
(I) DDC write & inspection system
(2) TIMING TABLE(Factory Mode -20 MODES)
(3) Definition for Normal Condition
(A) Input AC Voltage 110V/60HZ.
(B) Warm up time minimum30 minutes.
(C) Full White Pattern. See (4)-(C) Aging Mode.
(D) ALL VR’s Adjust Center Position.
(E) Color temperature setting: 9300K
(F) OSD I-CON [R], [G], [B] gain control bar center position in Factory Mode
(4) Hot Key Operation
(A) Factory Mode: SELECT Key + UP (+) Key if pressed when the power SW on.
(OSD Position Control Mode is in Factory Mode Menu)
(B) Auto Alignment mode and DDC 2B Writing/Inspection Mode: Down (-) Key if pressed when
the power SW on.
MODE RESOLUTION H-SYNC EREQ. V-SYNC FREQ H . POLARITY V . POLARITY
1 VGA350 31.5KHz 70Hz + -
2 VGA400 31.5kHz 70Hz - +
3 VGA480 31.5KHz 60Hz - -
4MAC
¢º
35K 35.0KHz 66Hz - -
5 800*600(56) 35.2KHz 56Hz + +
6 8514A 35.5KHz 87Hz + +
7 640*480(75) 37.5KHz 75Hz - -
8 EVGA400 37.8KHz 84Hz - +
9 800*600(60) 37.8KHz 60Hz + +
10 640*480 43.3KHz 85Hz - -
11 800*600(75) 46.8KHz 75Hz + +
12 1024*768(60) 48.3KHz 60Hz - -
13 MAC¢º 49K 49.7KHz 74Hz - -
14 800*600(85) 53.6KHz 85Hz + +
15 1024*768(70) 56.4KHz 70Hz - -
16 1024*768(75) 60.0KHz 75Hz + +
17 640*480(120) 63.7KHz 120Hz - -
18 1280*1024(60) 64.0KHz 60Hz + +
19 800*600(100) 64.0KHz 100Hz + +
20 1024*768(85) 68.6KHz 85Hz + +
14

(C) Auto Function Test Mode : UP (+) Key if pressed when the power SW on.
Mode 1: Out put the maximum and minimum value of DAC for each control if the video
signal comes in.
Mode 2: Out put the Cross Hatch Pattern for 1 munites if the Signal Cable is not connected
(5) B+ Adjustment
(A) MODE: No. 12.
(B) Pattern: Full white. (Brightness just cut off)
(C) Adjust VR101 to make the cathode of D112 has 13.6V.
(D) Check other power source should be 82 + 2V, 6.2V + 0.3V, 49V + 1.5V, -11.5V + 0.5V.
(6) X-RAY Test
(A) Mode: No.12
(B) Pattern: Normal Crosshatch (Brightness just cut off)
(C) Test
Apply a resistor(39K, 1/4W, 1%) between TP1 and TP2 then power on, Monitor should be
active in X-Ray protector.
(7) H. V. Confirmation
(A) Mode: No. 12
(B) Pattern: Full Black (Brightness just cut off)
(C) Check the high voltage is 25.5 + 0.5kV.
(8) H-Raster Center Adjustment
(A) Mode: No. 18
(B) Pattern: Crosshatch Reverse
(C) Adjust the Brightness Control that the background can be visible.
(D) Change VR301 to make the back ground should be center off the CRT.
(9) Pre-Adjustment
(A) Mode: No. 12
(B) Pattern: Crosshatch
(C) Enter to Factory mode. Adjust H-phase, V-center, H-size, V-size, Pincushion, Trapezoid,
Bow, Parallelogram and rotation to make Picture Position Center and Picture Size
310*232mm.
(10)White Balance Adjustment
(A) Setting
Enter Factory Mode,
Mode: No. 12, Pattern: Full White.
Warm up 30 min.
Make External Degauss.
For SRGB adjust, please change mode to No.20.
15

(B) Cut Off Adjustment
1. Select the color Mode 9300K
2. Cut Off Adjustment: Video Signal Off (0.vp-p), Bright Control set to Mex., Adjust the G2,
at the Brightness 1~1.5FL. (3.4~5.1 cd/m2)
3. Adjust VR210, VR230 and VR250 to make X=283, Y=297, with readjusting G2 to keep
the brightness between 1~1.5FL (3.4~5.1 cd/m2).
(C) White Balance Adjustment (Factory Auto Adjustment)
1.9300K (Select the color Mode 9300K)
1) 50*50mm Green block Pattern, Brightness Control set to Max, Contrast Control set
to Max, Adjust [G] gain control to Y=45FL. (154 cd/m2)
2) Change Pattern to Full White, Brightness control set to Min.
3) Adjust [R] gain control, [B] gain control to X=283, Y=297 at the contrast control is
adjusted 15FL (52cd/m2).
4) Check the color tracking shall be X=283+15, Y=297+15 between Y=5~25FT-L
(17~86cd/m2) condition.
2.7500K (Select the color Mode 7500K)
1) 50*50mm Green block Pattern, Brightness Control set to Max, Contrast Control set
to Max, Adjust [G] gain control to Y=42FL. (144 cd/m2)
2) Change Pattern to Full White, Brightness control set to Min.
3) Adjust [R] gain control, [B] gain control to X=300, Y=315 at the contrast control is
adjusted 15FL (52cd/m2).
3. Maximum Brightness Adjustment for 9300K and 7500K mode
1) Select 9300K mode.
2) Brightness control set to Max., Contrast control set to Max.
3) Adjust “AB” in Factory mode to Y=31FL (105cd/m2).
(D) “sRGB MODE” White Balance Adjustment (Select the color Mode sRGB)
1. Set “AB”(sRGB) to 150 counts of control bar. (Total 255)
2. Video Signal off (0 Vp-p), Contrast set to Max., Adjust Brightness to 0.1 cd/m2.
3. Change Pattern to 50*50 mm Green block, Adjust [G] gain control to Y=75 cd/m2 (22FL).
4. Change Pattern to 50*50 mm White block, Adjust [R] gain and [B] gain to X=313, Y=329.
5. Adjust contrast control to Y=88 cd/m2 (25.7FL).
(11) Convergence Adjust
(A) Mode: No. 12
(B) Pattern: Crosshatch.
(C) Use the convergence meter to check whether the convergence is within spec.
Adjust the CPC Magnet to make the convergence within spec.
(12)Power Saving Function Inspection
(A) Mode: No. 12
(B) Pattern: Any Pattern
16

(C) Inspection
1. It should be into power off Mode when the both horizontal sync and vertical sync are
disable after 4 sec. Check the LED color “Orange” and the power consumption must be
less than 5W.
2. The picture should be recovered readable within 3 seconds when the both horizontal
sync and vertical sync are enable. Check the LED color “Green”.
(13)Geometry Adjustment (Factory Auto Alignment)
(A) Power on with press (-) key.
(B) Adjust H-size, V-size, H-phase, V-phase, Pincushion, and Trapezoid for all preset signals.
(C) Adjustment data are automatically stored into the factory-preset memory after 1 sec.
Note: For the factory auto alignment, Mode No. 2, 3, 7, 9, 10, 11, 12, 14, 15, 16, 17, 19, 20 shall
be adjusted. Other modes can be used the calculated average value.
(14)DDC 1/2B Writing and Inspection
(A) Power on with press (-) key. Any Mode, Any Pattern.
(B) Connect the MICON Tech. DDC Read/Write System.
(C) Scan bar code label and apply serial NO. to EDID Data.
17
EDID data Table
AS75F
0123456789ABCDEF
00 00 FF FF FF FF FF FF 00 38 A3 CF 5D 01 01 01 01
10 0A 0A 01 03 0C 21 18 78 EA 57 98 A4 52 46 97 24
20 11 48 4C FF EE 00 31 59 45 59 61 59 71 4A 81 40
30 01 01 01 01 01 01 EA 24 00 60 41 00 28 30 30 60
40 13 00 36 E8 10 00 00 1E 00 00 00 FD 00 37 78 1F
50 46 0B 00 0A 20 20 20 20 20 20 00 00 00 FC 00 41
60 63 63 75 53 79 6E 63 20 37 35 46 0A 00 00 00 FF
70 00 30 33 30 30 30 30 31 59 41 0A 20 20 20 00 3C
MS75F
0123456789ABCDEF
00 00 FF FF FF FF FF FF 00 38 A3 D1 5D 01 01 01 01
10 0A 0A 01 03 0C 21 18 78 EA 57 98 A4 52 46 97 24
20 11 48 4C FF EE 00 31 59 45 59 61 59 71 4A 81 40
30 01 01 01 01 01 01 EA 24 00 60 41 00 28 30 30 60
40 13 00 36 E8 10 00 00 1E 00 00 00 FD 00 37 78 1F
50 46 0B 00 0A 20 20 20 20 20 20 00 00 00 FC 00 4D
60 75 6C 74 69 53 79 6E 63 20 37 35 46 00 00 00 FF
70 00 30 33 30 30 30 30 31 59 41 0A 20 20 20 00 B5
Note: Week code, Year code, Serial No. depend on the Serial No. Label.