NEC Multi Sync EA221WM Service Manual page 5

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Procedure of monitor repair
Confirmation of
monitor version
Confirmation of
defective parts
Replacement of
defective parts
What are
replacement
parts ?
Appearance parts
or No (NPF)
Inspection of monitor
"SWAP" or "Repair and Return"?
Repair and Return
1
1. SERIAL NUMBER INFORMATION
2. TROUBLE SHOOTING
3. DISASSEMBLY
Electric parts
Was MAIN PWB
replacement ?
Yes
Writing of EDID/OSD data
6. Writing of EDID/OSD (Monitor Information) data
Adjustment of monitor
5. INSPECTION PROCEDURES
SWAP
Was LCD panel
replacement?
Yes
4. ADJUSTMENT PROCEDURES
2
Was Other parts
replacement ?
Yes

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