General Repair Procedure - HP ID5220N Service Manual

General Repair Procedure

Follow this general procedure in servicing the TV.
1. Use this manual's troubleshooting information to find the assembly that is the probable cause of the
observed/reported problem - see "Troubleshooting Flowcharts" on page 41 and "LED Error Codes" on
page 51.
2. Once you know the assembly to replace, use the "Part Replacement Chart" on page 9 to determine the
parts you'll need.
3. Use the following list to find the procedure for replacing the assembly.
4. When repair is complete, use the qualification procedures on page 57 to verify that the TV has been
returned to proper operating condition.
Procedures
•
"Removing the Rear Cover" - page 10
•
"Removing the Lamp Chassis Assembly" - page 11
•
"Opening the Chassis Assembly to Access the Power Supply and Ballast Module " - page 13
•
"Removing the Power Supply, Fan, and Lamp Ballast Modules " - page 15
•
"Removing the Power Supply Module" - page 19
•
"Removing the Lamp TV DCR and Main Board Modules " - page 20
•
"Removing the Fan Assembly" - page 23
•
"Removing the Light Engine" - page 25
•
"Removing the Light Engine Cooling Fan" - page 27
•
"Removing the Side I/O Module" - page 30
•
"Removing the Mask and Screen Assembly" - page 31
•
"Removing and Replacing the Fresnel and Lenticular Assembly" - page 33
•
"Removing and Replacing the Speakers" - page 34
•
"Removing and Replacing the Front Switch Assembly" - page 35
•
"Removing and Replacing the Front Button Assembly" - page 36
•
"Removing and Replacing the Front Button Mounting Assembly" - page 37
•
"Removing the Media Card Reader" - page 38
•
"Removing the Lamp Module" - page 39
8 Disassembly Procedures