Remove The Main Board; Remove The Power Board; Remove The Spearker; Remove The Keypad Assemly - Haier HL22F2 Service Manual

4-3. POWER Board
4-3-1. Function description:............................................................................ 16
4-4. LCD Panel
Chapter 5. Installation Instructions
Chapter 6. Operation Instructions
6-1. Front Panel Controls
6-2. Back Panel Controls
6-3. Setting Up Your Remote Control
Chapter 7. Electrical Parts
7-1. Block Diagram
7-2 .Wiring Connection Diagram
7-3. Circuit Diagram
Chapter 8. Measurements and Adjustments
8-1. Service Mode
8-1-1.How to enter into Service Mode............................................................ 40
8-1-2.How to exit ............................................................................................ 40
8-2. Measurements and Adjustments
8-2-1. Version, S/N, Panel Resoution ............................................................ 40
8-2-2. Video .................................................................................................... 41
8-2-3. Audio .................................................................................................... 42
8-2-4. Channel ............................................................................................... 42
8-2-5. Gamma ................................................................................................ 44
8-2-6. Backlight .............................................................................................. 44
8-2-7. Function ............................................................................................... 45
Chapter 9. Trouble shooting
9-1. Simple check
9-2. Power Supply Board Failure Check.
9-3. Mainboard Failure Check
9-4. Pannel Failure
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