Haier HL55XZK22 Service Manual page 3

Service Manual
Model No.: HL55XZK22a
4-3. Power Supply Board ..............................................................16
4-3-1. Function description:............................................................................ 16
4-4. LCD Panel ...............................................................................18
4-4-1. Function Description: Display the signal........................... ................ ...18
Chapter 5. Installation Instructions......................21
5-1. External Equipment Connections.........................................21
5-2. HDMI Connections .................................................................24
Chapter 6. Operation Instructions ........................26
6-1. Side Panel Controls ...............................................................26
6-2. Back Panel Controls ..............................................................27
6-3. Setting Up Your Remote Control ..........................................28
Chapter 7. Electrical Parts.....................................29
7-1. Block Diagram ........................................................................29
7-2. Circuit Diagram.......................................................................30
7-3. Wiring Connection Diagram ..................................................47
Chapter 8. Measurements and Adjustments........48
8-1. Service Mode .........................................................................48
8-1-1.How to enter into Service Mode............................................................ 48
8-1-2.How to exit ............................................................................................ 48
8-2. Measurements and Adjustments ..........................................48
8-2-1. Version, S/N, Panel Resoution ............................................................ 48
8-2-2. Video.................................................................................................... 49
8-2-3. Audio.................................................................................................... 50
8-2-4. Channel ............................................................................................... 50
8-2-5. Gamma ................................................................................................ 52
8-2-6. Backlight .............................................................................................. 52
8-2-7. Function ............................................................................................... 53
Chapter 9. Trouble shooting..................................55
9-1. Simple check ..........................................................................55
9-2. Power Supply Board Failure Check......................................56
9-3. Mainboard Failure Check ......................................................57
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