Haier HLC22R, Service Manual, Page: 2 / 55

2
WARNING
This service information is designed for experienced repair technicians only and is not designed for use
by the general public. It does not contain warnings or cautions to advise non-technical individuals of
potential dangers in attempting to service a product. Products powered b electricity should be serviced
or repaired only by experienced professional technicians. Any attempt to service or repair the product
deal with in this service information by anyone else could result in serious injury or death
.
CONTENT
1. SPECIFICATIONS…………………………………………………………………… ……………….. ..3
2. WAINING……………………………………………………………………………………… ………… 4
3. LOCATION OF CONTROLS AND COMPONENTS……………………………………… ……..….. 6
3.1. Board Location……………………………….. ……………… ……………………… …….……..6
3.2 Main Board & AV Board……………………………….. …………………………………… …….7
3.3 Power Board……………………………….. ………………………………………………… ……9
3.4 LCD Panel…………………..……………………………….. ……………………………
… ...….10
4. External Equipment Connections…………………………………………………………………..….11
5. OPERATION INSTRUCTIONS……………………………………… ………… ……………………….15
5.1 Front Panel Controls……………………………….. ……………………………………….15
5.2 Back Panel Controls……………………………….. ………….………..……. …………….16
5.3 Universal Remote Controller……………………………….. …..………………………….17
6. DISASSEMBLY INSTRUCTIONS……………………………………..…………….……………….18
6.1 Whole Machine………………………………………………...…………………….……….18
6.2 Support Stand Assembly……………………………………………..……... ……....……..19
6.3 Back Cabinet Assembly……………………………………..……….………………..…….20
6.4 Front Cabinet Assembly……………………………..………………………………..……..21
6.5 Miscellaneous Material Assembly………………………………….………………...…....… 21
7. MEASUREMENTS AND ADJUSTMENTS……………………………………………………….…22
8. WIRING CONNECTION DIAGRAM……………………………………………….. ………………29
9. TROUBLESHOOTING GUIDE…………………………………………………..…………....…...30
9.1. Simple check…………………………………………………………..……………….……...30
9.2. Power Supply Board failure check………………………………..……………………….……30
9.3. Main board failure check…………………………………………………………………….…. .31
9.4. Pannel failure ……………..………………………………………………………………...……31
10. MAINTENANCE……………………………………………………………………………...……34
11. CIRCUIT DIAGRAM…………………………………….….……… ……………………… …………. 34