Haier HLC15T, Service Manual

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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……………………………….. ……………………………..6
3.3 Power Board……………………………….. …………………………………………11
3.4 DC/DC Power Subassembly……………………………….. ……………………….12
3.5 LCD Panel……………………………….. ……………………………………………13
4. FEATURES AND TECHINICAL DESCRIPTION…………………………………………15
5. INSTALLATION INSTRUCTIONS…………………………………………………………18
5.1 External Equipment Connections………………………………….. ………………..18
5.2 HDMI Connections……………………………….. ……………………………………22
6. OPERATION INSTRUCTIONS…………………………………………………………….27
6.1 Front Panel Controls……………………………….. ………………………………….27
6.2 Back Panel Controls……………………………….. ………….………..…………….27
6.3 Universal Remote Controller……………………………….. …..…………………….28
7. DISASSEMBLY INSTRUCTIONS……………………………………..………………….36
7.1 Whole Machine………………………………………………...……………………….36
7.2 Base Subassembly……………………………………………..…….………………..37
7.3 Back Subassembly…………………………………………..……….………………..38
7.4 Screen bracket Subassembly……………………………..………………………….39
7.5 Front frame Subassembly…………………………………………….………………40
7.6 Wire Subassembly…………………………………………………………………….41
8. MEASUREMENTS AND ADJUSTMENTS………………………………………………42
9. BLOCK DIAGRAM AND CIRCUIT DIAGRAM…………………………………………..52
9.1 Block Diagram……………………………………………………………………………52
9.2 Circuit Diagram…………………………………………………………………………52
10. WIRING CONNECTION DIAGRAM…………………………………………………….53
10.1 Printed Circuit Board……………………………………………………….…………53
10.2 Wiring Connection DIGRAM………………………………………………………….53
11. TROUBLESHOOTING GUIDE…………………………………………………..……...53
11.1. Simple check…………………………………………………………..…………...53
11.2. PSU failure check…………………………………………………..………………54
11.3. DC/DC board failure check………………………………………………...……...55
11.4. Main board failure check…………………………………………………………. .55
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