Haier HL42R Service Manual

Also see for HL42R - 42" LCD TV: Owner's manual Owner's manual

Haier HL42R Service Manual Manual pdf 3 page image

3CONTENT1 .Warning ........................................................................................................................................................42. Specification.................................................................................................................................................63. LOCATION OF CONTROLS AND COMPONENTS ................................................................................73.1.Board Location ...................................................................................................................................73.2. Main Board.....................................................................................................................................73.2.1 Function Description ...............................................................................................................73.2.2 Connector definition................................................................................................................83.3 Power Board ..................................................................................................................................103.3.1 Function Description: .........................................................................................................103.3.2 Connector definition.............................................................................................................. 113.4 LCD PANEL. ................................................................................................................................123.4.1 Function Description: ............................................................................................................123.4.2 Connector definition..............................................................................................................124. INSTALLATION INSTRUCTIONS..........................................................................................................134.1 External Equipment Connections .....................................................................................................134.2 HDMI CINNECTIONS....................................................................................................................195. OPERATION INSTRUCTIONS ................................................................................................................225.1 Front panel controls..........................................................................................................................225.2 Back panel controls ..........................................................................................................................235.3 Setting Up Your Remote Control...................................................................................................246. DISASSEMBLY INSTRUCTIONS ...........................................................................................................256.1 whole machine..................................................................................................................................266.2 Base subassembly.............................................................................................................................276.3 Back cover subassembly ...............................................................................................................276.4 Screen bracket subassembly ..........................................................................................................286.5 Front-frame subassembly ..............................................................................................................286.6 Wire subassembly---- Connection Sketch Interpretat....................................................................296.6.1. Wire Photo............................................................................................................................296.6.2 Components List....................................................................................................................297. MEASUREMENTS AND ADJUSTMENTS.............................................................................................308. BLOCK DIAGRAM AND CIRCUIT DIAGRAM ....................................................................................338.1 BLOCK DIAGRAM ........................................................................................................................338.2 CIRCUIT DIAGRAM ......................................................................................................................339. WIRING CONNECTION DIAGRAM ......................................................................................................4910. TROUBLE SHOOTING GUIDE.............................................................................................................5010.1. Simple check .................................................................................................................................5010.1.1 LCD is not bright.................................................................................................................5010.1.2 No picture ............................................................................................................................5010.1.3 No sound..............................................................................................................................5110.2 PSU failure check........................................................................................................................5110.3 Panel failure.................................................................................................................................52