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HP High-Definition LCD TV Service Manual iii
Table of Contents
Important Service Safety Precautions.................................................................................................................1
Warnings and Cautions.................................................................................................................................... 1
Safe Handling and Servicing............................................................................................................................. 2
Repair Tips .................................................................................................................................................. 3
About Lead-Free Solder ................................................................................................................................. 3
Suggested Pb-Free Solder .............................................................................................................................. 4
Servicing of Surface-Mounted Devices (SMDs).................................................................................................. 4
Rework on Ball Grid Array (BGA) ICs.............................................................................................................. 5
Product Information and Specifications ..............................................................................................................6
Product Information .......................................................................................................................................... 6
Product Profile.............................................................................................................................................. 6
Specifications .................................................................................................................................................. 6
LCD Panel Module........................................................................................................................................ 6
General TV Specifications LT3200 and LT3700 ............................................................................................... 7
General TV Specifications LT4200 and LT4700 ............................................................................................... 9
I/O Connectors ......................................................................................................................................... 11
Factory Preset Display Modes ...................................................................................................................... 11
Controlling the Onscreen Display................................................................................................................. 12
TV Indicators and Controls .......................................................................................................................... 12
Remote Control .......................................................................................................................................... 13
TV Connectors ........................................................................................................................................... 14
Connectors................................................................................................................................................ 17
Basic Operation...........................................................................................................................................20
Basic Operation............................................................................................................................................. 20
OSD (On-Screen Display)
Functions – Simplemenu
......................................................................................... 20
OSD Functions – Fullmenu
........................................................................................................................... 21
Command Table RS232 .................................................................................................................................. 25
Return messages............................................................................................................................................. 31
Special command extension......................................................................................................................... 31
Replaceable Parts......................................................................................................................................... 32
Parts List by Model ..........................................................................................................................................32
Model LT3200 ............................................................................................................................................32
Model LT3700........................................................................................................................................... 33
Model LT4200........................................................................................................................................... 34
Model LT4700........................................................................................................................................... 35
Replacement Parts List Reference Pictures....................................................................................................... 36
Removal and Replacement.............................................................................................................................41
Equipment and Tools Needed for Removal and Replacement ............................................................................... 41
Tools......................................................................................................................................................... 41
After Service Checklist................................................................................................................................. 41
Basic Adjustment Settings ............................................................................................................................ 41