Sharp SD-AT50 Service Manual

Also see for SD-AT50: Operation manual

SD-AT50No. ?????????????CONTENTSPageIMPORTANT SERVICE NOTES (FOR U.S.A. ONLY) ....................................................................................................... 2SPECIFICATIONS ............................................................................................................................................................. 2NAMES OF PARTS ........................................................................................................................................................... 3DISASSEMBLY .................................................................................................................................................................. 5ADDITIONAL DESCRIPTIO ............................................................................................................................................... 7ADJUSTMENT ................................................................................................................................................................... 8DESCRIPTION OF CIRCUIT FOR 1-BIT UNIT ................................................................................................................. 8TO CHECK AND CANCEL PROTECT CIRCUIT DETECTION LINE ................................................................................ 9NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 10TYPES OF TRANSISTOR AND LED ............................................................................................................................... 10BLOCK DIAGRAM ........................................................................................................................................................... 11SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD ............................................................................................. 20VOLTAGE ........................................................................................................................................................................ 45WAVEFORMS OF 1-BIT CIRCUIT .................................................................................................................................. 46FUNCTION TABLE OF IC ................................................................................................................................................ 47FL DISPLAY ..................................................................................................................................................................... 51REPLACEMENT PARTS LIST/EXPLODED VIEWPACKING OF THE SET (FOR U.S.A. ONLY)SERVICE MANUALThis document has been published to be usedfor after sales service only.The contents are subject to change without notice.SHARP CORPORATION• In the interests of user-safety the set should be restored to itsoriginal condition and only parts identical to those specified beused.1-BIT DIGITAL HOME THEATERMODEL SD-AT50