Sharp 32LF-94EC, Service Manual, Page: 24 / 82

ii
AK53 D.O.C. Service Manual 22/03/2004
12.13.1.Description .................................................................................................................28
12.13.2.Features .....................................................................................................................28
12.13.3.Pin connections...........................................................................................................28
12.13.4.Block Diagram ............................................................................................................28
12.14.TCET1102G (IC801)..........................................................................................................29
12.14.1.Description .................................................................................................................29
12.14.2.Applications ................................................................................................................29
12.14.3.Features .....................................................................................................................29
12.15.MC44608 (IC804) ..............................................................................................................30
12.15.1.Description .................................................................................................................30
12.15.2.General Features ........................................................................................................30
12.15.3.Pin Connections ..........................................................................................................30
12.16.TL431 (Q816) ...................................................................................................................32
12.16.1.Description .................................................................................................................32
12.16.2.Features .....................................................................................................................32
12.16.3.Pin Configurations .......................................................................................................32
12.17.TFMS5360 ........................................................................................................................32
12.17.1.Description .................................................................................................................32
12.17.2.Features .....................................................................................................................32
13.AK53 CHASSIS MANUAL ADJUSTMENTS PROCEDURE ........................................................33
13.1.PRELIMINARY ...................................................................................................................33
13.2.SYSTEM VOLTAGE ADJUSTMENTS..................................................................................33
13.3.AFC ADJUSTMENTS .........................................................................................................33
13.4.FOCUS ADJUSTMENTS.....................................................................................................33
13.5.SCREEN ADJUSTMENT (VG2 ALIGNMENT) ......................................................................33
13.6.AGC (AUTOMATIC GAIN CONTROL).................................................................................33
14.AK53 CHASSIS PRODUCTION SERVICE MODE ADJUSTMENTS ............................................34
14.1.OPTIONS ...........................................................................................................................34
14.2.GEOMETRY .......................................................................................................................36
14.2.1.EW ALIGNMENT ..........................................................................................................36
14.3.VIDEO ALIGNMENTS .........................................................................................................44
14.3.1.VIDEO ADJUST............................................................................................................44
14.3.1.1.WHITE DRIVE ........................................................................................................45
14.3.1.2.MIN BRIGHTNESS .................................................................................................45
14.3.1.3.MIN CONTRAST ....................................................................................................45
14.3.2.COLOR ADJUSTMENT.................................................................................................46
14.3.2.1.Y DEL SEC BG, Y DEL SEC DK, Y DEL SEC L, Y DEL SEC AV:.............................46
14.3.2.2.Y DEL PAL BG, Y DEL PAL DK, Y DEL PAL I, Y DEL PAL M, Y DEL PAL AV : .......46
14.3.2.3.VIDDEC QTHR, VIDDEC STHR ..............................................................................46
14.4.SOUND RELATED OPTIONS ..............................................................................................47
14.5.FACTORY SETTINGS ........................................................................................................48
15.MENU LANGUAGES ................................................................................................................49
16.BLOCK DIAGRAM ....................................................................................................................50
17.CIRCUIT DIAGRAMS ................................................................................................................51