– 1 –CD-BA250H/CD-BA2600HNo. S4126CDBA250HCONTENTS PageSAFETY PRECAUTION FOR SERVICE MANUAL ........................................................................................................... 2IMPORTANT SERVICE NOTES (CD-BA250H FOR U.K. ONLY) ..................................................................................... 3SPECIFICATIONS ............................................................................................................................................................. 3NAMES OF PARTS ........................................................................................................................................................... 4OPERATION MANUAL ...................................................................................................................................................... 6DISASSEMBLY ................................................................................................................................................................ 11REMOVING AND REINSTALLING THE MAIN PARTS ................................................................................................... 14ADJUSTMENT ................................................................................................................................................................. 15BLOCK DIAGRAM ........................................................................................................................................................... 19SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD .............................................................................................. 22VOLTAGE ........................................................................................................................................................................ 38NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 39TYPES OF TRANSISTOR AND LED ................................................................................................................................ 39WAVEFORMS OF CD CIRCUIT ...................................................................................................................................... 40TROUBLESHOOTING ..................................................................................................................................................... 41FUNCTION TABLE OF IC ................................................................................................................................................ 45FL DISPLAY ...................................................................................................................................................................... 51WIRING OF PRIMARILY SUPPLY LEADS (CD-BA250H FOR U.K. ONLY) .................................................................... 52REPLACEMENT PARTS LIST/EXPLODED VIEWPACKING METHOD (CD-BA250H FOR U.K. ONLY)• In the interests of user-safety the set should be restored to itsoriginal condition and only parts identical to those specified beused.SERVICE MANUALThis document has been published to be usedfor after sales service only.The contents are subject to change without notice.SHARP CORPORATIONMINI COMPONENT SYSTEMMODEL CD-BA250HCD-BA250H Mini Component System consisting ofCD-BA250H (main unit) and CP-BA250H (speaker system).MINI COMPONENT SYSTEMMODEL CD-BA2600HCD-BA2600H Mini Component System consisting ofCD-BA2600H (main unit) and CP-BA2600H (speaker system).• Note for users in U.K.Recording and playback of any material may require consentwhich SHARP is unable to give. Please refer particularly to theprovisions of Copyright Act 1956, the Dramatic and MusicalPerformers Protection Act 1956, the Performers Protection Acts1963 and 1972 and to any subsequent statutory enactments andorders.