Sony MX-E501 service manual Memo

Page 36

MZ-E501

MEMO

36

Image 36

Contents Specifications MZ-E501Table of Contents DisassemblyDiagrams Exploded ViewsSection Servicing Notes Section General Location and Function of Controls GroupSection Disassembly Case ASSY, Holder AssyMechanism Deck Bracket AssyMain Board Optical PICK-UP Assy LCX-4ESection Test Mode Setting the Test ModeGeneral Manual Mode Overall Adjustment ModeHow to set the Manual mode SELF-DIAGNOSTIC Display Mode Self-diagnostic modeKEY Check Mode Sound Skip Check Result Display ModeSetting the Key Check mode EIBSection Electrical Adjustments Manual Power AdjustmentsReset NV Vc PWM Duty H adjustment method Electrical offset adjustment methodOverall CD and MO adjustment method Overall CD and MO adjustment items Resume clear methodMZ-E501 Section Diagrams WaveformsBlock Diagram Main BoardPrinted Wiring Board Main Section Side a SemiconductorPrinted Wiring Board Main Section Side B Side BOprledgh MZ-E501 2222 IC Block Diagrams IC301 TA2131FL ELIC901 XPC18A32FCR2 IC PIN Function Description Oprledgl XtestOprledrl MIFVSS3AVS2 Avss APCDSPVDD0 DSPVSS0DSPVDD2 DSPVSS1Spcu SpcvTEST1, TEST0 SSB CLKMCUVSS0 VL PWMLCD STB LCD RSTREC LED TSB SLV CHKSection Exploded Views Main SectionMechanism Section 5961Electrical Parts List Main SectionXPC18A32FCR2 Ver 1.1 Memo MZ-E501 How to distinguish the sets Before change After change¥ Signal path Main Board Main Board + Line Tantalums Schematic Diagram Main /3 See page 9 for IC Block Diagrams IC Block Diagrams IC901 XPC18A32FCR2 Signal C input from the optical pick-up detector IC601 CXD2671-207GA System Control AVS2 Avss DSPVDD2 188,189 Not used open 190 LCD STB 1uF 10% C102 126-246-11 IC XPC18A32FCR2 SWITCH, Tactile VOL− Revision History Ver Date Description of Revision