Sony MX-E501 service manual 2222

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MZ-E501

6-6. SCHEMATIC DIAGRAM – MAIN SECTION (3/3) – • See page 23 for IC Block Diagrams.

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IC B/D

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Contents Specifications MZ-E501Diagrams Table of ContentsDisassembly 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-4ESetting the Test Mode Section Test ModeGeneral Overall Adjustment Mode Manual ModeHow to set the Manual mode SELF-DIAGNOSTIC Display Mode Self-diagnostic modeSetting the Key Check mode KEY Check ModeSound Skip Check Result Display Mode EIBManual Power Adjustments Section Electrical AdjustmentsReset NV Electrical offset adjustment method Vc PWM Duty H 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 Semiconductor Printed Wiring Board Main Section Side B Side BOprledgh MZ-E501 2222 IC Block Diagrams IC301 TA2131FL ELIC901 XPC18A32FCR2 IC PIN Function Description Oprledrl OprledglXtest MIFVSS3DSPVDD0 AVS2 AvssAPC DSPVSS0Spcu DSPVDD2DSPVSS1 SpcvMCUVSS0 TEST1, TEST0SSB CLK VL PWMREC LED LCD STBLCD RST 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