Sony MX-E501 service manual How to distinguish the sets, Before change After change

Page 38

MZ-E501

How to distinguish the sets

Parts code of printed wiring board are changed.

	Before change		After change
Part No.	Description	Part No.	Description
1-681-868-11	MAIN BORD	1-681-868-12	MAIN BORD

Location of parts code on changed printed wiring board.

MAIN BOARD (SIDE B)

Before change: 1-681-868-11

After change: 1-681-868-12

2

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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-4EGeneral Section Test ModeSetting the Test Mode How to set the Manual mode Manual ModeOverall Adjustment Mode SELF-DIAGNOSTIC Display Mode Self-diagnostic modeSetting the Key Check mode KEY Check ModeSound Skip Check Result Display Mode EIBReset NV Section Electrical AdjustmentsManual Power Adjustments Overall CD and MO adjustment method Vc PWM Duty H adjustment methodElectrical offset 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 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