Marantz-ER2500-avr-sb1 维修电路原理图.pdf

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1、Approved by N.Sensui Written by S.NAGAO WQ-19 2 817/additional rule 3 (1st Issue 2003-03-19) Date: 20-Dec.-2004 Model: ER2500/N1S Page: 1 / 1 REF.NBR: MZ04-083 Subject: Level Application: Int.ref: PHENOMENON 1) In condition, the unit set TV TYPE PAL and then to select PROGRESSIVE SCAN ON MODE. 2) Wh

2、en Playback the NTSC DVD disc, NTSC PROGRESSIVE is outputted. (It should be PAL PROGRESSIVE out put. ) SOLUTION The firmware was fixed. 1) Update the firmware version to 0927A . The old version was 0721A Please see to the service manual page 8 about details of UPDATE PROCEDURE. First of all, please

3、check the firmware version. It can be confirmed on the “ 5. BACK END SOFTWARE (Firmware) VERSION CHECK ”. please refer to the ER2500 Service Manual on page 6 to 8 for the procedure. NECESSARY PART 1) Update of the firmware disc Part no.90M-ER2500CDR. 2) Update the firmware is attached to the e-mail.

4、 File name: 90M-ER2500CDR.zip (ER2500NI.ROM 2048 KB) Attention: Dont start Zip file from attached file. Please copy on your PC and be sure to use it after defrosting. REMARKS 1) This problem apply to the following serial number. ER2500/N1S from MZ000431000001 to MZ000439001400. This improvement has been done in the production serial number MZ000444001401 and after. 2) The following model has improved from the top of mass production. ER2500/S1S, ER2500/U1S. SERVICE BULLETIN Software Update Information. See Below Software Update 0927ARadioFans.CN 收音机爱 好者资料库