Marantz-PM4001-int-sb1 电路图 维修手册.pdf

Approved by N.Sensui Written by S.NAGAO WQ-19 2 817/additional rule 3 (1st Issue 2003-03-19) Date:18-July.-2006 Model: PM4001/PM4001F Page:1 / 1 REF.NBR: MZ06-027 Level Application: Subject: Int.ref: REASONS Under conditions of over voltage etc., the capacitors C901, C902 or C903 may be shorted and the thermal fuse of the power transformer will be blown. SOLUTION POS.NO. C901, C902, C903 (CER CAP. 0.1uF 50V ZF) are changed (FILM CAP 0.1uF 100V) on the INPUT & AMPLIFIER PWB. NECESSARY PART OLD NEW POS.NO. PART NO. (FOR EUR) PART NO. (MZ) PART NAME DESCRIPTION FACTORY CODE NO OLD C901 C902 C903 nsp nsp CER CAP. 0.1uF 50V ZF CCFT1H104ZF NEW C901 C902 C903 00MDF15104550 00MDF15104550 FILM CAP 0.1uF 100V CCME2A104JXT SERVICE BULLETIN Improvement of Reliability (Change the voltage endurance of the capacitor.) See below INPUT & AMPLIFIER PWB C901, C902, C903 0.1uF 100V RadioFans.CN 收音机爱 好者资料库 Approved by N.Sensui Written by S.NAGAO WQ-19 2 817/additional rule 3 (1st Issue 2003-03-19) PM4001/PM4001F Service Bulletin REF.NBR: MZ06-027 page 2/2 REMARKS 1. This problem apply to the following serial number. 1) PM4001/N1B apply to MZ0106xx007130 and earlier. This improvement has been done in the production serial number MZ0106xx007131 and after. 2) PM4001/N1S apply to MZ0106xx006550 and earlier. This improvement has been done in the production serial number MZ0106xx006551 and after. 3) PM4001/N1G apply to MZ0106xx000965 and earlier. This improvement has been done in the production serial number MZ0106xx000966 and after. 4) PM4001F (PM4001 OSE)/N1B apply to MZ0106xx001000 and earlier. This improvement has been done in the production serial number MZ0106xx001001 and after. 5) PM4001F(PM4001 OSE)/N1S apply to MZ0106xx001460 and earlier. This improvement has been done in the production serial number MZ0106xx001461 and after. RadioFans.CN 收音机爱 好者资料库