Marantz PM-4200 Sevice Bulletin
Date: 15-May.-2003 Model: PM4200
x for information customer
Page: 1 / 1 REF.NBR:MZ03-012
SERVICE BULLETIN
Circulation: Application:
complaint in case of service
mandatory
...................
[PHENOMENON]
Input Selector of PM4200 works by the remote control of DVR7000 by Pioneer product.
The micro processor of PM4200 recognizes a code of the remote control for DVR7000 ,
Because there is a code of Pioneer product which looks like MD/TAPE code for RC5.
[SOLUTION]
Replace MICRO PROCESSOR IC61 on the U-COM / TONE & LED PCB .
See Below
Subject:
The unit works by the remote controller of
other company.
Int.ref:
[NECESSARY PART]
POS.NO IC61 *HU100670R
(FACTORY PART NO. HVIM37531E4FP)
(Delete part : *HU100530R FACTORY PART NO. BVIANAM1335A)
[REMARKS]
The countermeasure apply to this claim only.
The production of PM4200 has been finished.
WQ-19 2 817/additional rule 3 (1st Issue 2003-03-19)
Approved by S.NAGAO Written by
SERVICE BULLETIN
x for information customer
Circulation: Application:
Date: 17-Jul.-2002 Model: PM4200
Page: 1/2 REF.NBR: MZ02-009revision
Subject:
Problem with incorrect operation of MUTE.
complaint in case of service
mandatory
...................
[PHENOMENON]
The MUTE LED sometimes blinks and the sounds from output intermit.
[CAUSE]
Contact error between the bracket (Pos. No. 30) and the ground of INPUT/AMPLIFIER PCB (Pos. No. 29).
[SOLUTION]
(Revision)
Repair work was changed. This work is done without removing a circuit board.
Contact to the ground certainly by the wire with the lug.
Please refer to the processing figure of the next page and correct.
See below
Int.ref:
[NECESSARY PART]
The wire with the lug: (MJI Part No. YB00091620 or similar product)
[REMARKS]
This improvement has been done in the production line after.
The serial number MZ000149006651 and later. (PM4200/N1B/N2B)
The week code number MZxx0203xxxxxx and later. (PM4200/N1G/N2G)
AQ-19 2 817/additional rule 3 (first edition2002-03-12)
Approved by M.KIMURA Written by S.NAGAO
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