Marantz DV-9500 Sevice Bulletin

SERVICE BULLETIN

Level Application:

See below

Date: 10-Dec-2004 Model: DV9500

Page: 1 / 4 REF.NBR: MZ04-081

Subject:

No power or does not operate after display with

"MARANTZ"

[PHENOMENON]

When Power ON/OFF is repeated, intermittently no power or does not operate after the "MARANTZ" displayed

on FLD.

[REASONS]

When turn off the unit, Rewriting protection of Flash ROM becomes unstable and then the data in the Flash are
changed.

[SOLUTION]

[5 pcs of parts are changed on the PM01 PCB] and [Update Back End / PANEL software ]

As for the details, Please see page2/4, /4 and 4/4.

1-(1) POS.NO RU02, RU03 and RU04 (Chip Resistor 10K OHM +-5% 1/16W) are removed.
1-(2) A wire is added.
1-(3) Schottoky-diode (part no.: 00MHD20008020) is added.

2. Update Back End Software (firmware) version to [ B.0.34B ]. Update Disc part no.: 90M-DV9500BE2.

3. Update PANEL Software (firmware) version to [ P0.91 ]. Update Disc part no.: 90M-DV9500CDR

When the Unit is not turned on, please replace Q103 (part no. : 00MHS21AKM10F).

When the unit was not turned on or freezes, cannot read Update Disc, Q103 needs to be replaced.
When Q103 is replaced, the writing of DVD AUDIO ID is required.
Please see to the service manual page 33 to 37 about details of “9.WRITE-IN ID DATA FOR
DVD AUDIO PROCEDURE.

[NECESSARY PART]

1-(2) A wire
1-(3) Schottoky-diode (part no.: 00MHD20008020)

2. Update of the firmware Disc for Back End (part no.: 90M-DV9500BE2)

3. Update of the firmware Disc for PANEL (part no.: 90M-DV9500CDR)

[REMARKS]

1. This problem apply to the following week code.
DV9500 apply to 20000439xxxxxx.

2. This improvement has been done in the production week code 20000440xxxxxx and after.

Int.ref:

Approved by N.Sesnui Written by S.NAGAO

WQ-19 2 817

/additional rule 3 (1st Issue 2003-03-19)

1-(1) Remove RU02, RU03, RU04

DV9500 Service Bulletin REF.NBR: MZ04-081 page 2/4

PM01 PCB

RU02

RU04

RU03