Denon PMA-2000MK4 Service Bulletin

100 Corporate Drive Mahwah, NJ 07430

Service Bulletin

No. : OST-C1014 Date:

May 3, 2007

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Model: PMA-2000mk4

Subject: Change of the MINI Transformer.

Symptom: The new MINI Transformer is not compatible with the old

transformer.

Solution:

transformer since the distance between the brackets to be inserted into the P. W. Board of the new MINI Transformer differs from the old Transformer. Therefore, please replace the P. W. Board with the new ones and be sure to change the peripheral circuit as outlined upon replacement of the MINI Transformer.

The new MINI Transformer is not compatible with the old

Parts:

Ref# Description Part Number

T101 AC outlet unit 1U-3432A-8

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CONFIDENTIALITY NOTICE:

• The P.W. Board unit (including New Transformer) and New Transformer after the change:

Modification of the Circuit:

(1) Remove JV124 (12.5 mm length) from the 1U-3130-2, and attach the following 22 ohms resistor.

(2) Replace Zener Diode ZD603 on the 1U-3130-2 with the following new Diode:

Serial Number Range:

(last 5 digits) Already applied from: 00851 ~

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CONFIDENTIALITY NOTICE: