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Hi-Fi Products

CSA-13

Service Bulletin
Sony Service Company - Technical Services A Division of Sony Electronics Inc. Sony Drive, Park Ridge, New Jersey 07656

Model:

DTC-57ES/59ES/60ES/670/690/750

No.

411

Subject: Test Modes Symptom: (**)

Date: September 28, 1994

How to enter test modes using a remote commander.

Solution:

Use the following procedure:

1. MECHANICAL OPERATION SERVICE MODE (DTC-57ES and DTC-670 only!) Mechanism operation without a cassette inserted.

ˇ ˇ

Set the TIMER switch to PLAY. While you press and hold the SKIP ID WRITE and START ID WRITE buttons, press POWER ON.

2. TEST MODE 1 Use a Modified RM-D55 (DTC-75ES/700 remote commander) P/N 1-465-312-11. Press the test button once (refer to : HOW TO MODIFY THE REMOTE FOR TESTING section).

(Continued)

Reference: Canada HiFi-94-032 Autoflagged - NO
PRINTED ON RECYCLED PAPER

PRINTED IN USA

Hi-Fi Products Service Bulletin No. 411

(Continued)

Hi-Fi Products Service Bulletin No. 411

3. TEST MODE 2 With a cassette inserted, Press'8' + '0....9' + TEST button on the modified remote commander.

*NOTE DTC-690 does not have the 10 H segment, therefore it is not possible to see the position of encoder switches SW1 and SW2. Also, the drum rotation time indication is limited to 999 H 59M Instead of 9999 H 59 M.

HOW TO MODIFY THE REMOTE FOR TESTING

ˇ ˇ ˇ ˇ ˇ

Remove the battery cover and batteries. On the back cover, pry the claws at the arrows outward and up. Remove the board and keypad. Drill a hole in the front panel between the RESET and A-B buttons to access the TEST button Reassemble the remote.

DISPLAY OF MECHANICAL OPERATION MODE

Filename: HFP0411.SB Directory: J:\SBDOC\SEP94 Template: C:\WINWORD\S_BULL.DOT Title: DTC Modification Subject: Author: Hoyt Wing Lee Keywords: Comments: Creation Date: 09/28/94 11:50 AM Revision Number: 2 Last Saved On: 09/28/94 11:50 AM Last Saved By: Hoyt Wing Lee Total Editing Time: 1 Minute Last Printed On: 04/01/96 10:55 AM As of Last Complete Printing Number of Pages: 3 Number of Words: 287 (approx.) Number of Characters: 1,641 (approx.)