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There are currently no product reviews.
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Excellent high quality schematics brought my old Heidelberg back to life. Fast download at a reasonable price. Thanks.
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This document is just what I was looking for, it´s very useful, it contains adjustment procedures for the final stage of the power amp and also
has a complete wiring diagram and description of the main semiconductors used in the design.
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Dear Sirs,
Thank you for the fast support, the manual does provide all necessary information to repair the radio. All schematics are in a good quality for reading.
The manual fits 100% to my requirements as a technican.
Kind regards Thomas
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the big video recorder format s-vhs many features delicate in loading system of the cassette. Such machines are no longer manufactured, it would be too expensive.
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THIS MANUAL IS VERY GOOD AND VERY CLEAR
PLEASE NOTE IT DOES NOT CONTAIN THE SETUP INFORMATION TO ALIGHN THE GEARS IN THE CD MECH IT DOES SHOW ALL THE PARTS AND THEIR LOCATIONS .
DV-HR300S/HR350S DV-HR300H DV-HR300X
5-3. Notes for servicing
1. After replacing the HDD or main PWB, register the HDD-ID again. 2. After replacing I54R NOR flash (IC7502) or NAND flash (IC7509), upgrade the version using the CD. All the data in the HDD will be formatted by replacing the main PWB unit. The following parts cannot be replaced as the system information needs to be written. (Replace the PWB.) 1. EEPROM for I54R, IC7507 and IC7508 Setting procedure after replacement of HDD or main PWB 1) HDD installation The unit can be started after installing the HDD, but key operation is impossible since the HDD-ID is not registered. Perform HDD aging to register the HDD-ID. 2) HDD aging The test mode can be accessed after replacing the HDD. [1] Enter the test mode with the keys on the main unit (press the channel UP key and recording stop key simultaneously). [2] Enter �4� to open the drive screen. [3] Press the play key to enter the HDD aging mode. �0� appears on the LCD of the front panel. It increases to 58 and then changes to �777� when the aging is completed. Should �EEE� appear, replace the HDD and start the process over. Aging takes approx. 2.5 hours. [4] The aging is completed when �777� appears, and the HDD-ID is registered automatically. If the main PWB unit is replaced, enter the test mode and press the �10/0� key on the remote control to register the HDD-ID. [5] Restart the unit and check the operation. 3) Factory setting Initialize all the settings. Enter the test mode and press the �11� key on the remote control. The display stays black during the initialization process. Initialization is completed when the test mode appears on the LCD display following �507�.
5-4. Writing of software
1. Press the power key to turn on the power. 2. Open the tray with the tray open/close key and place the version upgrade CD. 3. Close the tray. Upgrade begins automatically. �200� appears on the main unit display. 4. When the upgrade finishes, the tray opens and �208� appears on the main unit display. 5. Turn off the power to complete the upgrade. � Upgrade the writer in the same way. In this case, �300� and �307� appear on the main unit display during the process.
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