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I will definitely be back for more information when I need it.
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The service manual when downloaded and printed out was clear and easy to read. I would have liked to have been able to enlarge some details, but this was not possible as the file permissions did not allow this. The service was very good. The time taken from placing my order to downloading the document was only a few minutes.
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The manual is useful for trouble shooting for an old instrument. It saved money,and let me enjoy DIY.
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Perfect source of information for replacing the HDD and performing general diagnostics.
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Perfect source of information for replacing the HDD and performing general diagnostics.
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8.6 PRECAUTION ON REPLACEMENT OF THE POWER SUPPLY UNIT
A
Attachment of the housing wire
The housing wire (J126) is attached to the P11 terminal of the POWER SUPPLY unit. As the housing wire is not provided with the POWER SUPPLY unit for service, when replacing the POWER SUPPLY unit, remove the housing wire (J126) from the old one and attach it to the new one. NEVER turn on the unit before replacement, as doing so may damage the PC boards or the product. Note: The wiring shown in the photo is different from the actual power supply unit, because the product in the photo is a prototype.
B
POWER SUPPLY unit
C
D
1
Disconnect the housing wire (J126) from the P11 terminal on the old POWER SUPPLY Unit. Housing wire (J126)
2
Connect the housing wire (J126) to the P11 terminal on the new POWER SUPPLY Unit. Housing wire (J126)
E
1
P11
2
P11
F
POWER SUPPLY unit (old)
POWER SUPPLY unit (new)
PDP-4280HD
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