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There are currently no product reviews.
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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.
2. The bell does not ring & page does not ring.
Can the base and handset be connected? OK NG See 3. The base and handset cannot be connected.
Press handset DIAL key while in TALK MODE. Can key touch sound be heard from the ringer? OK
NG
When the key of the handset is NG pressed, can the pulse output at pin 2 of IC606 be seen? OK
Check IC606.
At the Q609 collector, can the NG pulse wave be seen? OK
Check R667 and Q609.
Check RINGER Y601.
When the PAGE SW of the base is pressed, does pin63 of IC4 change from high to low? OK
NG Check R105 and S1.
Check IC4 and its peripheral circuit.
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