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There are currently no product reviews.
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Quality scan of the actual service manual, just what I was looking for.
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Straightforward ordering process. Service manual scan was clear & easy to read. Very comprehensive instructions for alignment. Excellent, thank you.
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Fast, clear and useful. Important for me: the manual is in German.
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Very good quality. Some parts are not fully readable, but the fundamental ones are fine.
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very good quality readable manual,printed off very well.
2. The bell does not ring & page does not ring.
When the TALK key of handset is pressed. Does. The handset connected with Base.
NG
See part 3
OK When the PAGE key of BS is pressed . Dose the PIN11 of BU4 change from high to low. and PIN68 has not change.
NG
Check PAGE key and BR7.
OK Press PAGE key of HS. If there is a audio signal on PIN17 of BU6.
NG
Check the connected between BU4 and BU5.
OK Press PAGE key of BS. If there is a audio signal on PIN17 of HU6
NG
Check the connected between HU4 and HU5
OK Check the PIN of HD10 if there is a pulse signal. NG Check HQ4
OK The Buzzer is defective
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