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some of the writing is a bit blur but the part in the schmatic was great and i have fixed the machine thanks
 ;
Well.. I'd searched for this manual and although I found many copies online I was pleased to find your website with a well balanced pricing system and easy to search and follow links. That together with the very quick response time was just what I was looking for.. being a very impatient tech.. ;-) I had the service manual in front of me within a short time.
Bookmarked.. and you can bet I will always come here first for my service & user manuals..
best regards
Ed(Tony) Foley
G7WHK
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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.
The cellular phone and Bluetooth cannot be connected.
Check enter in a set screen of the telephone
NG
Check the power of IC901 (Bluetooth module)
NG
Confirm to IC901 (Bluetooth module) IC502 (the power of 3.3V)
OK Confirm to IC901 (Bluetooth module) the circuit of Q101,102,104,105,106,107,108
OK
Check how to connect by inquiry from the cellular phone
Confirm to NG IC901 (Bluetooth module) the circuit of Q101,102,104,105,106,107,108 ANT902 (Bluetooth module) Confirm to IC901 (Bluetooth module) the circuit of ANT902 (Bluetooth module)
OK
Check the link of Bluettoth steady or the BT mark on
NG
OK Confirm to connect Bluetooth with the cellular phone again
The receiving talk voice doesn't go out of the speaker.
Check connect it with the cellular phone
NG
Confirm to IC901 (Bluetooth module)
OK Check the sound of CD or radio OK
Check the call sound come to send it by telephone
Confirm to NG IC402 (DSP), IC501 (AMP), IC503 (Power AMP), J502 (Connector)
OK
Check the power of IC901 (Bluetooth module)
OK
NG
Confirm to the circuit of IC502 (the power of 3.3V) Confirm to the circuit of IC502 (the power of 3.3V) Confirm to the circuit of IC101 (CODEC) IC901 (Bluetooth module)
OK Check the power of IC101 (CODEC) OK Check the waveform of 9pin of IC101 OK
Check the waveform of 43pin of IC402(DSP)
NG
NG
NG
Confirm to the circuit of IC402 (DSP)
OK Confirm to the output of J502
-7-
PN-3001P PP-3001M
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