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Great Manual! It contains all the wiring schematics and mechanical exploded views that are essential for service and repair. I was surprised I even found this for such an old machine. Only wish I knew of this site many years ago.
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Great manual very clear copied. You are making an incredible job. I appreciate a lot the rapidity and your efficiency. Thanks a lot
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Good pdf of the service manual for this unit. Includes disassembly instructions, full schematics, board layouts, parts lists and diagnostic information. Some information is in the pdf twice (single pages, and split pages), but that could be how it was originally generated by panasonic, or perhaps the idea is to make it eaiser to put onto 8.5 x 11" pages.
Information was exactly what I needed. Delivery was overnight (less than 12 hours) and I was happy with the process.
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5 STARS for FAST DELIVERY, BEST PRICES and QUALITY PRODUCT. Item was exactly as described with superb resolution. Will definitely source all my future requirements from this website. Thanks a lot owner-manual.com!
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OEM manual provided all schematics, board layouts and component specs necessary to facilitate unit maintenance. All pages were clear and readable.
TROUBLESHOOTING HINTS
1. The bell does not ring.
When the PAGE SW of the base is pressed, does the ringer on the handset ring? OK NG See 2. The bell does not ring & page does not ring.
When the TEL SG is joined with the base to make bell signal, is there pulse wave at pin 4 of IC4? OK
NG
Check IC4 and TEL network circuit.
Is there pulse wave at pin 21 of IC5? OK
NG
Check R58, C45 and R59.
Check IC5 and its peripheral circuit.
BASE UNIT
If you want to reset the unit to the factory settings 1) Set the T/P switch to TONE position. 2) Diconnect the AC adaptor and telephone line code from the base. 3) While pressing the �PAGE� key, plug the AC adaptor. Keep pressing the �PAGE� key for about 3 seconds. 4) Keep pressing the �PAGE� key, then the IN USE LED will light and the base unit will be reset.
HANDSET
Delection of the Caller ID memory To delete the Caller ID memory in the EEPROM, proceed with the folloing process: 1) Diconnect the battery from the connector. 2) Connect the battery with pressing and # buttons, and keep pressing the buttons continuously for about 3 seconds. 3) Keep pressing the buttones, and a beep tone will sound and TALK LED will light. 4) Press the �MEM� key, then the handset unit will be reset.
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