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The content of the manual was not found on the Internet and was a hard find. I check the net for 5 hours until I came across this web-site. When I did find the book it Auto loaded into my IPAD PDF shelf for books for review at anytime. Overall I am satisfied with the book and it answered all my questions. This repair book is obsolete because the product I bout it for is pretty old. Thanks for the help with the download and even having the manual. Thanks 73's K5HRD
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Excellent manual including schematics. The service was great and the manual helped complete the job.
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It was magic after so many years to still be able to source this info. It was equally amazing to return my Pioneer receiver to it near new sound quality AFTER NEARLY 30 YEARS! Thank you for this ability!
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Very quick and easy website to use and fast download of manual, quality of manual is excellent and will be pleased to use this service again in the future, thanks so much!
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Easy and secure way to get a complete service manual of a vintage hifi component. Only some parts of the print copy are dificult to read. Nice price!
KX-TG2503CF
6.4.
6.4.1.
Check the RF Unit
Finding out the Defective Unit
Prepare HS Test Fixture and BU Test Fixture. Place the HS Test Fixture on the cradle of the base unit for checking, then confirm that they are linked. Place the handset for checking on the cradle of the BU Test Fixture, then confirm that they are linked. How to confirm the link is as follows; press the TALK button and confirm Handset in use is displayed on BU LCD.
6.4.2.
Handset Test Fixture for Base Unit
Test Fixture has two modes. 1. TEST mode: (RF Power Low mode) The switch of Test Fixture changed with TEST mode side. Then Test Fixture is in TEST mode. 2. Normal mode: (RF Power Normal mode) The switch of Test Fixture changed with Normal mode side. Then Test Fixture is in Normal mode. NOTE: Audio is coming from Receiver whether switch is TEST mode or Normal mode. This test simulates the handset is at very large distance from the base unit and the TX signal from handset to base is very small. Procedure: First place handset Test Fixture on base under test to charge (exchange security code); then remove handset from base after you hear a beep; then press TALK to operate. The LCD will show TALK. This means that the base unit sensitivity is OK. If a beep is not heard, Replace the RF unit. NOTE: 1) Only KX-TG2583C/2563C/2553C/2503C with marks HS Test Fixture can be used for troubleshooting. Regular KXTG2583C/2563C/2553C/2503C production samples do not have the switches needed for troubleshooting.
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