Panasonic KX-TGE240B

38
KX-TGE240/242/243/244/245/260/262/263/264/270/272/273/274/275/TG454/TG465/TGEA20/TGA20
10.1.5. Check Link
10.1.5.1. Base Unit
Cross Reference:
Power Supply Circuit/Reset Circuit (P.15)
Check the RF part (P.40)
Note:
Refer to Things to Do after Replacing X'tal (P.55)(P.61) for Base Unit.
*1 How to adjust the frequency of X501.
Check around Power Supply Circuit.
Does Base Unit connect to the properly working
Handset?
Check around X501 and RF module and adjust
clock frequency.
NO
NO
NO
NO
YES
YES
Is the voltage of VDD3 about 3.0V?
Check the RF part
Does the RF clock (CLK) oscillate at 10.368 MHz in
Base Unit Test Mode?
YES
Is the voltage of VDD1 about 1.8V?
YES
Base Unit is OK. Check Handset.
*1