Panasonic KX-TG8421EB Service Manual page 50

KX-TG8421E/KX-TG8422E/KX-TG8423E/KX-TG8424E/KX-TGA840E
Items
(M)* Frequency Drift Confir-
mation
(N)* Sensitivity Receiver
Confirmation
(O)* Timing Confirmation
(P)* Power RAMP Confirma-
tion
Check
Point
- Follow steps 1 to 6 of (J).
ANTI_TP 7.Confirm that the frequency drift is < ± 35 kHz/ms.
- Follow steps 1 to 6 of (J).
ANTI_TP 7.Set DECT tester power to -90 dBm.
8.Confirm that the BER is < 1000 ppm.
- Follow steps 1 to 6 of (J).
ANTI_TP 7.Confirm that the Timing accuracy is
• ± 5.0 ppm (When adjust the frequency of CLK in item (G)).
• ± 15 ppm (When do not adjust the frequency of CLK in item (A)).
- Follow steps 1 to 6 of (J).
7.Confirm that Power RAMP is matching.
Procedure
50
Check or
Replace Parts
IC7,
C802~C806,
C808~C814,
C820, C819,
C822, C823,
C825, C827,
C826, C834,
C851, C853,
C859~C861,
DA801, DA802,
IC801,
L801~L803,
C855~C858,
R801~R807,
R106, R109,
Q9, C617
IC7,
C802~C806,
C808~C814,
C820, C819,
C822, C823,
C825, C827,
C826, C834,
C851, C853,
C859~C861,
DA801, DA802,
IC801,
L801~L803,
C855~C858,
R801~R807,
R106, R109,
Q9, C617
IC7,
C802~C806,
C808~C814,
C820, C819,
C822, C823,
C825, C827,
C826, C834,
C851, C853,
C859~C861,
DA801, DA802,
IC801,
L801~L803,
C855~C858,
R801~R807,
R106, R109,
Q9, C617
IC7,
C802~C806,
C808~C814,
C820, C819,
C822, C823,
C825, C827,
C826, C834,
C851, C853,
C859~C861,
DA801, DA802,
IC801,
L801~L803,
C855~C858,
R801~R807,
R106, R109,
Q9, C617