KX-TG7321CAC, KX-TGA731RUC - Panasonic Telephone Service Manual (repair manual). Page 47

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47
KX-TG7321CAC/KX-TGA731RUC
(M)* Frequency Drift Confir-
mation
-
ANTI_TP
Follow steps 1 to 6 of (J).
7.Confirm that the frequency drift is < ± 35 kHz/ms.
IC7, L7, C117, 
C118, C124, 
C125, R106, 
R109,DA1,
R802~R807, 
C837, C826, 
C822, C820, 
C832, C833, 
C123, C74, Q9, 
C617~C621, 
C65, IC801, 
D801, D802, 
C801~C804, 
C808~C814, 
L802~L804, 
C819, C834, 
C825
(N)*
Sensitivity Receiver 
Confirmation
-
ANTI_TP
Follow steps 1 to 6 of (J).
7.Set DECT tester power to -90 dBm.
8.Confirm that the BER is < 1000 ppm.
IC7, L7, C117, 
C118, C124, 
C125, R106, 
R109,DA1,
R802~R807, 
C837, C826, 
C822, C820, 
C832, C833, 
C123, C74, Q9, 
C617~C621, 
C65, IC801, 
D801, D802, 
C801~C804, 
C808~C814, 
L802~L804, 
C819, C834, 
C825
(O)*
Timing Confirmation
-
ANTI_TP
Follow steps 1 to 6 of (J).
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)).
IC7, L7, C117, 
C118, C124, 
C125, R106, 
R109,DA1,
R802~R807, 
C837, C826, 
C822, C820, 
C832, C833, 
C123, C74, Q9, 
C617~C621, 
C65, IC801, 
D801, D802, 
C801~C804, 
C808~C814, 
L802~L804, 
C819, C834, 
C825
(P)* Power RAMP Confirma-
tion
-
Follow steps 1 to 6 of (J).
7.Confirm that Power RAMP is matching.
IC7, L7, C117, 
C118, C124, 
C125, R106, 
R109,DA1,
R802~R807, 
C837, C826, 
C822, C820, 
C832, C833, 
C123, C74, Q9, 
C617~C621, 
C65, IC801, 
D801, D802, 
C801~C804, 
C808~C814, 
L802~L804, 
C819, C834, 
C825
Items
Check 
Point
Procedure
Check or 
Replace Parts
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