50
KX-TG8421HGN/KX-TGA840FXN
(
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,
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
(
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,
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
(
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,
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
(
P
)* Power RAMP Confirma-
tion
-
Follow steps 1 to 6 of
(J)
.
7.Confirm that Power RAMP is matching.
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
Items
Check
Point
Procedure
Check or
Replace Parts
Содержание KX-TGA840FXN
Страница 2: ...2 KX TG8421HGN KX TGA840FXN ...
Страница 14: ...14 KX TG8421HGN KX TGA840FXN 4 6 Signal Route ...
Страница 15: ...15 KX TG8421HGN KX TGA840FXN ...
Страница 16: ...16 KX TG8421HGN KX TGA840FXN 5 Location of Controls and Components 5 1 Controls 5 1 1 Base Unit 5 1 2 Handset ...
Страница 18: ...18 KX TG8421HGN KX TGA840FXN 6 2 3 Battery Level 6 2 4 Panasonic Ni MH Battery Performance supplied batteries ...
Страница 21: ...21 KX TG8421HGN KX TGA840FXN 7 1 2 Answering System Settings 7 1 3 SMS Settings ...
Страница 24: ...24 KX TG8421HGN KX TGA840FXN 7 6 Troubleshooting ...
Страница 25: ...25 KX TG8421HGN KX TGA840FXN Cross Rreference For Service Hint P 28 ...
Страница 26: ...26 KX TG8421HGN KX TGA840FXN ...
Страница 27: ...27 KX TG8421HGN KX TGA840FXN ...
Страница 28: ...28 KX TG8421HGN KX TGA840FXN 7 7 For Service Hint Cross Reference Battery Charge P 17 ...
Страница 29: ...29 KX TG8421HGN KX TGA840FXN 8 Service Mode 8 1 Engineering Mode 8 1 1 Base Unit ...
Страница 31: ...31 KX TG8421HGN KX TGA840FXN 8 1 2 Handset ...
Страница 40: ...40 KX TG8421HGN KX TGA840FXN Cross Reference Check Point Base Unit P 48 ...
Страница 42: ...42 KX TG8421HGN KX TGA840FXN Cross Reference Check Point Handset P 52 ...
Страница 57: ...57 KX TG8421HGN KX TGA840FXN ...
Страница 58: ...58 KX TG8421HGN KX TGA840FXN 10 1 2 Handset ...
Страница 59: ...59 KX TG8421HGN KX TGA840FXN 10 1 3 Charger Unit ...
Страница 60: ...60 KX TG8421HGN KX TGA840FXN 10 2 How to Replace the Handset LCD ...
Страница 85: ...85 KX TG8421HGN KX TGA840FXN Memo ...
Страница 97: ...97 KX TG8421HGN KX TGA840FXN 15 3 Cabinet and Electrical Parts Charger Unit ...
Страница 98: ...98 KX TG8421HGN KX TGA840FXN 15 4 Accessories and Packing Materials 15 4 1 KX TG8421HGN ...
Страница 99: ...99 KX TG8421HGN KX TGA840FXN 15 4 2 KX TGA840FXN ...