Panasonic KX-TG1061M - Cordless Phone Base Station, Service Manual, Page: 52 / 114

52
KX-TG1061M/KX-TG1062M/KX-TGA106M
( I )* Hookswitch Check with
DC Characteristics
- 1. Connect TIP/RING (Telephone Socket) to Tel-simulator which is connected
with 600
Ω
.
2. Set line voltage to 48 V and line current to 40 mA at off-hook condition of nor-
mal telephone.
3. Execute the command “hookoff”
4. Confirm that the line current is 40 mA ± 5 mA.
5. Execute the command “hookon”.
6. Confirm that the line current is less than + 0.8 mA.
P101,D101,
Q111,Q112,
R110,R111,
R112,R123,
R115,R117,
R118,D117
( J ) DTMF Generator Check - 1. Connect TIP/RING (Telephone Socket) to DTMF tester. (Road=600
Ω
)
2. Link cordless handset and push dial key.
3. Confirm DTMF character.
4. Confirm that the high Group is -6 dBm ± 2 dBm.
5. Confirm that the low Group is -8 dBm ± 2 dBm.
IC501,R154,
R153,C151,
Q131
( K )* Transmitted Power Con-
firmation
ANT2 Remove the Antenna before starting step from 1 to 7.
1. Configure the DECT tester (CMD60) as follows;
<Setting>
• Test mode: FP
• Traffic Carrier: 2
• Traffic Slot: 4
• Mode: Loopback
• PMID: 00000
• RF LEVEL = -70 dBm.
2. Execute the command “testmode”.
3. Execute the command “sendchar dmv 2 2”.
4. Check that “Signalling Status” has been set to “Locked”, then press “ACCEPT
RFPI”.
5. Initiate connection from Dect tester (“set up connect”)
6. Execute the command “ANT2”.
7. Confirm that the NTP value at ANT is 16.5 dBm ~ 20.5 dBm.
DA802,C859,
C803,DA801,
C812,L802,
IC801,IC501
( L )* Modulation Check ANT2 Follow steps 1 to 6 of (K) .
7.Confirm that the B-Field Modulation is -430 ~ -350/+350 ~ +430 kHz/div using
data type Fig31.
DA802,C859,
C803,DA801,
C812,L802,
IC801,IC501
( M )* Frequency Offset Check ANT2 Follow steps 1 to 6 of (K) .
7.Confirm that the frequency offset is < ± 10 kHz.
DA802,C859,
C803,DA801,
C812,L802,
IC801,IC501
( N )* Frequency Dirft Confir-
mation
ANT2 Follow steps 1 to 6 of (K) .
7.Confirm that the frequency drift is < ± 20 kHz/ms.
C803,DA801,
C812,L802,
IC801,IC501
( O )* Sensitivity Receiver
Confirmation
ANT2 Follow steps 1 to 6 of (K) .
7.Set DECT tester power to -88 dBm.
8.Confirm that the BER is < 1000 ppm.
DA802,C859,
C803,DA801,
C826,R807,
C822,IC501
( P )* Timing Confirmation ANT2 (Through Cordless handset)
Follow steps 1 to 6 of
(K) .
7.Confirm that the Timing accuracy is < ± 2.0 ppm.
DA802,C859,
C803,DA801,
C812,L802,
IC801,IC501
( Q )* RSSI Level Confirmation ANT2 Follow steps 1 to 6 of (K) .
7.Execute the command “readrssi”.
8. Confirm that the returned value is 22 ± A (hex).
DA802,C859,
C803,DA801,
C826,R807,
C822,IC501
Items Check
Point
Procedure Check or
Replace Parts