Panasonic KX-TG9391T Service Manual page 58

KX-TG9391T/KX-TG9392T/KX-TGA939T
Items
(K)* Frequency Offset Confir-
mation
(L)* Frequency Drift Confir-
mation
(M)* Sensitivity Receiver
Confirmation
(N)* Power RAMP Confirma-
tion
(O) Audio Check and Confir-
mation
Check
Point
- Follow steps 1 to 3 of (I).
4.Confirm that the frequency Offset is < ± 50 kHz.
- Follow steps 1 to 3 of (I).
4.Confirm that the frequency Drift is < ± 35 kHz/ms.
- Follow steps 1 to 3 of (I).
4.Set DECT tester power to -88 dBm.
5.Confirm that the BER is < 1000 ppm.
- Follow steps 1 to 3 of (I).
4.Confirm that Power RAMP is matching.
- 1. Link to BASE which is connected to Line Simulator.
2. Set line voltage to 48 V and line current to 40 mA.
3. Input -45 dBm/1KHz to MIC and measure Line output level.
4. Confirm that the level is -8 dBm ± 2 dBm and that the distortion level is < 5% at
TEL Line (600 Ω Load).
5. Input -20 dBm/1KHz to Line I/F and measure Receiving level at REV+ and
REV-.
6. Confirm that the level is -22 dBm ± 2 dBm and that the distortion level is < 5%
at Receiver. (vol = 2)
Procedure
58
Check or
Replace Parts
IC1,
C808~C814,
L802~L804,
C825, C834,
C819, IC801,
R107, R108,
C117, C118,
C841, C125,
C842, DA1,
C801~C804,
D801,D802,
C837, C826,
C822, C820,
C832, C833,
R801~R807
IC1,
C808~C814,
L802~L804,
C825, C834,
C819, IC801,
R107, R108,
C117, C118,
C841, C125,
C842, DA1,
C801~C804,
D801,D802,
C837, C826,
C822, C820,
C832, C833,
R801~R807
IC1,
C808~C814,
L802~L804,
C825, C834,
C819, IC801,
R107, R108,
C117, C118,
C841, C125,
C842, DA1,
C801~C804,
D801,D802,
C837, C826,
C822, C820,
C832, C833,
R801~R807
IC1,
C808~C814,
L802~L804,
C825, C834,
C819, IC801,
R107, R108,
C117, C118,
C841, C125,
C842, DA1,
C801~C804,
D801,D802,
C837, C826,
C822, C820,
C832, C833,
R801~R807
IC1, R23, C12,
D19, D20,
C96, C97,
R215, R27,
RA4, C11,
C13, R28, D3,
D4, L10, L11,
MIC, L9