Panasonic KX-TCA151AXM Service Manual page 68

KX-TCD530AXM / KX-TCA151AXM
Items
(O) Timing Confirmation
(P)* RSSI Level
Confirmation
(Q) Power RAMP
Confirmation
(R) Audio Check and
confirmation
(S) SP phone Audio
check and
confirmation
(T) Headset Audio
check and
confirmation
Adjustment Point
- Follow steps 1 to 3 of (J) above.
4.Confirm that the Timing accuracy is < ± 0.5ppm.
- Follow steps 1 to 3 of (J) above.
4.Set DECT tester power to -81dBm.
5.Execute the command "readrssi".
6.Confirm that the returned value is 0x09 ~ 0x19 (hex).
7.Set DECT tester power to -63dBm.
8.Execute the command "readrssi".
9.Confirm that the returned value is 0x16 ~ 0x26 (hex).
- Follow steps 1 to 3 of (J) above.
4.Confirm that Power RAMP is matching.
- 1. Link to BASE which is connected to Line Simulator.
2. Set line voltage to 48V and line current to 40mA.
3. Input -45dBm/1KHz to MIC and measure Line output level.
4. Confirm that the level is -10dBm ± 5dB and confirm that the distortion level is
< 5% at TEL Line(600Ω Road).
5. Input -20dBm/1KHz to Line I/F and measure Receiving level at REV1 and
REV2.
6. Confirm that the level is -23dBm ± 5dB and confirm that the distortion level is
< 5% at Receiver(Volume Middle, 150Ω Road).
- 1. Link to Base which is connected to Line Simulator.
2. Set line voltage to 48V and line current to 40mA.
3. Set the handset off-hook using SP-Phone key.
4. Input -45dBm/1KHz to MIC and measure Line output level.
5. Confirm that the level is -6dBm ± 1.5dB and confirm that the distortion level is
< 5%.
6. Input -20dBm/1KHz to Line I/F and measure Receiving level at SP1 and SP2.
7. Confirm that the level is -6.5dBm ± 1.5dB and confirm that the distortion level
is < 5%.
- 1. Link to BASE which is connected to Line Simulator.
2. Set line voltage to 48V and line current to 40mA.
3. Input -45dBm/1kHz across Mic terminals on headset cable.
4. Confirm that the level is -15dBm ± 5dB and confirm that the distortion level is
< 5%.
5. Input -20dBm/1kHz to Line I/F.
6. Confirm that the level is -24dBm ± 5dB and confirm that the distortion level is
< 5%.
(SP terminals on headset cable is load of 150Ω)
Procedure
68
Check or
Replace Parts
IC1, IC3, L2,
C54, C60,
C61,
C62, C63,
C64,
C65, C66,
C67,
C69, C81,
C82,
C56, R58,
R55, R76
IC1, IC3, L2,
C54, C60,
C61,
C62, C63,
C64,
C65, C66,
C67,
C69, C81,
C82,
C56, R58,
R55, R76
IC1, IC3, L2,
C54, C60,
C61,
C62, C63,
C64,
C65, C66,
C67,
C69, C81,
C82,
C56, R58,
R55, R76
IC1, IC2, C68,
C37, C90,
C91,
R25, R26,
C12,
C87, C10,
R29,
C89, C17,
R37,
R38, R80,
C92,
C13, R35,
C15,
C16, D8, C86,
C75, C77,
C38,
C80, R74, R36
IC1, IC2, C68,
C37, C90,
C91,
R25, R26,
C12,
C87, C10,
R29, C89,
C17, R37,
R38, R80,
C92,
C13, R35,
C15,
C16, D8, C86,
C75, C77,
C38,
C80, R74, R36
IC1, IC2, CN4,
R50, R71,
R75,
C42, D4, D5,
R29, R25