Panasonic KX-TCA151AXM Service Manual

Items Adjustment Point Procedure Check orReplace Parts(O) Timing Confirmation - Follow steps 1 to 3 of (J) above.4.Confirm that the Timing accuracy is < ± 0.5ppm.IC1, IC3, L2,C54, C60,C61,C62, C63,C64,C65, C66,C67,C69, C81,C82,C56, R58,R55, R76(P)* RSSI LevelConfirmation- 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).IC1, IC3, L2,C54, C60,C61,C62, C63,C64,C65, C66,C67,C69, C81,C82,C56, R58,R55, R76(Q) Power RAMPConfirmation- Follow steps 1 to 3 of (J) above.4.Confirm that Power RAMP is matching.IC1, IC3, L2,C54, C60,C61,C62, C63,C64,C65, C66,C67,C69, C81,C82,C56, R58,R55, R76(R) Audio Check andconfirmation- 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 andREV2.6. Confirm that the level is -23dBm ± 5dB and confirm that the distortion level is< 5% at Receiver(Volume Middle, 150Ω Road).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(S) SP phone Audiocheck andconfirmation- 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 levelis < 5%.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(T) Headset Audiocheck andconfirmation- 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)IC1, IC2, CN4,R50, R71,R75,C42, D4, D5,R29, R2568KX-TCD530AXM / KX-TCA151AXM