Panasonic KX-TG6381LBB Service Manual

54KX-TG6381LBB/KX-TG6381LBS/KX-TG6382LBB/KX-TGA632LBB/KX-TGA632LBSBase Unit TR-DATA Signal (Normal mode)Base Unit TR-DATA Signal (Normal mode)Base unit sends a dummy slot and receves all 6 slots every frame in normal mode.Pin Number (Base unit)IC701 IC501 (BU)TEST TX_CW 21 24Normal RX 22 1923 1823 34RX-DATA included in TR-DATARX-DATA included in TR-DATARX-DATA of BU is for checking for TX of HS or RX of BU.When "TX-CW" mode in Handset, RX-DATA of base unit is LOW. (*1)In the other case, RX-DATA of base unit is random. (*2)Handset TR-DATA Signal (RX data in RX CW mode)Handset TR-DATA Signal (RX data in RX CW mode)Base unit bursts a dummy slot in normal mode in any channel.Handset should be worked in test mode in same channel as base unit.Pin Number (Handset)TEST RX_CW IC701 IC501 (HS)Normal Dummy 23 36RX-DATA of handset is LOW after receiving dummy from base unit.RX-DATA just before that is same as dummy slot data of base unit.(*3) Dummy slot data in TR-DATA of Base Unit(*3) Dummy slot data in TR-DATA of Base UnitMODEMODETR (RX)-DATATR (RX)-DATARADIOENSLOT_CTRLTR (TX)-DATA[REG BU] or [BU][REG BU] or [BU]ITEMITEM[HS] or [REG HS][HS] or [REG HS]RF IC (IC701)DSP IC (IC501)TXRADEOENSLOT_CTRLTR_DATA2 msSLOT_CTRL(*1)(*1)REDIOEN40 μs20 μsSLOT_CTRLTR-DATATR-DATABase unit ID (40 bit)preamble (32 bit)RF IC (IC701)DSP IC (IC501)RX200 μs10 μsTR (RX)-DATATR (RX)-DATATR (RX)-DATATR (RX)-DATArandom pattern because of no signal(*2)(*2)receiving TX_CW from handsetRX-DATARX-DATATX (dummy ) (*3) RXRX TX (dummy )preamble (32 bit) Base unit ID (40 bit)ZoomZoom0 V0 V3 V3 V0 V3 V0 V3 V0 V3 V