Panasonic KX-FLB802CX Service Manual

18KX-FLB802CX/KX-FLB812CX/KX-FLB802CXS/KX-FLB812CXSDescriptions of Pin Distribution (IC604)PIN No. SIGNAL I/O POWER SUPPLY VOLTAGE EXPLANATION1 VSS GND GND2 ADR0 I 3.3V ADDRESS BUS 03 ADR1 I 3.3V ADDRESS BUS 14 ADR2 I 3.3V ADDRESS BUS 25 ADR3 I 3.3V ADDRESS BUS 36 ADR4 I 3.3V ADDRESS BUS 47 ADR5 I 3.3V ADDRESS BUS 58 ADR6 I 3.3V ADDRESS BUS 69 ADR7 I 3.3V ADDRESS BUS 710 XCS I 3.3V CHIP SELECT INPUT11 PVREQ O 3.3V PRINT DATA INTERFACE12 PVACK I 3.3V PRINT DATA INTERFACE13 PVDATA0 I 3.3V PRINT DATA INTERFACE14 PVDATA1 I 3.3V PRINT DATA INTERFACE15 PVDATA2 I 3.3V PRINT DATA INTERFACE16 PVDATA3 I 3.3V PRINT DATA INTERFACE17 PVCLK I 3.3V PRINT DATA INTERFACE18 3.3V - 3.3V POWER SOURCE(3.3V)19 VSS - GND GND20 VSSA A GND GND(ANALOG)21 AIN0 A 3.3V ANALOG INPUT(THERMISTOR)22 AIN1 A 3.3V ANALOG INPUT(THERMISTOR)23 TONE A 3.3V ANALOG OUTPUT(TONE)24 VDDA A 3.3V POWER SOURCE(ANALOG)25 TEST0 I 3.3V NOT USED26 SENCTL0/IOP00 O 3.3V OUTPUT PORT(POUT_LED)27 SENIN0/IOP10 I 3.3V INPUT PORT(POUT)28 SENIN1/IOP11 O 3.3V NOT USED29 SENIN2/IOP12 O 3.3V NOT USED30 SENIN3/IOP13 O 3.3V NOT USED31 OMT0/OP60 O 3.3V NOT USED32 OMT1/OP61 O 3.3V NOT USED33 OMT2/OP62 O 3.3V NOT USED34 OMT3/OP63 O 3.3V NOT USED35 OMT4/OP64 O 3.3V NOT USED36 VSS - GND GND37 3.3V - 3.3V POWER SOURCE(3.3V)38 XIN_PLL I 3.3V CRYSTAL(25MHz) INPUT39 XOUT_PLL O 3.3V CRYSTAL(25MHz) OUTPUT40 TEST1 I 3.3V NOT USED41 HTRCTL O 3.3V HEATER CONTROL42 IOP07 I 3.3V INPUT PORT(HVERR)43 CHG O 3.3V HIGH VOLTAGE CONTROL44 DEV O 3.3V HIGH VOLTAGE CONTROL45 TRS O 3.3V HIGH VOLTAGE CONTROL46 POLCLK O 3.3V LSU CONTROL47 POLON O 3.3V LSU CONTROL48 XREADY I 3.3V LSU CONTROL49 VDDPLL PLL 3.3V POWER SOURCE(PLL)50 VSSPLL PLL GND GND(PLL)51 VCNT PLL 3.3V PLL INTERFACE52 R PLL 3.3V PLL INTERFACE53 PO PLL 3.3V PLL INTERFACE54 5V - 5V POWER SOURCE(5V)55 VSS - GND GND56 XVIDEO O 5V LSU CONTROL57 XAPC O 5V LSU CONTROL58 XLDEN O 5V LSU CONTROL59 XHSYNC I 5V LSU CONTROL60 PWRDWN O 5V POWER DOWN CONTROL61 OPERST O 5V OPERATION PANEL CONTROL62 KTXD I/O 5V OPERATION PANEL CONTROL63 KSCLK O 5V OPERATION PANEL CONTROL64 KSTART O 5V OPERATION PANEL CONTROL65 IOP30 O 5V NOT USED