Kenwood TK-2180 Service Manual

Also see for TK-2180: Specifications Brochure & specs Instruction manual Instruction manual Pricing and specification manual

TK-218014Pin No. Port Name I/O Function98 TCLK/DTRDO I BB TCLK and DTRDO99 SAVE O Save100 T/R O TX/RX switch101 AM1 O AF PA switch102 LCDRS O LCDRS103 SSW I EXT/INT SP switch input104~111 D7~D0 I/O Data bus 7~0112 DT O Serial data113 CK O Serial clock114 W/N O Wide/Narrow switch115~119 OPT 1~OPT 5 I/O Option boad I/F 1~5120 BATTSEL/VOX I BATT select and VOX input121 THP/VCO ADJ I Thermal detect and VCO adjust122 VOL I Volume level input123 PF I PF key in124 ASQ I RX Analog SQ. input125 RSSI I RX RSSI input126 BATT LVL I BATT level127 AGND - DGND (Vss)128 LSDIN I Low speed data inputKey Processor: BU2099FV (Display unit IC500)Pin No. Port Name I/O Function1 Vss - GND2 NC -3 DATA I Serial data input4 CLK I Serial clock input5 LCK I Storage enable input6 Q0 O LCD back light control7~15 Q1~Q9 O Key matrix output16 Q10 O NC17 Q11 O NC18 SO O NC19 OE I /LCDRST20 VDD I 5VDisplay unit (X54-3470-XX)Ref. No. Part name DescriptionIC500 IC Key processorIC501 IC Voltage regulator / LCDIC502,503 IC LCD controlQ501,502 Transistor Back light controlQ504 FET LCD resetQ505 FET Contrast controlD500 Diode Contrast controlD501,502 LED Key back light (TK-2180-K2 only)D511~514 LED Key back light (TK-2180-K2 only)D515~520 LED Key back lightD522 Diode Key controlTX-RX unit (X57-6930-10)Ref. No. Part name DescriptionIC1 IC PLL systemIC100 IC Comparator (APC)IC200 IC FM IF systemIC400 IC Voltage detector / INTIC401~403 IC Voltage regulator / 5VIC404 IC 5T controlIC405 IC Voltage detector / ResetIC406 IC Voltage regulator / 5VIC500 IC Flash memoryIC502 IC MicroprocessorIC503 IC RTC processorIC504 IC EEPROMIC505 IC SelectorIC600 IC AF bufferIC601 IC LSD LPF / V REFIC602 IC LSD buffer to TCXOIC603 IC TuneIC604 IC HSD BPF / HSD COMPIC605 IC D/A converterIC606 IC AF switchIC607 IC AQUA-LIC608 IC MIC AMP / VOXIC609 IC AF power AMPQ1 Transistor Fin filter shift switchQ2 Transistor PLL IC f_in AMPQ6 FET VCO / RXQ7 FET VCO / TXQ8 FET DC switch / TX VCOQ9 FET DC switch / RX VCOQ10 Transistor RF buffer AMPSEMICONDUCTOR DATA / COMPONENTS DESCRIPTION