Kenwood TK-7180H Service Manual

Also see for TK-7180(H): Brochure & specs Specification Instruction manual Brochure & specs Instruction manual

Contents

TK-7180H/7182H26SEMICONDUCTOR DATAPin No. Port Name I/O Function1~4 NC - No connection5 SHIFT O Beat shift6 BYTE - +5V7 CNVSS - GND8,9 NC - No connection10 RST I Reset11 Xout O 14.7456MHz clock output12 GND - GND13 Xin I 14.7456MHz clock input14 VCC - +5V15 NMI - +5V16 BLC2 O MIC backlight control17 BLC1 O Key & LCD backlight control18 DIMM O Dimmer control19 LEDG O LED green20 LEDR O LED red21 NC - No connection22 LCDCK O LCD serial clock23 LCDDT O LCD serial data24 LCDCS O LCD chip select25 LCDRST O LCD reset26 NC - No connection27 RXD2 I RXD2 (Main μ-com)28 TXD2 O TXD2 (Main μ-com)29 PTT/TXD I/O PTT/TXD (COM0)30 NC - No connection31 DM O MIC DM32,33 NC - No connection34 HK/RXD I HOOK/RXD (COM0)35~59 NC - No connection60 VCC - +5V61 NC - No connection62 VSS - GND63~70 NC - No connection71~82 S22~S11 I No connection83 S10 I Front panel key (R down [ ])84 S9 I Front panel key (R up [ ])Pin No. Port Name I/O Function85 S8 I Front panel key (■ )86 S7 I Front panel key (C)87 S6 I Front panel key (B)88 S5 I Front panel key (A)89 S4 I Front panel key (S)90 S3 I Front panel key ( )91 S2 I Front panel key (L down [ ])92 S1 I Front panel key (L up [ ])93 NC - No connection94 AVSS - GND95 NC - No connection96 VREF - +5V97 AVCC - +5V98~100 NC - No connectionShift Register : BU4094BCFV (TX-RX unit IC403)Pin No. Port Name I/O Function1 STRB I Storage enable input2 DATA I Serial data input3 CLK I Serial clock input4 Q1 O AUX output 15 Q2 O Public address6 Q3 O Horn alert7 Q4 O Scrambler switch8 Vss -9 Qs O10 Q’s O11 Q8 O Ceramic filter switch12 Q7 O No connection13 Q6 O AUX output 214 Q5 O Gate switch15 OE I Output enable16 VDD -Microprocessor : 30302M88Z7GU (Display unit IC902) : TK-7180H only