Block Diagram | Kenwood TK-260G, TK-270G specification

TK-260G/270G TK-260G/270G

BLOCK DIAGRAM


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Kenwood TK-260G, TK-270G service manual Block Diagram

Contents

TK-260G/270G Contents General / System SET-UP TK-260G/270G Operation Features Operating Features SP/MIC jacks Programmable keys3 keys Dtmf keypad Scan types Display TK-270G onlyScan Operating TK-270G only Icon Description Details of Features Option Signalling DTMF/2 tone Audible user feedback tones Operating Features / RealignmentHow to Enter Each Mode For the panel Test Mode TK-270G only Checksum PC ModeFirmware Programming Mode Realignment Function Clone Mode Flow Chart Self Programming Mode TK-270G onlySelf programming mode setting Channel Setting Mode ADD DtmfTone Delete Function Setting Mode Function Setting Mode Cttno YES/NOTOT YES Cttyes Memory Reset Mode Separating the chassis from the unit TK-260G Disassembly for RepairSeparating the case assembly from the chassis Receiver Frequency configurationCircuit Description PLL frequency synthesizer Microphone amplifier Power supplyEncode signaling Transmitter System Optional Board Terminal Control Circuit LCD Driver LC75823W Display Unit IC501 TK-270G only Circuit DESCRIPTION/SEMICONDUCTOR DataUPB1509GV IC301 Shift register 2BU4094BCFVIC6 Semiconductor DataMicroprocesser 30622M4102GP TX-RX Unit IC13 Shift register 1BU4094BCFVIC5 TX-RX Unit Description of ComponentsDisplay Unit X54-3250-10 TK-270G Only TK-260G/270G Parts List TX-RX Unit Ceramic Trimmer CAP10P CN1 Coil R92 RK73GB1J100J VR1 Exploded View TK-260G Exploded View TK-270G Packing TK-260G/270G Repair Jig Chassis AdjustmentTest Equipment Required for Alignment Repair Jig Extention Flat cable part No E37-0851-05 Test Mode TK-270G onlyTest mode operating features Tuning mode LCD display Tuning mode Wide/Narrow indicatorPanel Tuning Mode Transmitter Section Common Section AF Vtvm Hpfoff Ptton Dtmf BPF-WAVE Foil Side View Adjustment points TX-RX unit X57-587 Component side view Display Unit X54-3250-10 Foil Side View PC Board View TK-260G/270GDisplay Unit X54-3250-10 Component Side View PC Board View DTA114EE TK-260G/270G PC Board View TK-260G TK-270GSCHEMATIC Diagram Block Diagram KNB-15A Level DiagramKNB-14 Options KMC-17 Speaker microphone KMC-17 Parts ListKMC-21 Speaker microphone KMC-21 Parts List General Specification