Kenwood TK-8302 Service Manual

Also see for TK-8302: Instruction manual Instruction manual Instruction manual Instruction manual Instruction manual

Contents

47SCHEMATIC DIAGRAM TK-8302/8302HX57-768 6/6, X54-367 1/17654321ADACABAAZ4.93V2.79V4.54V2.32VT : 4.65VT : 1.87VBUSY :BUSY :4.06V 13.53V4.08V1.90V4.94VC43470pR6 1kR7 1kR8 1kR4 1kR3 1kR5 1kLEDILECEHOOK1000pR42100pC27R2910kR28 10kC47 C38100p21543LELH876C42100p1211LECL91014131518171622 RLEDBLEDGLED2120192423KMI1KMI2KMI3R212.2kR412.2k2SC3928AQ6Q92SC3928A1kR2282B30-2151-05DNVOL120R23D23UPCHKMO30RT1N441UQ7B30-2321-05RT1N441U0R27D22R26Q1RT1P141UGLEDBLEDMLEDQ8Q2RT1P141UBKMO2KMO1UPVOLDNCHCSAMIC02DZ6 2F-YD33C39DM100pMEPTTC291000pC301000pLECE1000pC311000pC321000pC33C351000pCP1 1kLELHLEDILECLoUT14oUT1g1TCA62746AFNAGSLATSCKGNDoUT0KMI1KMO1KMO2KMO3L1KMI2KMI30.01uC16470pCN2C46f1R401053421SIN62SC3928AC361000pMLED1kR34C341000poUT15SoUTVDDREXTIC122kR358.2k2022212324oE19oUT7oUT5oUT3oUT4oUT2oUT6a2b2b1a1f2dp2111012978oUT8oUT10oUT9oUT12oUT13oUT11131514161817C44470p28272526CN12930100pC4110R38MBL1J1MEPTT45SB23 GNDDM8MIC67 HOOK1000p100pR39C8Q5C45470p 151000p0.01uC10C9R36C40R1R210100C10.01uD20DA221B30-2282-05HDSP-521Ad1c1dp1e1Q4KRC102S-PD37dp2 dp2g2e2d2c2Q3B30-2282-05B30-2282-05ME10PTTD4D3B30-2282-05D5DMR37HOOKMICD2D1B30-2282-05g1f1a1b11kR121.2kb1g1a1f1KRA225SR101kR11b2a2f2b2f2a2dig2dig1161112271338144915510J700EXTERNAL D-SUB1000pC88647kR8881000pC885220R8891KR890*R934*R933Q7242SJ645Q725KTC4075E(Y,GR)FNC 2FNC 1FNC 6FNC 3FNC 4FNC 5POWERPTT/TXDHOOK/RXDMKEYMELECLGNDLELHMICKMI1KMI2KMI3LECELEDI5CBLEDKMO3KMO2KMO1SP-GLEDLEDMRLEDMBLSP-SP+SP+SBSBR998POWER 303.3kMKEY 29R855PTT 28R857 1k/RXD 2726R856 2524R997 0LERE 23R996 0LELH 22R995 0LECL 21R994 0LECE 20R993 0LEDI 19R992 0 18R991 0KMI3 17R990 0KMI2 16R989 0KMI1 15R988 0KMO3 14R987 0KMO2 13R986 0KMO1 12R985 0BLED 11R984 0GLED 10R983 0RLED 9R982 0MBL 8R981 0LEDM 70100pC950654312LEREDA221D702DA221D704D706DA221HR2HR1CN7240R858100C887C889 470pC704 470pC706 470pC708 470pC898C915470p470p470pIGNHORNSP+SP-PASBMEMIC5CSB SBSB5CDATAIDETOINT SPR933 R9340 NONO 0RLED5C5MHOOK/TXDX57-7680-XX-15 TK-8302H-23 TK-8302K2M2KEY BACKLIGHTCONTROL SWITCHKEY BACKLIGHTQ3,4PROTECTIONVOLTAGELED DIMMERCONTROLSWITCHDRIVERLEDIC1DISPLAYLEDPROTECTIONSURGELED SWITCHQ1,2,7,8TX/BUSYINDICATIOND22INDICATIONINDICATIONLED SWITCHQ6TX/BUSYINDICATIONPROTECTIONSURGED702,704,706HORN ALERT SWITCHCONTROLHORN ALERTSWITCHLED DIMMERCONTROL SWITCHQ9D1-5DISPLAY UNIT (X54-3670-20)TX-RX UNIT (X57-7680-XX)161516141615151414121212121288881313Note : The components marked witha dot (•) are parts of layer 1.