Kenwood TKR-740 Service Manual

Also see for TKR-740: Brochure & specs Instruction manual Service manual Instruction manual

TKR-740 SCHEMATIC DIAGRAM64IO1IO2IO4IO5IO6IO7IO3A16A18A15A12A7A6A5A17A14A13A8A9A11EVRESRMUTEVCESCOECSD1SD2SD0RDYMISSCRSSICKDTESREVRSCLSDADPCPEPRLDRCVREVTESTDTCKSDASCLLDTPRTCPDPEXRCVTVCEFWDREVCS0BLTEN7SW6SW5SRSTBCLKSW4ESTEVTBEATSW3SW2SW1MDSINCHMTHSDSTOSFWDSPSREVCVT TOVCVRVCE VS2RSSI OPTRASPRTIAD0IAD1IAD2IAD3IAD4IAD5IAD6IAD7VS1PF0PF1PF2PF3ISIALIRDIWRIAD15IAD14IAD12IAD11IAD9IAD8PF6PF5IACKD0D1D2D3D4D5D6D7D5D6D3D7D1D4A10D2SD0SD7SD6SD5SD4SD3SD2SD1D0A0A1A2A3 A4SA7SA6SA5SA4SA3SA2SA1SA0 CS1VS4VS3AUXI1A0A1A2A3A4A5A6A7A11A10A18A17A14A13A9A12A15A16A8IRQ2AUXI3EPRPAGLDRMDATCKDTMONSCRPTTAUXI2RSTSD4SD5SD6SD7SA1SA2SA3SA4SA5SA6SA7WRCS1RDTESTCS1CS0TXD1RXD1SCLSDAPTTCPDPRDYBCLKRDWRLDTSRSTBEATHOKPAGSA0SD3IAD10IAD13R40 1kR43 1kR42 1kR41 1kR37 1kR36 1kL1C32 100pC33 100pC34 100pC35 100pC36 100pC37 100pR30 1kR44 3.3kR35 3.3kC53 100pC54 0.01uC55 100pR45 33kR31 1kR32 100kR263 1kR229 0R231 1kR233 1kR293 100R290 100R286 100R257 47kR267 1kR274 1kR287 100R284 100R281 100R246 1kR244 1kR241 4.7kR238 1kR236 1kR235 1kR234 1kR249 1kR297 100R301 100R300 100R299 100R298 100R210 1kR200 470R199 100R204 0R209 0R208 0R211 1kR203 1kR197 0R1914.7kC1920.01uC38 100pC39 100pC40 100pC41 100pC42 100pC43 100pC44 100pR202 1kL7C46 100pC45 100pC280.1uC290.01uC311000pC3010u16C271000pR213 1kCP4 1kCP5 1kCP6 1kCP7 1kR158 47kR175 1kR172 1kR179R183R187R224 1kR239R218 1kR226 1kR225 1kR157 1kR156 1kR221 1kR222 1kR223 1kR250 1kR159 47kR214 1kR215 1kR216 47kR278R275R271R268R264R260R245 1kR242 1kR253 100R255 100R258 100R261 100R265 100R269 100R272 100R276 100CP14470CP15470CP1 1kCP2 1kR16247kC2210.01uC2220.01uR232 100R230 100R228 100R227 1kR212 1kC187 0.01uR219 47kR220 47kR217 1kL12 10uL9 10uL13 10uC2610u10C230.01uC201uL6 10uC2510u10C220.01uC191uC180.1uC210.01uC2410u10D1DA204U1234567891011121314151617 A318 A219 A120 A021 I/o022 I/o123 I/o224 GND25 I/o326 I/o427 I/o528 I/o629 I/o730 CE31 A1032 oEIC15TC74VHC245FT1DIR2A13A24A35A46A57A68A79A810GND11 B812 B713 B614 B515 B416 B317 B218 B119 G20 VCCC2080.01uR18847kC2090.01uC210220u6.3R240R252 1kR282 1kR285 1kR283 1kC52 100pC51 100pC50 100pC49 100pC57 100pC58 100pR4668kC595600pR1951kC19410u10C2030.01uR207 47kR205 1kR206 1kR161 47kR262 47kR266 47kR280 1kR270 47kR273 47kR292R289R279R277R294R259 1kCP11 470CP10 470IC16TC74VHC245FT1DIR2A13A24A35A46A57A68A79A810GND11 B812 B713 B614 B515 B416 B317 B218 B119 G20 VCCR23747kC1860.01uC18110u10C207220u6.3C2121uC2131uR100C2560.01uR1647kR19210kC1911uC19012pC18912pR33747kR1930C1850.01uR19047kR196 47kR296 47kR1894.7kR194 18kC1471u25C681u25C60100pR47100kR4918kR4847kC881uR7647kC871500pC89750pR7847kC91 1uR80 470kC660.01uR180 47kR247 1kR243 1kR256 1kR254 1kR251 1kR248 1kL11C1883pX1L77-1956-0514.745ML4L5R34 1kR33 1kL2L3IC46TC7S32FU-F1INB2INA 3GND4 oUTY5 VCCIC47TC7S32FU-F1INB2INA3GND4 oUTY5 VCC1 INB2 INA3 GND4oUTY5VCCIC5NJM78L08UA-ZBGNDIN oUTIC4TA7805FQGNDIN oUTIC6TA7805FQGNDIN oUTIC35TC7S32FU-F1 INB2 INA3 GND 4oUTY5VCCR2822(1/2W)R2922(1/2W)R2722(1/2W)1HSD0LSD0P92IACKEPRBYTECNVssPAGLDRRESETXoutVssXinVccNMIMDATTESTMAINCKDTMONSCRPTTAUXI225CHECK26PTTPC0PC1TXD1RXD1SCLSDATXDRXD(HOOK)CPDPRDY*HOLD*BCLKRD*WRLDTSRSTCS1CS0A1950A1851A17A16A15A14A13A12A11A10A9VccA8VssA7A6A5A4A3A2A1A0IWRIRDIALIS75PF376PF2PF1PF0D7D6D5D4D3D2D1D0FWDREVCVTCVRRSSIVCEAUXI1AVssAUXI3VREFAVccIRQ2PF6100PF5IC10R3111H421C-FGNDVDD oUTR75747kCN11234567891011121314151617181920212223242526CN21234567891011121314151617181920212223242526IC3NJM78L05UA-ZBGNDIN oUT14V-58V+CP3 1k1CHECKBLTEN7SW6SW5BYTECNVssP87P86RSTVoutVssXinVccNMIWRRDSUBRDYPBOSW4SW3SW2SW125EST26EVTPRTBERTP67P66VS4VS3VS2VS1OPTTOVSPSRASTOSHSDSHMTINCMDSMISIAD15IAD14IAD13IAD12IAD1150IAD1051IAD9IAD8IAD7IAD6IAD5IAD4IAD3IAD2IAD1VccIAD0VssA7A6A5A4A3A2A1A0D7D6D5D475D376D2D1D0MUTEI/O7I/O6I/O5I/O4I/O3I/O2I/O1AN7AN6AN5AN4EVRESRAN1AVssANOVREFAVccEVCESC100OEC5VAVR8VAVRDET8VBCONTROL UNIT (X53-4210-10)(A/4)RESETAVR5VAVRRACHECKCHECKSP RRA5VBUS BUFFERBUS BUFFERSURGEPROTECTORMULTIPLEXERVOLTAGEDETECTORRX UNIT (X55-)-CN6TX UNIT (X56-)(A/3)-CN3IC7AT29C02090TUFLASH ROMA11A9A8A13A14A17WEVCCNCA16A15A12A7A6A5A4IC1730622M4-103GPUCPUIC13NJM4558E-ZBAF AMPIC1830622M4-103GPUCPUBPABRARXGDETDEGSCRSSICKDTESREVRSCLSDADPCPEPRLDRGNDCVRNCNCBBBNCNCNCMODTOMIGEVTESTDTCKNCNCSDASCLLDTPRTCPNCDPEXRCVTREVFWDGNDPAGBBBPAB2SK1824-AQ1BEATSHIFT47k1k1k1k1k1k1k1k1k1k1k47k47k47k47k47kIC48TC7S32FU-FOR GATEIC46-484.8V0V4.5V4.8V0V4.8V4.7V5.0V5.0V 4.9V5.0V 4.7V4.9V4.9V8.0V10.2V12.3V12.1V0.5V4.8V4.4V4.4V4.8VA B C D E1234567X53-421 1/4