Kenwood KRF-V7771D Service Manual

Also see for KRF-V7771D: Instruction manual Instruction manual Setup Instruction manual Service manual

Contents

VR-2090(K,P) ONLYBAIC27VR-2080/2090(K) (1/6)KRF-V7771D/V8881D(M) (1/6)IC44CWH601D615IC28ROOM BE. VOL.D5(2/2)(1/2)(2/2)(1/2)IC43AMPAMPIC28RchROOM BLchROOM BFRchFLch(BOTTOM VIEW)CN7CN5KRF-V8881D (X11-38XX-XX)KRF-V7771D (X11-38XX-XX)VR-2090 (X11-3800-11)IC43D6TONEVR-2080 (X11-3800-10)CN11BUFFERQ609D6068.1V1.6V1.0V16.3V-16.5V-16.5V16.3V-16.5V16.3V16.3V-16.5VYESYESWH601WH601NOWH601NOW688YESYESW688YESW688W688YES687,688C608,626,C608,C608,688688C608,W688NOW606NOYESW606W606NONOW606NOYESNO687,688C626,WH60118KR265100K 10u50+832 +-1R256 11KR272C258R254C268 100PR252 120KC266 100PR27417V17V17V17V 17V+17V+17V+17V+17V+17V+17V+17V17V17V17V17V17V17V17V17V17V2431+17V17V+17V17VC2651M150P0.01R268100P470K470K13-0013-00C2CHINAC1CHINA1234C2541MC26022P 1002.7K100P100PR271C257C259C253R343470KC340100P18KR625R62311KR344470K43KR3202.2KR324C320120KR322560PC3181u50+C31627P180KR318-+ 3241 8.2KR326+1u50C322470KC263100KR266R267R269+22u164765 +-22u16+R258C270R255 11KR257100PR273R251 120P+10u5017V +17VC269R253 2.7KC267 100P10022PC251C2520.01C314+17V+17V+17V+17V+17V+17V+17V +17V +17VCIRCUITANALOG SWANALOG SW680KR3010.015C303 0.068C301R3053.9KC3055600PR345470K5/6X25-A/7-CN29COM COMDATASTB CKLEVEL SHIFT20bit SHIFT REGISTER CIRCUITVDDGNDVSSCODE DETECTANALOG SWANALOG SWLADDER RESISTOR4/6X11-A/7-E2VDDOUTINNCA-GNDCS2STBDATA12345678VSSNCCS1GNDCLK161514131211109 B-MUTEGNDB-Lch OUTGNDB-Rch OUTGNDB-Lch INGNDB-Rch IN123456789VOLUME. TONE-DATAVOLUME. TONE-CLKTONE-STBVOLUME-STBDGNDB-MUTE-17V+17VTONE OUT LchGNDTONE IN LchGNDTONE IN RchGNDTONE OUT Rch123456789101112131415CN12IC601 D614NO NOLA1838A601CF601,602L604-607 CF603683W682,L72-0531 W02-2622NO YESYESR672,673 686W611,R653R625 628R627,YES8.2K NO2.2K15K 8.2KR623R614 640,682R615,C679,680631 C6493.3K270 NO3300P2.2u50W656C670,671,682C624E C625NO390PYES 270PB DCAABB. UNIT No.YESNOM2C200-21 NODESTINATIONCOUNTRYGENERAL MARKETCHINA0.018C630,NOYESW656YESNONOYES686W611,NOYESNOYESW02-2621NO 1K6800P0.0150.01820PNO 4.7u5000-01C1M1CHINAGENERAL MARKETD614NOIC601LA1838CN12602 CF603CF601,L72-0531YES607NOL604-673R672,R6532.2K 8.2KR627,628R6233.3K 8.2KR62515KW682,683R614680C679,3300P 270631C630,NO 0.018C6492.2u50C625C624YES 390P 270PEDCA BYESC670,671,682 640,682R615,NOJABB.Y100-21COUNTRYJAPANDESTINATIONPXUNIT No. A601W02-2622NOD614NOD614YESCN12YESIC601A601W02-2622 LA1837CF603602607L604-YES NOW611,656,682,683,686NOR6532.2KR623682R615,640,11KYESR627,6284.7K673R672,3.9K680C649 C679,2.2u50 3900P 100631C630,C626,670,671,682,687YES 0.033C624ENO 390PBC DANOC625150PR614K2ABB.COUNTRYU.S.A.DESTINATIONP2CANADA 00-11UNIT No. CF601,L72-0596YESCN12LA1837IC601W02-2622A601L72-0596CF601,602390KR313C3070.018 R307820 R30922KC309820P1KR3111K13bit LATCH CIRCUIT 13bit LATCH CIRCUITLADDER RESISTOR LADDER RESISTORLADDER RESISTORC34110u50+R3153.9KR30316KR3063.9KR30882016KR30422KR310C310820PC342+10u50R312C3020.068C3040.015680KR302390KR3145600PC3060.018C308R3163.9KC319560PR3232.2KC3211u50+8.2KR325586 -+7180KR31727PC315R31943K+C3171u50R321120K17V+17VW606BUNIT No.00-10ABB.DESTINATIONCOUNTRYKP1U.S.A.CANADAS-LEVELDETNOCF603YESL604-6073900P680C679,NO683,686W611,656,682,3.9K673R672,2.2KR653NOR6404.7K628R627,18KR625YES682R615,100R6142.2u50C6490.033631C630,150PC625390PC624NO671,682,687C626,670,YESNOD ECADE-ENPHPLLDOPLLCEPLLCLKPLLDATAT. MUTE-17V+17VLchGNDRchSTEREOSD1234567891011121314150.1 15KR664C6541000P+453615K0.1C653 R6655.6KR66310u16C655C656161514131211109123456783/6X08-E3X( )( )( )( ))()()(( ))()()(( )K M O Q SL N P R TY05-3570-10KRF-V7771D/V8881D/VR-2080/20902SA11232SA9922SC18452SC20032SC26312SC32442SC3940ADTC124ESA2SA10482SC2458UN5119UN52192SA15862SC40812SC41162SA15352SB13702SD2061UN4212UN42192SA1309A2SC3311A2SB13752SD2012 2SD1757K NJM4558DNJM4565D NJM2058D TC9184APTC74HC4051APTC9413PNJU3713D SN761200N NJM4580L MC14577CFNJM4565MNJM4580EDTC7W04FULM2940CT-5.0 DAN202U UPC7805AHF DAP202UDA204KDA204UMA142WAUN5212SI-3082V 1SS301 TC74HC123AFTC74HC153AF TC9162AFTC9163AFTC9164AFTC74HCU04AFTC9412AP LC72131 TA7805S TA79005S NJM4565LTC7S04FLA1837LA1838UPC7905AHFGND OUTPUTINPUTCAUTION: For continued safety, replace safety critical components only withmanufacturer's recommended parts (refer to parts list). indicates safety criticalcomponents. For continued protection against risk of fire, replace only with sametype and rating fuse(s). To reduce the risk of electric shock, leakage-current orresistance measurements shall be carried out (exposed parts are acceptablyinsulated from the supply circuit) before the appliance is returned to the customer.MODE CARRIER MODULATION ANT INPUTFREQUENCY DEVIATIONFM 98MHz 1kHz STEREO 67.5kHz 7.5kHz(Pilot) 60dBAM 1000(999)kHz 400Hz MONO 30% MOD 60dBThe DC voltage is an actual reading measured with a high impedance typevoltmeter as the AM/FM signal generator is specified to the conditions as shown inthe list below. The measurement value may vary depending on the measuringinstruments used or on the product. The value shown in ( ) is actual readingmeasured in the AM made.w w w . x i a o y u 1 6 3 . c o mQ Q 3 7 6 3 1 5 1 5 0 992894298T E L 1 3 9 4 2 2 9 6 5 1 3 992894298051513673QQTEL 13942296513 QQ 376315150 892498299TEL 13942296513 QQ 376315150 892498299