Kenwood KRF-V9992 Service Manual

Also see for KRF-V9992D: User guide Operating manual Connection and setup guide Service manual

R9261000P 1000P 1000P 1000PW19411K234561011C910V-31KR912C913 C912 C91112 V-4WIDE345V-2V-1SYNC67 +5V10 CONT-BCONT-P89GNDCONT-A11GNDGND32C127 0.22u50+GND1V-GNDFRONT-Y1312C507 2.2u50C128 0.022+9FRONT-CFRONT-V1110TAPE-2-5V+5V78910121178DATA4VSTCLK56FAN-H/LFAN-ON23MUTE1+5V5V+5V+5V-5V+5V5V+5V4 GND27282524262221191820151723OUT10111214136897GND1354VSSCLKVDDR66C72220C71R65R671K1K220P 220P220K 220KR44R43C41 C42R42R411K1KR45R46220PC43220P C44220K220KR47 R48R59C49220P220KR57220R58R54R53C50220P 220P220PC47 C48220R60220K 220K220KR551KR561KR62R61220PC51 220PC521K220KR63 220KR641K2019181716151413121110987654321NCNCNCPRE OUT RchPRE OUT LchROOM B BUF LchROOM B BUF RchGNDROOM A SEL LchROOM A SEL RchGNDROOM B SEL RchROOM B SEL LchGNDVIDEO1 REC LchVIDEO1 REC RchVIDEO2 REC RchVIDEO2 REC Lch-17V+17V4321STBDATACLKDGND123 8+4.7u50+C67R87 100C63220K+C62 + C666547220KC64C68R88 100C57566516DATA2STBV3 PLAYV2 PLAYV1 PLAYOUTV2 PLAYV3 PLAYV4 PLAYROOM AOUTV1 PLAY26374812R70470KC53100PR71470KR69470K151613161513128764320.01C54+17V+17V+17V +17V +17V+17V+17V+17V+17V17V-17V17V17V17V17V220P 220P220K220K220R68C61 C6510u50R86 R8547P47P100P 100P150P4.7u5010u50150PC55B+B+5V+5V +5V+5VD925VRAVRQ902D95 QD94D933/6X08-CN19E18CN27CN11D901,902 : MA111D92-95 : DA204KQ902 : 2SA1611(M5,M6)Q54 : UN5212 or DTC124EUAQ53 : UN5119 or DTA113ZUAQ15-17,55 : 2SC4213(B)Q12,14,30,31,52,901 : 2SC4081(R,S)IC91 : NJM4580LIC90 : BA7645NIC53 : NJU3713DIC52 : MC14577CFIC13 : TC74HC4051APIC11,12,51 : SN761200N-CN265/6X25-A/7X25-A/75/6-CN25(AUDIO)INPUT SEL.Lch 2Rch 1J5PRE OUT (ROOM B)SECOND ROOMRch 1PLAY INVIDEO 4Lch 2J3Lch 4Rch 3VIDEO 3PLAY INLch 4VIDEO 1REC OUTRch 3Lch 2VIDEO 2PLAY INRch 1J4PLAY INVIDEO 1Lch 6Rch 5CN2CN10-CN28X25-A/75/6-CN22X25-A/75/6IC5IC5LINE BUFFROOM B(BOTTOM VIEW)VIDEOIC5 : NJM4565DIC4 : TC9163AFDEF(1/2)(2/2)(AUDIO)ROOM B:(ROOM A:)ABA AABB BGND LINESIGNAL LINEB LINEB LINE4.2V5.0V16.3V-16.5V16.3V-16.5V4.9VFKRF-V9992D(M) (2/6)EDVR-3090/3100(K,P) (2/6)IC4GH(X11-380X-XX) (B/7)VR-3100(K,P) ONLYVR-3100(K,P) ONLY(X25-604X-XX) (B/7)AE AF AH AJ AL ANAG AI AK AMKRF-V9992D/VR-3090/3100Y05-3900-102SC3944DTA124EUANJM4565DCAUTION: For continued safety,replace safety critical componentsonly with manufacturer's recom-mended parts (refer to parts list).indicates safety critical compo-nents. For continued protectionagainst risk of fire, replace only withsame type and rating fuse(s). Toreduce the risk of electric shock,leakage-current or resistance mea-surements shall be carried out(exposed parts are acceptably insu-lated from the supply circuit) beforethe appliance is returned to the cus-tomer.The DC voltage is an actual readingmeasured with a high impedancetype voltmeter with no signal input.The measurement value may varydepending on the measuring instru-ments used or on the product.