Denon DHT-1312XP Service Manual

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Contents

Denon DHT-1312XP Service Manual Manual pdf 34 page image

342. Analog videoYESYES YESYESMONITOR OUT(CVBS) Output NGCheck ±5V+5V : C755-5V : C754Check outputOutput V : IC71-1pinCheck cable between main unit andmonitor or Check monitor.Check set value of IC.SW1 : IC71-14pin : 3.3V : OKSW2 : IC71-10pin : 3.3V : OKSW3 : IC71-4pin : 3.3V : OKSW4 : IC71-6pin : 3.3V : OKThe IC71 and surroundingcircuitry is defective.The power supply circuitry isdefective.Check input(When the DVD function)Vin5 : IC71-3pinCheck pattern from JK71 to IC71 andcheck cable between AMP and player orcheck player .CPU(IC91) flaw.NONO NONOC799C747CN43J1BN12C720 R 779C787IC73R 778IC74C731R 780R 783ET71 R 782C783C629RN83C795IC60C 791C792IC83C755C779C780C859JK73R 766R 852R823R 760IC70 R 861C757IC69 RN88 R N87RN86R768C843JK72IC81 C 756 IC72C751RN89C749C 766C728C770C772R609CN71R845C763D606D605 C842R 856R857R858R859R N82R838R737C723R881R860R839C804RN81C839R 943X801R808R809R 944 C827C882R819C814C836BD83R 805C 923C 743R793R720R721R719R718C707J3C659R673R672R671C658R 758R792R 757R725R724C705C709R697C657R677R676C660C737C708R 713R696R680R 681 C662R 797R 799 C 682R 795C661R678C830J2C829JK82IC65IC64IC62IC66C663C732C618Q609Q608X901R912R N92C637C913C 917R 913C641C646RN93C642C643R 916IC94C645IC92C908R955C634C635R638R928C644C648R642R643R651R640Q901L602C610C612C611R910R954IC96C902R659R658ET91R906C928C955D 903C 958C785C959C 745 C N9AC957 C 790OC796IBD62C 961 IC71R 771R855 R763R 764R765C769IC CN8AR 844R846R612C 722R 945R 946 R 824R 825R826R 827 R813 C 822C 824JK71R 9215.DGND R9227.DGND R829 C9249.DGND8.HDMI_SDA R93510.HDMI_SCL11.DGNDBD 9112.INT1_RX13.INT2_RXBD92 R 93614.INT_TX15.HDMI_RSTBD 93BD 94R959C742C 74121.HDMI_LRCLKBD95 R 75411.KEY1 23.HDMI_MCLKR686R6708.VOL-C656R727C679R 711 R695R6794.AGND R729R800 R7462.-12V R798 R7961.+12VC7357.N.CC6984.AGND R 791R7901.-12VC627R625R623C628R624R626C916C 623R 929R 621R930R620C 624R915R932R 933R622R 931C619C 911R 615R 616C 620R 917 R 618CN92C633C 918R903R 902C613C 926C 927C607TU611.VGND3.+5VH4.DGND6.+5VD7.+5VD10.-12V13.+12V 2.AUX_CV14.MCU+5V 1.VGND2.HDMIOSD_MO4.HDMIOSD_CLK22.MCUGND 6.HDMIOSD_HOLD21.MCU+3V318.VFD_DATA15.VFD_RST 17.HDMI_SDAA019.HDMI_SDAA25.MCU+5VR 60713.NC12.NC11.LIMIT3.DGND1.+5VHC797C730R 781IC68C793C781C782C7787805C718C7717905C726C860C768C765BK61R854R867R851R866RN90C754C759C725C724R613IC82C764C825R 942R736CLK R812SDOUTIC85IC84RXP2C816CN91C808C813C692R705R704R702C691C675R689R688R687C674IC67R 738C710R726R712C695C690R709C689C693C694R710C673R693R692C676C678R694JK81R728C711C665R748R652IC63C66410MHzC914C713C712R735C697C696C680IC61C617C974C975C915RN91R920C717C639C636 C6381312E3R 914IC91C650C6401312E1CR937CN93R 901R926R 927C905C906R956R639C954C909R905C921JK62 L601Q903IC95C649C956R 908R953C904CN42ET01L-OUTR-OUTCERESET2.+5VHR 940BD63R 784C789GRN84R 785C960R853R767ICTRN80R847ADJ2R837R842C806RPX-OUTLRCKC826C8111.HDMIOSD_MIR 828R 830JK91R92316.DGNDC810C81510.KEY218.HDMI_SDAA122.HDMI_SCLKR7039.KEY37.VOL+C706R708C672C 736CN1AR794R745C681X10K R 6194K710K R 61710K10K R 608C907R904C919IC93SCLKVCCSDIOINT2.+5VH5.DGND8.DGND9.DGND12.PRE_GND11.PRE_GND3.VGND15.MCUGND23.MCUGND3.HDMIOSD_CS24.576MHz20.MCU+3V319.PWR_RLY17.VFD_CLK16.VFD_CE14.REMOTE_IN13.ST BY_LEDG12.ST BY_LDER20.HDMI_SDAA36.HP_DET5.VAUX_R3.VAUX_LPb2._MIC_DET3.MIC_SIGNAL6.3D_LEDB8.SUB_MUTE7.SB_MUTE4.C_SUR_RLY1.PROTECTION4.DGNDRN85SCLKLRCKBK61R820CN2AA30C5/C51312E2/EA1.FL9.PWR_RLY10.LIMIT_DET6.P_DOWN5.HP_RLY2.FRONT_RLY5.+1V87805ADJ1DATA0BAR CODE LABELR917R91614.AGND15.SBL11.SW13.SBR8.AGND7.SR6.AGND9.FR2.AGND3.SL4.AGND5.CT3.C_SUR_RLYMP_CUP12375Z12.AGND10.AGNDAVIDEO test pointC83C755C779R766R760C757R768C843C756IC71R771R765R844R846C860C754C759R767RN85SCLKOutput V SW3Input V SW4+5V -5VSW1 SW2Detail AINPUT (COMPONENT SIDE)