Denon DBT-3313UDCI Service Manual

Also see for DBT-3313UD: Owner's manual Manual Getting started Quick start guide

Contents

Denon DBT-3313UDCI Service Manual Manual pdf 39 page image

394. DISPLAY (Display Board)YesYesYesYesYesYesYesFL TUBE doesn't light.Does not appear when press the "DIMMER" on theremote control.May be DIMMER was working.Also, May be "PURE DIRECT" was working.CHeck VFD_RST(U2#9).Is voltage more than 2.6V ?To replace the parts to check there is nothing wrongwith the connection circuit VFD_RST. (Such as a cableof Q19, Q17, XP4, XP4) Abnormal when there is nosubstrate to replace the MAIN PCB.Is VH(U2#6) set to the 29V~35V?To replace the parts to check there is nothing wrongwith the circuit connection of VH. Such as cable, XP4(ZD602, D609, Q16, Q13, Q14, +12 V, XP4Check Between F-(U2#52) and F+(U2#1) .Is voltage 3.78V~4.62V?To replace the parts to check there is nothing wrongwith the connection circuit F +, of F-. Such as cable,XP4 (U700, D610, D611, D612, +12 V, XP4Check F-(U2#52).Is voltage 2.0V~3.0V?Chek VDD(U2#7).Is voltage 3.0V~3.6V?To replace the parts to check there is nothing wrongwith the connection circuit of VDD. (Such as a cableof XP4, XP4)Abnormal when there is no substrate toreplace the MAIN PCB.Check the output signal to VSTB(U2#10),VCLK(U2#11), VDATA(U2#12).Is voltage set to "H"(more than 2.6V)(U2#10), VCLK (U2#11), to replace the parts to checkthere is nothing wrong with the connection circuit (U2# 12) VDATA VSTB. (Such as a cable of XP4, XP4)Abnormal when there is no substrate to replace theMAIN PCB.VFD and (U2), abnormality of the peripheral circuits.Check the location of the abnormality, and correct it.NoNoNoNoNoNoNo