Denon DVD-2930 Service Manual

Also see for DVD-2930CI: Supplementary guide Operating instructions Specifications Specification Operating instructions

Contents

30DVD-2930/2930CI(2) CD or DVD check process(3) SACD check processCheck the RF signal.GU-3729-1(MAIN UNIT)• Check the voltage of Test-Point (TP))• TP[mAMON1] [AMON2]: differential output about700mVp-pN.G. Check Soldering.GU-3729-1(MAIN UNIT)• Check the circumference soldering of [IC157]O.K.Check Power Supply Voltages.GU-3729-1(MAIN UNIT)• [IC401]+3.3_D2, +2.5_D2 OK?N.G. Check Soldering.GU-3729-1(MAIN UNIT)• [IC101](BA25BCOFP-E2)O.K.Check Oscillation waveform.GU-3729-1(MAIN UNIT)• [IC401](CXD2753): 11pin33.87MHz(3.3V) OK?N.G. Check Soldering.GU-3729-1(MAIN UNIT)• [IC401]: 11pin, R271O.K.Check Reset signal.GU-3729-1(MAIN UNIT)• [IC401]: 9pin"H" level OK?N.G. Check Soldering.GU-3729-1(MAIN UNIT)• R422O.K.Check Bus Line.GU-3729-1(MAIN UNIT)Check Address, Data Bus betweenGU-3729-1(MAIN UNIT)[IC401] and [IC409](SDRAM)"H" "L" alternate?N.G.Check Soldering.• Address, Data Bus, Control Signal.[DQ0-7], [D_MA0-11], [DCLK], [DCKE], [DWE],[DCAS], [DRAS]• R440-459, R404-408O.K.Check Data Line.GU-3729-1(MAIN UNIT)• [SD0-7], [XSAC], [XSHD2], [SDCK], [SDEF], [XSRQ]"H" "L" alternate?N.G.Check Soldering.GU-3729-1(MAIN UNIT)• [IC401]:164-176pin, R271• [IC414]O.K.Check signal for Water Mark.GU-3729-1(MAIN UNIT)• PSP_MCK, PSP_WAD1-PSP_WAD7"H" "L" alternate?• The test mode "TE" is executed. 190 over?N.G.Check Soldering.GU-3729-1(MAIN UNIT)• [IC401]: 1, 23, 117-120, 111-114pinR418, R421, RR406-411O.K.ENDEND