DV-620H
DV-620S
YesYes
IC6001 26PIN ADAC DA IC6001 27PIN ADAC CK IC6001 28PIN ADAC L IC6001 22PIN RSTO I
IC6001 5PIN AMCLK IC6001 3PIN ABCLK IC6001 1PIN ALRCLK IC6001 2PIN AOUT0????
????
Check the main unit.(IC601)Check the line between the pins of main unit connector CN801 and the pins of IC6001. CN801 3PIN CN801 4PIN CN801 5PIN CN801 6PIN Check or replace IC6001.Check the main unit.(IC504)Check the line between the pins of main unit connector CN801 and the pins of IC6001. CN801 10PIN CN801 11PIN CN801 12PIN CN801 16PIN Check or replace IC6001.Check the peripheral circuit of AUDIO DAC (IC6001), AUDIO AMP.(IC6004) and AUDIO MUTE (Q6007-8) circuit.
NoNoNoNoNo
YesYesYesYesYes
FLOW CHART NO.22Sound do not operate normally.Set the disc on the disc tray.Are the digital audio interface signals outputted to the pins of main unit connector CN801? CN801 3PIN AMCLK CN801 4PIN ABCLK CN801 5PIN ALRCLK CN801 6PIN AOUT0Are the digital audio interface signals inputted to the pins of IC6001? IC6001 5PIN AMCLK IC6001 3PIN ABCLK IC6001 1PIN ALRCLK IC6001 2PIN AOUT0Are the system control interface signals outputted to the pins of main unit connector CN801? CN801 10PIN ADAC DA CN801 11PIN ADAC CK CN801 12PIN ADAC L CN801 16PIN RSTO IAre the system control interface signals inputted to the pins of IC6001? IC6001 26PIN ADAC DA IC6001 27PIN ADAC CK IC6001 28PIN ADAC L IC6001 22PIN RSTO IAre the audio signals output to the specific outputted terminals? Are the audio signals outputted to the FRONT -L/R OUT terminal(J2002)?
NoYes
IC2002 12PIN CVBSIC2002 5PIN S-YIC2002 2PIN S-C
? ? ?
Check the main unit. (IC201, Q209, Q210, Q211 periphery circuit.)Check the line between the pins of main unit connector CN802 and the pins of IC2002. CN802 1PIN CN802 3PIN CN802 5PIN Check the V-MUTE line. (Collector of Q2014)Make sure that the level of pins(9), (10) and (11) of IC2002 is "L" level. Check or replace IC2002.Check the peripheral circuit of S-C/V DRIVE circuit IC2003 from the pin(14) of IC2002. Check the peripheral circuit of S-Y DRIVE circuit IC2005 from the pin(4) of IC2002. Check the peripheral circuit of S-C/V DRIVE circuit IC2003 from the pin(15) of IC2002.
NoNoNoNoNoNo
YesYesYesYes
FLOW CHART NO.21Picture do not operate normally.Set the disc on the disc tray.Are the video signals outputted to the pins of main unit connector CN802? CN802 1PIN CVBS CN802 3PIN S-Y CN802 5PIN S-CAre the video signals shown above input into the pins of IC2002? IC2002 12PIN CVBS IC2002 5PIN S-Y IC2002 2PIN S-CAre the video signal outputted to each pins of IC2002? IC2002 14PIN CVBS IC2002 4PIN S-Y IC2002 15PIN S-CAre the video signals outputted to the specific output terminal? Are the composite video signals outputted to the VIDEO OUT terminal(J2002)? Are the luminance signals outputted to the S-OUT terminal(J2003)? Are the chroma signals outputted to the S-OUT terminal(J2003)?
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ACEC
