Denon DVD-A1UDCI - Page 39

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DVD-A1UDCI
5.2. Video/S-Video Out does not be outputted
Check Digital Video signal output for
[IC108](EPN570F256C5N) "Data Distributor"
• ABTI_CLK: 27MHz, 74.176MHz, 74.25MHz
• ABTI_VS, ABTI_HS, ABTI_DE
• ABTI_Y[9:2], ABTI_CbCr[9:2]
N.G.
Check Soldering.
• [IC108] and Circumference
• [RS167]
• [RS168][RS169][RS170]
• [RS171-178][RS179-181]
O.K.
Check Oscillation waveform.
• [X601] 3pin :30MHz
• [RR622] :30MHz
N.G.
Check Soldering.
• [X601] and Circumference
O.K.
Check control signal for [IC601](ABT2010)
• SCL, I2C:[R664]([IC601] B20pin)
• SDA, I2C:[R665]([IC601] D16pin)
O/3.3V, 100 〜 400kHz
N.G.
Check Soldering.
• [X601] and Circumference
O.K.
Check Digital Video signal output for
[IC601](ABT2010)
• ABTO_CLK: 27MHz, 74.176MHz, 74.25MHz
• ABTO_VS, ABTI_HS, ABTI_DE
• ABTO_Y[11:2], ABTI_CbCr[11:2]
N.G.
Check Soldering.
• [X601] and Circumference
• [R631]
• [R632][R633][R634]
• [R635-644][R645-655]
O.K.
Replace 8U-310002(Video Unit)