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7.3.1 U70 DVD, U70 DECK/(displayed
automatically)
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Problem or condition
A bus-line communications error has occurred as a result of the flat cables being inserted
incorrectly, thus preventing the system from operating.
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If U70 is displayed on the tuner/amplifier, the Cassette deck or DVD Changer cannot be
operated by remote control.
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Correction Procedure
1.To check for correct insertion of the flat cables.
n Insert each connectors until you hear a click.
n
Insert the flat cables at the back of the unit in the order indicated. Refer to Fig. 8-
2.
Make sure the white side of the cables is on your right side. Refer to Fig. 8-3.
Fig. 7-2.
Fig. 7-3.
2.Breakage of the flat cables. (Check and replace.)
3.If the problem is not corrected by items 1 and 2 above, this indicates a faulty IC.
SA-DV250:
IC901 (C2BBFD000317)
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