BD-HP17U
4 – 3
No audio signal output from the Optical and Coaxial terminal.
Is there digital audio signal at SC5601: 23 pin?
NO
YES
Check the CN2301, J2401, CN2401 and their
peripheral circuits.
Check the R7392, IC7201 and the peripheral circuits.
FLOW CHART No. 5
FLOW CHART No. 6
NO
When connecting to the USB memory terminal, the software cannot be updated.
Or, BD-LIVE cannot be enjoyed.
Replace the USB memory and recheck.
Does the USB work normally?
Is 5V applied to the pin 1 of J7002?
The USB memory is defective.
Is 5V applied to IC4802: 1 pin?
Check the connector soldering.
Is the level of IC4802: 4 pin at Low?
Check or replace the
peripheral circuits of
IC7201.
Is 5V applied to IC4802: 5 pin? Replace IC4802.
Check the POWER PWB.
Is a signal sent to J7002: 2, 3 pin? Check the J7002 soldering.
Check or replace L4802.
Check or replace the peripheral
circuits of IC7201.
NO
YES
NO
YES
NO
YES
NO
YES
YES
YES
NO
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