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BD-HP90U
Flowchart 3
Is there the digital audio signal output at TL7295?
Check IC7208 and its peripheral circuits. Replace any of them as
required.
Flowchart 4
Failure to update the software even with the USB memory in its terminal. Or BD-LIVE malfunctioning.
Replace the USB mem-
YES
ory and check again the
updating. Does the USB
system function?
NO
Is the 5V voltage applied
NO
to Pin 1 of J1201?
YES
Check IC7208 and its
peripheral circuits.
Replace any of them as
required.
No audio from the coaxial digital terminal.
YES
USB memory defective.
Is the 5V output fed to
Pin 1 of IC7207?
YES
Check P1202, P7202,
connection cables and
soldering condition.
Replace any of them as
required.
NO
Check Pin 3 of J7202. Replace this parts as required.
Is the voltage at Pin 4 of
NO
IC7207 at high level?
YES
Is the 5V voltage applied
art Pin 5 of IC7207?
YES
Check IC7207 and its
peripheral circuits.
Replace any of them as
required.
4 – 2
Check IC7208 and its periph-
NO
eral circuits. Replace any of
them as required.
Check IC7208 and its periph-
eral circuits. Replace any of
NO
them as required.
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