Sharp LC-60LE631M-WH - Page 17

LC-60LE631M/X-WH
6 – 2
No audio heard (1)
No sound in the UHF/VHF reception.
Is the IF output from the tuner pin (13) of TU1103 as specified? NO Check TU1103 and its peripheral circuits.
YES
Is there the signal input at pins (W3) of .stiucriclarehpirepstidna3033CIkcehCON?3033CI
YES
Is there I2S_LRCLK signal input at pin(9) of stidna7072CIdna3033CIneewtebnoitcennockcehCON?7072CI
peripheral circuits.
YES
stidna4072CIdna7072CIneewtebnoitcennockcehCON?4072CIfo)8(niptatupnilangisKLCRL_PMAerehtsI
peripheral circuits.
YES
Is the L-ch audio signal output at pin(28) and (30) of IC2704 normal? NO Check IC2704 and its peripheral circuits.
Is the R-ch audio signal output at pin(12) and (14) of IC2704 normal?
YES
Are the audio signal L-ch and R-ch output at (4)/(5) and (1)/(3) of
P2702 normal?
NO Check circuit between IC2704 & P2702.
YES
Check speakers and their peripheral circuits.