LC-32LE250M
7 – 4
No audio heard (1)
No sound in the UHF/VHF reception.
Is the IF output from the tuner pin (8) of TU1101 as specified?
NO
Check TU1101 and its peripheral circuits.
YES
Is there the I2C signal input at pins (42), (43) of IC3301?
NO
Check IC3301 and its peripheral circuits.
YES
Is there audio signal intput at pin(22),(32) of IC1702?
NO
Check connection between IC3301 and IC1702 and its
peripheral circuits.
YES
Is the L-ch audio signal output at pin(10),(11),(16),(17) of IC1702
NO
Check IC1702 and its peripheral circuits.
Is the R-ch audio signal output at pin(2),(3),(8),(9) of IC1702 normal ?
YES
Are the audio signal L-ch and R-ch output at (3)/(4) and (1)/(2) of
P1702 normal?
NO
Check circuit between IC 1702 & P1702.
YES
Check speakers and their peripheral circuits.
normal ?
Summary of Contents for LC-32LE250M
Page 9: ...LC 32LE250M 4 1 CHAPTER 4 DIMENSIONS 1 DIMENSIONS Unit mm ...
Page 27: ...LC 32LE250M 9 2 A C B D E F G H 2 10 9 8 7 6 5 4 3 1 ...
Page 28: ...LC 32LE250M 9 3 A C B D E F G H 2 10 9 8 7 6 5 4 3 1 LED A Chip LED A Symbol ...
Page 29: ...LC 32LE250M 9 4 A C B D E F G H 2 10 9 8 7 6 5 4 3 1 LED B Chip ...
Page 61: ...LC 32LE250M 9 ...
Page 62: ...LC 32LE250M 10 ...
Page 63: ...LC 32LE250M 11 ...
