LC-32LE250M
7 – 5
No audio heard (2)
No external audio heard
<INPUT 2>
Is there the L-ch audio signal input from pin (30) of input terminal
TL563 to pin (26 ) of IC 3301?
Is there the R-ch audio signal input from pin (26) of input terminal
TL563 to pin(27) of 3301?
<INPUT 3>
Is there the L-ch audio signal input from pin (20) of input terminal
TL539 to pin (23) of 3301?
Is there the R-ch audio signal input from pin (15) of input terminal
TL539 to pin (24 ) of IC3301?
YES
Is there the I2C signal input at pin (42), (43) of IC3301?
NO
Check IC3301 and its peripheral circuits.
YES
Is there audio signal input at pin(22),(32) of IC1702?
NO
Check connection between IC3301 and IC1702 and its periph-
eral circuits.
YES
Is the L-ch audio signal output at pin(10),(11),(16),(17) of
NO
Check IC1702 and its peripheral circuits.
Is the R- ch audio signal output at pin(2),(3),(8),(9) of IC1702
YES
Are the audio signal L-ch and R-ch output at (3)/(4) and (1)/(2) of
P1702 normal?
NO
Check circuit between IC1702 & P1702 .
YES
Check speakers and their peripheral circuits.
IC1702
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 ...
