LC-40E67U/LC-40E77U
6 – 14
No monitor audio output
Is the audio output from the monitor set at “VARIABLE” or
“FIXED” on the menu screen?
NO
Check IC8001 (CPU) and its peripheral circuits.
YES
Are there the audio signal outputs (I2S Line) at pins (H4)
(LINE_LRCLK), (J4) (LINE_MCLK), (K3) (LINE_BCLK) and (K4)
(LINE_DATA) of IC8001 (CPU)?
NO
Check IC8001 (CPU) and its peripheral circuits.
YES
Does the audio signal come from pins (H4/J4/K3/K4)
(LINE_LRCLK/LINE_MCLK/LINE_BCLK/LINE_DATA) of IC8001
to pins (4) (LRCLK), (1) (MCLK), (2) (BCLK) and (3) (DATA) of
IC1301 (Audio DAC)?
NO
Check IC8001 (CPU) and each signal lines/its peripheral circuits.
YES
Does the audio signal come from pins (11) (AOUTL) and (10)
(AOUTR) of IC1301 to pins (4) (L) and (2) (R) of J507?
NO
Check the line between IC1301 and J507 and their peripheral
circuits.
YES
Check the LINE_MUTE line and its peripheral circuits (Q1310/
Q1311, etc).
Check the connector (J507) and their peripheral circuits, and
speakers and the Cable.
Summary of Contents for LC40E67U - LC - 40" LCD TV
Page 23: ...LC 40E67U LC 40E77U 5 5 8 click means COMPLETE 9 Click OK ...
Page 25: ...LC 40E67U LC 40E77U 5 7 12 Click means COMPLETE 13 In the screen below click Debug Settings ...
Page 27: ...LC 40E67U LC 40E77U 5 9 ...
Page 64: ...LC 40E67U LC 40E77U 6 17 MEMO ...
Page 90: ...LC 40E67U LC 40E77U 9 17 MEMO ...
Page 111: ...LC 40E67U LC 40E77U ...
