Sharp LC-32LE280X, Руководство по обслуживанию

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LC-32LE280X/LC-40LE280X
4 – 6
No audio heard (3)
O N ? n e e r c s n o r a e p p a e g a m i I M D H e h t s e o D
YES
.t o n r o n e tt ir w si D I D E fi ti k c e h C O N m o rf t u p t u o o i d u a o N
YES
NO Check peripheral circuits
YES
O N f o
)
1,2,3,4 ( n i p t a t u p n i l a n g i s e I2S r e h t sI
YES
Is the L-ch audio signal output at pin(8), (13) NO Check IC1702 and its peripheral circuits.
of IC
YES
Are the audio signal L-ch and R-ch output at (3)/(4) and (1)/(2) of
P1701 normal? NO Check circuit between IC1702 & P1701.
YES
Check speakers and their peripheral circuits.
of IC 1702 normal?
Is the R-ch audio signal output at pin(19),(23)
No HDMI sound heard <HDMI1 / HDMI2 >
(*HDMI1 / HDMI 2 is digital audio )
Refer to “ ( HDMI1 / HDMI2 )is no external
input video screen (HDMI)”
<HDMI1 / HDMI2 >
Are waveforms output from each HDMI pin
normaly?
IC1702 ?
for each HDMI socket.
Check connection between IC3301 and IC1702
and its peripheral circuit.
1702 normal ?