Sharp LC-60LE830E Service Manual page 47

LC-60LE635E(B),RU(B)/636E(B),S(B)/638E(B)
Does not the sound go out though the picture has come out when DTV is received?
Do TS signals output to pins [44/TS_TUOUT_CLK, 46/
TS_TUOUT_SYNC, 45/TS_TUOUT_VAL, 43~36/
TS_TUOUT_D0~7] of TUNER(TU1102)?
Do TS signals input to pins [45/S2_TS_CLK, 46/S2_TS_SYNC,
47/S2_TS_VAL, 48,51~57/S2_TS_DATA0~7] of IC4402 (CI Cont
& DTB-T/C Demod)?
Do TS signals output to pins [15/DEMOD_TS_DATA0, 16/
DEMOD_TS_SYNC, 17/DEMOD_TS_VAL, 18/
DEMOD_TS_CLK] of IC4402?
Do TS signals input to pins [U30/DEMOD_TSDATA0, V30/
DEMOD_TSSYNC, V29/DEMOD_TSVAL, U32/
DEMOD_TSCLK] of IC3303 (Digital AV decode & Main CPU)?
Refer to "The sound is not emitted from the Speaker & Woofer though the picture has come out."
Does not the sound of the audio signal input to EXT1 go out?
Do audio signals input to pins [2/AUDIO_IN_R, 6/AUDIO_IN_L]
of EXT1 (SC505)?
Do audio signals input to pins [AM32/SC1_AINR0, AM30/
SC1_AINL0] of IC3303 (Digital AV decode & Main CPU) from
SC505?
Refer to "The sound is not emitted from the Speaker & Woofer though the picture has come out."
No sound (during the reception of TV (DIGITAL-Satellite) broadcasting)
(DIGITAL-Satellite is only function for LE635E,RU/638E series)
YES
YES
YES
YES
No sound from external input devices (1)
YES
YES
NO Check the tuner and its peripheral circuits.
Replace as required.
NO Check the line between TU1102 and IC4402.
NO Check IC4402 and its peripheral circuits.
NO Check the line between IC4402 and IC3303.
NO Check the setting of an external input device that connects with
EXT1.
NO Check the line between SC505 and IC3303.
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