Sharp LC-60LE855E (serv.man3) Service Manual ▷ View online
LC-60LE855E/K,60/70LE857E/RU,858E,70LE857K
5 – 22
8. When all the procedures are complete, the following upgrade success screen shows up.
The new software version can be confirmed on screen.
After a while, Turn off power and boot-up automaticaly.
NOTE: TV is restarted automaticaly, the AC code need not be pulled out.
9. After boot-up, the following caution shows up.
Select OK when if there is no problem.
Software update is completed, please remove the USB memory device.
NOTE: Then get the set started and call the process adjustment screen (Top Page) to check the main software version.
Update version
xxxxxxxxxxxx
[Information
Software update
USB update]
Software Update is complete.
TV
System software was successfully updated.
Remove the USB memory device.
Update version
: EXXXXXXX-2
LC-60LE855E/K,60/70LE857E/RU,858E,70LE857K
6 – 1
LC60LE855E
Service Manual
CHAPTER 6.
TROUBLESHOOTING TABLE
[1] TROUBLESHOOTING TABLE
The sound is not emitted from the Speaker & Woofer though the picture has come out.
No sound output in all modes?
YES
Do audio signals output from pins of IC3301 (Digital AV decode & Main CPU) ?
[AP11/CPU_AOLRCK, AR11/CPU_AOBCK, AN9/CPU_AOSDATA0]
[AP11/CPU_AOLRCK, AR11/CPU_AOBCK, AN9/CPU_AOSDATA0]
NO
Check IC3301 and its peripheral circuits.
YES
Do audio signals input to pins[5,6,7] of IC1703(DSP) ?
NO
Check the line between IC3301 and IC1703.
YES
Do audio signals output from pins of IC1703 ?
[21/AMP_BCLK, 26/AMP_LRCLK, 27/AMP_DATA_LR, 28/AMP_DATA_WO,
30/AMP_MCLK]
[21/AMP_BCLK, 26/AMP_LRCLK, 27/AMP_DATA_LR, 28/AMP_DATA_WO,
30/AMP_MCLK]
NO
Check IC1703 and its peripheral circuits.
YES
In the case that the sound is not emitted from the Speaker , refer to (A).
In the case that the sound is not emitted from the Woofer , refer to (B).
In the case that the sound is not emitted from the Woofer , refer to (B).
(B)
(A)
Do audio signals input to pins[5,6,7,8] of IC1901 (SP_AMP) ?
NO
Check the line between IC1703 and IC1901.
YES
Do audio signals output from pins of IC1901 ?
[27/OUTML, 30/OUTPL, 11/OUTPR, 15/OUTMR]
[27/OUTML, 30/OUTPL, 11/OUTPR, 15/OUTMR]
NO
Check IC1901 and its peripheral circuits.
YES
Is AMP_MUTE [pin(24)] of IC1901 at "H" ?
NO Check the line between IC1901 and IC3301 &
IC2004(UCOM).
(Q1702,D1702 etc)
(Q1702,D1702 etc)
YES
Do audio signals input to pins[1&2/L-ch, 3&4/R-ch] of P1903 ?
NO P1903 terminal and the peripheral circuit (L/C filter) are
checked.
YES
Check Speaker (right and left) and wire harness.
(B)
Do audio signals input to pins[5,6,7,8] of IC1902 (Woofer_AMP)?
NO
Check the line between IC1703 and IC1902.
YES
Do audio signals output from pins of IC1902 ?
[27/OUTML, 30/OUTPL, 11/OUTPR, 14/OUTMR]
[27/OUTML, 30/OUTPL, 11/OUTPR, 14/OUTMR]
NO
Check IC1902 and its peripheral circuits.
YES
Is AMP_MUTE [pin(24)] of IC1902 at "H" ?
NO Check the line between IC1902 and IC3301 &
IC2004(UCOM).
(Q1702,D1702 etc)
(Q1702,D1702 etc)
YES
Do audio signals input to pins [1/SUB(+), 2/SUB(-)] of P1904 ?
P1904 terminal and the peripheral circuit (L/C filter) are
checked.
checked.
YES
Check Woofer and wire harness.
LC-60LE855E/K,60/70LE857E/RU,858E,70LE857K
6 – 2
No sound (during the reception of TV(ANALOG) broadcasting)
Does not the sound go out though the picture has come out when UHF/VHF is received?
In the case of LE855.858 series , refer to (A)
(B)
In the case of LE857 series , refer to (B)
(A)
Does SIF signal output from pin (8) of TUNER (TU1105) ?
NO
Check the tuner and its peripheral circuits.
Replace as required.
Replace as required.
YES
Does SIF signal input to pin [AN28/CPU_SIFP] of IC3301(Digital AV decode &
Main CPU) ?
Main CPU) ?
NO
Check the line between TU1105 and IC3301.
(Q1102, etc.)
(Q1102, etc.)
YES
Refer to “The sound is not emitted from the Speaker & Woofer though the picture has come out.”
(B)
Does SIF signal output from pin (8) of TUNER (TU1101) ?
Does SIF signal output from pin (8) of TUNER (TU1101) ?
NO
Check the tuner and its peripheral circuits.
Replace as required.
Replace as required.
YES
Does SIF signal input to pin [AN28/CPU_SIFP]
of IC3301(Digital AV decode & Main CPU) ?
of IC3301(Digital AV decode & Main CPU) ?
NO
Check the line between TU1101 and IC3301.
(Q1102, etc.)
(Q1102, etc.)
YES
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) broadcasting)
Does not the sound go out though the picture has come out when DTV is received?
In the case of LE855.858 series , refer to (A)
(B)
In the case of LE857 series , refer to (B)
(A)
Do TS signals output to pins [19/T2_TS_CLK, 17/T2_TS_SYNC_HSS, 18/
T2_TS_VAL_HSS, 20~27/T2_TS_D0~7 ] of TUNER(TU1105) ?
T2_TS_VAL_HSS, 20~27/T2_TS_D0~7 ] of TUNER(TU1105) ?
NO
Check the tuner and its peripheral circuits.
Replace as required.
Replace as required.
YES
Do TS signals input to pins [T32/CPU_DEMOD_TSCLK, T35/
CPU_DEMOD_TSSYNC, T31/
CPU_DEMOD_TSVAL,T36,U36,T33,T30,V33,V32,V31,V30/
CPU_DEMOD_TSDATA0~A7] of IC3301 (Digital AV decode & Main CPU) ?
CPU_DEMOD_TSSYNC, T31/
CPU_DEMOD_TSVAL,T36,U36,T33,T30,V33,V32,V31,V30/
CPU_DEMOD_TSDATA0~A7] of IC3301 (Digital AV decode & Main CPU) ?
NO
Check the line betweenTU1105 and IC3301.
YES
Refer to “The sound is not emitted from the Speaker & Woofer though the picture has come out.”
(B)
Do TS signals output to pins [19/T2_TS_CLK, 17/T2_TS_SYNC_HSS, 18/
T2_TS_VAL_HSS, 20~27/T2_TS_D0~7 ]
of TUNER(TU1101) ?
Do TS signals output to pins [19/T2_TS_CLK, 17/T2_TS_SYNC_HSS, 18/
T2_TS_VAL_HSS, 20~27/T2_TS_D0~7 ]
of TUNER(TU1101) ?
NO
Check the tuner and its peripheral circuits.
Replace as required.
Replace as required.
YES
Do TS signals input to pins [T32/CPU_DEMOD_TSCLK, T35/
CPU_DEMOD_TSSYNC, T31/CPU_DEMOD_TSVAL,
T36,U36,T33,T30,V33,V32,V31,V30/CPU_DEMOD_TSDATA0~A7]
of IC3301 (Digital AV decode & Main CPU) ?
CPU_DEMOD_TSSYNC, T31/CPU_DEMOD_TSVAL,
T36,U36,T33,T30,V33,V32,V31,V30/CPU_DEMOD_TSDATA0~A7]
of IC3301 (Digital AV decode & Main CPU) ?
NO
Check the line between TU1101 and IC3301.
YES
Refer to “The sound is not emitted from the Speaker & Woofer though the picture has come out.”
LC-60LE855E/K,60/70LE857E/RU,858E,70LE857K
6 – 3
No sound (during the reception of TV(DIGITAL-Satellite) broadcasting)
(DIGITAL-Satellite is only function for LE857 series )
Does not the sound go out though the picture has come out when DTV is received?
Do TS signals output to pins [44/S2_TS_CLK, 48/S2_TS_SYNC_HSS, 45/
S2_TS_VAL_HSS, 36~43/S2_TS_D0~7 ] of TUNER(TU1101) ?
S2_TS_VAL_HSS, 36~43/S2_TS_D0~7 ] of TUNER(TU1101) ?
NO
Check the tuner and its peripheral circuits.
Replace as required.
Replace as required.
YES
Do TS signals input to pins [T32/CPU_DEMOD_TSCLK, T35/
CPU_DEMOD_TSSYNC, T31/
CPU_DEMOD_TSVAL,T36,U36,T33,T30,V33,V32,V31,V30/
CPU_DEMOD_TSDATA0~A7] of IC3301 (Digital AV decode & Main CPU) ?
CPU_DEMOD_TSSYNC, T31/
CPU_DEMOD_TSVAL,T36,U36,T33,T30,V33,V32,V31,V30/
CPU_DEMOD_TSDATA0~A7] of IC3301 (Digital AV decode & Main CPU) ?
NO
Check the line between TU1101 and IC3301.
YES
Refer to “The sound is not emitted from the Speaker & Woofer though the picture has come out.”
No sound from external input devices (1)
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) ? NO
Check the setting of an external input device that con-
nects with EXT1.
nects with EXT1.
YES
Do audio signals input to pins[AU35/SC1_AINL0, AU37/SC1_AINR0] of IC3301
(Digital AV decode & Main CPU) from SC505 ?
(Digital AV decode & Main CPU) from SC505 ?
NO
Check the line between SC505 and IC3301.
YES
Refer to “The sound is not emitted from the Speaker & Woofer though the picture has come out.”
No sound from external input devices (2)
Does not the sound of the audio signal input to EXT1 go out?
•Do audio signals input to pins[2/CVBS1_IN_R, 3/CVBS1_IN_L] of EXT2(J511)?
•Is CVBS_PLUG [4/CVBS1_PLUG] of J511 at "L"
•Is CVBS_PLUG [4/CVBS1_PLUG] of J511 at "L"
NO
Check the setting of an external input device that con-
nects with EXT2.
nects with EXT2.
YES
Do audio signals input to pins [AU36/CVBS1_AINR2, AP34/CVBS1_AINL2] of
IC3301 (Digital AV decode & Main CPU) ?
IC3301 (Digital AV decode & Main CPU) ?
NO
Check IC3301 and its peripheral circuits.
YES
Refer to “The sound is not emitted from the Speaker & Woofer though the picture has come out.”
No sound from external input devices (3)
Does not the sound of the audio signal input to EXT3 go out?
Do audio signals input to pins[7/COMP1_IN_R, 8/COMP1_IN_L] of EXT3(J511) ?
NO
Check the setting of an external input device that con-
nects with EXT3.
nects with EXT3.
YES
Do audio signals input to pins[AT35/COMP1_AINR1, AT37/COMP1_AINL1] of
IC3301 (Digital AV decode & Main CPU) ?
IC3301 (Digital AV decode & Main CPU) ?
NO
Check IC3301 and its peripheral circuits.
YES
Refer to “The sound is not emitted from the Speaker & Woofer though the picture has come out.”
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