DOWNLOAD Sharp LC-60LE822E (serv.man12) Service Manual ↓ Size: 973.75 KB | Pages: 17 in PDF or view online for FREE

Model
LC-60LE822E (serv.man12)
Pages
17
Size
973.75 KB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD / Troubleshooting Table
File
lc-60le822e-sm12.pdf
Date

Sharp LC-60LE822E (serv.man12) Service Manual ▷ View online

LC-60LE822E/LC-60LE822ERU
7 – 1
LC-60LE822E
Service Manual
 
CHAPTER 7. 
TROUBLESHOOTING TABLE
[1] TROUBLESHOOTING TABLE
No power (Central Icon LED failure to light up) or No startup (Central Icon LED is flashing)
                                            
Is the AC cord connector tightly connected to the set?
NO
Reconnect the AC cord tightly and turn on the power again.
YES
Are the wire harnesses and other cables properly connected in 
the set?
NO
Reconnect the wire harnesses and other cables properly in the 
set.
YES
Is there the pins (11/BU+5V) of P9601as specified?
NO
Replace the power unit.
YES
Is there the pins (10/PS_ON) of P9601 at “H”?
NO
Check the signal line between PS_ON and IC2002.
YES
Is there the pins (9/AC_DET) of P9601 at “H”?
NO
Check the power unit, and the signal line between AC_DET and 
IC2002. 
YES
Is there the pins (1, 2, 3, 4/UR+13V) of P9601 at “H”?
NO
Check the signal line between PS_ON and IC2002. 
YES
Are the DC/DC converter outputs and the output voltages along 
the control lines as specified?
NO
Check the DC/DC converters and the control lines.
Replace defective parts as required.
1) BU3.3V      (IC9609 etc.)
2) D3.3V        (IC9605 etc.)
3) D5.6V        (IC9608 etc.)
4) D5V           (IC9612 etc.)
5) D+1.8V      (IC9606 etc.)
6) D+1.05V    (IC9604 etc.)
7) STB+3.3V  (Q9604 etc.)
8) S+8V         (IC9610 etc.)
9) CPU+1.2V (IC9603 etc.)
LC-60LE822E/LC-60LE822ERU
7 – 2
The sound is not emitted from the Speaker & Woofer though the picture has come out.
No sound output in all modes?
YES
Is the signal output from pins (F30/AOLRCK), (F28/AOBCK) 
(G28/AOSDATA0) of IC3302 (Digital AV decode & Main CPU)?
NO
Check IC3302 and its peripheral circuits.
YES
Is the signal sent to pins (7), (8), (9) of IC2701 (DSP)?
NO
Check the line between IC3302 and IC2701.
YES
Is the signal output from pins (43/AOBCKL), (44/AMP_LRCLK), 
(45/AMP_DATA_LR), (46/AMP_DATA_SW), (47/AMP_MCLK) of 
IC2701?
NO
Check IC2701 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)
(B)
(A)
Is the signal sent to pins (5), (6), (7), (8) of IC2703 
(SP_AMP)?
NO
Check the line between IC2701 and IC2703.
YES
Is the audio signal output from pins (28/OUTML), (30/
OUTPL), (12/OUTPR), (14/OUTMR) of IC2703?
NO
Check IC2703 and its peripheral circuits.
YES
Is the audio signal input to pins (1, 2/L-ch), (3, 4/R-ch) of 
IC2703?
NO
P2701 terminal and the peripheral circuit (L/C filter) are checked.
YES
Check Speaker (right and left) and wire harness.
Is the signal sent to pins (5), (6), (7), (8) of IC2702 
(Woofer_AMP)?
NO
Check the line between IC2701 and IC2702.
YES
Is the audio signal output from pins (28/OUTML), (30/OUTPL), 
(12/OUTPR), (14/OUTMR) of IC2702?
NO
Check IC2702 and its peripheral circuits.
YES
Is the audio signal input to pins (1/SUB(+)), (2/SUB(-)) of 
IC2702?
NO
P2702 terminal and the peripheral circuit (L/C filter) are checked.
YES
Check Woofer (right and left) and wire harness.
LC-60LE822E/LC-60LE822ERU
7 – 3
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?
                                            
Is a SIF signal output from pin (13) of TUNER (TU1101)?
NO
Check the tuner and its peripheral circuits.
Replace as required.
YES
Is a SIF signal input to (AB27/S_IF) of IC3302 (Digital AV decode 
& Main CPU) from pin (13) of TU1101?
NO
Check the line between TU1101 and IC3302.
(Q1104, etc.)
YES
Refer to “No sound output in all modes.”
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?
                                            
Is IF signal output to pins (10, 11) of TU1101?
NO
Check the tuner and its peripheral circuits.
Replace as required.
YES
Is IF signal sent to pins (14, 15) of IC1102 (Multiplexer)?
NO
Check the line between TU1101 and IC1102.
YES
Are pins (9, 10, 11) of IC1102 at H/L?
                                           
H
                                            
L
Is IF signal sent to pins (AA29/D__IF_P, AB29/D__IF_N) of 
IC3302 (Digital AV decode & Main CPU)?
YES
Refer to “No sound output in all modes.”
Is IF signal sent to pins (41/INM, 42/INP) of IC1106?
NO
Check the line between IC1102 and IC1106.
YES
Is signal output to pins (17/CTS_CK_60MHz, 18/CTS_SY, 19/
CTS_VA, 21/CTS_D0) of IC1106?
NO
Check IC1106 and its peripheral circuits.
YES
Is  signal sent to pins (2, 3/CS_TS_CK, 5, 6/CS_TS_SY, 10, 11/
CS_TS_VA, 14/CS_TS_D7) of IC4409 (TS SW)?
NO
Check the line between IC1106 and IC4405.
YES
Is pins (2) of IC4409 at H?
NO
Check the line between IC4409 and 21pins of IC4405.
YES
Is signal sent to pins (11/TS_DATA1, 12/TS_DATA2, 13/
TS_DATA3, 14/TS_DATA4) of IC4405?
NO
Check the line between IC1106 and IC4405.
YES
LC-60LE822E/LC-60LE822ERU
7 – 4
Is signal output to pins (122/TS_VALIDO, 123/TS_CLKO, 124/
TS_DATAO, 124/TS_SYNCO) of IC4405?
NO
Check IC4405 and its peripheral circuits.
YES
Is signal sent to pins (A30/TS_CPUIN_VAL, B30/
TS_CPUIN_CLK, C30/TS_CPUIN_SYNC, C29/TS_CPUIN_D0) 
of IC3302 (Digital AV decode & Main CPU)?
NO
Check the line between IC4405 and IC3302.
YES
Refer to “No sound output in all modes.”
No sound (during the reception of TV (DIGITAL-Satellite) broadcasting)
Does not the sound go out though the picture has come out when DTV is received?
                                            
Is signal input to TU1301?
NO
Check the setting of an external input device that connects with 
TU1301.
YES
Is signal sent to pins (2, 3/CS_TS_CK, 5, 6/CS_TS_SY, 10, 11/
CS_TS_VA, 14/CS_TS_D7) of IC4409 (TS SW)?
NO
Check the line between TU1301 and IC4409.
Check TU1301 and its peripheral circuits (IC1301 etc. 
⋅⋅⋅).
Replace as required.
YES
Is pins (2) of IC4409 at L?
NO
Check the line between IC4409 and 21pins of IC4405.
YES
Is signal sent to pins (4/CS_TS_SCK, 7/CS_TS_SSY, 9/
CS_TS_SVA, 12/CS_TS_SDATA) of IC4409?
NO
Check IC4409 and its peripheral circuits.
YES
Is signal sent to pins (11/T0_DATA1, 12/T0_DATA2, 13/
T0_DATA3, 14/T0_DATA4) of IC4405?
NO
Check the line between IC4409 and IC4405.
YES
Is signal output to pins (122/TS_VALIDO, 123/TS_CLKO, 124/
TS_DATAO, 124/TS_SYNCO) of IC4405?
NO
Check IC4405 and its peripheral circuits.
YES
Is signal sent to pins (A30/TS_CPUIN_VAL, B30/
TS_CPUIN_CLK, C30/TS_CPUIN_SYNC, C29/TS_CPUIN_D0) 
of IC3302 (Digital AV decode & Main CPU)?
NO
Check the line between IC4405 and IC3302.
YES
Refer to “No sound output in all modes”.
Page of 17
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  • DOWNLOAD Sharp LC-60LE822E (serv.man12) Service Manual ↓ Size: 973.75 KB | Pages: 17 in PDF or view online for FREE
  • Here you can View online or download the Service Manual for the Sharp LC-60LE822E (serv.man12) in PDF for free, which will help you to disassemble, recover, fix and repair Sharp LC-60LE822E (serv.man12) LCD. Information contained in Sharp LC-60LE822E (serv.man12) Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.