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LC-20B6E (serv.man9). Troubleshooting table - Sharp TV Service Manual (repair manual). Page 6

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31
LC-20B6E
No sound 
(2/2)
No sound from SCART
SCART sound failure
TV sound failure
Check all the settings microprocessor's adjust process menu.
 Is output at pins (36) and
 Check IC3201 and its
 Is input at pins (2) and
 Check theire lines and
 Is output at pin (20)
 Check th
e tuner,IC2203
 (37) of IC3201 normal?
No
 peripheral parts.
 (4) of IC3401 normal?
No
 theire peripheral parts.
 of IC2203 normal?
No
 and their peripheral parts.
Ye
s
Ye
s
 Is output at pins (1) and 
 Check IC3210 and its
 Is input at pin (67)
 Check IC3201 and its
 (7) of IC3210 normal?
No
 peripheral parts.
 of IC3201 normal?
No
 peripheral parts.
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LC-20B6E (serv.man9) Service Manuals

Preview DownloadPagesSize
LC-20B6E (serv.man2) Electrical specification Service Manual 1 45.28 KB
LC-20B6E (serv.man25) Source of documentation Service Manual 2 140.45 KB
LC-20B6E (serv.man24) Packing of the set Service Manual 1 62.72 KB
LC-20B6E (serv.man23) Cabinet and mechanical parts Service Manual 1 214.46 KB
LC-20B6E (serv.man22) Component location tables Service Manual 7 146.95 KB
LC-20B6E (serv.man21) Printed wiring board assemblies Service Manual 8 3.45 MB
LC-20B6E (serv.man20) R C LED Service Manual 1 373.17 KB
LC-20B6E (serv.man19) Analogue unit 3-5 Service Manual 6 5.17 MB
LC-20B6E (serv.man18) Analogue unit 1-2 Service Manual 4 4.83 MB
LC-20B6E (serv.man17) main unit 7-9 Service Manual 6 7.48 MB
LC-20B6E (serv.man16) main unit 4-6 Service Manual 4 4.19 MB
LC-20B6E (serv.man15) main unit 1-3 Service Manual 4 4.12 MB
LC-20B6E (serv.man14) description and control unit Service Manual 2 287.5 KB
LC-20B6E (serv.man13) Overall wiring diagram Service Manual 2 909.94 KB
LC-20B6E (serv.man12) Block diagram Service Manual 2 203.62 KB
LC-20B6E (serv.man11) Chassis layout Service Manual 2 132.39 KB
LC-20B6E (serv.man10) Major ICs Information Service Manual 26 418.91 KB
LC-20B6E (serv.man8) Public mode setting procedure Service Manual 5 132.25 KB
LC-20B6E (serv.man7) Removing of major parts Service Manual 5 238 KB
LC-20B6E (serv.man6) Adjusting procedure of each section Service Manual 5 216.41 KB
LC-20B6E (serv.man5) Dimensions Service Manual 1 135.12 KB
LC-20B6E (serv.man4) Service Manual 4 457.16 KB
LC-20B6E (serv.man3) Important service safety precaution Service Manual 2 93.76 KB
LC-20B6E Cover contents Service Manual 1 78.92 KB
LC-20B6E (serv.man27) User Guide / Operation Manual 48 3.35 MB
LC-20B6E (serv.man26) Parts listing Parts Guide 10 153.01 KB
LC-20B6E (serv.man28) Precautions when replacing LCD panel Technical Bulletin 1 5.28 KB
LC-20B6E (serv.man29) No operation or stuck in standby Technical Bulletin 1 5.72 KB

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