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LC-30HV4E (serv.man10). Troubleshooting table - Sharp TV Service Manual (repair manual). Page 10

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61
LC-30HV4E
TROUBLE SHOOTING TABLE
 (Continued)
(Display)
No 800-MHz signal input at pins (186), (187), (191), (192), (196) and (197) of IC2201.
No signal output from pins (95), (96) and (97) of IC2201.
Check IC2201 and peripheral circuits.
Is each pin normal at IC4701?
Faulty: Check IC4701 and peripheral circuits.
Is each pin normal at IC4901?
Faulty: Check IC4901 and peripheral circuits.
Is each pin normal at IC4551?
Faulty: Check IC4551 and peripheral circuits.
Check SC4501, -4502, -4503 and -4504 and their cables.
Check outputs of main unit and headphone.
Is signal waveform normal at Q2105 and Q2106?
Faulty: Check Q2105 and Q2106 and peripheral circuits.
Is signal waveform normal at IC3802 and IC3804?
Faulty: Check IC3802 and IC3804 and peripheral circuits.
Is signal waveform normal at IC3805, IC3806 and IC3807?
Faulty: Check IC3805, IC3806 and IC3807 and peripheral circuits.
Check IC3809 and peripheral circuits.
1
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2
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LC-30HV4E (serv.man10) Service Manuals

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LC-30HV4E (serv.man21) Schematic diagram - LCD control unit (Display) Service Manual 5 1.79 MB
LC-30HV4E (serv.man20) Schematic diagram - PC I F unit (AVC system) Service Manual 7 272.34 KB
LC-30HV4E (serv.man19) Schematic diagram - Power unit (AVC system) Service Manual 2 392.89 KB
LC-30HV4E (serv.man18) Schematic diagram - SR unit (AVC system) Service Manual 1 81.71 KB
LC-30HV4E (serv.man17) Schematic diagram - AV unit (AVC system) Service Manual 5 1.77 MB
LC-30HV4E (serv.man15) Schematic diagram - Main unit (AVC system) Service Manual 6 1.41 MB
LC-30HV4E (serv.man16) Schematic diagram - Front unit (AVC system) Service Manual 1 234.93 KB
LC-30HV4E (serv.man3) Contents Service Manual 1 208.62 KB
LC-30HV4E (serv.man4) Important safety precautions Service Manual 1 13.42 KB
LC-30HV4E (serv.man5) Operation Service Manual 6 708.94 KB
LC-30HV4E (serv.man6) Dimensions Service Manual 2 226.86 KB
LC-30HV4E (serv.man7) Removing of major parts Service Manual 7 517.56 KB
LC-30HV4E (serv.man8) Adjustment procedures and upgrading installed programs Service Manual 14 395.11 KB
LC-30HV4E (serv.man9) Major IC information Service Manual 19 338.29 KB
LC-30HV4E (serv.man11) Chassis layout Service Manual 2 162.98 KB
LC-30HV4E (serv.man12) Block diagrams (AVC system and Display) Service Manual 6 930.26 KB
LC-30HV4E (serv.man13) Overall wiring diagram (AVC system and Display) Service Manual 3 378.13 KB
LC-30HV4E (serv.man14) Descriptions of schematic diagrams and waveforms Service Manual 2 156.25 KB
LC-30HV4E (serv.man44) User Guide / Operation Manual 74 3.67 MB
LC-30HV4E (serv.man43) Dimensional drawings User Guide / Operation Manual 3 253.1 KB
LC-30HV4E (serv.man42) Appendix User Guide / Operation Manual 6 55.07 KB
LC-30HV4E (serv.man32) Configuring an XBOX 360 with your Sharp LCD-TV User Guide / Operation Manual 5 846.53 KB
LC-30HV4E (serv.man41) Useful features User Guide / Operation Manual 5 334.27 KB
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LC-30HV4E (serv.man39) Using external equipment User Guide / Operation Manual 8 550.5 KB
LC-30HV4E (serv.man38) Basic adjustment settings User Guide / Operation Manual 18 494.46 KB
LC-30HV4E (serv.man37) Watching TV User Guide / Operation Manual 8 351.58 KB
LC-30HV4E (serv.man36) Part names User Guide / Operation Manual 3 321.64 KB
LC-30HV4E (serv.man35) Preparation User Guide / Operation Manual 5 663.66 KB
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LC-30HV4E Specification 1 7.26 KB
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