Sanyo DP42848 Service Manual
Also see for DP42848: Owner's manualOwner's manual
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Contents
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— 39 —TROUBLESHOOTING FLOW CHARTSNoYesYesYesNo(or the voltage to some lines is not supplied.)After a few seconds, the set will be switched off.Check 'Power Failure' Circuit.No: All 0V(except '5V_STBY' line)Isthe voltage to all linessupplied?Isthe voltageto "5V_STBY" linesupplied?Isfuse open?Check: arroundCPU (IC800), IC (IC801),Crystal (X801), Power UnitCheck: Power UnitCheck: Power UnitDiode Detected VoltageDiode Detected VoltageD1671 9VD6051/D6052 A3.3VPower Failure LineCPU (IC800) 32pinD1620/D1621 D3.3VD1663 5VD1677 AUDIO_POWQ810, Q811LVDS_POWD1683CPU (IC800) 23pinTrouble Shooting Video US1H(42/46)NO POWER |
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