Norcent LT2790BK Service Manual
                                                                                       | |
Contents
| 
27’’ LCD TV Norcent LT2790BK215. Repair Flow Chart5.1 Abnormal displayCHECK CON901 PIN9＝12VCON905 PIN3=5V? Check POWER BOARDNGOKCHECK CN407 PANEL connect isnormal? Reconnect CN407NGCHECK X401、X701 is normal? Check surge circuitCHECK U108 PIN18, PIN17, PIN14 output wave is OK;PIN9 PIN20 power supply is OK?CHECK U401 PIN R5、PIN T8=3.3V?U401 PIN E6=2.5V? PIN R9=1.8V? CHECK SCALER powerCheck Tuner circuitCheck TV mode display is normal?CHECK I²C1DATA, CLK is normal?CHECK SCALER HS VS is normal?OKOKOKOKOKOKNGNGOKOK |
Related manuals for Norcent LT2790BK
This manual is suitable for:
manualsdatabase
Your AI-powered manual search engine