Read Sony KDL-70X4500 (serv.man3) Service Manual online
KDL-70X4500 (K) 2-8
7) B alancer Error (R ED 13 tim es blink )
This indicates Inverter board error of panel module.
BE micro pin163 on FBU board detects it.
BE micro pin163 on FBU board detects it.
BE Micro pin163 Normal condition : High / Error case : Low
Check harness connection between CN 9700, 9701 on CF1 board and panel module.
6) FAN Error (R ED 9 tim es blink )
This indicates FAN error. (except 40 inch model)
BE micro pin154 on FBU board detects it.
BE micro pin154 on FBU board detects it.
BE Micro pin154 Normal condition : Low / Error case : High
- Check the harnessconnection of FAN.
- Check the Voltage at CN1301 on AU board. ( Low = Error , High = Normal)
- Check the Voltage at CN1301 on AU board. ( Low = Error , High = Normal)
Replace the FAN.
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