Tv Won't Power On - Hisense MT5659DUHT Service Manual

5.3 TV won't Power On

TV won't power on
NO
No Led light
Panel Bright
NO
NO
Note:
MTK5659 TV LED feature:
When TV is in working status, No led light.
When TV is in standby status, Led light is RED.
Is LED
light?
YES
RED
YES
Check signal
Source
NO
Replace Main BD
YES
Replace Panel
OK
NO
Try Power on by
YES
Note:
If main board & power board are one complex
board not separately, then replace main board or
power board will change the complex board.
- 34 -
YES
Check Power
Output
NO
YES
Check Power
Cord
NO
Only
one works
RC and Button
Neither
works
Replace Main
BD
YES
Power on
NO
Replace Power BD
Make Sure Power
source is live
Replace
Power Cord
Check/replace IR
BD or Keypad
PCA
Both
Work
OK