Power light blinks 13 times

Need replaced A-BOARD
Manufacturer Panasonic Part Number TNPH0716ABS Description A- BOARD


After the installation of a new A board, unit has the characters "CHK" on screen. The usual reset procedures of [VOL -] and [MENU] or [OK] or [SLEEP] will not get rid of "CHK".

1. Enter the service mode by holding down the [VOL -] button on the TV (main unit) and simultaneously pressing the [INFO] button on the remote control three times.
2. Press the number [2] key on the remote to highlight [SRV-TOOL].
3. Press the [OK] button on the remote control to select [SRV-TOOL].
4. Use the [DOWN ARROW] on the remote control to scroll down to [PCTC].
5. Use the [RIGHT ARROW] button on the remote to open the box to the right, then press and hold down the [MUTE] button on remote to display Time/Count.
6. Press and hold the [RETURN] button on the remote control until the TV turns off.
7. Immediately press and hold down the [VOL -] button on the TV (main unit) and the [MENU] button on the remote. The TV should come up in the Self Check mode.
8. Remove AC power.