Precautions When Changing Boards - JVC GY-HM150U Service Manual

(5) When the update is completed, LEDs of SD card slot A and slot B blink slowly. It takes about 3 minutes to complete the update.
Complete is displayed on the LCD display.
LCD display
Complete
(6) After complete the updating, remove the SD memory card.
(7) Turn OFF the power and an AC adapter and a battery are removed.
(8) Connect a battery and an AC adapter again and check the CPU version.
Note :
Confirm the firmware in the SD card if the "update can't be Executed !" was displayed on the LCD display.
(The LEDs of SD card slot A and slot B blink alternately, when update can not be executed.)
LCD display
Update can't be Executed !
Note:
Check the defect of board or the connection of each board, if the "update error !" was displayed.
LCD display
Update Error !
5.3

PRECAUTIONS WHEN CHANGING BOARDS

After changing the board in service, firmware version update and adjustment may be required.
Make sure to perform version update after changing the MAIN board.
1-26 (No.HC044<Rev.001>)