187.2. When Replacing the Main PCBAfter replacing the MAIN PCB, be sure to achieve adjustment.The adjustment instruction is available at “software download” on the “Support Information from NWBG/VDBG-PAVC” web-site in“TSN system”, together with Maintenance software.7.3. Service PositionThis Service Position is used for checking and replacing parts. Use the following Extension cables for servicing.Table S1 Extension Cable ListCAUTION-1. (When servicing FLASH TOP PCB)1. Be sure to discharge the capacitor on FLASH TOP PCB.Refer to “HOW TO DISCHARGE THE CAPACITOR ON FLASH TOP PCB”.The capacitor voltage is not lowered soon even if the AC Cord is unplugged or the battery is removed.2. Be careful of the high voltage circuit on FLASH TOP PCB.3. DO NOT allow other parts to touch the high voltage circuit on FLASH TOP PCB.No. Parts No. Connection Form1 VFK1951 FP9001 (MAIN) - LENS UNIT 39PIN 0.3 FFC2 VFK1978 FP9002 (MAIN) - CCD UNIT 31PIN 0.3 FFC3 VFK1950 FP9003 (MAIN) - LCD UNIT 33PIN 0.3 FFC4 VFK1974 FP9004 (MAIN) - LCD UNIT 4PIN 0.5 FFC5 VFK1870 PP9001 (MAIN) - PS8001 (FLASH TOP) 30PIN B to B