Sony KD-55X8500A Service Manual page 100

SAVE CHANGING DATA
1) Write data for Chassis or VPC service mode 1) Write data for "Chassis" or "VPC" service mode
a. Press "Mute" on remote.
It shows green "SERVICE" changes to green "WRITE".
b. Press "0" or "enter" on remote. Green "WRITE" changes to red "WRITE". It indicate writing is processing.
c. After a while, red "WRITE" changes to green "SERVICE". Writing process is done at this point.
2) TV reboot is necessary for applying data change.
KD-55/65 X8500A/ X8504A
CHASSIS WRITE
000 WYVERN
000 000 S2_NOISE_TH 32 S2 NOISE TH 32
ADJUSTMENT
100