Sony HCD-BC150 Service Manual page 70

HCD-BC150/BC250
6. VERSION INFORMATION
On the Test Mode Menu screen, selecting 6 "R" displays the ROM
version and region code.
The parenthesized hexadecimal number in version field is checksum
value of ROM.
## Version Information ##
IF con.
SYScon.
Model
Region
Config
Front End Ver.x.xx
IF con. : The version of system controller (IC509).
SYScon. : The version of DVD system processor (IC207).
Front End : The version of mechanism controller (IC901).
7. VIDEO LEVEL ADJUSTMENT
On the Test Mode Menu screen, selecting 7 "R" displays color bars
for video level adjustment. During display of color bars, OSD
disappears but the menu screen will be restored if pressing the
RETURN O "R" key.
10
Ver.x. xx
Ver.x. xx (xxxx)
DAV-BC150
0x
xxxxxxxx
xxxxxxxx
Exit: RETURN