Sony BVW-55 Maintenance Manual page 174

1-5. NV-RAM/EEPROM
4. IC457 on SDI-23 board
(1) Adjust all A23: SDI VR menu items of the maintenance mode automatically.
(For the adjustment, refer to Section 2.)
. A231: SDI ENC VCO
. A232: SDI DEC VCO
. A2F: NV-RAM CONTROL
5. IC404 on SV-206 board
. Servo adjustment data
(1) Turn on the power while pressing S101 on the SV-206 board and initialize the servo adjustment data.
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Continue pressing S101 until three seconds pass after powering ON.
(2) Adjust all A0: SERVO ADJUST menu items of the maintenance mode.
(For the adjustment, refer to Section 2.)
. A001: S REEL FG DUTY
. A002: CAPSTAN FG DUTY
. A003: CAPSTAN FRICTION
. A004: CAPSTAN FREE SPEED
. A005: RF SWITCHING POSITION
. A006: NV-RAM CONTROL
. Hours meter data
(1) The hours meter data is automatically initialized to zero ("0"). The data cannot be restored.
. Serial No. data
(1) Reset the serial No. in M31 : SERIAL NUMBER of the maintenance mode.
(For the setting, refer to Section 3 in the maitenance manual. part 1.)
6. IC1 on SY-272 board
. Main menu data
(1) Reset the setup menu data.
(For the setting, refer to the operation manual.)
. Error logger data
(1) The data is lost. The data cannot be restored.
. Calender/clock data
(1) Reset the calender/clock in M2 : ERROR LOGGER of the maintenance mode.
(For the setting, refer to Section 3 in the maitenance manual. part 1.)
7. IC406 on TG-191 board
(1) Adjust all A20: VPR/TG VR menu items of the maintenance mode.
(For the adjustment, refer to Section 7.)
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BVW-55 P2