Note On The Dcp-17 Board Replacement; Eeprom On The Es-23 Board - Sony Digital Betacam DVW-707 Maintenance Manual

1-7. Note on the DCP-17 Board Replacement

1-8. EEPROM on the ES-23 Board

1-7. Note on the DCP-17 Board
Replacement
EEPROM/NV-RAM
c
Operation of the unit elevates the temperature of the IC
package. Heated IC package may result in injury.
Replace the IC after turning off the power and ample time
for the IC to cool off.
The EEPROM (IC123) and NV-RAM (IC140) on the
DCP-17 board store data which was written by the custom-
er. When replacing them with a new ICs, the former data is
reset to the factory setting.
If necessary, remove the IC123/IC140 on the former
DCP-17 board, and then reattach it to the new board.
Ref. No. (Address) Data stored
IC152 (C3/DCP-17) Whole settings of the setup menu
(User-written, and service engineer-
written settings
IC140 (D5/DCP-17) Special gamma table data
(User-written setting)
*1 : Refer to Section "3-1. Engineer Mode (Setup Menu)" in the Maintenance
Manual Part 1 to re-set the engineer mode.
*2 : If your customer does not use the special gamma, it is not necessary to
replace the IC140.
Setting/Adjustment After Board Replacement
Refer to the following sections to set/adjust the DCP-17
board after replacing.
. Maintenance Manual Part 1 "1-10-3. DCP-17 Board"
. "Section 7 *1 *2
or 8 . Camera System Electrical Adjust-
ments"
*1 : For DVW-790WS/790WSP/709WS/709WSP only
*2 : For DVW-707/707P only
1-10
1-8. EEPROM on the ES-23 Board
c
Operation of the unit elevates the temperature of the IC
package. Heated IC package may result in injury.
Replace the IC after turning off the power and ample time
for the IC to cool off.
The EEPROM (IC18) on the ES-23 board store the
following data.
n
The part number of IC which is not adjusted is specified in
the Section 1. Spare Parts List in the Maintenance Manual
Part 2 Vol.2.
If the IC18 is replaced with a new IC of this part number,
follow the steps below to re-set the data.
*1
)
In case of the ES-23 board replacement, it is not necessary
*2
to re-set data of the IC18 because its board is factory-
adjusted.
Adjusting After EEPROM Replacement
1. Enter the service mode. (Refer to the following steps
2. Perform the following camera system electrical
*1 : For DVW-790WS/790WSP/709WS/709WSP only
*2 : For DVW-707/707P only
Ref. No. (Address) Data stored
IC18 (B2/ES-23) Adjustment data
(encoder factory setting)
(1) to (3).)
(1) Turn off the power.
(2) Turn on the switch S4-1 on the DCP-17 board.
(3) Turn on the POWER switch.
alignments.
. ENC OUT Adjustment
*1
(Refer to Section 7-4
. TEST OUT Level Adjustment
*1
(Refer to Section 7-5
*2
or 8-4 .)
*2
or 8-5 .)
DVW-790WS/709WS/707
DVW-790WSP/709WSP/707P P2V1