Board; Board, Dcp-28B Board; Ccd Unit - Sony HDW-750 Maintenance Manual

1-17-5. RP-123 Board
Adjustment Item when the Board is Replaced
9-6. Black Offset Adjustment
9-7. VSUB Adjustment
9-8. PA Gain Adjustment
1-17-6. DCP-28 Board, DCP-28B Board
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When replacing the board with the DCP-28 board having
suffix number -13 or higher, ROM version of the AT-143
board must be 1.30 or higher. Check the ROM version. If it
is earlier than 1.30, upgrade the ROM version. (Refer to
Section 1-24.)
The EEPROM (IC611) and NV-RAM (IC51) are installed
in the DCP-28 board.
When these ICs are replaced, implement the following
adjustments.
Adjustment Items when board or EEPROM or NV-
RAM is Replaced
NV-RAM reset and black balance adjustment.
(Refer to Section 1-10-1.)
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After the board replacement or the NV-RAM replacement,
be sure to perform the NV-RAM reset and black balance
adjustment before the adjustments as shown below.
9-2. VCO Frequency Adjustment
9-3. TEST OUT Level Adjustment
9-4. VF DC Level Adjustment
9-5. VA Gain Adjustment
9-9. Pre Knee Adjustment
9-11. Black Shading Adjustment
9-12. White Shading Adjustment
9-13. Flare Adjustment

1-17-7. CCD Unit

Adjustment Items when CCD Unit is Replaced
8-2-1. Tape Run Adjustment
9-2. VCO Frequency Adjustment
HDW-750/750CE V1
1-17. Adjustments/Setting Items When Boards Are Replaced
1-17-8. MDC-13 Board
The EEPROM (IC403) is installed in the MDC-13 board.
Implement the following adjustments when this IC is
replaced, too.
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Be sure to implement the setting which enables to save the
contents of the EEPROM to the backup RAM before
replacing the MDC-13 board.
(Refer to Section 11-3-6.)
When this setting is performed, the contents of the backup
RAM are restored into EEPROM at the first power-on after
the MDC-13 board is replaced.
Setting Items before Staring to Replace the Board
or EEPROM
Saving the backup data of EEPROM contents
11-3-6. MDC-13 Board Change
Adjustment Items when Board or EEPROM is
Replaced
Initialization of servo adjustment data
10-5-1. Servo System Adjustment Data Initialization
Servo system alignment
10-5-2. Capstan FG Duty Ratio Adjustment
10-5-3. Capstan Add-On Recording Adjustment
10-5-4. Drum Phase Adjustment
CUE audio system alignment
10-3-1. Bias Trap Adjustment
10-3-2. CUE Playback Level Adjustment
10-3-3. CUE Recording Bias Preset Adjustment
10-3-4. CUE Record Level Adjustment-1
10-3-5. CUE Record Level Adjustment-2
1-17-9. MDR-14 Board
Adjustment Item when the Board is Replaced
Servo system alignment
10-5-4. Drum Phase Adjustment
1-51