Actions To Be Taken During Board Replacement And After Board Replacement Or After Board Repair; Stored Data Of Ics; Alignment And Setting Required When Replacing Prism Block Assembly; Alignment And Setting Required When Replacing Dpr-373 Board - Sony HXC-FB75H Service Manual

4-3. Actions to be Taken during Board Replacement and after Board
Replacement or after Board Repair
4-3-1.

Stored Data of ICs

The table below lists data retained in the IC on the following boards.
When any of the following boards or ICs is replaced, deal with action to be taken in replacing parts.
Note
The part number listed in "Spare Parts" is for IC which is not programmed. If replacement is needed, contact your local
Sony Sales Office/Service Center.
Board Ref. No.
(Type)
AT-189M IC401
(eMMC)
BI-256 IC4
(EEPROM)
DPR-373 IC304
(Flash)
IC815
(EEPROM)
SY-451 IC401,
IC402
(FRAM)
IC801
(Flash)
4-3-2.

Alignment and Setting Required when Replacing Prism Block Assembly

1. Replace the prism block assembly.
(Refer to "4-5-2. CMOS Block
2. Compensate the RPN.
(Refer to "6-7. RPN Compensation".)
3. Set the model name and serial number again on SERIAL NO. page of the SERVICE menu, and execute the STORE
FILE.
(Refer to 9-2-1."SERIAL
4. Make electrical adjustment as needed.
(Refer to "6. Electrical Alignment".)
4-3-3.

Alignment and Setting Required when Replacing DPR-373 Board

Replacement VCO (IC800 to IC802) or EEPROM (IC815)
1. Adjust 27 MHz clock frequency.
(Refer to "6-3-1. 27 MHz Clock Frequency
HXC-FB75H/HXC-FB75KC
Stored Data
Software program
RPN adjustment data
PLD data
27 MHz clock frequency adjustment
data
Paint data etc.
PLD data
Assembly".)
NO.".)
Adjustment".)
Replacement and Actions
Replacement of the board (not replacing IC)
Necessary (refer to "4-3-5. Alignment and Setting Required
when Replacing AT-189M Board".)
Replacement of prism block assembly (not replacing IC)
Necessary (refer to "4-3-2. Alignment and Setting Required
when Replacing Prism Block Assembly".)
Replacement of the board (not replacing IC)
Necessary (refer to "7-2. PLD".)
Replacement the IC or board
Replacement the IC: Necessary (refer to
Clock Frequency Adjustment".)
Replacement the board: Necessary (refer to
Replacement of the board (not replacing IC)
Necessary (refer to "4-3-4. Alignment and Setting Required
when Replacing SY-451 Board".)
Replacement the IC or board
Necessary (refer to "7-2. PLD".)
"6-3-1. 27 MHz
"7-2. PLD".)
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