9-33
HDW-750/750CE V1
9-33. RPN Concealment
There remains an RPN that cannot be corrected
by the manual RPN concealment.
(Refer to Section 9-33-1.)
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
Does RPN disapper?
Is RPN level lowered?
Push the SHUTTER switch at the front
to set the shutter to 1/2000.
Correction works.
Can the adjustment be
performed correctly?
Check the connectors used between
DR-433/477 and TG-219/219A boards, and
also TG-219/219A and PA-253/282/282A boards.
Replace flexible wire cable used between
DR-433/477 and DCP-28/28B boards.
Perform RPN adjustment once again.
One or more of DCP-28/28B,
RP-123/127, DR-433/477, TG-219/219A,
PA-253/282/282A is defective.
Replace one board at a time to identify the
defective board.
Correction works.
Is RPN corrected?
Correction works.
RPN cannot be corrected due to
adjacent RPN.
Replace CCD block.
As a result of
the adjustment,
does RPN disappear?
Perform manual RPN concealment.
(Refer to Section 9-33-1.)
If RPN remains still visible, perform
AUTO BLACK BALANCE adjustment
(keep pressing AUTO W/B BAL switch to BLK
position), or perform manual RPN concealment
once again. (Refer to Section 9-33-1.)
Perform NVRAM adjustment.
.
RP-127 board : Refer to Section 1-17-16.
.
RP-123 board : Set the S1-1 on the RP-123
board to ON, turn OFF/ON
the power. Then, turn OFF
S1-1 on the RP-123 board.
Perform AUTO BLACK BALANCE adjustment
(keep pressing AUTO W/B BAL switch to
BLK position) six times.
Can the adjustment be
performed correctly?
Perform RPN adjustment.
.
RP-127 board : Perform BLACK OFFSET
adjusetment.
(Refer to Section 9-6-1)
.
RP-123 board : Perform RP-123 board RPN
adjustment.
(Contact your local Sony Sales
Office/Service Center.)
Procedure
