4-12.White Balance Adjustment; 4-13.Focus Adjustment 2 - Sony TRINITRON KV-HR29M61 Service Manual

4-12. WHITE BALANCE ADJUSTMENT
(1).VIDEO MODE : AV PRO
PICTURE : Maximum
COLOR : Minimum
Color Temp.: High
DRC-MF : Progressive
(2). Receive the all white signal and set to full mode screen and
to the service mode.
(3). Minimize the cut-offs and make drives normal in the follow-
ing items.
Category Reg. No & Name
COLR 3 GDRV
4 BDRV
6 GCUT
7 BCUT
(4). Adjust with the cut-offs and the drives mutually the white
balance becomes best in the mode the picture is maximum or
minimum.
4-13. FOCUS ADJUSTMENT 2
Note
Focus adjustment should be completed before W/B adjustment.
(1) Receive digital monoscope pattern.
(2) Set DRC-MF to "Progressive" and PICTURE to "Standard".
(3) Adjust FOCUS VR so that the center of the screen becomes
justfocus.
(4) Change the receiving signal to white pattern and blue back.
(5) Confirm MAGENTA RING should not be over the limit sam-
ple. In case MAGENTA RING is over the limit sample,
adjust FOCUS VR to take tracking of MAGENTA RING and
FOCUS.
FLYB ACK TRANSFORMER (T8001)
KV-HR29M61/HR29N90/HR34M61/HR34N90
FOCUS
SCREEN G2
– 55 –
RM-1007 RM-1011 RM-1007 RM-1011