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Google is your friend:
Manual:
https%3A%2F%2Fdiagramas.diagramasde.com%2Fotros2%2 FKV-34DRC510.pdf (first hit with a google search for the Service Manual part number, 9-965-937-02)
That's for the DA-4, multiple models.
Most Sony CRT sets have the same data acronyms:
VFRE Vertical Frequency
VPOS Vertical Picture Position
VSIZ Vertical Picture Size
VLIN Vertical Picture Linearity
VSCO Vertical Correction
VCOM Vertical Compensation
VUSN Shrinks Vertical Height to 16x9 Area
VZOM Places Bars on Picture to give 16x9 Area
EHT Adjust Height of VZOM
ASP Vertical Picture Size - Aspect
SCRL Vertical Picture Position
Can't stress this enough - write down ALL initial values before making any adjustment. Note the range of values too - and don't go above or below. If you do, you may briick the set, as Sony used the DAS device to recover/restore EEPROM data. Without it, you're gonna be SOL if you corrupt the EEPROM
Also, on the HD CRT sets, try the customer menu setting for aspect first - don't try to feed a 4:3 with a 16:9 aspect selected (or any other movie aspect ratio!)
__________________
Brian
USN RET 22YRS (Avionics/Cal)
CET-Consumer Repair and Avionics ('88)
"Capacitor Cosmetologist since '79"
When fuses go to work, they quit!
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