Focus Adjustment - Sony TRINITRON PVM-1953MD Service Manual

3-9. SUB BRT ADJUSTMENT
1. Input a 525 monoscope signal.
2. CONT «+ MIN
BRT +e CENTER (50%)
3. Put the unit into service mode and select}SUB BRIGHT
4. Adjust}SUB BRIGHT jso that 10 IRE gives a slight glow and
10 IRE gives cut off.
3-10. FOCUS ADJUSTMENT
Note : PVM-1353MD/1453MD are adjusted with RV707 on the C
board.
PVM-1953MD/2053MD are adjusted with the RV at the
top of the FBT main nuit.
1. Input a 525 monoscope signal. (PVM-1353MD/1953MD
ONLY)
Input a 625 monoscope signal. (PVM-1453MD/2053MD
ONLY)
2. Adjust the focus to optimize the focus on the characters "30"
at the center of the screen.
3. Switch to an all-white signal and check the uniformity.
FOCUS
ee ne ea ESN a RN a URES RE A NS NE A RA ERT Re ee E e s PAA Oe PAR Ie CE R e SP D P T