Adjustment Precaution; Setting Required For Adjustments; Setting Items - JVC DT-V1710CG Service Manual

4.1 ADJUSTMENT PRECUTION
(1) Make sure that connection is correctly mode AC to AC power souce.
(2) Warm run the unit and measuring tools sufficiently (at least 30 minutes).
(3) Perform all adjustments based on the initial values. There is no problem if the result of an adjustment performed by observing
the screen is different from the initial value.
(4) Never attempt to turn on potentiometers or other controls that are not explicitly mentioned in the adjustment procedures.
NOTE:
When using the IF-C01PNG (NTSC/PAL Video Input Card) in an adjustment, be sure to check the output waveforms
from the video input card in advance.
4.2 SETTINGS REQUIRED FOR ADJUSTMENTS
For the functions other than those that should be set before each adjustment, reset them to the initial values
according to the table on page 1-10 before proceeding to the adjustment.
Correct adjustments will not be possible unless the values of the functions are reset to the initial values.

4.3 SETTING ITEMS

Begin adjustments with the primary items and then proceed to the secondary items, (1) to (3).
PRIMARY ADJUSTMENT ITEMS
!
• Screen voltage coarse adjustment
• High-voltage coarse adjustment
• X-ray protector adjustment/check
• High-voltage adjustment
• Focus adjustment
• Image rotation adjustment
• Convergence adjustment
SECONDARY ADJUSTMENT ITEMS (1)
!
• Contrast adjustments
• Chroma/Phase adjustments
SECONDARY ADJUSTMENT ITEMS (2)
!
• Deflection system adjustments
(Overscan, underscan, aspect mode)
SECONDARY ADJUSTMENT ITEMS (3)
!
• White balance adjustments
• Brightness adjustments
(Overscan, underscan, aspect mode)
SECTION 4
ADJUSTMENT
(No. 52152) 1-13