Measuring Instruments And Fixtures; Focus And Screen Adjustment Holes - Panasonic BT-H1700BMC Service Manual

1.4 MEASURING INSTRUMENTS AND FIXTURES

(1) DC voltmeter ( or digital voltmeter)
(2) Oscilloscope
(3) Color analyzer (colour temperature meter)
(4) High-voltage voltmeter
(5) Signal generator (Should be compatible with the following signal specifications.)
(6) Scale (made of non-metallic material)
(7) BT-YA701P (Video Input Card)
(8) BT-YA702P (Component/RGB Input Card)
Fromats of Signal Used in Adjustments
• DTV format component signals
(480/60i, 480/60p, 576/50i, 576/50p, 720/50p, 720/60p,
1080/24psF, 1080/50i, 1080/60i)
• NTSC signals
(Composite, Y/C)
• PAL signals
(Composite, Y/C)

1.5 FOCUS AND SCREEN ADJUSTMENT HOLES

The rear panel has the adjustment holes for use in adjusting the focusing and screen.
CAUTION :
• Be sure to use screwdrivers made of non-metallic materials for the following adjustments. If a metallic screwdriver is used,
short-circuiting may damage parts of the unit, including the high-voltage parts.
ELE-2
Types of Signals Used in Adjustments
• Color bar signal
• Size adjustment signal
• All white signal
• All black signal
• Mono-scope signal
• Gray scale signal
• 10-step gray scale signal
• Crosshatch signal
• Crosshatch signal with circle pattern