Service Adjustments - Panasonic BT-M1950Y Service Manual

SERVICE ADJUSTMENTS
PRIOR TO STARTING ADJUSTMENT
1. Supply power to the set and measuring instruments and allow to warm up for at least 30 minutes.
2. Confirm the proper AC power voltage is being supplied.
3. Use care not to disturb controls and switches not mentioned in the adjustment items.
4. Refer to adjustment settings and set user operated controls {bright, contrast, hue, tint, etc.) to the indicated positions.
TOOLS AND FIXTURES FOR ADJUSTMENT
• DC voltmeter {digital voltmeter)
• Oscilloscope
• Signal generator (PAUNTSC systems)
Color bar and split color bar patterns
Crosshatch pattern
Cross pattern
Red raster pattern
Green raster pattern
Blue raster pattern
Philips pattern (including R-Y and 8-Y)
TV resolution pattern
• Color analyzer
• High voltage meter
ADJUSTMENT SETTINGS
1. Front controls
CONTRAST Detent
CONTRAST Detent
BRIGHT Detent
CHROMA Detent
PHASE Detent
VOLUME MIN Detent
2. Front switches
INPUT SELECT VIDEO A
EXT SYNC INT
UNDER SCAN OVER
PULSE CROSS
OFF
COLOR OFF
COLOR
BLUE CHECK OFF
MEMORY MODE OFF
3. Menu screen
ASPECT RATIO 4-3
FILTER SELECT COMB
PEAKING FREQ. 2.6MHz
PEAKING LEVEL 0dB
AFC
NORMAL
COLOR TEMP. 9300
NTSC SETUP Q
COMPO. LEVEL SMPTE
RGB/COMPONENT
RGB
Desirable
Desirable
Desirable
Desirable
Switched not depressed
q
q
q
q
q
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BT-M1950Y