Service Adjustments - Panasonic BT-M2090Y Service Manual

BT-M2090Y
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, PHASE, CHROMA, 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 B-Y)
TV resolution pattern
• Remote control unit (RM-C550W)
• Color analyzer
• High voltage meter
ADJUSTMENT SETTINGS
1. Front controls
PHASE Detent
CHROMA Detent
BRIGHT Detent
CONTRAST Detent
VOLUME MIN
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
FIL TEA SELECT COMB
PEAKING FREQ. 2.6MHz
PEAKING LEVEL 0dB
AFC
NORMAL
COLOR TEMP.
6500
NTSC SETUP 0
COMPO. LEVEL SMPTE
RGB/COMPONENT RGB
Desirable
Desirable
Adjustments easier if available
Desirable
Desirable
Switched not depressed
q
q
q
//
q
-27-