Service manual

21
LC-20B8U-S
LC-20B9U-S
LC-20B9U-SM
Page No. Item
Initial
Function
Response precautions on servicing
Value (Do not change other items than designated.)
DVP11 625I CONT 144 625I IMAGE SETTING (TV) NOT USED
625I BRIGHT 122 625I BRIGHTNESS SETTING (TV) NOT USED
625I COLOR 78 625I COLOR DENSITY SETTING (TV) NOT USED
625I TINT 146 625I TINT SETTING (TV) NOT USED
625I SHARP V 100 625I V PICTURE QUALITY SETTING (TV) NOT USED
625I SHARP H1 160 625I H PICTURE QUALITY SETTING 1 (TV) NOT USED
625I SHARP H2 160 625I H PICTURE QUALITY SETTING 2 (TV) NOT USED
625P CONT 144 625P IMAGE SETTING (TV) NOT USED
625P BRIGHT 122 625P BRIGHTNESS SETTING (TV) NOT USED
625P COLOR 78 625P COLOR DENSITY SETTING (TV) NOT USED
625P TINT 146 625P TINT SETTING (TV) NOT USED
625P SHARP V 100 625P V PICTURE QUALITY SETTING (TV) NOT USED
625P SHARP H1 120 625P H PICTURE QUALITY SETTING 1 (TV) NOT USED
625P SHARP H2 120 625P H PICTURE QUALITY SETTING 2 (TV) NOT USED
DVP12 1125I CONT 144 1125I IMAGE SETTING (TV) NOT USED
1125I BRIGHT 122 1125I BRIGHTNESS SETTING (TV) NOT USED
1125I COLOR 78 1125I COLOR DENSITY SETTING (TV) NOT USED
1125I TINT 146 1125I TINT SETTING (TV) NOT USED
1125I SHARP V 100 1125I V PICTURE QUALITY SETTING (TV) NOT USED
1125I SHARP H1 100 1125I H PICTURE QUALITY SETTING 1 (TV) NOT USED
1125I SHARP H2 100 1125I H PICTURE QUALITY SETTING 2 (TV) NOT USED
750P CONT 144 750P IMAGE SETTING (TV) NOT USED
750P BRIGHT 122 750P BRIGHTNESS SETTING (TV) NOT USED
750P COLOR 78 750P COLOR DENSITY SETTING (TV) NOT USED
750P TINT 146 750P TINT SETTING (TV) NOT USED
750P SHARP V 100 750P V PICTURE QUALITY SETTING (TV) NOT USED
750P SHARP H1 100 750P H PICTURE QUALITY SETTING 1 (TV) NOT USED
750P SHARP H2 100 750P H PICTURE QUALITY SETTING 2 (TV) NOT USED
Page No. Item
Initial
Function
Response precautions on servicing
Value (Do not change other items than designated.)
DEFAULT CHART OF ADJUSTMENT PROCESS TUNER ITEMS
BASIC SETTINGS
TUNER1 AFT UP 1.80 AFT VOLTAGE REFERENCE LEVEL (ALL BANDS) NOT USED
AFT DOWN 1.20 AFT VOLTAGE REFERENCE LEVEL (ALL BANDS) NOT USED
LSYNC 150 SYNC JUDGMENT THRESHOLD (TV) NOT USED
HSYNC 162 SYNC JUDGMENT THRESHOLD (TV) NOT USED
LSYNC2 150 SYNC JUDGMENT THRESHOLD (FOR TV AFT CHANNEL (1-CH) SELECT) NOT USED
HSYNC2 162 SYNC JUDGMENT THRESHOLD (FOR TV AFT CHANNEL (1-CH) SELECT) NOT USED
AVSYNC 1 SYNC DETERMINATION THRESHOLD (EXTERNAL INPUT)
COMPSYNC 3 SYNC JUDGMENT THRESHOLD (COLOR DIFFERENCE INPUT) NOT USED
EDS TEST 10 DURATION UNTIL JUDGMENT OF NO EDS TIME DATA (SECONDS) NOT USED
TUNER2 AFT FARTIME 50 CHANNEL PRESET TIME ADJUSTMENT 1 NOT USED
AFT NEARTIME 30 CHANNEL PRESET TIME ADJUSTMENT 2 NOT USED
AFT NEARTIME 10 CHANNEL PRESET TIME ADJUSTMENT 3 NOT USED
AFT 1STEPTIME 10 CHANNEL PRESET TIME ADJUSTMENT 4 NOT USED
AFT CSYNCTIME 50 CHANNEL PRESET TIME ADJUSTMENT 5 NOT USED
SYNC ON 10 CHANNEL PRESET SYNC JUDGMENT, NOT USED
CONTINUOUS MATCHING TIMES(CH SEARCH,
AIR/CABLE JUDGMENT, CLOCK SYNC JUDGMENT)
SYNC WIDTH 1 CHANNEL PRESET SYNC JUDGMENT, THRESHOLD NOT USED
(SYNC PROVIDED JUST AFTER THE MAXIMUM-TO-
MINIMUM DIFFERENCE COMES SMALLER)