Service manual
18
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.)
PC AD ADJUSTMENT
8 AUTO GAIN2 OFF
AD9883 GAIN AUTO ADJUSTMENT OFF/RUN
REFER TO METHOD OF ADJUSTMENT.
AUTO OFFSET2 OFF
AD9883 OFFSET AUTO ADJUSTMENT OFF/RUN
REFER TO METHOD OF ADJUSTMENT.
PCAD R GAIN 100
PC INPUT RED GAIN ADJUSTMENT
REFER TO METHOD OF ADJUSTMENT.
PCAD G GAIN 100
PC INPUT GREEN GAIN ADJUSTMENT
REFER TO METHOD OF ADJUSTMENT.
PCAD B GAIN 100 PC INPUT BLUE GAIN ADJUSTMENT REFER TO METHOD OF ADJUSTMENT.
PCAD R OFFSET 56
PC INPUT RED OFFSET ADJUSTMENT
REFER TO METHOD OF ADJUSTMENT.
PCAD G OFFSET 56
PC INPUT GREEN OFFSET ADJUSTMENT
REFER TO METHOD OF ADJUSTMENT.
PCAD B OFFSET 56
PC INPUT BLUE OFFSET ADJUSTMENT
NOT USED
RGTAR E6
PC INPUT RED GAIN ADJUSTMENT TARGET
NOT USED
GGTAR E6
PC INPUT GREEN GAIN ADJUSTMENT TARGET
NOT USED
BGTAR E6
PC INPUT BLUE GAIN ADJUSTMENT TARGET
NOT USED
RGCAL —
Y LEVEL, CHROMA CALCULATION DISPLAY
NOT USED
GGCAL —
Y LEVEL, CHROMA CALCULATION DISPLAY
NOT USED
BGCAL —
Y LEVEL, CHROMA CALCULATION DISPLAY
NOT USED
ROCAL —
CLAMP RANGE Y LEVEL, WHITE LEVEL CALCULATION DISPLAY
NOT USED
GOCAL —
CLAMP RANGE Y LEVEL, WHITE LEVEL CALCULATION DISPLAY
NOT USED
BOCAL —
CLAMP RANGE Y LEVEL, WHITE LEVEL CALCULATION DISPLAY
NOT USED
TABLE OF VARIOUS SETTINGS
9 I2C DATA 0
I2C BUS CONTROL IC DATA WRITE AND READ
NOT USED
I2C DATA WAIT WRITE AND READ EXECUTED NOT USED
SOUND
—
SHIFT TO THE SOUND ADJUSTMENT PAGE
USE ENTER KEY TO GO TO THE SOUND ADJUSTMENT PAGE.
DVP
—
SHIFT TO THE DVP ADJUSTMENT PAGE
USE ENTER KEY TO GO TO THE TC ADJUSTMENT PAGE.
TUNER
—
SHIFT TO THE TUNER ADJUSTMENT PAGE
USE ENTER KEY TO GO TO THE TUNER ADJUSTMENT PAGE.
OTHERS
—
SHIFT TO THE OTHER ADJUSTMENT PAGE
USE ENTER KEY TO GO TO THE OTHER ADJUSTMENT PAGE.
Page No. Item
Initial
Function
Response precautions on servicing
Value (Do not change other items than designated.)
AUDIO ADJUSTMENT PROCESS SPECIFICATIONS
AUDIO ADJUSTMENT
SOUND1 VOLUME 20 SOUND VOLUME NOT USED
MSP DATA 0
AUDIO IC MSP DATA WRITE AND READ
NOT USED
MSP DATA WAIT WRITE AND READ EXECUTED NOT USED
CARRIER MUTE ON
AUDIO OUTPUT SETTING WITHOUT TV SYNC
NOT USED
IGR THR 12D IGR THRESH LEVEL NOT USED
AUDIO ADJUSTMENT
SOUND2 PRESCALE SCART 27
PRE-SCALE SETTING (EXTERNAL INPUT)
NOT USED
PRESCALE FM/AM-M 31 PRE-SCALE SETTING (TV) NOT USED
AUDIO ADJUSTMENT
SOUND3 BAND1 MIN TV -0350
EQUALIZER SETTING (WITH TV INPUT)
NOT USED
OTHER -0350
EQUALIZER SETTING (WITH OTHER INPUT THAN TV)
NOT USED
BAND1 CNT TV +0450
EQUALIZER SETTING (WITH TV INPUT)
NOT USED
OTHER +0450
EQUALIZER SETTING (WITH OTHER INPUT THAN TV)
NOT USED
BABD1 MAX TV +1200
EQUALIZER SETTING (WITH TV INPUT)
NOT USED
OTHER +1200
EQUALIZER SETTING (WITH OTHER INPUT THAN TV)
NOT USED
BAND2 MIN TV 0000
EQUALIZER SETTING (WITH TV INPUT)
NOT USED
OTHER 0000
EQUALIZER SETTING (WITH OTHER INPUT THAN TV)
NOT USED
BAND2 CNT TV +0300
EQUALIZER SETTING (WITH TV INPUT)
NOT USED
OTHER +0300
EQUALIZER SETTING (WITH OTHER INPUT THAN TV)
NOT USED
BABD2 MAX TV +0600
EQUALIZER SETTING (WITH TV INPUT)
NOT USED
OTHER +0600
EQUALIZER SETTING (WITH OTHER INPUT THAN TV)
NOT USED
BAND3 TV -0150
EQUALIZER SETTING (WITH TV INPUT)
NOT USED
OTHER -0150
EQUALIZER SETTING (WITH OTHER INPUT THAN TV)
NOT USED