Sharp LC-20S2U-S Service Manual page 19

Table of Adjusting Process Defaults
Page No. Item
Basic settings
1 MODEL
INCH SIZE
ERROR NO RESET
PUBLIC MODE
V-CHIP
CANADIAN VCHIP
EXT CONTROL
XVC SHARPNESS
2 COM BIAS
3 RCUTOFF
GCUTOFF
BCUTOFF
R-GAIN
G-GAIN
B-GAIN
D2 RCUTOFF
D2 GCUTOFF
D2 BCUTOFF
D2 R-GAIN
D2 G-GAIN
D2 B-GAIN
4 I2C DATA
I2C DATA
SOUND
XVC
DPS
DAC
TUNER
OTHERS
Sound volume
SOUND1 VOLUME
AVC
MSP DATA
MSP DATA
CARRIER MUTE
SP TEST
SOUND2 PRESCALE SCART
PRESCALE FM/AM-M
IGR THR
Initial
Function
Value
Model name selection (For prevention of
A622
malfunction, model name cannot be changed.)
Inch size selection
20
Lamp error count and reset
0
Hotel mode setting
OFF
VCHIP line MUTE setting
1
Canadian VCHIP compliance setting
OFF
Bus, UART open: "ON" to "OFF"
OFF
(OSD display is not changed.)
With or without SHARPNESS adjustment by
OFF
XVC (480P is ineffective.)
Common bias adjustment
110
Red cutoff adjustment
0
Green cutoff adjustment
0
Blue cutoff adjustment
0
White balance
0
White balance
0
White balance
0
Red cutoff adjustment (D2)
0
Green cutoff adjustment (D2)
0
Blue cutoff adjustment (D2)
0
White balance (D2)
0
White balance (D2)
0
White balance (D2)
0
I2C BUS control IC Data WRITE & READ
0
WRITE & READ execution
WAIT
Goes to SOUND adjustment page.
Goes to XVC (XV 750) adjustment page.
Goes to DPS adjustment page.
Goes to DAC adjustment page.
Goes to TUNER adjustment page.
Goes to other adjustment page.
20 Sound volume
OFF
AVC setting
0
Audio IC MSP data WRITE & READ
WAIT
WRITE & READ execution
ON
Audio output setting for no TV sync
OFF For audio test
27 Pre-scale setting (External input)
31
Pre-scale setting (TV)
12D
19
LC-20S2U-S
Response precautions on servicing
(Do not change other items than designated.)
For more than 5, adjustment process should be
started as soon as power is turned ON.
DAC OUT0A(00h)
DSP control
DSP control
DSP control
DSP control
DSP control
DSP control
DSP control
DSP control
DSP control
DSP control
DSP control
DSP control