Sharp LC-15A2U Service Manual page 10

LC-15A2U
3. Cancel of special mode
Turn off the main unit power.
4. Adjustments
Adjustment
1 B+ Adjustment
2
(If E PROM is replaced)
(IC2004)
2 Model setup
(If E 2 PROM is replaced)
(IC2004)
3 Counter-bias adjustment 1. Receive a B/W channel.
5. Shipping setting list
Channel ............................................................................................................................................... 2ch
Air/Cable ............................................................................................................................................. Air
Skip Data_CATV ................................................................................................................................. All Skip
Skip Data_AIR .................................................................................................................................... All Skip
Volume ................................................................................................................................................ 20
Picture ................................................................................................................................................. 30
Tint ...................................................................................................................................................... 0
Color ................................................................................................................................................... 0
Black Level ......................................................................................................................................... 0
SHARP ................................................................................................................................................ 0
RED-BLUE .......................................................................................................................................... 0
GREEN ............................................................................................................................................... 0
TV Color System ................................................................................................................................. N358
AV Color System ................................................................................................................................ Auto
Language ............................................................................................................................................ English
Blue Screen ........................................................................................................................................ Off
EZ Setup Auto Start ............................................................................................................................ On
Sleep Timer ........................................................................................................................................ None
MTS .................................................................................................................................................... Stereo
Brightness ........................................................................................................................................... Bright
Auto Power Off ................................................................................................................................... Off
Upside ................................................................................................................................................. Normal
Right/Left ............................................................................................................................................ Normal
AV1 ..................................................................................................................................................... Normal
AV2 IN/OUT ........................................................................................................................................ In
Closed Caption (Mode) ...................................................................................................................... OFF
(Data) ....................................................................................................................... CH1
V Chip block (MPAA) ..................................................................................................................... None
(TV Guideline) .......................................................................................................... None
(Block Content) ........................................................................................................ All Unblock
(Status) ..................................................................................................................... Off
(Input Secret No.) ..................................................................................................... Clear
Adjusting conditions
1. Connect the DC voltmeter to
pin 49 of SC401.
2. Go to the adjustment mode.
1. Go to the adjustment mode.
2. Go to the adjustment mode.
3. Select the "COM BIAS" with
[MENU] key.
10
Adjusting method
1. Adjust the "B+ Adj" value to
5.0V±0.02V with [VOL+] or [VOL-]
Key.
* The color of "B+ Adj" must be yellow.
1. Select "MODEL" with [MENU] key
and adjust to "A2U" with [VOL+]
or [VOL-] key.
* The color of "MODEL" must be yellow.
1. Adjust "COM BIAS" to the darkest
screen with [VOL+] and [VOL-] key.
* The color of "COM BIAS" must be
yellow.