Sharp 70GS-61SC, Руководство по обслуживанию

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70GS-61SC
4. Once this data has been set, press the stand-by button
to store.
5. If another NVM value has to be changed, use the chan-
nel down button to select the page or position and repeat
as necessary.
Note:
DO NOT change any NVM data, unless you have been ad-
vised to do so by a Sharp representative. If data is incor-
rectly changed, serious damage may occur to the receiver.
Contrast Adjustments
Three types of contrast levels can be varied as listed be-
low:
•
TELETEXT MIX MODE CONTRAST
•
TELETEXT CONTRAST
•
OSD CONTRAST
Use the volume up/down buttons to adjust to a suitable level,
then press the stand-by button to store.
DVCO Adjustment (PAL)
Carry out the DVCO Adjustment (PAL) as shown below:
1. Receive a Phillips pattern signal.
2. While in the DVCO ADJUSTMENT (PAL) menu, press
the stand-by button.
3. The adjustment will be carried out automatically and
stored.
DVCO Adjustment (NTSC)
No adjustment required.
AGC Adjustment
To correctly align the Automatic Gain Control, follow the
procedure outlined below:
1. Tune the set into a pattern generator on CH10.
2. Adjust the signal strength of the pattern generator to 57
dB/uV
3. Enter the service mode.
4. Enter the AGC Adjustment menu.
5. Press the stand-by button on the remote control.
6. The adjustment will be carried out and stored automati-
cally.
Auto Installation On/Off
To return the receiver to the original Auto Installation mode,
using the volume up or down button, set the Auto Installa-
tion On/Off to On. This setting is automatically stored and
when the receiver is turned on the next time it will start up in
Auto Installation mode.
STEREO LED FLASHING CODES.
If the TV set does not work and the stereo led is flashing,
follow the sequence according to the information below, as
a guide to fault finding.
1. Unable to read or write into NVM: 66% ON, 33% OFF
twice and OFF for a second.
2. MSP failure: 66% ON, 33% OFF for three times and
OFF for a second.
3. VCT failure: 66% ON, 33% OFF for four times and OFF
for a second.
On Off
On Off
On Off