Read Sharp 76GF-63 (serv.man5) Service Manual online
9
76GF-63H
Changing NVM Data
1. While on ALTER NVM PAGE, use the volume up/down buttons to change this data (data is shown in hexadecimal
format).
2. Press the channel up button and ALTER NVM POSITION appears, use the volume up/down buttons to change this data
(data is shown in hexadecimal format).
3. Press the channel up button and ALTER NVM VALUE appears, use the volume up/down buttons to change this data
(data is shown in hexadecimal format).
4. Once this data has been set, press the standby button to store.
5. If another NVM value has to be changed, use the channel down button to select the page or position and repeat as
5. If another NVM value has to be changed, use the channel down button to select the page or position and repeat as
necessary.
Note:
DO NOT change any NVM data, unless you have been advised to do so by a Sharp representative. If data is incorrectly
changed, serious damage may occur to the receiver.
DO NOT change any NVM data, unless you have been advised to do so by a Sharp representative. If data is incorrectly
changed, serious damage may occur to the receiver.
Procedure to re-set the NVM:
Modify the NVM values as in the below table.
Modify the NVM values as in the below table.
All the above values are hexadecimal.
Contrast Adjustments
Three types of contrast levels can be varied as listed be-
low:
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 standby button to store.
then press the standby button to store.
DVCO Adjustment (PAL)
Carry out the DVCO Adjustment (PAL) as shown below:
1.
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 standby button.
the standby button.
3.
DVCO Adjustment (NTSC)
No adjustment required.
No adjustment required.
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.
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.
AGC Adjustment
To correctly align the Automatic Gain Control, follow the
procedure outlined below:
procedure outlined below:
automatically.
AFT Adjustment
To correctly align the Automatic Fine Tune, follow the
procedure outlined below:
procedure outlined below:
automatically.
NVM Page
NVM Position
Default Value
New value
00
7E
A5
A6
0C
20
Different on every set
Default value + 1
0C
61
Different on every set
Default value + 1
0D
3C
Different on every set
Default value + 1
0D
A5
Different on every set
Default value + 1
