Fine Tuning - Sanyo C21LF41 Service Manual

Service Adjustments
6. Select "HI SEPARATION" by pressing the CHANNEL
UP/DOWN button on the remote control or TV set.
INPUT LEVEL
HI SEPARATION
LOW SEPARATION
ADJUST: - /+
CHOOSE: ▲▼
EXIT : MENU
7. Adjust the level of 4KHz at TP-318 (pin-39 of IC3401)
to become minimum level by pressing the VOLUME (+/-)
button on the remote control or TV set.
8. To exit from the service mode, press the MENU button.
Service Adjustment-3

FINE TUNING

This adjustment is used to do a fine tuning of the channels with poor reception after they have been stored by the
automatic tuning.
This function is available for one channel only and the fine-tuned channel is memorized into IC802 (EEPROM).
1. Enter the Service Menu
While pressing the MENU button on the television,
press the "4" or MENU button on the remote control
unit. The Service Menu now appear.
FINE TUNING
Fine tuning service mode
2. Service Adjustments:
Press and hold the VOLUME + or VOLUME - button
on the remote control handset or TV set to make fine
tuning adjustment. Press and hold the VOLUME +
button for higher frequency tuning, and press and hold
the VOLUME - for lower frequency tuning.
Fine tuning data value will be automatically stored in memory.
To return to normal TV mode, press the MENU button on
the TV set or remote control handset. (Or will automati-
cally return to normal TV mode after 5 seconds.)
08
21
34
- +
-16- -16-
TP-318 (L)
ME NU
MENU
[ Entering the Service Menu ]
VOLUME -
[ Service Adjustment ]
MENU
[ Exit from the Service Menu ]
Minimum leakage
4KHz
MENU
VOLUME +