SHARP 70GS-66ECH
Manual de Servicio

70GS-66E
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 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. Contrast Adjustments Three types of contrast levels can be varied as listed below: � 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. 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 standby button. 3. The adjustment will be carried out automatically and stored.

DVCO Adjustment (NTSC) 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 Installation 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: 1. Tune the set into a pattern generator on CH10. 2. Adjust the signal strength of the pattern generator to 57dB/uV 3. Enter the service mode. 4. Enter the AGC Adjustment menu. 5. Press the standby button on the remote control. 6. The adjustment will be carried out and stored automatically. AFT Adjustment To correctly align the Automatic Fine Tune, follow the procedure outlined below: 1. Tune the set into a pattern generator on CH69. 2. Enter the service mode. 3. Enter the AFT Adjustment menu. 4. Press the standby button on the remote control. 5. The adjustment will be carried out and stored automatically. AFT Adjustment (L�) To correctly align the Automatic Fine Tune, follow the procedure outlined below: 1. Tune the set into a pattern generator on CH04. 2. Enter the service mode. 3. Enter the AFT Adjustment menu. 4. Press the standby button on the remote control. 5. The adjustment will be carried out and stored automatically.

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