Panasonic TC-20B10P Automatic and Manual Memorization, Tune Checking, Audio Checking

Service Adjustments and Calibrations TC-14B10P / TC-20B10P

AUTOMATIC AND MANUAL MEMORIZATION

1- VERIFICATION OF AUTOMATIC MEMORIZATION.

1.1- Adjust the input pattern signal level to 40 dB

1.2- Press FUNC at the front panel and it will appear an indication of AUTOMATIC SINTONY.

Press VOL(+) at the front panel to begin automatic memorization.

1.3- Verify the following items: -Channel changes -Automatic sintony

1.4- When memorization process is over, turn off the TV using ON/OFF button.

1.5- Turn on the TV again using ON/OFF button and verify the memorized channels using CH(+) or CH(_).

2- VERIFICATION OF MANUAL MEMORIZATION.

2.1- Press FUNC at front panel until select SKIP channel. 2.2- To add a channel press VOL(+) or VOL(_) until “OFF “

appears.

2.3- To take one channel out press VOL(+) or VOL(_) at the set until ON appears.

2.4- To change channels press the CH(+) or CH(_).

TUNE CHECKING

1- PREPARATION

1.1- Turn on the TV set using On/OFF switch.

2- VERIFICATION

2.1- Turn on signal at the TV set.

2.2- Press any existing channel number using the remote control and verify if channel is selected.

2.3- Verify at bands VHF LOW, VHF HIGH, UHF and CATV.

AUDIO CHECKING

1- CONFIRMING TONE AND VOLUME

1.1- Apply a pattern signal with sound.

1.2- Confirm that high frequency sound is altered when tone level is varied at “Sound menu”.

1.3- Press the VOL(+) or VOL(_) at the remote control and notice a slight variation.

2- CONFIRMATION OF NOISE MUTE AND BLUE SCREEN

2.1- Apply a PHILIPS pattern.

2.2- Turn on BLUE-BACK at the FUNC MENU. Confirm if audio output is normal.

2.3- Eliminate antenna signal or reduce the signal strenght. Confirm if blue screen appears and audio is cut off.

2.4- Turn off BLUE-BACK at the FUNC MENU. Verify if blue screen doesn’t appear and if sound exist (noise)

2.5- Turn BLUE-BACK again at FUNC MENU.

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