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XV. BTSC INPUT LEVEL ALIGNMENT
1. Receive a Colour Bar Pattern (set to 100%
modulation at 300Hz mono).
2. Connect oscilloscope to monitor IC001 (TPL or TPR ).
3. Adjust BTSC INPUT to obtain amplitude1.4V P-P +5%.
XVI. BTSC STEREO/SAP AUTOMATIC ALIGNMENT
1. Connect the 10uF/16V Capacitors from IC001 EIL,EIR TO GND.
2. Receive PHILIPS 5418 TD Colour Bar Pattern
(Set BTSC STEREO/SAP TEST 1.L=300Hz and
R=3.1KHz 14% Modulation).
3. Into FACTORY SERVICE mode press REMOVE CONTROL
Enter Factory mode,Press S.MPX to start automatic alignment.
XVII. V-CHIP SECRET CODE
Use secret code(3681) to enter the parental guideness
menu and Charge the secret code to (0000).
XXI. SERVICE ITEM ADJUST
Continue pressing VOLUME (-) button on the TV set to MIN sound
level,then press (RECALL) key on the remote control at the same time to enter the
SERVICE mode.
Use (
to select item.
Use(
to adjust value.
Switch the power off to leave service mode.
SM-74PM P.9
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