ROADSTAR 11 AK20
Instrukcja Serwisowa

AFC Adjustment: For TVs not including � L/L� � Standarts: � Switched the system to the desired standard, � Apply the IF signal to the IF inputs in accordance with the standards (38.9MHz for � B/G � and � D/K �, 39.5MHz for � I � ) at pin1 and 2 of SAW filter (Z101) � Adjust the VL101 until getting 2.5 Vdc at pin9 of the microcontroller (IC501). For TVs including � L/L� � Standarts: � Switched the system to a desired standard, � Apply the IF signal to the IF inputs in accordance with the standards (38.9MHz for � B/G � and � D/K �, 39.5MHz for � I � ) at pin1 and 2 of SAW filter (Z101), � Adjust the VL101 until getting 2.5 V dc at pin9 of the microcontroller (IC501), � Switched the system to the standard � L �, � Apply the IF signal to the IF inputs in accordance with the standards (33.9MHz for � L �) at pin1 and 2 of SAW filter (Z101), � Adjust the VC101 until getting 2.5 Vdc at pin9 of the microcontroller (IC501).

10