3-41BRC-300/300PBRU-300/300P3-6. BRBK-302 Electrical AlignmentOscilloscope Frequency counterProbeS80013-6-3. VCO Free-running FrequencyAdjustmentAdjustment Procedure1. Connect the oscilloscope and the frequency counter asshown in the figure.2. Set the switch S8001 on the SD-50 board as shown inthe figure.3. Turn on the power of all the equipment, and warmthem up for about 20 minutes.The indicator D8001 on the SD-50 board will be lit.4. Perform the adjustment checking the value of thefrequency counter.Test point: TP8001/SD-50 boardGND: Body (shell part) of BNCconnectorAdjusting point: 1RV8001/SD-50 boardSpecification: 27000 ± 27 kHz5. Turn off the power of the BRC-300/300P.6. Reset the switch S8001 on the SD-50 board as shownin the figure.7. Perform “3-6-4. Output Video Check”.S8001SD-50 BOARD (A SIDE)RV8001TP8002TP8001D8001S8001
