Goldstar OS-7020 Service Manual page 35

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CALIBRATOR
·@
Check/Adjust CAL. terminal(0.5Vp-p, lKHz)
a. Connect the CAL. terminal to the input of frequency
counter(FC-5015)
b. Adjust VR408 so that the the frequency be lKHz±20Hz.
c. Next, connect the CAL. terminal to the input of CHl.
d. Adjust VR407 so that 5 div. be abserved.
e. VOLTS/DIV. is set to O.lmV
34

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