Advertisement
1. Focus Offset Adjustment
@ Objective
Sets the DC offset for the focus error amp.
@ Symptom when out of | The model does not focus in and the RF signal is dirty.
adjustment
@ Measurement instru-
Connect the oscilloscope to
@ Player state
Test mode, stopped
ment connections
TP1, Pin 6 (FCS. ERR)
(just the Power switch on)
[Procedure]
Adjust VR103 (FCS. OFS) so that the DC voltage at TP1, Pin 6 (FCS. ERR) is —150+50 mV.
ao
Advertisement
