Table of Contents
Advertisement
Available languages
Available languages
4. RF Level Verification
@ Objective
To verify the playback RF signal amplitude
@ Symptom when out of | No play or no search
adjustment
@Measurementinstru-
{| Connect the oscilloscope to
@ Player state
Test mode, play
ment connections
TP1, Pin 1 (RF).
[Settings]
50 mV/division
@ Adjustment location
{None
10 ms/division
AC mode
e Disc
YEDS-7
[Procedure]
1. Move the pickup to midway across the disc (R= 35 mm) with the MANUAL SEARCH FWD p> or REV <k1 key, then
press the PGM(PROGRAM) key, the PLAY > key, then the PAUSE {J a in that order to close the respective
servos and put the player into play mode.
2. Verify the RF signal amplitude is 1.2 Vp-p + 0.2V.
La™
Advertisement
Table of Contents
