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PD-S703
Out of adjustment
Optimum adjustment
Out of adjustment
Out of
Optimum
Out of
adjustment
adjustment
adjustment
Figure 3.
Eye pattern
4. RF Level Verification
@ Objective
To verify the playback RF signal amplitude
@ Symptom when out of | No play or no search
adjustment
@ Measurement instru-
| Connect the oscilloscope to
@ Player state
Test mode, play
ment connections
TPI, Pin 1 (RF).
[Procedure]
1. Move the pickup to midway across the disc (R=35 mm) with the TRACK/MANUAL SEARCH FWD [>> [>] or
REV KK <k key, then press the OUTPUT SELECTOR key, the PLAY [> key, then the PAUSE [][] key 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.
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