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AUTOMATIC ADJUSTMENT
Notes : Each test mode key uses remote control for service.
6.6.10 Preparation
Test Point
Discs to be Used
[Procedure]
1. Press the DIG/ANA key so that "
\ If it was not displayed the Focus Offset Adjustment, press the CX key and shift to the
Focus Offset Adjustment.
2. Monitor the MPX signal with VC and set a CD disc.
CN102
3
MPX
10: 1 prove
6
VC
6.6.11 Automatic Adjustment Start
[Procedure]
1. Press the SIDE A key to start the automatic adjustment.
\ Execute it from "6.6.1 preparations" to "6.6.6 SPP Offset Adjustment" of the Manual Adjustment
automatically. And stop by the state that selected an item of next "6.6.7 Tracking Gain Adjustment" once.
6.6.12 Tracking Gain Adjustment
Test Point
Adjustment Value
Purpose
Symptom when Out of Adjustment
[Procedure]
1. Move the Pickup to center of the disc by pressing the CHAPTER key. (
2. Monitor the MPX signal with VC and set a CD disc.
3. Press the 2 x3 key to FOCUS IN.
4. Press the PLAY key to turn the SPINDLE. (CAV)
5. Adjust the SCAN key so that MPX waveform (MPP+SPP) becomes minimum.
6. Press the SEARCH key to register the adjustment.
\ Stop the disc rotation and Excute "6.6.8 MPP Offset Readjustment" automatically. And select an item
of next "6.6.9 Focus Bias Adjustment", and stop with the state completed to average processing.
CN102
39kΩ
3
MPX
10: 1 prove
0.001µF
6
VC
CN102-pin 3 (MPX)
CD test disc (STD-903)
Method
" appears on the FL display.
Oscilloscope
Method
CN102-pin 3 (MPX)
Minimize (MPP + SPP)
Matching gains of pickup main signal output and sub-signal output.
Playback does not function, or incapable of searching.
Adjustment method
Oscilloscope
4 ¢ )
PDR-F10
FL Indication
FL Indication
FL Indication
57
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