54
PDR-F10
[Procedure]
1. Press the CX key and shift to the SPP Offset Adjustment.
2. Monitor the MPX waveform with VC.
2. Adjust the SCAN key so that SPP offset becomes zero.
3. Press the SARCH key to register the adjustment.
6.6.6 SPP Offset Adjustment
0 mV
±
50 mV
CN102-pin 3 (MPX)
Test Point
Adjustment Value
Optimizing DC offset voltage of sub-signal output circuit.
Playback does not function, incapable of searching, or track jumping.
Purpose
Symptom when Out of Adjustment
Adjustment method
FL Indication
CN102
MPX
VC
3
6
10: 1 prove
Oscilloscope
[Procedure]
1. Press the CX key and shift to the Tracking Gain (MS MIX) Adjustment.
2. Move the Pickup to center of the disc by pressing the CHAPTER key. (
4 ¢
)
3. Monitor the MPX signal and set a CD disc.
4. Press the
2
x3 key to FOCUS IN.
5. Press the PLAY key to turn the SPINDLE. (CAV)
6. Adjust the SCAN key so that MPX waveform (MPP+SPP) becomes minimum.
7. Press the SEARCH key to register the adjustment.
8. Press the STOP key to stop the disc rotation.
6.6.7 Tracking Gain adjustment
Minimize (MPP+SPP)
CN102-pin 3 (MPX)
Test Point
Adjustment Value
Matching gains of pickup main signal output and sub-signal output.
Playback does not function, or incapable of searching.
Purpose
Symptom when Out of Adjustment
Adjustment method
FL Indication
CN102
MPX
VC
3
6
10: 1 prove
Oscilloscope
39k
Ω
0.001
µ
F
Summary of Contents for PDR-F10
Page 7: ...7 PDR F10 ...
Page 25: ...PDR F10 25 A B C D 5 6 7 8 5 6 7 8 A 1 5 CN302 NORMAL MECHA ADJ SYSTEM CONTROL 1 2 C ...
Page 69: ...69 PDR F10 Pin Function 2 5 ...
Page 70: ...70 PDR F10 Pin Function 3 5 ...
Page 71: ...71 PDR F10 Pin Function 4 5 ...
Page 72: ...72 PDR F10 Pin Function 5 5 ...
Page 76: ...76 PDR F10 AK8567 CD R CORE ASSY IC101 RF Processor Pin Function 1 2 ...
Page 77: ...77 PDR F10 Pin Function 2 2 ...