Fostex CR200 Service Manual page 24

CR200
Out of adjustment
4.2.8 Grating Re-adjustment
Adjust in the same manner as "4.2.4 Coarse Grating Adjustment ".
4.3 Adjustment 2
4.3.1 CD-R VCO Control Voltage Adjustment
• Objective
• Symptom when out of adjustment
• Measurement instrument connections Multimeter to CN331, Pin-1 (VCOIN) (STRATEGY BOARD assy)
• Disc
• Player state
• Adjustment location
[ Procedures ]
(1) Adjust VR301 (VCO CON) so that the voltage at Pin 1 (VCOIN) of CN331 (TP30) becomes 2.5
24
Optimum adjustment
Optimum
Out of
adjustment
adjustment
Fig. 17
To optimize the CD-R VCO control voltage adjustment of VCO IC.
The unit does not record or playback CD-R discs.
GND probe can be connected to CN331, Pin-2 (GND).
None needed
Test mode, stop
VR301 (VCOIN) (STRATEGY BOARD assy)
Out of adjustment
Out of
adjustment
0.1V.