Sony HCD-PX5 Service Manual page 9

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MD SECTION
JIG FOR CHECKING BD (MD) BOARD WAVEFORM
The special jig (J-2501-196-A) is useful for checking the waveform of the BD (MD) board. The names of terminals and the checking items
to be performed are shown as follows.
I+3V : For measuring IOP (Check the deterioration of the optical pick-up laser)
IOP : For measuring IOP (Check the deterioration of the optical pick-up laser)
GND : Ground
TE : Tracking error signal (Traverse adjustment)
FE : Focus error signal
VC : Reference level for checking the signal
RF : RF signal (Check jitter)
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