Sony MDS-NT1 Service Manual page 8

Minidisc deck

Table of Contents

MDS-NT1

JIG FOR CHECKING BD BOARD WAVEFORM

The special jig (J-2501-149-A) is useful for checking the waveform of the BD board. The names of terminals and the checking items to be

performed are shown as follows.

GND : Ground

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)

: Tracking error signal (Traverse adjustment)

: Reference level for checking the signal

: RF signal (Check jitter)

: Focus error signal

I+3V

GND

Iop

I+3V

Iop

GND

CN105

I+3V

Iop

GND

for

MDM-7S2B

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