Sony MXD-D400 Service Manual page 11

Compact disc minidisc deck

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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.

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

MXD-D400

CN105

I+3V

IOP

GND

for

MDM-7S2C

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