MDS-S50 (serv.man2) - Sony Audio Service Manual (repair manual). Page 8

8

The special jig (J-2501-196-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.

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)

I+3V

CN105

IOP

TE

VC

GND

FE

RF

I+3V
IOP

GND

TE
FE
VC
RF

I+3V

IOP

GND

TE
FE

VC

RF

1

7

for

MDM-7A