Servicing Note - Sony MDS-JE520 Service Manual

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)
TE : TRK error signal (Traverse adjustment)
VC : Reference level for checking the signal
RF : RF signal (Check jitter)
SECTION 1

SERVICING NOTE

Mechanism deck
RF
VC
TE
IOP
I+3V
GND
Jig
(J-2501-149-A)
– 6 –
CN110