Sony MDS-SP55 Service Manual page 7

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)
TEO : TRK error signal (Traverse adjustment)
VC : Reference level for checking the signal
RF : RF signal (Check jitter)
Mechanism deck
VC
RF
TEO
IOP
I+3V
GND
RF
VC
TEO
IOP
I+3V
GND
CN110
6P connector
5P connector
1
RF
VC
For
TEO
MDM-3
IOP
5 I-3V
1 VC
RF
For
TEO
MDM-5A
IOP
I+3V
6
GND
7