Sony HCD-ZX50MD Service Manual page 10

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)
TE : TRK error signal (Traverse adjustment)
VC : Reference level for checking the signal
RF : RF signal (Check jitter)
FE : Focus error signal
I+3V
GND
10
IOP
TE
VC
FE
RF
I+3V
IOP
GND
TE
FE
VC
RF
CN105
1
I+3V
Iop
GND
for
TE
MDM-7B
FE
VC
RF
7