Read Sony HCD-MD595 Service Manual online
11
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.
to be performed are shown as follows.
GND : Ground
I+3V : For measuring IOP (Check the deterioration of the optical pick-up laser)
IOP
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
: Tracking error signal (Traverse adjustment)
VC
: Reference level for checking the signal
RF
: RF signal (Check jitter)
FE
: Focus error signal
I+3V
CN105
IOP
TE
VC
GND
FE
RF
I+3V
IOP
IOP
GND
TE
FE
VC
RF
FE
VC
RF
I+3V
IOP
GND
TE
FE
FE
VC
RF
1
7
for
MDM-7X2A
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