12
HCD-M333
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.
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 : TRK 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-7S2
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T
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L
1
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5
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Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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