8
HCD-CP500K/CP500MD
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
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-7B
Summary of Contents for HCD-CP500K
Page 39: ...39 HCD CP500K CP500MD MEMO ...
Page 47: ...HCD CP500K CP500MD 47 47 7 4 SCHEMATIC DIAGRAM CD BOARD Page 52 ...
Page 49: ...HCD CP500K CP500MD 49 49 7 6 SCHEMATIC DIAGRAM BD BOARD 1 2 Page 50 Page 50 Page 50 ...
Page 55: ...HCD CP500K CP500MD 55 55 7 12 SCHEMATIC DIAGRAM TC BOARD IC B D Page 52 ...
Page 59: ...HCD CP500K CP500MD 59 59 7 16 SCHEMATIC DIAGRAM CONTROL SECTION Page 53 Page 52 Page 52 ...
Page 93: ...93 HCD CP500K CP500MD MEMO ...