Read Sony MDS-JA333ES Service Manual online
7
[BD Board Waveform Check Tool]
Use of the exclusive tool (J-2501-149-A) is convenient to check the waveforms on the BD board.
GND : Ground terminal
I+3V : For measuring IOP (Checking deterioration of the optical pick-up laser)
IOP
I+3V : For measuring IOP (Checking deterioration of the optical pick-up laser)
IOP
: For measuring IOP (Checking deterioration of the optical pick-up laser)
TEO : TRK error signal (traverse adjustment)
VC
VC
: Reference level for when checking signals
RF
: RF signal (jitter check)
RF
VC
TEO
IOP
I+3V
GND
5pin connector
CN110
6pin connector
Schematic diagram of the connecting tools
To MDM-5
To MDM-6
To MDM-6
RF
VC
TEO
VC
TEO
To MDM-3
IOP
I-3V
I-3V
VC
RF
TEO
IOP
I+3V
GND
RF
TEO
IOP
I+3V
GND
VC
RF
TEO
IOP
I+3V
GND
1
5
1
6
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