Signal Adjustment; Signal Adjustment Preparations - Sony BL55-NE Bedienungsanleitung

3-5. Signal Adjustment

3-5-1. Signal Adjustment Preparations

Check that the interface unit is turned off.
Refer to section 4-2 for removing and attaching the cover of the interface unit.
1
Connect the CH1 probe of the oscilloscope to the check pins
*1 Output format A
Output format F, G, or H : TP3 and TP8
2
Connect the CH2 probe of the oscilloscope to the check pins
*2 Output format A
Output format F, G, or H : TP2 and TP7
Oscilloscope
CH2 CH1
3
Set the TIME/DIV switch to the X-Y mode.
4
Set the deviation sensitivity (VOLTS/DIV) of CH1 and CH2 to 0.5 V/DIV.
5
Set the input coupling switches of CH1 and CH2 of the oscilloscope to GND, and adjust the position of
the oscilloscope so that the signal is at the screen center for output format A and the signal is at the
bottom left for output format F, G, and H.
6
Set the input coupling switches of CH1 and CH2 of the oscilloscope to DC.
7
Turn the interface unit's power on.
Be sure that the interface unit is turned off before attaching or removing the probe of the oscilloscope.
BL55-NE
: TP301 (SIN) and TP61 (AGND)
: TP351 (COS) and TP61 (AGND)
CH1
Output format A
CH2
TP301
( SIN )
TP351
( COS )
Probe
TP61
(AGND)
TP301
(SIN)
TP62
TP201 (A)
(DGND)
TP351 TP251
(B)
(COS)
Interface unit
Fig. 3-12
*1
of the interface unit.
*2
of the interface unit.
TP61
( AGND )

Signal adjustment

section-detailed view
Output format F, G, H
CH1
TP3
TP6
CH2
TP2 TP5
TP1 TP4
TP7
TP8
3-9
(E)