Sony OA-D32W Service Manual page 17

Normal Operation'
Procedure Step Operation
14 Output level
15
0.2V
-0.5 V
Peak Shift
( a ) e
1. Move the head until it arrives at TRK 79, and then write
"2F".
The output signal level of CNl07-l is 0.4 to 0.8 Vp·p
(e
0.2 to 0.5 Vp·p).
The following read data can be obtained at TP-3 on the
checker. (Refer to Fig. 3-4 (a) (b) )
Em
2. Set the SIDE SELECT switch to side 1.
Move the head until it arrives at TRK 79, and then write
"2F".
The output signal level of CNl07-l
is
0.2 to 0.5 Vp-p.
The following read data can be obtained at TP-3 on the
checker. (Refer to Fig. 3-4 (a) )
Output
Signal
RDData
(b)
EE1!I
Fig.
3·4
Output Signal and RD Data Waveforms
1. Write "WCP(W/M)" ontoTRK 79.
Such waveforms as shown in Fig. 3-5 (a) (b) can be
obtained at eNl07-l and TP-3, respectively.
The waveform in Fig. 3-5 (a) (b) shows the read data at
~1 .
Output
Signal
(CNtOl·t)
RDData
(Tp·3)
(a)
L-J
(b)
Less than 2.43 IlSec. (with OA·D46VA) Less than 2.43 Ilsec. (with OA·046VA)
Less than 2.43 jlSec. (with OA·D46WA) Less than 2.43 jlSec. (with OA·D46WA)
Fig.
3·5
Waveforms of Output Signal and RD Data
at TRK 79
Em
2. Set the SIDE SELECT switch to side 1. Write "WCP
(W/M)" onto TRK 79.
Such waveforms as shown in Fig. 3-5 (a) (b) can be
obtained at CN 107-1 and TP-3, respectively.
The waveform in Fig. 3-5 (a) (b) shows the read data at
TP-3.
-19-