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| 3DE-7886R
1. Block Diagram
(a).
(b).
(c).
3. Connection (Example)
Connect OSC output to resistor for gain measurement (100 ohm).
(Digital Servo LS!) is malfunction.
NOTE: AC voltmeter is available to measurement.
Oscilloscope or
AC voltmeter
=,
Common with the
ground of the set
TC9296AF
(IC2101) #51 FOO
BA6791FP (C2103)
* FOO: Focus drive output
1. Block Diagram
Sampie player
Oscillator and oscilloscope
(Connect negative side with GND of set.)
Osc
Oscilloscope or
AC voltmeter
Connect CH2 of oscilloscope to TC9296AF (C2101) side of
resistor for gain measurement (100 ohm).
Play back the eighth track of A-BEX TCD-782 disc for
measurement.
(No sound recording track)
A.
common with the
ground of the set
BA6791FP (iC2103)
Output frequency (1 kHz, 50 mVP-P) from OSC
and convert into dB.
Gain (dB) =20 Log (CH2/CH1)
Specification : Gain
Normal if it is within 030B.
* If the specificaiton is out (NG), TC9296AF (C2101)
(Digital Servo LS!) is malfunction.
NOTE:
AC voltmeter is available to measurement.
TC9296AF
(C2101) #52 TRO
* TRO: Tracking drive output
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