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KD-A11A/B/C/E/J/U
{
Adjusting | Standard
point
value
Measure the 0 VU recording output
More than 42 dB
and the non-signal recording output
for comparison using an electronic
voltmeter.
Check to see if the value conforms to
the standard value.
:
erasing)
Measure the output difference between
=
[IC for Meter & HP Amp.]
(
UPC4557C
[IC FOR Dolby NR Circuit]
Top View
input
[16] ve
pore
ee
ee
ee
eee
LL
t
input
By Pass
Lis
4
Output
By Pass
62
'
'
Reference
NIC
'
t
'
input
Input
! 5
AMP
!'
Output
Output
{
6
Li——~6~—
—~~95~-~4--632~—
~—~§4.~-46.-6-
6
(
Output
By Pass
NIC
[3]
Ground
—13—
No. 4192
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