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Sharp DX-361HM - Page 32

Sharp DX-361HM
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®
I
loading
a Test Disc
'f
I
Play
I
D-1
The disc is Check
point
not
initialized
Output
from
pin 4 (DODS)
of
IC4.
Input
to
pin 32 (HFI)
of
IC5.
Output/input
from
pin 12 (QRA)
of
IC4.
Output
from
pin 13
(QCl)
of IC4.
Input
to pin 14 (QDA) of IC4.
Output
from pin 6 (SWAB/SSM) of IC4.
See
Table 7.
There is no audio
Check
piont
D-2
output
from
both
land
R
Output
from
pins 2
(DAABl,
3
(ClAB)
and
channels.
4 (WSAB)
of
IC5.
Output
from pin 17 (MUSB) of IC4.
Dual
D/A
converter IC7 and D-RAM IC6.
Transistor Q2.
See
Table 8.
There is no audio
Check
point
D-3
output
from
L
channel.
Dual D/A converter IC7.
Buffer amp. and L.P.F IC10
~
IC12.
Transistor Q9.
There is no audio
Check
point
D-4
output
from
R
channel. Dual
D/A
converter IC7.
Buffer amp. and
L.P.F.IC10~
IC12.
Transistor Q10.
D-5
The de-emphasis
Check
point
does
not
function.
Output
from
pin 41
(DEEM/DINT1)
of
IC5.
Transistors
03,
Q4, Q7 and Q8.
-32-

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