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Sanyo DCA M15 Service Manual page 16

Integrated stereo amplifier
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Is pulse-shape voltage not applied
Ves
No
to the PAUSE
section of the
Is Q12 turned on?
Is pulse-shape
voltage
not applied to Pin 6 of
Remote Plug of the Turntable?
Yes
1C505 of the Deck?
@ O14 FET is defective.
e D30
and/or
R91
are
e Defective contact be-
tween
Remote
Plug
and
Jack
of
the
TAPE
e Solder
tunnel
and
touch of Jack
e Broken Remote Cord
No
e Check +B of Q11 collector.
Is '"L" input signal not fed
| Yes
The Deck unit
into
Pin
25
of
1C501
K
0
LM4616 of the Deck?
e Q11
is defective.
opened. (Solder tunnel)
Is
Q11
in
the
AUTO
FUNC
P.C.Board
of the Turntable
not
turned on or off?
Yes
is defective.
e Circuit wiring is defective.
(Solder
tunnel,
broken
pattern)
e D517
is opened. (Solder
tunnel)
Pin 4 of 1C505?
No
IC505
LC4011B
is defec-
tive.
the cathode side of DO7?
Yes
e DO7 is opened. (Solder tunnel)
@ C03 and R21 are defective.
the collector of Q12?
Yes
ls Q12 turned on?
4G

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