Dial Cord Stringing - Pioneer SX-1010 Service Manual

power limiter circuit which is independent
circuit. If the power transistor
of the signal
current exceeds the maximum rated value
the power limiter circuit
signal to protect the power transistors.
The '
sensing
' for this protective
performed by
detecting the voltage drop
resistors of the
across the emitter
transistors. There are also protective circuit
which guard against DC potentials at the
power amplifier output junctions
DIAL CORD
1. Turn the tuning capacitor so that its plates
protrude as much as possible.
2. Tie one end of the string to the spring on the
TUNING pulley (attached to
capacitor ).
3. Lead the string around pulley A , then wind
it three turns around the TUNING shaft.
4. Lead the string around pulleys B
then wind it 1-
1/2 turns around the TUN-
ING pulley.
5. Now tie the other end of the string to the
spring on the TUNING pulley. Turn the
TUNING shaft and check for proper func-
tion. Then trim the ends of the string.
6. Turn the TUNING shaft until the plates of
the variable are all the way in.
pointer to the left-end starting point on the
dial and
fasten it to the
position.
PULLEY D
TUNING PULLEY
shorts the input
circuit is
power
, against
STRINGING
the tuning
, C and D
Move the
string in that
speaker complex load impedances less than
, and shorts across the speaker terminals.
Their operation is such that
responding abnormal condition , a relay acts
to
separate the output junction and the
output
circuit. Further
circuits also help to
mute the unwanted
signal which immediately follows switching
the POWER switch ON , and to immediately
disconnect the output after switched OFF.
DIAL POINTER
, under the cor-
protective
, these