Technics SC-CH570 Service Manual

RS-CH770 |
Table 1: Service Mode Diagnostic Items
LED
indicator
and
illumination
status
(on/off)
Notes:
DECK
1
DECK
2
Fault
location
;
©
:
eee
MODE detect switch * If no fault, all indicators go out.
REC prevention switch
Half detect switch
CrO2 tape detect switch
Metal tape detect switch
Reel pulse detect system (Hall IC, etc.)
TPS operation
® Deck 2 Mechanism Check
Use
the
Deck
1/2
alact
|
Open
the
Deck
2
|
Insert
a
metal
tape
into
button
to
change
the
cassette
holder.
the
Deck
2
with
an
intact
flashing
Deck
1
|—
ey
(OPEN
button)
erase-prevention
tab
on
Close
the
Deck
2
indicator
to
Deck
2.
the
right side.
cassette
holder.
DECK 1/2 & OPEN
(slums)
{roy
oy
aw
Press
the
TPS
>>
|
Open
the
Deck
2
cassette
holder
Press
the
«qq
TPS
button.
(Tape
fast
and
turn
over
the
metal
tape
(intact
button.
(Tape
rewinds
forwards
for
about
2
erase-prevention
tab
on
the
left
for
about
2
seconds
seconds
then
stops.)
|_|
side).
(OPEN
button)
Close
the
Deck
2
|_,|
then
stops.)
cassette holder.
Press the PLAY button. Open the Deck 2 cassette
(After TPS operation holder and replace the CrO2
and check, the tape tape with a normal tape.
stop.) hag (OPEN button) Pa
oon, | |S
Open the Deck 2 cassette
holder and replace the metal
tape with a CrO2 tape.
Close the Deck 2
(OPEN button)
cassette holder.
4
[=|
4
cM
Press
the
REC/PAUSE
Press
the
STOP
button.
Fault
items
1
to
7
can
be
checked
as
button.
(No
record
the
four
LED
indicators
turn
on
or
off.
(Refer
to
Table
1.)
Close
the
Deck
2
operation.)
Each
time
the
STOP
button
is
pressed,
the
fault
items
are
cassette
holder.
displayed
in
sequence.
@REC PAUSE
@Cis
NS
* If no fault, all indicators go out.
© Exiting Self-Check Mode
1. Press the STOP button for more than 6 seconds. (Diagnostic contents
stored
in
memory
for
both
Deck
1
and
2
are
erased.)
(<=)
2. Remove the cassette tape from the cassette holder.
3. Turn off the unit.
444
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Technics SC-CH570 Specifications

General

Brand	Technics
Model	SC-CH570
Category	Stereo System
Language	English