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Technics QUARTZ SL-J300R Service Manual page 8

Direct drive automatic turntable system
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m@ POWER SOURCE CIRCUIT
a Product for U.S.A. ([M] area.)
R208
68
Tm
7 so
pmcasomen—
|;
Notes:
i
£20) 2% omen So
os
1. $1
: Power switch in "on" position.
a
R202 390K
"35pm 20ms
2. $301
: Stop/clear switch
3. $302
: Start switch
Sli
4. $303
: Forward skip/search switch.
5. $304
: Reverse skip/search switch.
sys
Ss
Bt
ae:
so. 17a
6. $305
: Cueing control switch.
fee
ic201
7. $306
: Repeat switch.
ook
ee
8. $307~314: Program switch. (Program key 1~8)
9. $315
: Speed selector switch in "auto" position.
Product for Canada
[MC] area
* F2 (fuse) is mounted on the main P.C.B.
10
$316
: Sensitivity selector switch in "M" position.
11
$317
: Record size selector switch in "auto" position.
Gy
~«RROT IK
12
$320
: Reset switch in "off" position.
TURNTABLE:
CONTROL
13. S601
: Rest switch in "off" position.
iA
14. $901
: Voltage selector switch. (Product for [XA] [PA] and [PE]
AC 120V,
re
areas only)
60 Hz
15. The voltage value and waveform are the standard values of this unit in
5
the
stop
motion
measured
by a DC
electronic
voltmeter
(high
ST
ial
A\_F2 800mA
55
impedance) and a oscilloscope on the basis of chassis. Therefore, the
;
voltage value and waveform may include some error due to the internal
sa
impedance of the measuring instrument or the unit measured.
=
): Voltage in 33 rpm.
ERO EEG
SUMOF Une:
16. Important safety notice:
a
avi tn ert
Components
identified by
/\ mark have special characteristiscs
Product
for other areas
([E], [EK], [XL], [EG], [EB], [EH], [EF], [Ei] and [EC] areas.)
AN6638
22
important for safety. When replacing any of these components, use
only manufacturer's specified parts.
For continental Europe
: AC 220V, 50Hz
ion!
For Australia and United Kingdom
Caution!
-
:
re
: AC 240V, 50Hz
IC and LSI are sensitive to static electricity.
Secondary trouble can be prevented by taking care during repair.
az
© Cover the parts boxes made of plastics with aluminum foil.
Jit
Ground the soldering iron.
Put a conductive mat on the work table.
Do not touch the legs of IC or LSI with the fingers directly.
A
* F2 (fuse) is mounted on the main P.C.B.
A\ F2
T500mA
eee
|
FUSIBLE REMPLACEMENT
4£=2
Lesymbole
quise trouve prés du fusible
signifie un fusible a action rapide. Pour une
protection continue contre les risques d'incen-
die, n'utiliser que des fusibles du méme type. Se
rapporter au symbole pour la valeur des fusibles.
to FC1 Terminal
PLUNGER
For other areas
: AC 110~127/220~240V, 50/60 Hz
3
f
servo gain adj.
BLANK
GROOVE
SENSOR
4e.—
—14—

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