Technics SLJ 1 Service Manual

Page 1

ORDER NO. DADB4090103$0

Service ManUal

Belt Drive Fully Automatic Turntable System

SL-J1

Please use this manual together with the service manual for Model No. SL-J1,

Order No. DAD84060094C0.

Notes:
adjustment method of servo again and offset voltage.

*The circuit of SL-Jl has been changed for the improvement of performance, and correct the

*The changes are mentioned in this supplement. Please keep this point in mind when servicing.
*This supplement should be field with the service manual for Model No SL-Jl.

(Order No. DAD84060094CO)

{CHANGES

I SCHEMATIC DIAGRAM

0 Synchro-rec drive circuit

OLD

lC30l
MNl420FPL

To cucinq
plunger

RSIO 27K

To cueing
indicator

SYNC HRO

REC 030!

R303
'K

SYNCHRO

REC

NEW

|C30l

MN|420FPL

To cuoinq
plunger

ll

41

C304 O.l

i lOK

R302

To Cueinq
Indicator

R304 330

Q30|

R303

Matsushita Engineering and
Service Company

50 Meadowland Parkway.
Secaucus. New Jersey 07094

Technics

Panasonic Hawaii lnc.
91-238 Kauhi St. Ewa Beach
PO. BOX. 774

Honolulu, Hawaii 96808~0774

Matsushita Electric

at Canada Limlted

5770 Ambler Drive, Mississauga.
Ontario. L4w 2T3

Panasonic Sales Company.
Division of Matsushita Electric
of Puerto Rico, Inc.

Ave. 65 De lnfanteria. KM 9.7
Victoria, Industrial Park
Carolina. Puerto Rico 00630

Matsushita Electric Trading Co., Ltd.
PO. Box 288. Central Osaka Japan

Page 2

I REPLACEMENT PARTS LIST (Change in replacement parts list)

Ref. NO. Change of Part No. Part Name a Per Set Remarks Ref. No. Change of Part No. Part Name a. Per Set Remarks
SL-Jt (OLD) 'l" SL-Jt (NEW) Descr'mlo" (PCS-l SL-J1 (OLD) {b SL-Jt (NEW) Descr'Pl'O" (PCS-l
TRANSISTOR RESISTORS
0313 ................ 22323: or Synch,o_,ec Drive 1 Addition R303 ERDS2TJ102 enosznzn ggfgfiséw- 1 Change
RESISTORS carbon. 1/4w. R356 ---------------- enosznioa cgifinigxw. 1 Addition
R302 ERDS2TJ102 enosmioa 10 m :50/0 1 Change R357 ................ 530521-552 ggrfgnigzw- 1 Addition
I ADJUSTMENT 2 : Change of part
0 English
2 1. Remove the dust cover. 5 1. Turn the power switch on.
(Refer to "DISASSEMBLY INSTRUCTION") 2. Keep the F skip switch depressed to move the
2. Open the upper cabinet and hold the cabinet tonearm.
switch with tape. VR501 3. Open the upper cabinet.
. 3. Connect the DC voltmeter to CN301 5-pin (Servo gain) 4. Completely shift the tonearm to the left. Then,
Servo gain . . .
and offset (+) and 2-pin (-). adjust VR501 so that the voltage issv.
voltage 4. Remove the sensor cover. Screw (Servo gain)
(Offset voltage) 5. Set the tonearm to the center and make sure
(Fig. 20) that the output voltage ($33};
6. If the voltage is not 3V,ad)ust screw so that
the output voltage is
(Offset voltage)
0 Deutsch __I l fl
2 1. Die Staubabdeckung entfernen. 1. Den Ein/Aus-Schalter einschalten. 1
(Siehe ANLEITUNG FUR DIE 2. Den F-Uberspring-Schalter gedrUckt halten,
DEMONTAGE".) um den Tonarm zu bewegen.
2. Das Gehauseoberteil Oflnen und den VR501 3. Das Gehauseoberteil difnen.
Gehauseschalter mit Klebband in der (Servo- 4. Den Tonarm ganz nach links bewegen. Dann
Servo- gedruckten Stellung arretieren. Verstarkung) VR501 so justieren daB die Spannungi
Versttlrkung 3. Das Gleichstrom-Vottmeter an CN301. betragt. ..
Stift 5 (+) und Stift 2 (-) anschlieBen. (Servo-Verstarkung)
und Offset- . Schraube . .
4. Die Sensorabdeckung entfernen. 5. Den Tonarm zur Mitte hm stellen und
spannung (Offset- .. .. .
spannung) uberprufen. daB. die Ausgangsspannung.
(Abb. 20) betragt' . .. .. .. .
6. Falls die Spannung nichtié: .I'.-:iiibetragt, ist die
Schraube so zu justieren, daB die
Ausgangsspannung 22-;iiibetragt.
l (Offset-Spannung)
0 Francais -
1. Retirer le couvercle protege-poussiere. 1. Mettre en circuit l'interrupteur dalimentation. -
(Se référer aux lNSTRUCTlONS POUR LE 2. Maintenir enfonce Ie commutateur de saut F
DEMONTAGE".) VR501 pour deplacer Ie bras de lecture.
. . . 2. Ouvrir le boitier supérieur et maintenir (Amplification 3. Ouvrir Ie boitier supérieur.
Amplification . . - . . .
servo- appuyee la touche du bOitier avec une bande servo- . 4. Deplacer completement le bras de lecture vers
mécanique et adheswe. . . mecanique) la gauche. RUIs, aiuste-rzyR501 de telle sorte
tension 3. Raccorder Ie voltmetre a CC. 3 la broche 5 que la tenSion son de.;.,.;..
, (+)let a la broche 2 (-) de CN301. Vis (Amplification servo-mécanique)
décart de . . . . . . .
r églage 4. Retirer le couvercle du disposmf detecteur. (Tensuon de 5. Regler le bras de lecture au centre et
decalage) s assurerque la ten5ion de sortie son de 3?
(Fig. 20) 6. Si la tension nest pas deifi.f..§*
telle sorte que la tension de sortie soit deéfir' I}???
(Tension de decalage) 4
0 Espariol
1. Remover la tapa contra el polvo. 1. Encender el interruptor de la corriente. P
(Referir a "lNSTRUCCION DE 2. Mantener el interruptor de salto F oprimido I
DESMONTAJE") para mover el brazo sonoro.
2. Abrir el gabinete superior y sujetar el VR501 3. Abrir el gabinete superior
G . interruptor del mismo con cinta. (Ganancia del 4. Mover completamente el brazo sonoro a la
anancia del .
servo- 3. Conectar el voltimetro de CC a 5 pernos servo- izquierda Luego regular VR501 de manera
mecanismo y (+) Y 2 pernos (-) de CN301. mecanismo) que la tensidn sea .
tensién de 4. Remover la cubierta de sensor. (Genancia del servomecanismo)
desnivel Tornillo (Tensidn 5. Colocar el brazo sonoro en el centro y
de desnivel) asegurarse de que la tensidn de salida sea de
(Fig. 20) 3
6. Si la tensidn no es firegular el tornillo de
manera que la tensidn de salida sea "
(Tensidn de desnivel)

Printed in Japan
840909400®AM