Technics SL 1210 Mk2 Service Manual

Page 1

0RD ER NO. DA 08404007630

Service Manual

SL71200MK2 is the model for silver type.
SL-121DMK2 is the model for black type ol SL71200MK2.

[

Please use this manual together with the service manual for Model No. SL-1200MK2/1210M K2.

Turntable System

SL-1200MK2

[,MC]
[E], [EK], [XL]. [EG], [lg/IE], [EH],
[EF], [El], [XA], [PA], [PE], [PC]

SL-121OMGK2

NEH]

Are-s

' [M] is available ll. me U.S.A.

[MC] is aVailable in Canada
. [E] is available in Switierland and Scandinavia.

" lEKi is available in United Kingdom,
\ ' [XLl is available in Ausrralia.

' [EC] is available in FR Germanv.

' [EB] is available In Belgium.

' [El-ll lS available in Hulland.

(EF] is available In France.

' [Ei] is available in ltaiv.

[XA] is available in Southeast Agia, Oceania, Alrrca,

Middle Near East and Cemral Soulll America.

l [PA] lS available In tar East PX.
; [PE] is available in European Military.

L' [PC] is available in European Audlo Club.

English
Specifications Specifications are subject to change Without notice for lurtner improvement
Weight and dimensions shown are approximate
l
I General

Power su pPIVI

Power oonsum Dtion:

Dimensions:

[W x H x D)
Weight:

Turntable section
Type:

Dirva method:
Motor:

120V, AC 60 H2 (For (Ml. [MC] areas)
~l 10-120220-24CV. 50 or 60 Hz

(70' ntherareasl
14w [For [M], [Mcl areas)
13 5 W lFar ot'ierareasl
4§3>:16.2x36cm
[17-27/37." x 6-i9/64" >< 14.11/64")
12.5 1

Quartz direct drive
Manual turntable
Direcr drlvl:
Brushless DC motor

Aluminum dream
Diameter 332 :m (IQ-SIM")

Turntable planer:

Weight 2 l: 4 lb]
Turntable speeds; 33-1/3 rom and 45 rpm
Starting torque: 15 kg - cm :1 3 lb - in}

D 7 s from standstill to 33-1/3 mm
Electron-c in-ake

OAOi %WRMS'

OOZfiVoWRMS (JlS C552?)

1 0. 035° At peak ilEC 98A WeiglrtL-Ji

Buildup nharaclcrislim:
Braking sysxem:
Wow and lluner:

' This rating relers to turntable assemblv' one. excluding allects
01 recorc.car1rld9e or mnenrrr=,but ln udfng clatter.
Measured by obtaining srgral irom bu.|l-l|\ l-muctrcv {:6
01 leO' assembly.

rerator 1

Rumble: -56dE (IEC 98A Unweiglltedl

-78 dB [IEC 93A Weighted)

Maisushlla Enatneerina and

Set-ice Cnmaany

50 Meadowlana Parkway.
Seeaucus New Jersey U7OBA

Technics

Panasonic Hawaii Inc.
97233 Kauhl 5| Ewa Beach
9 O Box 77

HDnDlHIU. Hawaii 96305-0775

Panasonic Sales Compnny,
Duisi oI Matsushila Elm-i:
ul Fuanu Rica Inc.

Ave. 65 so Ii nlerla. KM 9.7
VlClOll: lri isiiialvair
Caioiina. aria fiico 00630

Matsushlla Elenrlt:

bl Canada Limilad

5770 ArrDIEI olive MlSSlSSaUii
Ontario. Law 213

Panasonic Tokyo

Matsushlto Eloctrlc Industrial Co., Ltd.
l-Z, l-cnome. snibakoen. Minamku. Tokyo 105 Janan

Matsushita Electrlc Trading Co.. Ltd.
ac, Box 233. Cenlral Osaka Jaoan

Lfd.Nr. 1845

Page 2

1200 OMK2

I Tonearm section

Universal
230 rum (9-1/16i

Yype:
Etienive length:
Arm height adiustment

range: 0 - 6 mm
Overhang: 15 mm (19/32")
Eileetlve mass: 12 q [WIthOUl cartridge)
Offset angle: 22°

Friction:
Tracking error angle:

Less than 7 mg (lateral, vertical)
30 cm (12) record

30 cm 412") record

Within 2°32' (at the outer groove 0!

Within ODEZ' lat the inner groove of

Stylus pressure

adiustmoni range: 0 - 2,5 g
Apnlimble mnridge
weight range: 6 7 1O 9

W35 -17.5 g (including headshell)
(with auxiliary weight): 9 5 - 13 El
'l7 - 205 9 {including hadhselll

(with shell weight]; 35 - 6.5 9
11-14 9 {including headsheli)
Headshell weight: 7.5 9

/- Notes

of production.

already issued.

the development plan on page 8.

l- {-1 r-fi
"LQJ --r1 6 6:
l 7-? L-J

& if-J
Name Dialé . MUDgL SL-iZOOMK2»A

Serial No. sheer

DDDDDUEDUD

Change mark

t To improve the performance of SL-1200MK2/1210MK2, the bottom structure and circuit are changed in the course

it After the change, SL1200MK2-A/1210MK2-A is indicated in the name plate as the model of the set.
It is discriminated from before-change set by -A. Also, check that the present change is of the sets after the change
mark E! shown in the sirial No.shee1 attached 10 the bottom and carton box.

* This supplement service manual contains the bottom plate disassemhly procedure, change part No., circuit diagram,
P,C.B. and block diagrams. The other contents are the same as for the service manual of SL-1200MK2/1210MK2

3' Sets with cartridge (EPC-207Cl are included in those for same areas.
it Since the power transformer titling method is different for sets with serial number sheet change mark IE] , refer to

Serial Nd. sheet

Deutsch
TECHN ISCH E DATEN

I Allgemeine Daten

Strpmversargung: ~1lO-i20/220A240 V, 50/60 Hz
Wechscistrom
Leistungsaulnahme: 135 W
Ahmessungen:
leHxT): 115:3x16,2x36cm
Gewicht: 12.5 560
I Plattenspieler
Typ: Manuel ler QuaIz-Direktantrieb-

Plattenspleier
Direklanrrieb

Kollekmrloser GIemhstrommcror
Aluminium-Spritzgufl
Durchmesser 33,2 cm

Gewmht 2 kg

Antriar:
Motor:
Planenteller:

Anderurigen der techmschen Daren vorbehalren
Die angegebenen Gewicbts' und AbmeSungsdaten smd ungetahre Wane

Planentelter-Drnhzahllan:
Anlautdrehmomem:
Drehzahl-Hachlautzait: 0.7 s. vom Stillstand auf 33-1/3 U/rnln
Erernssvnern: Elektronische Bremse
Gleinhlalflschmnkungen: 0.01% WRMS
0,0251% WRMS lJlS C5521]
1 0,035% Spitze [IEC 98A bewerret)
" Diese Nenrllelstung be7ieht such 3| Lia: Laufwerk-Bauteii allcm,
ausschliefillch FinlIJsse von Schallplatte. Tnnabnehmer oder
Tonarm, aber einschliethh Plattemeller.
Gamessen anhand von Signalen vom elngebfluren
Frequenzgenerator des Mmorbautells,

3371/3 und 45 U/min
1,5 kg A cm

RumDeIGeréusch-
spannungsabsland: =.56 dB (IEC 95A UanwF'rleU

778 dB {IEC QBA beweteil

Page 4

SL 2OOMK2/121OMK2

Eeuafiol
ESP EC! F I CAC ION ES Las especificacianes quedan SUJEIBS a ambios sin aviso Pres/lo.
El peso y Ias dimensions: indicados son aoroxlrnados.
l in general i Seocién del brazo sonarc
Alimomaeibn de Tina: Brazo sonaro universal
corrimu: ~110-120/220-240 V, 50 c': 60 Hz Longimd ofnctivn: 230 mm
Consume He coniama: l3.5 W RIdio do aiune do
Dimensions: 45.3 x 16.7. x 36cm ailur: dul hruo: 0 - (5 mm
(Andm x Alta in PM fineniiomo: 15 mm
Pm: 12,5 kg Nhsa Mani : 12 9, (sin carzucho)
Arugula dc descemn-
I Sowién del plate giruovio mimflc: 22°
Friadén: Menus de 7 m9

Tipo: Plato glralorio manual (15
accuonemlenm durecto DO! :uavzo
Actionamxenxo direcw

Motor ale comeme cominua Sm
escoulllas

Alummio lundido

Diamalro 332 cm

Angula a: error de
soguivmiomn:

Minodo de acciunamienio:
Motov:

PInilln dol plno gimarlo:

Radio d2 ajune de la

P290 2 kg , .
Velocidada dial plan pe-IsIén d: In up:
gimo-io: 334/3 y 45 rpm Radio :1: pm .dl
Pa! motor d2 arranque: 1,5 rig . cm canuchn mlllzablu:
Carla-termini da
asuhlecimiema: 0.7 5 la Da!:ir de repose) hasla
334/3 rpm (con mun-peso d.

Sin-ma de lmmdn:
Ulul-ciunes y uémola:

Franc electronlco
0.01% WRMS
0,1325% WHMS (.JIS C552

1 (1.035% cresxa llEC 98A Pende'ado) (n contrapnso de

la dank):
'Esms caramensticas se reflerer Ilmuzmeme al comunm del nlato

gnaw/i0, con excluslén :13 ms efenos provememes del dlSCD,

canucho 0 del maze sonoro, incluvenco. emuem, El plaullo

La medlda we mmada our media de la serial omemca Gel

generaaor ce lrecuenma incorpol'aco del conjunio del motor.

Rania do vodau'ura: -56 dB lIEC 98A No Pondaradn'l
A78 :15 llEC 98A Ponderadol

PM at la dpsula dn
la abua:

balance de rescrnl:

ten sentldo laleza. y venical)

Inferno: 3 2°32 en el suco anchor
de un disco due 30 Cm
Inlenov 3 0°32 an e: surco mtemgr
de un disco de 30 cm

032,59.

6 a 10 g
13.5 a 17.5 g
Imcluyendo la capsule de la :abeza)

9.5 a l3 9.
l7 3 20.5 9
Ilncluyendo la capsule de la cabezafl

3,5a659
llamg

uncluyenoo Ia :apsula d? a cabezal

7.59

lCHANGES

I DISASSEMBLY INSTRUCTIONS

a How to remove the bottom cover and bottom
base.

. Remove the turntable mat and turntable.

. Turn over 1he body on a salt cloth making care not to
damage the dusl cover.

3. Remove the insulalors and ihe 2] setscvews (Fig. 1 :

0.9.0) of me bunom cover.
4. Remove the 6 selscrews (Fig. 2 : 0) of the bouam base.

M.-

/
Bottom cover

Fig. 1

Page 8

1200MK2/1 OMK2

I MEASUREMENTS AND ADJUSTMENTs-English-

I Conditions of set, and instruments used
1. Remove the panel cover.
2. Remove the bottom cover lwhen adjusting the pitch

control gain).

3. Frequency counter
4. Tester

after depressing the stop button.

. . Parts
Adjustment Connection . Procedure
adjusted
1. Connect the frequency counter and turn the
Iy ON.
power supp
1 Pitch control 1 0% :fquTSZfOUMH VR301 2. Set the pitch control knob to "0
adjustment ( ) E th 0 t (Fig. 3) (Indicator lights up.)
- _ a p In 3. Adjust VH301 so that the frequency is
262.08kHz:0.05 kHz.
1. Set the pitch control knob to '0.
2. Pull out the connector CN102 of drive P.C.B.
. . Tester 3. Connect the tester to tsrminais,®and®of
2 ::::::;0| gal" (+) - CN102 terminai G) 21:30:) connector CNIDZ on the pitch control P.C.B.
D (-i - CN102 terminal @ 9. side.
4. Adjust VR302 so that the resistance value of
the tester is 27 k9 J: 0.1 k9.
VR201 l 1. Adjust VR201 so that the rotation at
3 Brake adjustment . {Fig 3) 33 r.p.m. stops within the angle of 90° ~120n
I .
l

l MESSUNGEN UND JUSTIERUNGEN -Deutsch-

o Zustand des Gerfites und zu verwendende lnstrumente
1. Die Abdeckplatte entfernen.

2. Die Bodenadbeckung entfernen (wenn die Drehzahlregelungs-

Verstérkung justiert werden so).

3. Frequenzzahler

4. Priifgerét

. .. Zu justie-
J
ustteru ng Anschiusse render Teile Vorgehen
1. Frequenzzéhler anschiiellen und Netzschalter
l Fre uenzzahler l einschalten.
7 i :t 0%-Juslierung des 1 (HQ- TP27 VHJOI 2. Drehzahlreglerknopf auf D" steilen.
i Drehzahlreglers (Abb, 3) i (Anzei e leuchtet auf.)
(-) _, Massepunkt g
u i 3. VR301 sojustieren,da13 die Frequenz
[ 262,08 kHz 1: 0,05 kHz betragt.
J i. Den Drehzahlreglerknopt auf 0" einsteHen.
2. Steckverbindung CN102 von der
. . .. Antriebsplatine hrausziehen,
Justlerung der r Prufgerat .. . ..
,\ VR3O . f fi-
2 Drehzahiregelungs- (+) - CN102 AnschiuB L5,. 2 3 Fr" gem ?" Ansohlusse©undéder
Verstérkun (_) CN102 A 5 hi [3 11$ (Abb. 4) Steckverblndung CN102 auf der
9 n c u U} Drehzahlreglerseite der Platine anschliefien.
t 4. VR302 so iustierenl dell der Widerstandswert
\ I des Prijfgerétes 27 k9 1 0,1 k9 betrégt.
\
vnzm 1. VR201 so justieren,dzfl die Rotation bei
3 Bremsjustierung (Abb 3) 33 UPM innerhaib 90 ~ 1205 nach Driicken
' der Stop-Taste stoppt.
_ 8 _