Technics SLS 230 Service Manual

Page 1

ORDER NO AD9803064A8

Service Manual

Portable CD Player

SL-SZ3O

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Please file and use this manual together with the service Colour
DIGITAL AUDIO manual for Model No. SL-SZ30, Order No. AD980304601. J (S) . .. Sliver Type
(A) . .. Blue Type
*1 Notes: oThis simplified service manual is provided to indicate the
M A S H differences between the original No. SL-SZSO (P)(PC) and Areas

multi-stage noise shaping

Traverse lDeck: RAE01452 Mechanism Series

Specifications

Audio
No. of channels:
Frequency response:

2 channels (left and right, stereo)
20 to 20,000 Hz (+05 dB to -1.5dB)

Output voltage: 0.6 V (50 kn)

SIN: more than 94 dB"2
Wow and flutter: Below measurable limit
DA converter: 1 bit, MASHl

Headphones output level: max. 9 mW+9 mW/16 9 (adjustable)

Pick up

Light source: Semiconductor laser
Wavelength: 780 nm

General

Operational temperature range: 0"C - 40°C (32°F - 104°F)
Rechargeable temperature range: 5°C - 40°C (41°F - 104°F)
Power supply: DC 4.5 V

Power consumption:

Power source Anti-shock OFF/ON
AC adaptor 3.0 W/ 3.2 W
Battery (DC 3 V) 0.4 W/ 0.4 w
When recharging: 3.6 W

the subsequent model No. SL-S230 (EB)(EG)(GC)(GN).

(EB) ...... Great Britain.
(EG) ..... . Germany.
(GC) . Asia, Latain
America,
Middle East
and Africa.
(GN) ..... Australia, New
Zealand.

Play time:
When used in hold mode. at 25°C (77°F) temperature and on flat and
stable surface.

Batteries used Antivshock OFF/ON Area

2 alkaline batteries About 20 h/ 20 h All areas
Rechargeable batteries

(P-3GAVE/ZB)*3 About 10 h/ 10 h (EB)(EG)
Rechargeable battery

(Fee/WWW: About to h/ 10 h (GC)(GN)
Rechargeable battery

(SH-CDBBD) About 6 h/ 6 h All areas

- The play time may be less depending on the operating conditions.
Recharging time:

P-3GAVEIZB; About 5 h [for (EB)(EG) areas]
P-SGAVT/ZB; About 5 h [for (GC)(GN) areas]
SH-CDBSD; About 3 h [for all areas]
Dimensions (WXHXD): 128 x 27.8 X 144 mm
Weight: 265 g with batteries

220 9 without batteries
Notes: Specifications are subject to change without notice.
Weiht and dimensions are approximate.
..
*2 This specification was measured in Anti-shock OFF mode.
*3 These batteries are not included.

I Replacement Parts List (Cabinet Parts)

Note: - [A]...Blue

Ref. No. Change 0 Parts No. Part Name 8. Description Remarks
(P) 'i" (EB/EGIGCIGN)
CABINET PARTS
RFKJLSZ30EBA (EB)
1 HFKJLsasoP-s RFKJL523°EGA BOTTOM CABINET ASS'Y EG)
RFKJL523OGCS (GC)
RFKJL523OGNS (GN)
7 - RYF0460-A CD COVER ASSY [A]
AWARNING
This service information is designed for experienced repair technicians only and is not designed for use by the general public. It does not
contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or
repair the product or products dealt with in this service information by anyone else could result in serious iniury or death,

Panasonic®

© 1998 Matsushita Electric Industrial 00., Ltd.
All rights reserved. Unauthorized copying
and distribution is a violation of law,

Page 2

SL-6230 |

l Replacement Parts List (Accessories and Packing Materials)

Notes: ' important safety notice:
Componenls Identified by A mark have special characteristics lmponant lor selely.
Furthermore, special pens which have purposes at lire- retardant (resislols). nign- quality sound (capacitors). low- -noise (resistors), elc. are used.
When replacing any or eemponenls be sure to use only manulacture s specified parts shown In the parts IIsI.
' All pens are supplied by MESA,
The " " marks in Remarks indicate language of inslruction manual,
: English I
: English. Spanish, Chinese
40>: English. Spanish Swedish
: German Italian, French
- .Dutch Danish Russlan
* [ALI Blue [SII ISilver
Ref. No. Part No. Part Name & Description I Pcs. I Remarks
ACCESSORIES
A A1 RFEA403A-S AC ADAPTOR 1 (GN)
A A1 RFEA4OSZ-S AC ADAPTOR 1 (GO)
A A1 RFEA403B-S AC ADAPTOR 1 (EB)
A A1 , RFEA414E-M AC ADAPTOR 1 (EG)
A2 RFEV317P~KS STEREO HEADPHONES 1
A3 RQCBO169 SERVICE CENTER LIST 1 .
A4 RQT4324-B OPERATING INSTRUCTIONS 1 (GN)
A5 RQT4331-K OPERATING INSTRUCTIONS 1 (G0)
A5 > RQT4325»E OPERATING INSTRUCTIONS 1 (EG)
A7 RQT4327-D OPERATING INSTRUCTIONS 1 (EG)
AB RQT4328-H OPERATING INSTRUCTIONS 1 (EG)
A A9 SJ P521 3-1 PLUG 1 (GC)
PACKING MATERIALS
P1 RPK0996 PACKING CASE 1 [S]
P1 RPK1045 PACKING CASE 1 [A]
P2 RPQO753 SPACER 1 (EB)(EG)(GN)
P3 RPQ0836 PAD 1
P4 RPF0046 PROTECTION BAG (F.B.) 1
P5 RPF0111 PROTECTION BAG (UNIT) 1
P6 RPQOGSS PAD 1 (GC)

l Packaging

I.

A9

A3, A4 A6 MEPZA NAME; A2
~ I

§S

I 9
"s1!

For (EB) (EG) (GIN) areas F 56) area

Printed in Japan
F 980409000YM/KH

Page 6

VS

230

l Sequential Play

Label must face upward.

infinite

Close the lid.

l

Elapsed playing time at each track

Track number in play

l on.
uur

NORMAL
RESUMEI i lRANDOM

Following steps i-G.

in step 4. connect the stereo headphones/earphones to the 3 jack. (Plug in firmly.)

0Play stops automatically when all the tracks have been played.
'lt ihe unit has been connected to the car audio system. adlusl the volume level between 4 and 6 on the unii. then

adjust the volume level on the system.

Press again to resume play

Press during play.
mm arr

To stop pla
Stop mode

Total number of tracks

{5 i'-i"t8

Total playing time

For your reference:

"no d [5.5" indication

This indication appears for about 30 seconds if the
D II button is pressed when no dist: is loaded in the
unit or it the disc is not completely seated.

Operation Button : Display/reference G'P Ell " indication
This indication appears for about 10 minutes when the
PVESS during D'BY- I cover is opened. (However. the indication does not ap-
i 1 ,1. , peer when the unit is powered off)
To pause play 5 t u r
t

Never insert foreign objects into the unit body.

Removing discs

Alter the disc has stopped rotating. press the PUSH
button to release the disc. (T 0 protect the disc. never
open the cover while it is playing.)

t
I
l
r
i
J 1
Press during slop mode. 5
r
7° M" mm W :1
unit off mode :
t
\J
Press during play. 2
Skip forward! 1 .
IDunng program play these buttons are used to
backward i -
(ski functi , skip toward or back through the programmed
p . on) (Backward) (Forward) : sequence at tracks .
-sttIv-szrnot : IDurtng random play.'ihe skip buttons cannot
i be used to skip back to tracks that were played
« >7- prevtously in the random sequence. Auto power Off function
as id ,va -' E : ~Dunng program play. random play or 1 track re- lithe unit is leitin stop or paused status for approxi-
: : peal play. search operation is limited to the current melely 10 minutes, the unit powers itself off auto-
ackward I track only. matioally in order to prevent the battery from
(search function) 1 running down.
i . t . .
t . (lino disc Is loaded in the unit, It powers ttsell off in
Keep depressed during play. i 30 seconds.)

Page 13

SL-szao 7

I Checking the Operation Problems on the Traverse Deck (Optical Pickup)

Make sure to follow the procedures below to check the operation problems of the traverse deck (optical pickup) before replacing it.
Replace the traverse deck only after the problem is identified,

(Procedure No.) (Checking Points) (Cause)
Starting the reading operation
(TOO).
ls tocus search Check it conductance on
executed? NO Broken 0" both ends of coil with the
1' (Check if lens moves - Sh9ned focus tester at about 15 ohms.
up and down.) 6° (The lens will slightly move
up and down during the
YES checking.)
LD I RF signal at the RF test
deterioration point is over 0.4 Vp-p.
. . ' 0 Check if the position of
Does the laser turn on? 0 0; the posltlon the turntable is not very
2- (it It does, the turntable N I 0 the . low and does not make
W' rotate.) turntable ls contact with the motor,
very low and
make contact
YES with the motor.
Check it conductance on
3. Tracking ON_ NO 3:21;: or both ends of coil with the
- - tracking coil tester at about 15 ohms.
YES (The lens will slightly move
to the right or left during the
checking.)

Faulty PD . .
4- RF signal output. N0 Check If output ls
(PHOTO minimum 0.4 Vp-p at the

DETECTOR) .
YES test pomt.
Traverse deck (optical Traverse deck (optical
pickup) is normal. pickup) is faulty.

>'< Replace traverse deck,

0 Check electrical circuit.

0 Check for flaws on disc or it it is wrapped or not centered.

0 Check the operations described below on the traverse deck after replacing it.
>l< Checking Skip Search

1. Play an ordinary musical program disc. * Checking Playability

2. Press the skip button to check for normal skip search 1~ Play the 07 mm black dot and the 07 mm wedge on
operation (in both the toward and reverse directions). the playability test disc (SZZP1054C) and verify that

>l< Checking Manual Search no sound skip or noise occurs.

1. Play an ordinary musical program disc. 2. Play the middle tracks of the uneven test disc

2. Press the manual search button to check for smooth (SZZP1056C) and Verify that no sound Skip 0r noise
manual search operations at either low or high speed (in occurs,

both the toward and reverse directions).

_]1_