Technics SLS 210 Service Manual

Page 1

ORDER NO. AD990202402

Service Manual

Traverse Deck: Fl

Specifications

Audio

No. of channels:
Frequency response:
Output voltage:

SIN:
Wow and flutter:

DA converter:
Headphone output level:

Pickup
Light source:
Wavelength:

General

@figtfi

DIGITAL AUDIO

Portable CD Player

SL-821O

Colour

(H) ........ Gray Type
(EG) area only

(8) ........ Silver Type

MASH*

multl-stage noise shaping

>l< MASH is a trademark of NTT.

Areas
(EB) ...... Great Britain.
(EG) ...... Europe.

Willi»

- lull

Customer-l TECH"! COME

25 degree (77 fahrenhell) temperature

Load: SPOWEl ,)
: aeozazwz liltw 1 Anti-shock memory OFF/ON
"a I I 35/37/36 II batteries(LH6, 2pcs.);
assemble at: 59 Approx. 22h/19h
_ upnonal Rechargeable batteries (P-QGAVAIZB);
1.E{{.qusc::mme llmll Approx 10 h /8.5 h

Max.9 mW+9 mW/16 n (adjustable)

stereo mlni Jack diameter 3.5

Semiconductor laser
780 nm

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

Recharging tlme: Approx. 5 h
Dimensions (W x H x D): 128 x 25.8 x 144 mm
Weight: 257 g with batteries

212 9 without batteries

Notes: Specifications are subject to change without notice.
Weight and dimensions are approximate.

Operational temperature range: 0-40 degree (32-104fahrenheit)
Rechargeable temperature range: 5-40 degree (41-104 lahrenheit)

Power supply:

Power consumption:
AC adapter;
Battery (DC 3V);
When recharging;

DC 4.5 V

Anti-shock memory OFF/ON
3.5 W /3.6 W

0.4 W /0.4 W

46 W

This servlce inlormaticn is designed for experienced repair technicians only and is not designed for use by the general public. It does not
contain warnings or cautlons 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 injury or death.

/I\ WARNING

Panasonic®

© 1999 Matsushita Electric Industrial 00.. Ltd.
All rights reserved. Unauthorized copying
and distribution is a violation of law.

Page 2

SL-8210

l Contents

Accessories ............................................
Handling Precautions for Traverse Deck
Precaution oi Laser Diode ..................
Location of Controls .
HOLD Function

Power Supply Preparations. 4.5
Sequential Play..... 5.6
Other Play Methods .. 6,7

Anti-Shock Function .
Using the Unit Optional Accessories ,
Cautions ..........................................
Operation Checks

and Component Replacement Procedures

I Accessories

AC adaptor for (EB) area
(RFEA403B-S) ...................................... 1

AC adaptor for (EG) area
(RFEA401E~SS) ......

Page

Checking the Operation Problems
on the Traverse Deck (Optical Pickup) ............................................ 12
Automatic Adjustment Results Display Function
(Self-check Function) .......................................
Type Illustration of lCs, Transistors and Diodes
Schematic Diagram ........................................
Printed Circuit Board and Wiring Connection Diagram
Measurement and Adjustments ..
Block Diagram ..........................
Terminal Function of lC's .
Replacement Parts List
Cabinet Parts Location .
Packaging .................

Stereo earphones
.. 1 (RFEV324P-KS)..

l Handling Precautions for Traverse Deck

The laser diode in the traverse deck (optical pickup) may break down due to potential difference caused by static electricity of clothes

or human body.

So, be careful of electrostatic breakdown during repair of the traverse deck (optical pickup).

0 Handling of traverse deck (optical pickup)

1. Do not subject the traverse deck (optical pickup) to static
electricity as it is extremely sensitive to electrical shock.

2. To protect the laser diode against electrostatic breakdown.
short the flexible board (FFC board) with a clip or similar
object.

3. Take care not to apply excessive stress to the flexible board
(FFC board).

4. Do not turn the variable resistor (laser power adjustment). It
has already been adjusted.

O Grounding for electrostatic breakdown prevention
1. Human body grounding
Use the anti-static wrist strap to discharge the static electricity
from your body.
2. Work table grounding
Put a conductive material (sheet) or steel sheet on the area
where the traverse deck (optical pickup) is placed, and ground
the sheet.

Caution:

The static electricity of your clothes will not be grounded through
the wrist strap. So, take care not to let your clothes touch the
traverse deck (optical pickup).

FFC board

(Handle It carefully) Lens (Do not touch)

shorting pin
r ----- -.

No. OE) (GND) pin No. 03 (LB) pin Variable resistor

(Do not turn)

Wrist strap
(Anti-staticbracalet) /

1 Mt).

Page 10

SL-SZ10

(Checking for the P.C.B. (B side))

Notice for installation of switch knobs

Remove the traverse

deck and PCB Switch knobs

Switch knob
Boss ol
$- switch
Remove the 2
switch knobs.
Traverse deck and P.C,B, @
, Align the floating 2. Replacement for the traverse deck

rubber with the boss. - Follow the w. ~ in item 1 on page 9.
, Floating rubbers

Traverse deck
[RAE0145Z]

FFC
(From the motors)
CD cover ass'y
Put the test disc.
Connector
Connector (CN102)
(0mm)
- Check the P.C.B. (B side) as shown below. Pull out the FFC from
Pull out the FFC from connector (cmog).
connector (CN101).

FFC

insert a short pin into the 0
NOTE traverse deck's FFC. °
(Refer to "Handlln Precautions
After checking, for Traverse Deck on page 2.} Q
unsolder the .
short land to Short Pl
open circuit.

-10-