Technics SLXP 290 Service Manual

Page 1

ORDER NO. AD950410608

Service Manual

@CDMPACT m
@[ISEE

DIGITAL AUDIO

TRAVERSE DECK: RAE0133Z MECHANISM SERIES).<

ISPECIFICATIONS
lAudio

No. ol channels:
Output voltage:
Frequency response:

SIN :
Wow

Digital tllter:
DA converter:
Headphone output level:

ISi

Correction system:

I Pickup

Type: One beam

Light source: Semiconductor laser
Wavelength: 780 nm

Lens: Glass pressed lens

more than 96 dBXX
and llutter:

1 bit, MASH¥

mMuItI- stage noise sthing

2 channels (left and right, stereo)
0.6V (50km $3.5 stereo mini jack
20~2o,ooo Hz (+0.5dB, -1.5dB)

Below measurable limit
8 times over sampling

max. 9 mW +9mW/160 (variable)

stereo mini jack $3.5

gnal Formal
Technics New

Super Decoding Algorithm

I Playing time;

Portable CD Player

SL- XP290

Colour
(K)... Black Type
Area
Suffix for
Model No. Area Colour
(E) Europe.
(EB) Great Britain.
(EG) Germany and ltaly.
Asia, Latin America, (K)
((30) Middle Near East
and Africa.
(GN) Oceania.

NTT (LS! Labs).

DTechnics (or Panasonic) developed the worlds first MASH
type DAC and ADC. MASH technology was invented by

- MASH is a trademark of NTT.

mode.

These specifications were measured in the anti-shock OFF

I General

Operational
temperature range:

Power requirement:

oc-4o°c (32°F-104 F)

A0; with an included panasonio AC
adaptor

RFEA401E-1S: (E, EG)

RFEA404B-W: (EB)

RFEA4022-W: (GC)

RFEA404A~W'. (GN)

Batteries; 3V (two AA size (RGPILRG)
batteries. not included)

(Panasonic R6P/LR6 or equivalent, not
included)

Rechargeable Batterries; DC 2.4V with
an optional Panasonic Rechargeable
Batteries (SH-CHBBDIRPvBPSO)

Car Battery; with an optional panasonic

Wh d hold - ._
I den $2513 Batteries Anti shock car adaptor (SH-CDCQ).
mo 9- a used OFFION DO IN- 4 5V @C $
temperature and on a Rechargeable ' ' _ '
ilat and stable surtace.) batteries About 3 hours] Power consumpt 0"-
(SH-GDBGDI About 2 hours Power source Anti-shock OFFION
RP-BPGO) 30 mm Ac adaptor 4.0wmaw
Panasonic Batteries DEW/LOW
alkaline dry cell 2:0: 3 flours!
batteries (LRG) 0 ours Dimensions (w x H x D): 128 x 30,3 x 145 mm
310g (with batteries)

Recharging time;

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

About 3 hours

Power consumption

when recharging:

Technicsi

Approx. 5.8W

Weight:

2709 (without batteries)

Note: Design and specifications are subject to change without

notice,

Weight and dimensions are approximate

© 1995 Matsushita Electric Industrial 00., Ltd.
All rights reserved. Unauthorized copying and
distribution is a violation of law.

Page 2

SL-XP290

A WARNING
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 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.

1 CONTENTS

LOCATION OF CONTROLS
ACCESSORIES ................
PRECAUTION OF LASER DIODE.
USING THE UNIT WITH OPTIONA
ANTI-SHOCK FUNCTION ........................................
ACCIDENTAL OPERATION PREVENTION FUNCTION..
SEQUENTIAL PLAY ........................
POWER SUPPLY PREPARATIONS ..
MAINTENANCE ............
CAUTIONS
CONCERNING COMPACT DISCS ..............................
HANDLING PRECAUTIONS FOR TRAVERSE DECK
OPERATION CHECKS AND MAIN COMPONENT
REPLACEMENT PROCEDURES ..................................... 9~11

.LOCATION OF CONTROLS

'U
r»
' In
0

wflflmmmahuwmm

- ACCESSORIES

AC adaptor. . [For (E, EG) areas]
[For (EB) area] (RFEA401 E-1 S)
(RFEA404B-W)

Power plug adaptor ..... 1 pc.
[For (GC) area]
(SJP9223-1)

efié

Stereo earphones

(RFEVS1OA-KS) ......... 1 pc.

CHECKING THE OPERATION PROBLEMS ON THE
TRAVERSE DECK (OPTICAL PICKUP).
MEASUREMENTS AND ADJUSTMENTS
AUTOMATIC ADJUSTMENT RESULTS D
FUNCTION (SELF-CHECK FUNCTION)
TERMINAL GUIDE .........................................
PRINTED CIRCUIT BOARD AND
WIRING CONNECTION DIAGRAM ..
SCHEMATIC DIAGRAM
BLOCK DIAGRAM .....
REPLACEMENT PARTS LIST.
RESISTORS AND CAPACITORS
CABINET PARTS LOCATION.
PACKAGING 38

Portable CD Player

® Skip/search buttons
(K4 -SKlPl-SEARCH DH)

® Memory/recall button
(MEMORY/RECALL)

© Repeat button (REPEAT)

@ Push button (PUSH)

© Headphones jack (0) 169 (113.5

© Display

(3 Open button (OPEN)

Hold switch (HOLD)

@ Stop/operation off button
(I/OPR OFF)

Play/pause button (b ll)

63 Headphones volume control
(VOLUME)

® High filter/XBS selector
(HIGH FILTER, XBS, OFF)

® Play mode selector (MODE)

® Anti-shock switch (ANTI-SHOCK)

@ Out jack (OUT)

06 in jack (DO IN 4.5 V e-e-e)

® Hole for car mounting base

[For (GN) area]
(RFEA404A-W)

[For (GC) area]
(FlFEA4OZZ-W)

Page 21

SL-XP290

ISCHEMATIC DIAGRAM
'(Parts list on pages 33~35, 37)

. ' Dc IN 4.5V our

520' (This schematic diagram may be modified at any
sum Lm time with development of new technology.)

(REP2124A-M)

Notes :

0 $201 : Laser ONIOFF switch in OFF" position.
(It turns 0N with disc holder closed.)

0 3202 : Rest detector In OFF" position.
(It turns 0N" when optical pickup comes to innermost
periphery.)

- $302 : Memory/recall (MEMORY/RECALL) switch.

- $303, $306: Skip/search (I44 -SKIP/-SEAFICH bbl) switches.
(8303: H1, 3306: >N)

I 5304 : Stop/operation off (I/OPR OFF) switch.

0 5305 : Repeat (REPEAT) switch.

, . __. v . 5301 : Play/pause (b II) switch.

mvsaszmoma " i» ' ' 7 , 2 , , HO K ~3308 : Play mode selector (MODE) In NORMAL" position.

r) (RESUME «v NORMAL 0 RANDOM)
one I
77 77777777 77777 7 7 77 7 7777 777777777777 77777 7 up
V 5202 337
REST DETECTOR SWITCH

P2317572? ' 'i
RIES w:

: """" I

SFINDLE Moron
I
I
I
I

a; ___________ J

-s309 : Hold (HOLD) switch In OFF" position.

05501 : Anti-shock(ANTI-SHOCK) switch in OFF" position.

(can) ~s7ll1 : High filter/XBS selector (HIGH FILTER, XBS, OFF) in
OFF" position.

7 7 7777 77 7 7777 7 77 7 79 The voltage value and waveformsare the reference voltage of7 7

this measured by DC electronic voltmeter (hlgh Impedance) and
oscilloscope on the basis of GND terminal (DO IN Jack).
"NM" \ Accordingly, there may arise some errors In the voltage values
nonmt and waveforms depending upon the Internal Impedance of the
RESUME tester or measuring unit.

* The parenthesized is the voltage for test disc (1 kHz, L+ R, 0:13)
In play mode, and the other, for no dlsc In stop mode.

* AG adaptor is used for power supply.
- . 7 7 : Positive voltage lines.
a : Audio signal lines.
. Important safety notice:
Components identified by A mark have special characteristics
Important for safety. Furthermore, special parts which have
*purposes of fire-retardant (resIstcrs), high-quality'sound'
(capacitors), low-noise (resistors), etc. are used. When
replacing any of components, be sure to use only

'(VREFI

21,911, manufacturers specified parts shown in the parts list.
XES/
° Caution!
. of IQ and LSI are sensitive to static ellectrlclty.
X Secondary trouble can be prevented by taking care during repair.

FI'frla I Cover the parts boxes made of plastics with aluminium foil.
0 Ground the soldering Iron.
0 Put a conductive mat on the work table.
- Do not touch the pins of to or LSI with fingers directly.

l.
"711:1 (refit a 3 VIo

~23-- _24_