Technics SLVP 50 Service Manual

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Technics SLVP 50 Service Manual

Extracted text from Technics SLVP 50 Service Manual (Ocr-read)


Page 1

ii

ORDER NO. AD950513302

ervice Manual

Lfiéfii dfigfi

DIGITAL AUDIO

Portable Video CD Player

SL- VP5O

Colour
(K)... Black Type

m

multi- stave noise shaping

_GITAL VIDEO

Area

Suffix for
Model No.

(EB) Great Britain.

Area Colour

(EG) Europe.

X MASH is a trademark of MT.

TRAVERSE DECK: RAE01332 MECHANISM SERIES
I SPECIFICATIONS

I Audio

No. of channels:
Output voltage:
Frequency response:
SIN:

Wow and flutter:
Digital tllter:

DA converter:

Headphone output level:

I Video
Output iormat:
Output voltage:

I Pickup
Type:

Light source:
Wavelength:
Lens:

I Playing time;
(When used in hold
mode, at 25°C
temperature and on
flat and stable
surface.)

2 channels (left and right, stereo)
0.65V (50m) ¢35 stereo mini jack
20~20,000HZ (+0.5dB, -1.5dB)
more than 94 dB

Below measurable limit

8 times over sampling

1 bit, MASH 4 DAC

max. 9mW+9mWItBQ (variable)
stereo mini jack $3.5

NTSC/PAL
1.0Vp-p (759)

One beam
Semiconductor laser
780 nm

Glass pressed lens

Rechatgeabie
batteries
(SH-CDBSD)

About 2 hOUl'S

Panasonic
alkaline dry
cell batteries
(LRG)

About 5 hours

The play time may be less depending

on the operating conditions.

Recharging time;

I General

Operational
temperature range:
Power requirement:

DC IN:
Power consumption:

Dimensions (Wx H x D):

Weight:

About 4 hours

D"C-40°C (32°F-104"F)

AC; with an included panasonic AC
adaptor

RFEA9038~W ...... (EB)

RFEA903E~W ...... (EG)

Batteries; 9V (two AA size (LFlG)
batteries, not included)

(Panasonic Fl6P/LR6 or equivalent, not
included)

Rechargeable Batterries; DC 7.2V with
an optional Panasonic Rechargeable
Batteries (SHCDBSD) (set of 2 x 3)
9.0V

Using AC adaptor; 7.3W

Using Batteries; 2.4W

135 X43><160mm

5809 (20.5 02) (with batteries)

4609 (16.2 01) (without batteries)

Note: Design and specifications are subject to change without

notice.

Weight and dimensions are approximate.
These specifications were measured using the AC adapter.

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 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.
or repair the product or products dealt with in this service Information by anyone else could result in serious injury or death.

Any attempt to service

Technicsf

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

Page 2

SLfVP5d

I CONTENTS

PRECAUTION OF LASER DIODE
LOCATION OF CONTROLS .....
REMOTE CONTROL PREPARA NS
ACCESSORIES
POWER SOURCE
CAUTION FOR AC MAINS LEAD
BEFORE OPERATING THE UNIT
PLAYING VIDEO CDs (with the playback control feature
FEATURES
PLAYING AUDIO (:05 AND VIDEO CDs

(not equipped with the playback control ieature) .
DESCRIPTION OF TERMS ............................................
VARIOUS PLAY USING THE REMOTE CONTROL UNIT...

Page

8~11
CAUTIONS 8, 9

USING THE UNIT WITH OPTIONAL ACCESSORIES.
AUDIO CHANNEL SELECTION .................................
IF THE TV SCREEN IS IN THE FOLLOWING CONDITION
MAINTENANCE
CONCERNING TH

10

IPRECAUTION OF LASER DIODE

CAUTION:
v the pickup lens.
Wave length: 780nm

Page

HANDLING PRECAUTIONS FOR TRAVERSE DECK ................ 13
OPERATION CHECKS AND MAIN COMPONENT

REPLACEMENT PROCEDURES ...... 14~18

MEASUREMENTS AND ADJUSTMENTS
AUTOMATIC ADJUSTMENT RESULTS DISPLAY

FUNCTION (SELF-CHECK FUNCTION).
TROUBLESHOOTING GUIDE ......................
CHECKING THE OPERATION PROBLEMS ON HE

TRAVERSE DECK (OPTICAL PICKUP)
BLOCK DIAGRAM .........................................
PRINTED CIRCUIT BOARD AND

WIRING CONNECTION DIAGRAM .............................. 35~36
TERMINAL GUIDE OF ICS, TRANSISTORS AND DIODES ..... 39
SCHEMATIC DIAGRAM .
TERMINAL GUIDE .......
REPLACEMENT PARTS LIST
RESISTORS AND CAPACITORS..
CABINET PARTS LOCATION
PACKAGING . 70

.18, 19


64, as, ea, 70

This product utilizes a laser diode with the unit turned on, invisible laser radiation is emitted from

Maximum output radiation power from pickup: 100uW/VDE

Laser radiation from the pickup lens is safety level, but be sure the followings:

1. Do not disassemble the optical pickup unit, since radiation from exposed laser diode is dangerous.

Do not adjust the variable resistor on the pickup unit.

It was already adjusted.

2.
3.
4

ACHTUNG:

Dieses Produkt enthalt eine Laserdiode.

Do not look at the tocus lens using optical instruments.
Recommend not to look at pickup lens for a long time.

lm eingeschalteten Zustand wird unsichtbare Laserstrahlung

von der Lasereinheit abgestrahlt.

Wellenlange: 780nm
Maximale Strahlungsleistung der Lasereinheit: 100 uWIVDE

Die Strahlung an der Lasereinheit ist ungefahrlich, wenn folgende Punkte beachtet werden:

PERI?

ADVARSEL:

Die Lasereinheit nicht zerlegen, da die Strahlung an der freigelegten Laserdibde gefahrlich ist.
Den werkseitig justierten Einstellregler der Lasereinheit nicht verstellen.

Nicht mit optischen lnstrumenten in die Fokussierlines blicken.

Nicht Ober [angere Zeit in die Fokussierlines blicken.

I dette a apparat anvendes laser.

RGLSOO77-2

CLASS I
LASER PRODUCT

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