Technics SLPS 620 A Service Manual

Page 1

ORDER NO. MB920402202

= Service Manua

Compact Disc Player

[1% SL=PSSZQA

DIGITAL AUDIO

a;

Colour
(K) ...Black Type

muIX-sla;e ncise sraainfl

Area
3:33 3: Area Colour
(E) Continental Europe.
(EB) Great Britain (K)
(EG) FR Germany & Italy.
-

SPECIFICATIONS
I Audio 5 General
_ No. of channels 2 (lei! and right stereo) POW SHPDIV AC 53/50 HZ- 239 V" 240 V
Frequency response 240,000 Hz. 130.3 dB Power consumpiion 10 W
7 Output voltage 2 V (al 0 (18) Dimensions (WXHXD) 430x116x289 mm
Dynamic range 99 dB WGIQI'" 4 5 kg
S/N ram: 113 dB
Harmonic distortion 0 001W. (1 kHz. 0 dB) Note:
Total harmonic distorfion 00028%(1 kHZ. 0 dB) Specnficaiions are sumect to change WlIhOuI notice.
wow and flutier Below measurahie Ilmii Weight and dlmensmns are approximate.
DA converter MASH (4 DAG)
Ouipm Impedance Approx 6000
:2::::::::::ut level 5 mw max. zgge2figslsbfg G Technics (or Panasonic) developed the world'e first MASH
_ type DAC and ADC. MASH technology was Invented by
I Pickup NTT (LSI Labs)
' Waveiength 750 nm e X MASH is a trademark 0! NW.
I CO NT ENTS

PLACEMENT ......... SCHEMATIC DIAGRAM
CLEANING OF LENS . 2 PRINTED CIRCUIT BOARDS
ACCESSORIES.. TERMINAL GUIDE OF ICS.

PRECAUTION OF
LOCATION OF CONTROLS
CONNECTIONS ...........
DISASSEMBLY INSTRUC ION
CHECKING OF THE SERVO P.C.B
MEASUREMENTS AND ADJUSTMENTS
TERMINAL FUNCTION OF ICS.
BLOCK DIAGRAM .....................
INTERNAL CONNECTION OF FL

. 2
. 3 TRANSISTORS AND DIODES
4 WIRING CONNECTION DIAGRAM
REPLACEMENT PARTS LIST
CABINET PARTS LOCATION .
9 RESISTORS Er CAPACITORS
PACKAGING ..
TROUBLESHO

* TECHNICAL INFORMATION

' * TIIIS Iechnlcal inlormaiiun is located on on 49~55 of the SL-PJAGA
Service Manuai (Order No. ADBQOZOSGCZ).

Therefore, refer to that Service Manual.

Technicg

Page 2

SL-PSGZOA

I PLACEM ENT
Before placement Notes of placement
Two transport security devices are secured to prevent the optical I This unit is a precision instrument. Be sure to place it on a
pickup from damage during transport. flat surface.
Be sure to release them before use (TRANSPORT SECURITY l Avoid places such as the following:
DEVICE). ONear any equipment or device that generates strong magnetism.
IOn any heat-generating equipment or device, or in any place
LOCKED Turn ® RELEASED where the temperature is high (35°C or higher),
0Extremely cold places (5°C or below).
0' ONear a tuner or TV (It may cause noise in the broadcast, or
- disturbance of the TV picture.)
I When carrying or storing the unit, handle it with care so
0 that it is not subjected to any strong bumps.
Always remove the compact disc before storing the unit for any
period of time.
I To avoid problems due to vibration.
lnsert them here after removing. 0Do not place a book or similar object under this unit.
Turn clockwise by 90° to secure ODo not route the connection cables (of this or other units) across
them, the operation panel, across the top, or under the unit.

Soft cloth or similar material (to
prevent scratches)

Note:

When transporting the unit, be sure to remove the compact disc
from inside the unit. And replace the transport security devices
again following the reverse order not to damage the optical pickup.

I CLEANING OF LENS

If the lens is stained causing sound skip or operation Cautions:
failure, open the top cover by pressing the open 'Do not directly apply the cleaner solution to the

button, and clean the lens. lens. Do not apply too much solution to the cotton

rod or otherwise the solution will flow into the player.
0 To remove dust or dirt 0 Wipe the lens carefully. Do not give too much stress
Blow the lens with the blower provided in the cleaning 0 the lens 0 otherwise i1 may scratch the lens 0
kit to remove dust or dirt. cause optical PiCkUP trouble.

0 If the solution should be too much applied, wipe the
lens with a dry cotton rod.

Lens cleaning kit (Part No. : SZZP10380)

Dust or dirt Fingerprint

- To remove fingerprint

if the blower is not enough, moisten the cotton rod
with the lens cleaner solution and wipe the lens with
it from center of the lens to outside.

Cotton rod

Cleaner

Blower
-AC power supply cord... 1 pc. ' Stereo connection cable. 1 pc. 0 Remote control transmitter 0 Batteries ................... 2 pcs.
RJA0018-1K (E. EG)] (SJP2249-3) (EUFi64798) ................. 1 pc, Use two UM-4,
SJA193 (EB) "AAA' (H03) size

(1.5 V) batteries.

Note: Configuration of AC power supply cord differs according to area.

_2#