Technics SLPG 520 A Service Manual

Page 1

ORDER NO. M89203021 C2

ervice Manual

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DIGITAL AUDIO

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muili-siage noise srauing

SPECIFICATIONS
I Audio
No. of channels 2 (left and right, stereo)
Frequency response 2-20.000 Hz. :0.5 dB
Output voltage 2 V (at 0 dB)
Dynamic range 98 dB
S/N ratio 103 dB
Harmonic distortion 0.002% (1 kHz. 0 dB)
Total harmonic distortion 1100893 (1 kHz. 0 dB)
Wow and flutter Below measurable limit
DA converter MASH (4 DAC)
Output impedance Approx. GOOD
Load impedance More than 10 k!)
Headphcne output level 15 mw max. 320 (adjustable)
I Pickup
Wavelength 780 nm
I CO NT E NTS

PLACEMENT ............
CLEANING OF LEN
ACCESSORIES ........
PRECAUTION OF LASER DIODE
LOCATION OF CONTROLS.
CONNECTIONS ..................
DISASSEMBLY INSTRUCTIONS.
CHECKING OF THE SERVO P.
MEASUREMENTS AND ADJUST
TERMINAL FUNCTION OF ICS .
BLOCK DIAGRAM .....................
INTERNAL CONNECTION OF FL ..

Technics

Compact Disc Player

SL-PG520A

Colour

(K) Black Type
(8) ...Silver Type

Area

3:33:10; Area Colour
(E) Continental Europe.
(EB) Great Britain. (K) (S)
(EG) F.R. Germany & ltaly.

I General

Power supply AC 50/60 Hz. 230 V-240 V
Power consumption 10 W
Dimensions (WXHXD) 480x103><293 mm
Weight 3.8 kg
Note:

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

- Technics (or Panasonic) develapad the worlds first MASH
type DAC and ADC. MASH technology was invented by
NTI' (LSI Labs).

. >'< MASH is a trademark of N'l'l'.

SCHEMATIC DIAGRAM .................................................. 19~24
TERMINAL GUIDE OF ICS,
TRANSISTORS AND DIODES
PRINTED CIRCUIT BOARDS..
WIRING CONNECTION DIAGR
REPLACEMENT PARTS LIST.
EXPLODED VIEWS
RESISTORS & CAPACITOR .
PACKING
TROUBLESHOOTING GUIDE ......................................... 38~40

>l< TECHNICAL INFORMATION

=l< This technical information is located on pp 49~56 oi the SL~PJ46A
Service Manual (Order No. AD890203602).
Therefore, refer to that Service Manual.

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SL-PGSEti

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, I Avoid places such as the following:
INear any equipment or device that generates strong magnetism.
LOCKED Turn® RELEASED OOn any heat-generating equipment or device, or in any place
A o where the temperature iso high (35°C or higher).
.- I IExtremely cold places (5 C or below).
E> 9 E:> * ONear a tuner or TV (It may cause noise in the broadcast, or
v Pull I o disturbance of the TV picture.) . _
® out I When carrying or storlng the unlt, handle it with care so

that it is not subiected 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.
000 not place a book or similar object under this unit.
IDo not route the connection cables (of this or other units) across
the operation panel, across the top, or under the unit.

insert them here after removing.
Turn clockwise by 90° to secure
them,

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 000 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 - Wipe the lens carefully. Do not give too much stress
Blow the lens with the blower provided in the cleaning to the lens 0" otherwise it may scratch the lens or
kit to remove dust or dirt. cause optical DiGKUP trouble.

- 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. ' Remote control transmitter 0 Batteries ................... 2 pcs.
RJA0018»K (E, E60] (SJP2249-3) (Black: EUR64798) Use two UM-4,
[SJA193 (EB) (Silver: EUR64799) ....... 1 pc. AAA (R03) size

(1 .5V) batteries.

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

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