Panasonic sl ps 840 service manual

Page 1

ORDER NO. AD9303067CS

Service Manual

Compact Disc Player

@CDMPACT m MA
@QQSJE S L- P8840

Colour
(K)... Black Type
Area
Suffix for
Model No. Area Colour
(E) Europe.

(EB) Great Britain.
(EG) Germany & Italy.

. . . (K)
Asra, Latin America,

(G0) Middle Near east
and Africa.

(GN) Oceania.

>:< -Technics (or Panasonic) developed the world's first MASH
type DAC and ADC. MASH technology was invented by
NTT (LSI Labs).

0 MASH is a trademark of N11.

SL-P2000 MECHANISM SERIES (RAE0201-1)

I Audio I General

No. of channels 2 (left and right, stereo) Power consumption 17 w
Frequency response 2-20.000 Hz, $0.3 dB Power supply

Output voltage 2.3 V (at 0 dB) For (E, EB, EG. GN) areas; AC 50/60 Hz, 230-240 V
Dynamic range 99 dB For (GO) area.: AC 50/60 Hz, 110 V1127 VI220 V/240 V
SIN 118 dB Dimensions (Wx H X D) 430 x 125 X335 mm
Harmonic distortion 0.0015% (1 kHz, 0 dB) Weight 6.3 kg
Total harmonic distortion 0.0018% (1 kHz. 0 dB)

Channel separation 110 dB Nate:

WOW and flutter Below measurable 3" Design and specifications are subject to change without notice.
DA converter Advanced MASH (1 bit) Weight and dimensions are approximate.

Output impedance Approx. 1 kn

Load impedance More than 10 kn

Headphone output level 15 mW max. 320 (adjustable)

I Pickup

Wavelength 780 nm

Laser Power No hazardous radiation is emitted

(with safety protection)

Technics

Page 2

SL-P8840

I CONTENTS

ACCESSORIES .....................................
BEFORE TRANSPORTING THE UNIT
PRECAUTION OF LASER DIODE .......
FRONT PANEL CONTROLS AND FUNCTIONS
CAUTION FOR AC MAINS LEAD
CONNECTIONS
CONCERNING T
HANDLING PRECAUTIONS FOR OPTICAL PICKUP
DISASSEMBLY INSTRUCTIONS .................................
DISPLAY FUNCTION OF AUTOMATICALLY-ADJUSTED

RESULTS (SELF-CHECK FUNCTION)
DIGITAL SERVO SYSTEM ......................

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I ACCESSORIES

Note:

The configuration of the AC power supply cord differs according to
area

AC power supply cord .......... 1 pc.
[ RJA0019»2K (E, E6, GO) ]
VJA0733 (EB), SJA173 (GN)

(RAK-SL512W)

Stereo connection cable
[SJP224Q<3] ................... 1 pc.

Remote control transmitter ...... 1 pc.

TROUBLESHOOTING GUIDE ...................
MEASUREMENTS AND ADJUSTMENTS
TERMINAL FUNCTION OF ICS....
INTERNAL CONNECTION OF FL
BLOCK DIAGRAM ......
SCHEMATIC DIAGRAM
PRINTED CIRCUIT BOA
WIRING CONNECTION DIAGRAM
REPLACEMENT PARTS LIST.
EXPLODED VIEWS
RESISTORS AND C
PACKAGING ................................

45~47

Q?

Power plug adaptor ............ 1 pc.
ESJP5213-2 (60))

Batteries "AAA (ROS/UM-4)
for remote control transmitter . . 2 pcs.

Note: These are available on sale route.

I BEFORE TRANSPORTING THE UNIT

To safeguard against damage in transit, be sure to secure the
optical pickup by following the procedure below.

1 Remove the com act disc inside, and set the
p
power switch to STANDBY (I) with the disc
tray still open.

2 Slowly push in the disc tray by hand.
Do not tilt the unit while doing this.
If the disc tray is not pushed in slowly, the optical pick-up may
not be secured properly.

3 Check that the lock mark can be seen in its
entirety as shown in the figure on the right.

The optical pickup will be automatically released when using the
unit again.

I Look mark