Technics SLPH 2 Service manual

Page 1

ORDER NO AD9303OBOCZ

.Service Manual

@058

MAS H

mulll-Itnge noise shaping

Portable CD Tuner System

_IGlT/IL

RX-DT501 TRAVERSE DECK SERIES (RAEO_111Z)

I SPECIFICATIONS
I Radio
Frequency range: FM; 87.5-108 MHz (50 kHz steps)

Sensitivity:

I Disc player
Sampling frequency:
DA converter:

Beam source:
Wavelength:

No. of channels:

Frequency response:

SIN ratio:
Wow and flutter:

AM; 522-1 611 kHz (9 kHz steps)
FM; 5 [JV/0,5 mW output
(-3 dB Limit Sens)
AM; 80 uV/m/O,125 mW output
(Max. Sens.)

44.1 kHz

1 bit, MASH

Semiconductor laser

760 nm

2 (left and right, stereo)
20-20000 Hz (+05 dB, -1.5 dB)
94 dB

Below measurable limit

Panasonic

CD Player with Tuner
Colour
I
(K) ........ Black Type
Areas
Suffix for
Model No. Area Colour
(EB) Great Britain
(K)
(EG) Europe
I General V
Power requirement: AC adaptor; AC 230-240 V, 50 Hz
(Included)
EB: RFEAQOgB-X
EG: RFEASOZE-X
%-©
Batteries; DC 9 V (Six R14/LR14, UM-2
size batteries, not included)
Power consumption: AC adaptor; 13 W
Power output: max. 2 W+2 W
Speakers: 8 cm x 2, 40
Output jacks: LINE OUT; 50 k5), CD; 1 V/Tun.; 02V
(Stereo mini jack £2535)
PHONES; 320. 20 mW
(Stereo mini iack (335)
Dimensions
(waxD): 340.3x73x155 mm
Weight: 1230 9 without batteries
Notes:

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

*

OTechnics (or Panasonic) developed the worlds first
MASH type DAC and ADC: MASH technology was
invented by MT (LSI Labs).

OMASH is a trademark of NW.

Page 2

VSL-PH2 J
I CONTENTS

PRECAUTION OF LASER DIODE
LOCATION OF CONTROLS I .
CONNECTIONS
SETTING THE TIME
AC ADAPTOR .....
ACCESSORY .................. . .
HANDLING PRECAUTIONS FOR TRAVERSE DECK I
DISASSEMBLY INSTRUCTIONS ..........
HOW TO CHECK THE MAIN P.C.B. . . ..
MEASUREMENTS ANDADJUSTMENTS . .
DISPLAY FUNCTION OF
AUTOMATICALLY-ADJUSTED RESULTS .............. 15, 16

I PRECAUTION OF LASER DIODE

CAUTION:
Wave length: 780 nm

Maximum output radiation power from pick up: 100 uWNDE

BEFORE REPLACING TRAVERSE DECK
SCHEMATIC DIAGRAM ........
WIRING CONNECTION DIAGRAM

PRINTED CIRCUIT BOARDS
BLOCK DIAGRAM

PACKAGING ...............
REPLACEMENT PARTS LIST
CABINET PARTS LOCATION

Laser radiation from the pick up lens is safety level. but be sure the followings:

. Do not disassemble the optical pick up unit, since radiation from exposed laser diode is dangerous,
. Do not adjust the variable resistor on the pickup unit. It was already adjusted.

1
2
3. Do not look at the focus lens using optical instruments.
4

. Recommend not to lock at pick up lens for a long time.
ACHTUNG:

Wellenliinge: 780 nm

Maximale strahlungsleistung der lasereinheit: 100 uWNDE

Die sirahlung an der lasereinheii ist ungeféihrlich, wenn folgende punkte beachtet werden:

#QN-l

. Nioht iiber lingers zeit in die fokussierlinse blicken.

CLASS I
LASER PRODUCT

LUOKAN 1 LASERLAITE
KLASS 1 LASER APPARAT

. Die lasereinheit nichi zerlegen, da die sirahlung an der freigelegten laserdiode geifihrlich ist.
. Den werksseitig justierten einstellregler der lasereinreit nicht verstellen.
. Nicht mit opiischen insirumenten in die fokussierlinse blicken.

ADVARSEL: USYIQLIG LASEHSTHAUNG
VEB ABNING. MAR SIKKERHELISAF-

BRYDEfiE ER llDE AF FUNKTIOIII.
UNDGA UIJSIETT ELSE FDR STRALING.

FUNCTIONS OF IC TERMINALS

This product utilizes a laser diode with the unit turned on", invisible laser radiation is emitted from the pick up lens.

Dieses produkt enthélt eine laserdiocle. lm eingeschalteten zustand wird unsichtbare lasersirahlung von der lasereinheit abgestrahit.

VURSICHT-Unsichtbare
Laserstrahlung, warm

Abdenkung geiiftnet nnd
Sicherheiisveriiegelung
iiberhriickt. llliniii dam
Siralil aussetzen.

DANGER-Invisible laser
radiation when upon
and interlnck defeated,
AVOID DIRECT EX
POSUHE T0 BEAM.

VAFIO!. Antigua: II

olet amllna nikynmin
Lasersileilylle.
Ali liaise sitecseerL

VARNINGI Osynllg
laserslrélniixg niir dinna

dnl Er ippnnd unh
spinen Ir Hilfirplad.
Boirakla :1 st en.

ADVERSEL! Usynlig
laserslréling nil dellsel
aims ag sikkemnduh
brytest Unng!

eksponering for sullen.

Page 3

I LOCATION OF CONTROLS

(D Time adjust buttons
(TIME ADJUST)

(2) Pop up button (POP UP)
Press to raise the display. Please be
careful not to put an alien substance
under the display. Press the display
gently to avoid possible damage to disc
and/or the disc play mechanism.

© LCD-display

6) Time set button (TIME SET)

© Timer button (TIMER)

6) Sleep button (SLEEP)

® Telescopic antenna

Speakers (8 cm, 40)

Repeat button (REPEAT)

Memory/recall, memory button
(MEMORY/RECALL, MEMORY)

® Skip/search, tuning buttons
( K4 -SKIPI-SEARCH >>l ,
TUNING)

® Open button (OPEN)

I CONNECTIONS

® Hold switch (HOLD)
Use to prevent unintended operation.
You cannot activate functional buttons
(except for POP UP and OPEN but-
tons) when the unit is in the hold state.
The display shows
Before operating the front panel but-
tons, be sure to release the unit from
the hold state.

® Play mode selector
(PLAY MODE)

(5) XBS selector (XBS)
Set this selector as desired for extra
bass sound. To cancel this effect set
this selector to OFF.
Note:
This function may cause distortion of
sound. In this case, set the selector to
MID or turn down the volume.

69 Volume control (VOLUME)

@ Doze button (DOZE)

Listening through an audio system

Stereo connection
cable (not included)

(White) L
0 To CD or AUX

o .
R terminals

(Red)

Out jack

Back panel of audio
system

(Bottom)

(Left side)

(69 Play/pause button

(PLAY/PAUSE)
Operation off, stop button
(opn OFF, STOP)
@ Tuner/band button
(T UNER/BAND)
® Memory select button
(M.SELECT)
® FM mode selector (FM MODE)
(:3 DC in iack (DC IN 9 V 6-6-9)
@ Out iack (OUT) ,
(Stereo mini jack, (253.5, 50 k0)
CD: 1V i
TUNER: 0.2 V
® Headphones jack( 9
(Stereo mini jack, $35, 320)
® Stand
Don't use the stand when carrying the
unit.

Before connecting the unit to your audio
system, make sure to turn the power off on
all other system components.

See operating Instructions for your system
components or portable AM/FM cassette
system for details.

Use the stereo connection cable
(not included) to connect this unit
to your system components or
portable AM/FM cassette system.

Do not connect this unit to the PHONO
terminals of your system components or
portable AM/FM cassette system.