Technics SLPG 560 A Service Manual
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Extracted text from Technics SLPG 560 A Service Manual (Ocr-read)
Page 1
ORDER NO. MBS401046C2
Service Manual
DIGIT/IL
lfigfi
DIGITAL AUDIO
MASH
mum-stage parse shaping
TRAVERSE DECK:
Specifications
I Audio
No. or channels
Frequency response
Output voltage
Dynamic range
SIN
Harmonic distortion
Total harmonic distortion
Wow and flutter
DA converter
Output impedance
Load impedance
Headphone output level
Compact Disc Player
SL-PG560A
Colour
(K) . Black Type
Areas
Suffix for
Model No. Area Colour
(E) Europe
(EB) Great Britain (K)
(EG) Germany and ltaly
RAE11OOZ MECHANISM SERIES
2 (left and right, stereo)
2-20.000 Hz, $0.5 dB
2 v (at 0 dB)
98 dB
107 dB
0.002% (1 kHz 0 dB)
0,0027% (1 kHz, 0 dB)
Below measurable limit
MASH (1 hit)
6000
More than 10 K)
15 mW max. 320 (adjustable)
Technics
I Pickup
Wavelength
Laser Power
780 nm
No hazardous radiation is emitted
(with safely protection)
I General
Power consumption 15 W
Power supply AC 50/60 Hz, 230-240 V
Dimensions (WXHxD) 430x92x 298 mm
Weight . 3.3 kg
Note:
Specifications are subject to change without notice.
Weight and dimensions are approximate.
For United Kingdom only:
This apparatus was produced to BS 800.
OTechnlcs (or Panasonic) developed the worlds first MASH
type DAC and ADC. MASH technology was invented by
MT (LSl Labs)
- MASH is a trademark of MT.
Page 2
SL-PG560A
lContents
oHandiing Precautions for Traverse Deck
oPrecaution of Laser Diode
oAccessories .
oConnections .
oCaution for AC Mains Lead (For United Kingdom) .
eLocation ot Controls .......
oBasic Operating Procedure
IDisassembty Instructions
olnstalling Disc Tray ..........
oHow to Check the Main P. .
oHow to Check the Servo P.C.
IBtock Diagram ....................
Pag e
oSchematic Diagram ,,,,,,
oPrinted Circuit Board Diagram
oWiring Connection Diagram
IDisplay Function of
Automatically-Adjusted Results
oTroubleshooting Guide .
oDigitaI Servo System.
IFunctions of IC Terminals
oRepiacement Parts List
oCabinet Parts Location.
oLoading Unit Parts Location
OPackaging ..........................
IHandling Precautions for Traverse Deck
The laser diode In the traverse deck (optical pickup) may break down due to potential ditierence caused by static electricity at clothes or
human body.
So, be carelul oi electrostatic breakdown during repair at the traverse deck (optical pickup).
OHandling oi traverse deck (optical pickup)
1. Do not subtect the traverse deck (optical pickup) to static
electricity as it is extremely sensitive to electrical shock.
2, To prevent the breakdown oi the laser diode. an anti-static
shorting pln Is inserted into the ilexlble board (FPC board).
When removing or connecting the short pin, iinish the job in as
short time as possible.
3. Take care not to apply excessive stress to the flexible board (FPC
board).
4. Do not turn the variable resistor (laser power adjustment). it has
already been adjusted.
OGroundtng tor electrostatic breakdown
prevention
1. Human body grounding
Use the anti-static wrist strap to discharge the static electricity
lrorri your body.
2. Work table grounding
Put a conductive material (sheet) or steel sheet on the area where
the traverse deck (optical pickup) is placed. and ground the sheet.
Caution:
The static electricity at your clothes will not be grounded through the
wrist strap. 30. take care not to let your clothes touch the traverse
deck (optical pickup).
lPrecaution of Laser Diode
ch
LenS(Dor\ottouch) (Handieitcareiully) /_
Be sure to short this portion
(Use the shorting pin or clip)
iron plate or some metals
to conduct electricity
CAUTION: This product utilizes a laser diode with the unit turned "on", invisible laser radiation is emitted irom the pick up lens.
Wave length: 780 rim
Maximum output radiation power iron'i pick up: 100 itWNDE
Laser radiation from the pick up unit is saiety level. but be sure the followings:
1 . Do not disassemble the optical pick up unit. since radiation irom exposed laser diode is dangerous.
2. Do not adjust the variable resistor on the pickup unit. It was already adjusted.
3. Do not luck at the tocus lens using optical instruments.
4. Recommend not to lock at pick up lens for a long time.
ACHTUNG: Dieses produkt enthatt eine laserdiode. im eingeschalteten zustand wird unsichtbare iaserstrahtung von der lasereinheit abgestrahit.
Weiieniénge: 730 nm
Maximale strahtungsleistung der laserinhoit: 100 uWNDE
Die strahlung an der lasereinheit ist ungelahrllch, wenn iolgende punkte beachtet werden:
. Die lasereinheit nicht zerlegen, de die strahlung an der ireigelegten laserdiode geiéhriich ist.
1
2. Dan werksseitig justierten einsteitregler der Iasereinreit nicht versleilen.
3. Nicht mit optischen instrumenten in die lokussierllnse blicken.
4. Nicht fiber litngere zeit in die tokussierlinse blicken.