Technics SLP 1200 Service Manual

Page 1

ORDER NO. HAD 860972300
A6

Service Manual

COMPACT

disc

DIGITAL AUDIO

Color

(K Black Type

I_.__

SPECIFICATIONS

I Audio

No. ol channels:
Frequency response:
Dynamic range:

S/N ratio:

Harmonic distortion:
Total harmonic distortion:
Channel separation:
Channel phase balance:
Wow and flutter:
Low-pass filter:

I Signal Formal
sampling lrequency:
Correction system:
D-A conversion:

l Pickup

Type:

Light source:
Wavelength:

Technics

DIEIT/IL

Compact Disc Player

2 (left and right, stereo)

4-20.000 Hz $0.1 (13*

More than 96 dB'

More than 106 dB'

0.0012% (1 kHz, 0 :38)

0.0025% (1 kHz, 0 dB)

More than 106 dB (1 kHz)

Less than 5"

Below measurable Iimit'

High-resolution digital filter
Digital: Double over sampling
96th order FIR (Finite Impulse
Response) type
Analog: GIC (Generalized
Impedance Converter) active
type

441 kHz

Technics Super Decoding
Algorithm

16-bit linear

Fine-focus, one beam

[Measured by EiAJ (GP-307)]

Compact Disc Player

S_-P12OO

Color Areas

(K) [M] ..... U.S.A.

(K) [MC] Canada.

(K) [E] ..... Switzerland and
Scandinavia.

(K) [EK]..,. United Kingdom.
(K) [XL] Australia.

(K) [EG] . . FR Germany.
(K) [EB] . Belgium.

(K) [EH] Holland.

(K) [EF] France.

(K) [Ei] ..... Italy.

(K) [XA] Asia, Latin
America, Middle
Near East, Africa

and Oceania.
(K) [XB].... Saudi Arabia.
(K) [PA] .. East PX.
(K) [PE] European Military.

(K) [PC] . _ .. European Audio
Club.

l Traverse system:

Type:

High-speed linear access system

I Spindle system:

Type:

I Functions
Automatic play:
Direct access play:
Program play:
skip play:

Search play:

Display functions:

Brushiess DD motor

IAll tracks

ODirect access to any track, index,
or time on disc

IMax. oi 20 program selections

0Forward and backward track skip

0Forward and backward program
track skip

IForward and backward manual
search

IButton Search (2-speed)

IDial search (2-speed)

IMusic Matrix (20 tracks)

OTrack number display

Glndex number display

ITime display
(min./sec./1/10th sec.)

I Programmed order (No)
(when recall button is pressed)

I Overflow mark (a)

L" 'Overflow indicator (>)

7 . 'Repeat indicator

Semiconductor laser

780 nm ..
Matsushiu Service: Company Pan-sonic l-l-wair, Inc MIIsuchlt. Electric Trading Co,
50 Meadowland Parkway. 9t-238, Kauhi SI. Ewe Beach Ltd.
Secaucus, New Jersey 07094 PD Box 774 PD. Box 288, Central Osaka Japan

Honolulu, Hawaii 96806-0774

Pun-sonic Salas Comp-"Vi

Plnuonlc Tokyo Oitioe

DIVIIIOII ct Mmsushlu Electric Mluuahlta Electric Malamute Elecirlc Trot-VII Cm.
of Pump Rico, Inc. at Canada Lirnlled Ltd.
Ave. 65 De lrilanteria, KM 9.7 5770 Ambler Drive, Mississauga, 6th Floor, World T'ade Center

Victoria industrial Park Ontario. L4W 273 Bldg.
Carolina, Puertc Rico 00630

No. 1H, Hamamalsumho 2-Clicme,
Minato-ku, Tokyo 105, Japan

SL-P1200

Page 2

-Standby indicator
cAuto one indicator
ITime mode indicator
IEmphasis indicator
When using remote control unit:
OdB display
' Level indicator
OMusic scan indicator
OFlemote control indicator
I Headphones:

Output level: 100 mw max. (variable)

impedance: 32 n
Plug: 1/4 inch stereo
I General

For USA and Canada:
AC 60Hz, 120V

For United Kingdom and
Australia: AC 240V. 50Hz

For Continental Europe:
AC 220V. 50Hz

Power supply:

For others:
AC 110~127/220~240V, 50/60Hz
Power consumption: 29 W
Output voltage: 2 V (at 0 dB)
Output impedance: About 200 1)

Load impedance: More than 10 k0

I CO NTENTS

BEFORE USING THIS UNIT ..........

PRECAUTIGN 0F LASER DIODE .....

SAFETY PRECAUTION ..............

LOCATION OF CONTROLS . 4
PLAYING A DISC ................ .. 7
CLEANING OF LENS .......................... . e . 15
HANDLING PRECAUTIONS FOR OPTICAL PICKUP t 15
DISASSEMBLY INSTRUCTIONS ...... . 16
RESISTORS AND CAPACITORS . 21
REPLACEMENT PARTS LIST... . 23

EXPLODED VIEWS ....................

I BEFORE USING THIS UNIT

1, Place a soft cloth under the unit to protect it from scratches.
2: Press the lock shaft on the bottom panel to the in (FREE)
position (1_;).

Look shalt
@7

LOCK FREE

1».-

Soft cloth

Dimensions (WXDXH): 43X38X16:8 cm
(16-15/16"X14-3/32"><6~5/8")
When disc compartment is open.
23 cm (9-1/16") height
Weight: 145 kg (32 lbs)
I intrared remote control unit
Remote control buttons: Basic buttons: 7

Program buttons: 12

Time mode select buttons: 2

Index button: 1

Music scan button: 1

Repeat button: 1

Asterisk button: 1

Digital volume attenuation

buttons: 2
Dimensions
(WXHXD): 6.4X15.5><1.8 cm
Batteries: UM-S AA" batteries or iEC R6

or equivalent (1.5 VXZ)
Weight: 140 9 (03 lb.)
(including batteries)

Specifications are sublect to change without notice for further
improvement.
Weight and dimensions are approximate.

PACKING ..................................
How To REPLACE iCs (Small outline lype) .
MEASUREMENTS AND ADJUSTMENTS ,
TERMINAL FUNCTION OF LSI ..........
TERMINAL GUIDE or Ic's,
TRANSISTORS AND DIODES ...........
PRINTED cIRcUIT BOARD AND
WIRING CONNECTION DIAGRAM
PRINTED CIRCUIT BOARDS
SCHEMATIC DIAGRAM .: .
BLOCK DIAGRAM ....................

NOTE:

IF THE UNIT IS TRANSPORTED AGAIN, PERFORM
THE FOLLOWING STEPS:

1) Remove the disc from the holder:

2) Pull the lock shaft to the out (LOCK) position (1.. 1).
CAUTION:

Do not transport the unit without locking the lock shaft.
SEVERE DAMAGE WILL RESULT.