Pioneer PL-200 Service Manual

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This seruice
manual describes
the mechanical operations
and
adjustments,
and the D.D.
motor employed
in the
following
models.
STEREO
TURNTABLE
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PLI?55
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PICINEEFI E-ECTFIONIC
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4-1.
Mesu.o
1-chome. rvesuno-ku, Tokyo 153. Jap6n
lr.g. P|q\IEEF ELEST':EINICB OGIPCFIATION
85
Oxfotu
O.,ve, Moonach,e, New
Jereey O7O7A, U.S
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PIChIEEFI ELECTFIO TIC
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N,V. Lurthagen-Haven
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2OS AnEwerp,
Elelgrum
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AIJATFaALIA
FYY.
LTO.
178-184
E]ounda.y Road, Elnaesde, VcEonra
3195,
AusE.6l6
<ART-467-0>
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i979
Printed
in
Japan

Pioneer PL-200 Specifications

General

Drive System	Direct Drive
Motor	DC Servo Motor
Turntable Platter	Aluminum Die-cast
Effective Length	221 mm
Overhang	15.5 mm
Weight	5.5 kg
Speeds	33 and 45rpm
Cartridge	Moving Magnet (MM)
Dimensions	420 x 360 x 130 mm
Output Level	2.5mV
Tonearm Type	Static Balance S-Shaped Tonearm
Cartridge Weight Range	4 to 10 g

Summary

1. PL-200 PANEL FACILITIES

2. PL-255 PANEL FACILITIES

3. PL-400 PANEL FACILITIES

4. PL-300 PANEL FACILITIES

5. DISASSEMBLY

5.1 PANEL AND BASE PLATE

Procedure for disassembling the panel and base plate.

5.2 D.D. MOTOR AND TONEARM

Procedure for disassembling the DD motor and tonearm assembly.

6. PANEL AND BASE PLATE ASSEMBLY

6.1 PL-200, PL-300

Assembly steps for the panel and base plate for PL-200 and PL-300 models.

6.2 PL-255, PL-400

Assembly steps for the panel and base plate for PL-255 and PL-400 models.

7. CIRCUIT DESCRIPTIONS

7.1 BLOCK DIAGRAM (PL-300, PL-400)

Block diagram of circuit description for PL-300 and PL-400.

7.2 MOTOR OPERATION

Details on motor construction and principles of rotation, including speed detection.

7.3 OPERATION OF THE PD1003 IC (OSCILLATOR STAGE)

Explanation of the PD1003 IC's function in the oscillator stage.

7.4 OPERATION OF THE PA2004 IC (COMPARATOR CONTROL)

Explanation of the PA2004 IC's role in comparator control.

7.5 OPERATION OF THE PA2005 IC (DRIVE CONTROL)

Explanation of the PA2005 IC's function in drive control.

7.6 BLOCK DIAGRAM (PL-200, PL-255)

Block diagram of circuit description for PL-200 and PL-255.

8. MECHANISM DESCRIPTIONS

8.1 PL-200 MECHANISM OPERATING

Description of the operating mechanism for the PL-200 turntable.

8.2 PL-400 MECHANICAL OPERATION

Description of the operating mechanism for the PL-400 turntable.

9. ADJUSTMENT

9.1 STYLUS DESCENT POSITION

Procedure for adjusting the stylus descent position for automatic play.

9.2 AUTO RETURN ADJUSTMENT

Procedure for adjusting the auto return function of the tonearm.

9.3 D.D. MOTOR ADJUSTMENT (PL-300 AND PL-400)

Procedure for adjusting DD motor speed for PL-300 and PL-400.

9.4 D.D. MOTOR ADJUSTMENT (PL-200 AND PL-255)

Procedure for adjusting DD motor speed for PL-200 and PL-255.