Pioneer plz 81 service manual
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Page 1
PIONEER
The future of sound and vision.
ORDERNO.
ARP1478
STEREO TU RNTABLE
L-ZS'I ZEBM
L-za 1 ZEBM
o This service manual is applicable to the PL-291/ZEBM and PL-281/ZEBM types.
CONTENTS
1. SPECIFICATIONS ...................... 2 7. P.C. BOARDS CONNECTION DIAGRAM 13
2. PANEL FACILITIES .................... 2 8. ELECTRICAL PARTS LIST .............. 14
3. PACKING ............................ 3 9. PRECAUTIONS FOR REASSEMBLY ....... 15
4. DISASSEMBLY ........................ 4 10. ADJUSTMENTS ...................... 19
5. EXPLODED VIEWS ..................... 6 REGLAGE .......................... 21
6. SCHEMATIC DIAGRAM ................. 12 AJUSTE ............................ 23
PIONEER ELECTRONIC CORPORATION 44, Megum I-Chome, Meguro-ku. Tokyo 153. Japan
PIONEER ELECTRONICS SERVICE INC. HO, BOX I760, Long Beach, California 90801 USA.
PIONEER ELECTRONICS OF CANADA, INC. 505 COCIIFZJ'IB DIIVE. Markham, Ontario L3R 8E3 Canada
FIONEER ELECTRONIC [EUROPE] N.V. Keetberglaan I. 2740 Beveren, BeIgium
PIONEER ELECTRONICS AUSTRALIA PTY. LTD. 178-184 Boundary Road, BraeSIde. Victoria 3195. AustraIIa TEL: {03] 580-9911
MO© JAN. 1988 Printed In Japan
Page 2
PL-ZSI , PL-ZB1
1. SPECIFICATION
Turntable: PL-291/PL-281
Motor, Platter
Motor Type ................................................ DC servo motor
Drive Method ......................... 1,,- ...................... beI-t drive
Speed ............................................ Hen.83-1/3 45 RPM
Speed Variation ----------- 0.07% WRMS (JIS i0.10% WTD)
Peak (DIN).
S/N Ratio ................... ~ ............... -..- ...... tan: ....... 68 dB (D|N_B)
Platter ------------------------------- 295mm dia.,,. aluminum die-cast
Tonearm
Type ----------------------- Dynamirbalance type, straight tonearm
Installed Cartridge
Type ....................................................................... MM type
Replacement Stylus ............................. ............... . PN-ZIO
Stylus ................................................ i ....... 0.6 mil diamond
Output voltage 2.5mV (likHz, 3.54cm/S, Lat. peak)
Tracking Force --------------------------- 2-3.0g {optimum 2.59)
Frequency Response --------------------------- 20Hz to 20,000Hz
Load Resistance ......................................................... 47kg
Cartridge Weight ................................................... . ......... 4g
2. PAN EL FACILITIES
P /r
@
{PL-281 is not equipped
with this switch.)
Other
Dimensions -------------------------- 360W x 90H x 350.50lmm)
Weight
PL..291 ................................................................. 2,7kg
PL_281 ............................... I ................................... 27kg
Accessories
EP Adaptor ................................................. T ............... 1
Specifications and design subject to possible modifications
without notice due to improvement.
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