Pioneer PL-750 Service Manual

Service
CIRCUIT & MECHANISM
DESCRIPTIONS
ORDER NO.
REPAIR & ADJUSTMENTS : ARP-530-0
STEREO TURNTABLE
PL-750
MODEL PL-750 COMES IN FIVE VERSIONS DISTINGUISHED AS FOLLOWS:
Remarks
AC 120V only U.S. A. model
AC 120V only Canada model
AC 110V ~ 120V and 220V ~ 240V (Switchable) General export model
AC 220V ~ 240V Europe model
AC 220V ~ 240V Australia model
@ This service manual is applicable to the PL-750/KU type.
@ For servicing the PL-750/KC, R, WEM and WP types, please see pages 28, 29.
@ Ce manuel d’instruction se rerére au mode de réglage en frangais.
® Este manual de servicio trata del método de ajuste escrito en espajiol.
CONTENTS
1. SPECIFICATIONS ............0000000ee 2 9. BLOCK DIAGRAM .............-.005-
2. PANEL FACILITIES ..............--4-- 3 10. CIRCUIT DESCRIPTIONS ..............
3. DISASSEMBLY ...........2.0ceceeeuee 4 11: ADJUSTMENTS wevedai ikaw see oi ewww
4. EXPLODED VIEWS.................00- 6 REGLAGES ......... SP eer rere
5. ELECTRICAL PARTS LIST.............-. 1 PIISTES wa we ahs kdaes Soe Maa ncases
PARKING cis cscrey oe neue vid eawon een 12 12. PRECAUTIONS FOR REASSEMBLY ......
7. P.C. BOARDS CONNECTION DIAGRAM .... 13 13. FOR PL-750/KC, R, WEM AND WP TYPES...
8. SCHEMATIC DIAGRAM ............-.-. 15 14, SAFETY INFORMATION .............-
PIONEER ELECTRONIC CORPORATION 1, Meguro 1-Chome, Meguro-ku, Tokyo 153, Japan
PIONEER ELECTRONICS [USA) INC. P.O. Box 1760, Long Beach, California 30801 U.S.A.
: TEL: (BOO) 421-1404, [213) 420-5914
PIONEER ELECTRONIC [EUROPE] N.V. Keetbergiaan 1, 2740 Beveren, Belgium TEL: 03/775-28-08
PIONEER ELECTRONICS AUSTRALIA PTY. LTD. 178-184 Boundary Road, Braeside, Victoria 3195, Australia
TEL: (O03) 580-9911
FG© FEB. 1984 Printed in Japan

Pioneer PL-750 Specifications

General

Speeds	33 1/3 and 45 rpm
Wow and flutter	0.025% (WRMS)
Signal to noise ratio	78 dB
Overhang	15 mm
Power Requirements	AC 120V, 60 Hz
Platter	Aluminum die-cast
Tonearm	Static-balanced type
Tracking Force	1.5 to 2.5 g