Pioneer PL-L70 Service Manual

Y PIONEER
Service
ALEVTEY
CIRCUIT DESCRIPTIONS
REPAIR & ADJUSTMENTS
ORDER NO.
ARP-684-0
STEREO TURNTABLE
PL-L7O
MODEL PL-L70 COMES IN SIX VERSIONS DISTINGUISHED AS FOLLOWS:
Voltage Remarks
AC120V only U.S.A. model
AC120V only Canada model
AC220V, 240V (Switchable) European continent model
AC220V, 240V (switchable) United Kingdom model
AC110V, 120V, 220V, 240V, (switchable) General export model
AC110V, 120V, 220V, 240V (switchable) U.S. Military model
®@ This service manual is applicable to the KU, KC, HEM, HB, S and S/G types.
e@ As to the KC, HEM, HB, S and S/G types, please refer to pages 72 and 73.
@ Ce manual d’ instruction se refére au mode de réglage, en francais.
@ Este manual de servicio trata del método de ajuste escrito en espaiiol.
CONTENTS
1. SAFETY INFORMATION ...............04. 2 11. P.C. BOARDS CONNECTION DIAGRAM ..... 41
2. SPECIFICATIONS ........ 0.000 eee ee eee 3 12. SCHEMATIC DIAGRAM............000565 45
3. FRONT PANEL FACILITIES............... 4 13. ELECTRICAL PARTS LIST. ...........0.. 47
4. BLOCK DIAGRAM ..............-020008 | 5 14, ADJUSTMENT ..... 0.0... eee eee 49
5. CIRCUIT DESCRIPTIONS................. 7 REGLAGE =. (iy iat etd temluytdaweers 53
6. ICINFORMATION .............2.0006- 31 AIJUSTEltatoe cho Custer Gace deste wk 57
7. DISASSEMBLY ......... 20. e eee ee eees 32 15. TROUBLESHOOTING 2463 cb aes odes 61
8. PARTS LOCATIONS .............00000- 35 16. SUPPLEMENT FOR KC, HEM, HB, S
9. EXPLODED VIEW AND PARTS LIST........ 37 ANDS/G TYPES ......... 0000 ce eeeeeee 72
10. PACKING...... Bob Sb OE Ra a ae RL Ee 40
PIONEER ELECTRONIC CORPORATION 1, Meguro 1-Chome, Meguro-ku, Tokyo 153, Japan
PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, California SO0801 U.S.A.
TEL: (B00) 421-1404, (800) 237-0424
PIONEER ELECTRONIC [EUROPE] N.V. Keetberglaan 1, 2740 Beveren, Belgium TEL: 03/775-28:08
PIONEER ELECTRONICS AUSTRALIA PTY. LTD. 178-184 Boundary Road, Braeside, Victoria 3195, Australia
TEL: (O03) =!
a aaa FZ © NOV. 1984 Printed _in Japan _,

Pioneer PL-L70 Specifications

General

Drive method	Direct drive
Motor	DC Motor
Platter	Aluminum
Speeds	33 and 45rpm
Wow and Flutter	0.025% WRMS
Signal-to-Noise Ratio	78 dB
Cartridge weight range	4-8 g