Pioneer PX-7 Manuals

($PIONEER Service cTVIanual CIRCUIT & MECHANISM DESCRIPTIONS REPAIR & ADJUSTMENTS ORDER NO. ARP-683-0 PERSONAL COMPUTER MODEL PX-7 COMES IIM TWO VERSIONS DISTINGUISHED AS FOLLOWS: Type HE HB Voltage AC220V, 240V (switchable) AC240V, 220V (switchable) Remarks European continent model United Kingdom model RF OUTPUT G/PALUHF 36 ± 1 ch l/PAL UHF 36 ± 1 ch • This service manual is applicable to the HE and HB types. CONTENTS 1. SPECIFICATIONS 2 2. PANEL FACILITIES 12 3. DISASSEMBLY 21 4. PARTS LOCATIONS 23 5. EXPLODED VIEWS AND PARTS LIST 25 6. PACKING 28 7. CONNECTION DIAGRAM 29 8. SCHEMATIC AND P.C. BOARDS CONNECTION DIAGRAM 31 9. ELECTRICAL PARTS LIST 44 10. ADJUSTMENTS 48 11. INSPECTION ROM INSTRUCTION MANUAL 53 12. BLOCK DIAGRAM 69 13. CIRCUIT DESCRIPTION 73 PIONEER ELECTRONIC CORPORATION 4-i. Meguro i -Chome, Meguro-ku, Tokyo 153. Japs PIONEER ELECTRONICS [USA] INC. P.O. Box 1760. Long Beach. California 90B01 U S A. TEL: [BOO] A21-1AOA, [BOO) 237-OA24 PIONEER ELECTRONIC [EUROPE] N.V. Keetberglaan 1. 27AO Beveren. Belgium TEL: 03/775 20 08 PIONEER ELECTRONICS AUSTRALIA PTY. LTD. 178-1BA Boundary Road. Braeside. Victoria 3195. Austral TEL: [03) 5BO-9S11 FZ ©OCT. 1985 Printed in J;