ORDER NO.PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, JapanPIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.PIONEER ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, BelgiumPIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Allexandra Road, #04-01, Singapore 159936PIONEER ELECTRONIC CORPORATION 1999cRRV2148XC-IS21T1. SAFETY INFORMATION ....................................... 22. EXPLODED VIEWS AND PARTS LIST ................. 33. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 164. PCB CONNECTION DIAGRAM ........................... 345. PCB PARTS LIST ................................................ 466. ADJUSTMENT ..................................................... 517. GENERAL INFORMATION .................................. 57CONTENTS 7.1 DIAGNOSIS ................................................... 577.1.1 SEQUNCE AFTER THE POWER ON ... 577.1.2 SINGLE OPERATION METHOD .......... 587.1.3 DISASSEMBLY .................................... 607.1.4 PCB LOCATION ................................... 647.2 PARTS ........................................................... 657.2.1 IC .......................................................... 658. PANEL FACILITIES AND SPECIFICATIONS ....... 70T – ZZY MAY 1999 Printed in JapanTHIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).CD TUNER DECKRemarksType ModelXC-IS21TPower RequirementZUCXJ O DC power supply from other systemThis product is a system(s) component.This product does not function properly when independent; to avoid malfunctions, be sureto connect it to the prescribed system component(s), otherwise damage may result.CD TUNER DECK XC-IS21T RRV2148 This service manualSTEREO POWER AMPLIFIER M-IS21 RRV2143SPEAKER SYSTEM S-IS21 RRV2141SystemIS-21TComponent Service Manual Remarks