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 1999cRRV2103DRM-6NXT – ZZY FEB. 1999 Printed in JapanTHIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).NETWORK CACHE CHANGERModelDRM-6NXType Power Requirement RemarksTUCYV O AC110 - 240VCONTENTS1. SAFETY INFORMATION .................................... 22. EXPLODED VIEWS AND PARTS LIST ............. 43. SCHEMATIC DIAGRAM ................................... 144. PCB CONNECTION DIAGRAM ....................... 265. PCB PARTS LIST ............................................. 326. ADJUSTMENT .................................................. 357. GENERAL INFORMATION .............................. 457.1 IC ................................................................ 457.2 DIAGNOSIS ............................................... 467.2.1 DIAGNOSIS METHOD FOR MULTIMECHA ASSY AND HDD ................. 467.2.2 DISASSEMBLY ................................. 467.2.3 TROUBLESHOOTING ...................... 487.2.4 UPGRADING THE NETWORKCACHE CHANGER .......................... 537.3 BLOCK DIAGRAM .................................... 568. PANEL FACILITIES AND SPECIFICATIONS................................................................... 57