ORDER NO.PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, JapanPIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, BelgiumPIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936PIONEER CORPORATION 2001ARP3099T – ZZY SEPT. 2001 Printed in JapanPRO-720HDPROJECTION MONITOR RECEIVERPRO-620HDPRO-520HDTHIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).This service manual should be used together with the following manual(s):Model No. Order No. Remarks6. ADJUSTMENT ................................................... 1847. GENERAL INFORMATION ................................ 2077.1. DIAGNOSIS .................................................. 2077.1.1 DIAGNOSIS METHOD .............................. 2077.1.2 DISASSEMBLY ......................................... 2127.1.3 WIRING DIAGRAM .................................... 2147.2 IC ................................................................... 2167.3 EXPLANATION .............................................. 2398. PANEL FACILITIES AND SPECIFICATIONS ......... 252CONTENTSPower RequirementType ModelPRO-720HD PRO-620HD PRO-520HDRemarksKUXC/CA ‡ ‡ ‡ AC120VPRO-720HD SAFTY INFORMATION, EXPLODED VIEWS AND PARTS LIST,PRO-620HD ARP3095 BLOCK DIAGRAM AND SCHEMATIC DIAGRAM,PRO-520HD PCB CONNECTION DIAGRAM, PCB PARTS LIST