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 2001ARP3109HAND WRITING DEVICEPDK-50HW21. SAFETY INFORMATION ...................................... 32. EXPLODED VIEWS AND PARTS LIST ................ 43. SCHEMATIC DIAGRAM ...................................... 104. PCB CONNECTION DIAGRAM .......................... 455. PCB PARTS LIST ............................................... 746. ADJUSTMENT .................................................... 76CONTENTS 7. GENERAL INFORMATION ................................ 777.1 Circuit Description ....................................... 777.1.1 Block Diagram ................................... 777.2.2 Block Diagram of Assy for eachLED-A to LED-G ................................ 787.3.3 Block Diagram of Assy for eachSENSOR-H to SENSOR-N ............... 798. PANEL FACILITIES AND SPECIFICATIONS .... 80T – ZZB NOV. 2001 Printed in JapanFor details, refer to "Important symbols for good services" on the next page.THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).Type ModelPDK-50HW2UCYVLDP AC100 – 240VPower Requirement Remarkswith AC adapter