• For ADJUSTMENTS (SECTION 6), refer to SERVICE MANUAL, ADJ (987626451.pdf). • For INSTRUCTION MANUAL, refer to SERVICE MANUAL, LEVEL 1 (987626441.pdf). • This service manual contains information for Japanese model as well. • Reference No. search on printed wiring boards is available. • Procedures for Waterproof Check • HELP: Sheet attachment positions and procedures of processing the flexible boards/harnesses are shown. On the DD-209, PD-176 and TY-20 boards This service manual provides the information that is premised the circuit board replacement service and not intended repair inside the DD-209, PD-176 and TY-20 boards. Therefore, schematic diagram, printed wiring board, waveforms, mounted parts location and electrical parts list of the DD-209, PD-176 and TY-20 boards are not shown. The following pages are not shown. Schematic diagram ... Pages 4-11 to 4-24 Mounted parts location ... Pages 4-57 and 4-58 Printed wiring board ... Pages 4-39 to 4-44 Electrical parts list ... Pages 5-6 to 5-8, Waveforms ... Pages 4-54 and 4-55 5-10 to 5-12