Denon DVD-2910 Service Manual

Also see for DVD-2910: Operating instructions Specifications Supplementary guide Operating instructions Service manual

Contents

12DVD-2910/9551. Label Indication of SACD Mechanism.2. Note for Handling the Laser Pick-UpThe protection for the damage of laser diode.If you want to change the optical device unit from any otherunits, you must keep the following.(1) It should be done at the desk already took measures thestatic electricity in care of removing the OPU's (Opticaldevice unit) connector cable.(2) Workers should be put on the "Earth Band".(3) It should be done to add the solder to the short land toprevent the broken Laser diode before removing the 24PFFC cable.(4) Don't touch OPU's connector parts carelessly.3. Replacement of the Laser Pick-up(Traverse Unit)Check the Iop (Laser drive current)If the present Iop (current) value exceeds.+150% of the ini-tial value, replace the Traverse unit (Laser Pick-up) with anew one.4. Iop Measurement MethodWhen measuring Laser drive current (Iop), playback thediscs (CD,DVD) described below, measure Iop for CD Laserand DVD Laser by the test point (+5V-A2~ LD (CD), LD(DVD))on the Main P.W.B.Test Disc : DVD/DVDT-S01 or commercially availablediscs.: CD/TCD-784 (manufactured by ALMEDIOINC) or commercially available discs.Laser current consumption valueex) DVD 㧖㧖㧖 mA, CD 㧖㧖㧖 mA㚟േ㔚ᵹ୯࡯ࠩ࡯࡟଀㧕DVD 㧖㧖㧖 mA, CD 㧖㧖㧖 mA