Denon DVD-1930 Service Manual

Also see for DVD DVD-1930: Operating instructions

Contents

3030DVD-2900LIST OF CAUTION, NOTES, AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ONTHE FOLLOWING PAGES:1. CAUTION:FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPEFUSE.2. CAUTION:Fixed Voltage (or Auto voltage selectable) power supply circuit is used in this unit.If Main Fuse (F1001) is blown, first check to see that all components in the power supply circuit are notdefective before you connect the AC plug to the AC power supply. Otherwise it may cause some componentsin the power supply circuit to fail.3. Note:1. Do not use the part number shown on the drawings for ordering. The correct part number is shown in theparts list, and may be slightly different or amended since the drawings were prepared.2. To maintain original function and reliability of repaired units, use only original replacement parts which arelisted with their part numbers in the parts list section of the service manual.4. Voltage indications for PLAY and STOP mode on the schematics are as shown below:5. How to read converged lines6. Test Point Information2 315.0(2.5)5.0The same voltage forboth PLAY & STOP modesIndicates that the voltageis not consistent here.PLAY modeSTOP mode(Unit: Volt)321A B C D1-B11-D3AREA D3AREA B11-D3Distinction AreaLine Number(1 to 3 digits)Examples:1. "1-D3" means that line number "1" goes to the line number"1" of the area "D3".2. "1-B1" means that line number "1" goes to the line number"1" of the area "B1".: Indicates a test point with a jumper wire across a hole in the PCB.: Used to indicate a test point with a component lead on foil side.: Used to indicate a test point with no test pin.: Used to indicate a test point with a test pin.