User guide

darTZeel NHB-108 model one User Manual, version B 1.0 Page 3 of 35
Table of contents
First Section, User Manual
1. Introduction .......................................................................................................5
2. Brief description................................................................................................5
3. The NHB-108 in details......................................................................................6
3.1. Front Panel..................................................................................................................................... 6
3.2. Rear Panel ...................................................................................................................................... 6
3.3. Top View ........................................................................................................................................ 7
4. Who am I? ..........................................................................................................8
5. Connecting and setup.......................................................................................8
5.1. Important prior notice .................................................................................................................... 8
5.2. Location ......................................................................................................................................... 8
5.3. Speaker impedance ........................................................................................................................ 8
5.4. Choice of the input......................................................................................................................... 9
5.5. Powering ON ................................................................................................................................. 9
6. Using the darTZeel ............................................................................................9
6.1 Power cycle.................................................................................................................................... 9
6.2. darTZeel's Eyes.............................................................................................................................. 9
6.3. User parameters ........................................................................................................................... 10
6.4. Jumper settings............................................................................................................................. 11
7. Maintenance.....................................................................................................11
7.1. Fuse(s) replacement ..................................................................................................................... 11
7.2. DC voltage drift ........................................................................................................................... 13
7.3. Cleaning and upkeep.................................................................................................................... 13
8. Some advice and tips......................................................................................13
8.1. What not to do.............................................................................................................................. 13
8.2. Troubleshooting ........................................................................................................................... 14
8.2.1. Eyes Closed.................................................................................................................................. 14
8.2.2. Blinking Eyes............................................................................................................................... 14
8.2.3. Amplifier ON, no sound............................................................................................................... 14
8.2.4. Warped sound .............................................................................................................................. 14
8.2.4. Sensitive fuses.............................................................................................................................. 14
8.2.5. Sound too quiet ............................................................................................................................ 15
8.2.7. Melting Fuse(s) at power ON....................................................................................................... 15
8.2.8. RAS (Regular And Satisfactory).................................................................................................. 15
9. Conditions of warranty ...................................................................................15
9.1. Breakdowns or faulty parts .......................................................................................................... 15
9.2. Conditions of use ......................................................................................................................... 16
10. Assistance .......................................................................................................16
11. Technical data..................................................................................................17