HHB-Circle5A_V3-spk-sm 电路图维修手册.pdf

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1、Version 5.1 03.01.02Page 1 Service manual HHB Circle 5A Powered Monitor speaker with V3 electronics Manual: Version 5.2 23.12.2001 This manual is subject to change without notice. Always check with HHB that you are using the latest version. Also available as an Adobe Acrobat V4 file. When printing t

2、his file, for clear sharp pictures on a black Superscrew or Pozidrive screwdriver. Section 3.3: Removing the screws Please follow these instructions exactly. Failure to do so may well destroy your cabinet and/or module. First, using your smaller Superscrew driver, check that the screwdriver makes a

3、positive fit to the screws marked 1,2,3,4. Applying as little force as necessary, unscrew (anti-clockwise) the four corner machine screws in the order 1, 2, 3, 4. These screws locate in metal inserts trapped in the inside of tha cabinet, and the alignment of the module and the cabinet is precise. Th

4、en, using the larger screw driver, remove the screws A, B, C, D, E and, as you loosed screw F, expect the module to drop down. Be ready tocatch it! The module can then be removed a short distance from the cabinet, as the internal con- nections to the module are on short flexible wires. Be ready to c

5、arefully note the colour coding and position of the wires that connect the module to the woofer, tweeter and LEDs. NB: This photo is of the earlier module, but the screw arrangement is identical There are four function blocks in the C5A elec- tronic module: C5AIPM: a small PCB carrying the XLR, phon

6、o,volume control and selector switch. This is secured to the panel by the nut of the vol- ume control and the two M3 nylock nuts that secure the XLR socket. The input signal, once selected by the user switch is sent to the C5APAM MAINS TRANSFORMER: The mains primary is connected directly to the user

7、s mains off-on switch. The single sec- ondary is connected to the C5APAM. The transformers mains operating voltage is not adjustable; various voltages are available for different market conditions. Sec. 4.0 General view of C5A module viewed from the inside Version 5.6Page 6 Section 4.1 Close-up views of inside of C5A module C5AIPM: note air holes are sealed with hot glue. Wire loom connecting C5AIPM to C5APAM C5APAM Version 5.6 07.04.02Page 8 Version 5.6 07.04.02Page 9 Version 5.6 07.04.02Page 8 Version 5.6 07.04.02Page Version 5.6 07.04.02Page Version 5.6 07.04.02Page