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HHB CDR-882 DualBurn Service Manual

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CDR-882 DualBurn
Service Manual
Version 1.3
February 2009

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Summary of Contents for HHB CDR-882 DualBurn

  • Page 1 CDR-882 DualBurn Service Manual Version 1.3 February 2009...

  • Page 2: Table Of Contents

    Table of contents Important information ......................5 Disassembly and assembly ....................6 Lid removal ........................6 Removal of CD drives ...................... 8 Rear board [P8202] removal ..................13 Motherboard [P8200] removal ..................14 Power supply removal ....................18 Front panel removal ......................19 Front panel disassembly ....................
  • Page 3 Table of Figures Figure 2.1-1: Remove the four screws on the top ............ 6   Figure 2.1-2: Remove the six screws on the sides ........... 6   Figure 2.1-3: Remove the seven screws on the rear ..........6   Figure 2.1-4: Push to unlock lid ................. 6  ...
  • Page 4 Figure 2.8-2: Remove flat push connectors ............25   Figure 2.8-3: Remove the power button ............. 25   Figure 2.8-4: Remove screws and sleeve ............25   Figure 3.1-1: Motherboard ................26   Figure 3.1-2: Motherboard with the most important components highlighted ..... 26  ...

  • Page 5: Important Information

    1 Important information This service manual is written for the use of trained service personnel only. Disassembly of the CDR-882 DualBurn by an untrained operative could cause severe damage to the unit, and will invalidate the CDR-882 DualBurn warranty. It is essential that all normal electrostatic discharge (ESD) protection procedures are carefully followed.

  • Page 6: Disassembly And Assembly

    2 Disassembly and assembly In general the assembly is the reverse process of disassembly. Thus, only disassembly is explained in this section. 2.1 Lid removal For a majority of service operations it will be necessary to remove the lid. 1. First remove all the screws that hold the lid to the chassis. There are four screws on the top (labelled as “A”...

  • Page 7: Figure 2.1-5: Interior Of The Unit

    The most important parts inside the chassis have been highlighted in Figure 2.1-5: E) Drives 1 and 2 F) Mains cable IEC inlet G) Switched Mode Power Supply (SMPS) H) Motherboard [P8200] and rear board [P8202] Figure 2.1-5: Interior of the unit CDR-882 Service Manual Version 1.3 Page 7 of 37...

  • Page 8: Removal Of Cd Drives

    2.2 Removal of CD drives To remove the drives: 1. First carefully disconnect the data and power cables connected to the back of the drives (“A” and “B” in Figure 2.2-1, also see Figure 2.2-2). Figure 2.2-1: Data and power cables on the back of the drive Figure 2.2-2: Bus and power cables removal from the drive 2.

  • Page 9: Figure 2.2-4: Disconnect Bus And Power Cables From The Motherboard

    Figure 2.2-4: Disconnect bus and power cables from the motherboard 3. To remove the power cables for drive 1, cut the tie to release the cables from the bottom of the chassis (Figure 2.2-5). This tie should be re-fitted when reassembling the unit.

  • Page 10: Figure 2.2-6: Twelve Screws That Hold The Drives' Brackets In Place

    Figure 2.2-7: Twelve screws that hold the drives’ brackets in place 5. The drives can now be removed. Release each drive by gently moving them backwards away from the front panel and then lift them to remove from the chassis (Figure 2.2-8). Figure 2.2-8: Removing the drives from the chassis CDR-882 Service Manual Version 1.3...

  • Page 11: Figure 2.2-9: Push The Eject Lever Under The Tray To Eject The Disc Tray

    6. The “door” of the disc tray and the brackets can be removed from the drive. To remove the tray, first eject it by pushing the eject lever on the front of the drive (Figure 2.2-9). Figure 2.2-9: Push the eject lever under the tray to eject the disc tray 7.

  • Page 12: Figure 2.2-12: Drive, Brackets And Door Disassembled

    Figure 2.2-12: Drive, brackets and door disassembled The drives’ model is the DH-52R2P from LiteOn. The MTBF (mean time before failure) for this model is 80,085 at 25% duty cycle and room temperature. It should be replaced if faulty. CDR-882 Service Manual Version 1.3 Page 12 of 37...

  • Page 13: Rear Board [P8202] Removal

    2.3 Rear board [P8202] removal To remove the board sitting on top of the motherboard: 1. First disconnect the flat flexible cable (FFC) which connects the board to the motherboard (“A” in Figure 2.3-1). Figure 2.3-1: FFC socket on the upper board 2.

  • Page 14: Motherboard [P8200] Removal

    washer fitted around the WordClock BNC connector. “E” is used for the stand- offs on the 9-pin serial connector. Figure 2.3-4: Eight screws, two stand-offs and nut and washer on the rear panel 5. To remove the BNC nut use a pair of pliers (Figure 2.3-5). Be careful not to scratch the rear panel.

  • Page 15: Figure 2.4-1: Different Connectors On The Motherboard

    1. Disconnect the two analogue cables (“A” in Figure 2.4-1) and the 3 FFCs (“B” in Figure 2.4-1). Figure 2.4-1: Different connectors on the motherboard 2. To disconnect the FFC follow the procedure described in Section 0 to release the cables from their connectors (Figure 2.4-2).

  • Page 16: Figure 2.4-4: Screws That Hold The Motherboard To The Chassis

    Figure 2.4-4: Screws that hold the motherboard to the chassis 5. Gently move the board away from the rear panel, and lift the board away from the chassis to remove it completely (Figure 2.4-5). Figure 2.4-5: Push to release the motherboard from the rear panel 6.

  • Page 17: Figure 2.4-6: Remove Loose Cables

    Figure 2.4-6: Remove loose cables CDR-882 Service Manual Version 1.3 Page 17 of 37...

  • Page 18: Power Supply Removal

    2.5 Power supply removal To remove the switched mode power supply from the chassis: 1. Disconnect the “Molex-type” connector (“B” in Figure 2.5-1) and remove the four screws (“A” in Figure 2.5-1). Figure 2.5-1: Remove the four screws and disconnect the Molex type connector The switched mode power supply is the Meanwell PT-65C , and it should be replaced if faulty.

  • Page 19: Front Panel Removal

    2.6 Front panel removal To remove the front panel from the chassis: 1. Remove eight screws from the inside of the chassis (“A” in Figure 2.6-1). Figure 2.6-1: 8 screws that hold the panel to the chassis 2. Remove all the screws that hold the headphones and the PS2 boards to the chassis (“B”...

  • Page 20: Figure 2.6-3: Six More Screws That Hold The Front Panel To The Chassis

    Figure 2.6-3: Six more screws that hold the front panel to the chassis 4. Move the front panel gently away from the chassis to release it (Figure 2.6-4) and lift to remove it. Figure 2.6-4: Remove the front panel Figure 2.6-5 shows the front panel completely removed. Figure 2.6-5: Front panel standing alone CDR-882 Service Manual Version 1.3...

  • Page 21: Front Panel Disassembly

    2.7 Front panel disassembly To disassemble the front panel please follow the instructions below. 1. Remove both the analogue level and AMS pots to the left of the front panel from their shaft ( Figure 2.7-1). Figure 2.7-1: Remove pots 2.

  • Page 22: Figure 2.7-4: Separate The Switches And Ps2 Boards

    4. To separate the switches board from the PS2 board, remove the nuts on both shafts (Figure 2.7-4). Figure 2.7-4: Separate the switches and PS2 boards 5. Also, to release and remove the headphones board, remove the pot (“B” in Figure 2.7-5.

  • Page 23: Figure 2.7-7: Front Panel And Buttons

    Figure 2.7-7: Front panel and buttons 7. To release the LCD remove the four screws (“C” in Figure 2.7-8). Note that each screw has an associated metal and card washer. Figure 2.7-8: 4 screws that hold the LCD in place Figure 2.7-9: Front panel completely disassembled Figure 2.7-9 shows the LCD disassembled.

  • Page 24: Removing The Power Cables

    2.8 Removing the power cables The different sections of the power cables are shown in Figure 2.8-1. Figure 2.8-1: Remove power cabling Housing for ‘push flat’ spade connectors Power button (includes illumination board [P8205]) Sleeve for power switch board [P8206] Cable tie Ground screw IEC mains socket...

  • Page 25: Figure 2.8-2: Remove Flat Push Connectors

    Figure 2.8-2: Remove flat push connectors C. The power button (with the HHB logo) is removed by pulling it gently away from the front of the unit (Figure 2.8-3, which also shows the removed button). Figure 2.8-3: Remove the power button D.

  • Page 26: Pcbs Overview

    3 PCBs overview 3.1 Motherboard [P8200] The motherboard is the most important PCB inside the CDR-882. It includes the main processor, RAM and flash memory, along with a CPLD, two audio codecs, the digital transmitter and receiver, the asynchronous sample rate converter and many other components.
  • Page 27 A. The DSP: BlackFin ADSP-BF532 embedded processor B. 32 MB SDRAM memory: Micron MT48LC16M16A2 C. 2 MB flash memory: ST M29W160EB D. Complex Programmable Logic Device (CPLD): Altera MAX II CPLD E. Main audio codec : AKM AK4620BVF F. Headphones audio codec : AKM AK4386 G.

  • Page 28: Switches Board [P8201]

    3.2 Switches board [P8201] The switches board is fitted behind the front panel and includes all the buttons in the front panel along with the bargraph meter and other LEDs. Figure 3.2-1: Switches board Figure 3.2-2: Switches board with the most important components highlighted Figure 3.2-1 shows a picture of the board while Figure 3.2-2 highlights the most important components and connectors on it: 23 buttons on the front panel...

  • Page 29: Rear Board [P8202]

    3.3 Rear board [P8202] The rear board sits on top of the motherboard and includes most of the digital inputs and outputs of the machine. Figure 3.3-1: Rear board Figure 3.3-2: Rear board with the most important components highlighted Figure 3.3-1 shows a picture of the rear board while Figure 3.3-2 highlights the most important ICs and connectors on it: A) Differential line receiver: TI AM26LV32 B) Socket for FFC to motherboard...

  • Page 30: Headphones Board [P8203]

    3.4 Headphones board [P8203] The headphones board only includes the headphone jack socket and a volume shaft. Figure 3.4-1: Headphones board Figure 3.4-2: Headphones board with the components highlighted Figure 3.4-1 shows the headphones board. Figure 3.4-2 highlights its components: Headphones socket Volume pot shaft Connector to motherboard...

  • Page 31: Ps2 Board [P8204]

    3.5 PS2 board [P8204] The PS2 board includes the analogue rec level and AMS shafts and the PS/2 keyboard connector. Figure 3.5-1: PS2 board Figure 3.5-2: PS2 board with the components highlighted Figure 3.5-1 shows the headphones board, while Figure 3.5-2 highlights the components: PS2 socket Analogue REC level pot shaft...

  • Page 32: Power Switch Backlight Board [P8205]

    3.6 Power switch backlight board [P8205] Figure 3.6-1 and Figure 3.6-2 show both the power switch light board. Figure 3.6-1: Power switch light board Figure 3.6-2: Power switch light board For further PCB layout and schematics please check the high resolution .pdf files included in the PCBs and Schematics folders respectively.

  • Page 33: Power Switch Board [P8206]

    3.7 Power switch board [P8206] The power switch board is made up of the switch shaft itself and a 7x1 “molex-type” socket. Figure 3.7-1: Power switch board Figure 3.7-2: Power switch board with the components highlighted Figure 3.7-1 shows the headphones board, while Figure 3.7-2 highlights the components: Power switch shaft 7x1 connector...

  • Page 34: Fault Finding

    Are 3.3V and 2.5V present in test points TP2 and TP3 of the motherboard [P8200] respectively? Please contact HHB for help with this fault If 3.3V is not present at TP2, then DC-DC converter U27 is faulty. If 2.5V is not present at TP3, then DC-DC converter U26 is faulty. If faulty, replace the component.

  • Page 35: Some Buttons Don't Respond Or Some Led Don't Flash

    (“T” in Figure 3.1-2) may be loose. The connector at both ends (motherboard [P8200] and switches board [P8201]) may also be faulty. Please contact HHB for help with this fault 4.3 Some buttons don’t respond or some LED don’t flash Question #1...

  • Page 36: Firmware Updates

    5.1 CDR-882 firmware update To perform a firmware update, proceed as follows: 1. Download the new firmware from www.hhb.co.uk. It will be in the form of a .wav file. 2. Save it to a suitable location 3. Using the CD burning application you have on your computer (such as Nero or Roxio), create a CD containing the .wav file.

  • Page 37: Drive Firmware Update

    9. When the disc has been read, the drive tray opens automatically; the disc may now be removed. The disc tray will not close automatically; this is normal 10. Reboot the unit by powering off, then back on. Further internal file re-writing may now take place if included in the update;...

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