Overview The rCube in its simplest form can be thought of as a high performance iPod docking station with more than a few unique features these include. Wireless transmission from either iPod transmitter (Arcam Wand) or USB (Arcam Wave) these are both optional extras. rCubes can transmit to each other from a docked iPod or external source wired source. Internal battery power supply. Easily replaceable iPod header (covered latter in manual). Access Although very compact the rCube is designed to be serviceable with access gained from underneath to all electronic circuits (remove the four rubber feet) you will see four Philips screws, once these are removed the base plate can be lifted away exposing the main circuit board. The main speaker array is not considered a serviceable part but will be available as a complete assembly. Please see detailed exploded view. Circuit description PSU and charge The 19V D.C PSU for the rCube is derived from either an external regulated PSU or if not present from the internal lithium ion battery packs the following is a description of the PSU selection. The external 19V power supply is connected to Con600 and is internally fused by the 4A fuse at location FS600 the rear panel switch can be seen at location SW600(a), D600 is used to prevent reverse bias, D602 and TR600 from a D.C sense circuit this line goes to the main micro at location U301 pin 7. PSU selection is control by the MAX1873 Switch mode Li charge controller at location IC603 the external 19v source can be seen to arrive at pin 15 (DCin) and when present simply by‐passes the chip whilst being monitored by pins 1/2 (current sense) and can be seen to form the 19v source net on the diagram. The internal battery source can be seen connected to CON602 and again travels thru the 2 pole of switches available on SW600(b) D605 and TR603 are used to form simple logic to indicate to micro U301 that battery power is present, D606 allows a path to the main 19v net whilst preventing reverse bias, the Mosfet (M601) is used to enable charge if necessary when power is present – the entire circuit is overseen by the main micro U301 via ...
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PSU and charge continued the feedback given by IC602 allowing for intelligent charging with charge enable provided from the micro via M602 on the control line labeled as charge_enable making a provision for extended cell life. Multiple regulators are used to supply the (low) voltage areas of the design these are 1.4A step down adjustable regulators, REG600 receives a 19v source at pin one the output voltage is set by R601 and R640, Mosfet M600 allows for the PSU disable with the 3V standby supply being tapped of prior to the switch. REG602 and REG603 operate in a similar fashion although utilize the chips own PSU shutdown control option at pin 2 (SD) under control of micro U301, a more conventional regulator is used at location REG601 to provide the 1.8v core supply to U301. IC601 provides a logic switched (EN_iPod_PWR) current limited +5v supply to the iPod to whilst also preventing an over current situation at the rear panel USB input +3v1 this is reported to the main micro via the USB_PWR_FAULT line. REG604 (LDO) provides a 3v1 supply to the Kleer and R.F circuits and is sourced from the +5v supply. IC600 is a charge pump convertor on the +5VA power supply rail. Micro The Micro is shown in two halves on the diagram shown as IC301(a) detailing port allocation and IC301(b) detailing power supply requirements and programming header with reset provided by IC303. PSU requirements include 3V3 STBY and V1.8 (internally generated by the ATMEL) The below table details the IC301 pin allocations and functions Pin Description Associated circuit(s) number 6 AMP_TEMP_COM Pin 32 of power amps and locations IC504 IC505 IC506 7 DC_PWR_PRESENT From TR600 (sheet 6) 9 V_IOUT_POT From IC603 via IC602 MAX1873 (sheet 6) 10 BATT_PWR_PRESENT From TR603 (sheet 6) ...
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IC301 pin allocations and functions continued Pin Description Associated circuit(s) number 14 INT_DISPLAY To top plate display via iPod header board 16 STBY_LED To top plate display via iPod hearer board 24 ACC_POWER From iPod header 25 IPOD_DETECT From iPod Header 26 VID_CABLE_0 From multi pin video connector at location SKT200 27 PSU_DISABLE Regulators RG602 and RG603 28 I2C_SDl Apple authentication chip at location IC300 29 I2c_SDA Apple authentication chip at location IC300 30 UC595_CLK 8 bit shift register at location IC302(A) 31 UC595_DATA 8 bit shift register at location IC302(A) 33 PROGRAM_SW No Fit 34 ...
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Audio in / Video out iPod audio can be seen as IPOD_AUDO_L and IPOD_AUDIO_R this is driven thru the NJM2114 op‐amp at IC201(A/B) before arriving at the DG413 analogue cmos chip at location IC200 (A/B) this switch allows for the routing of either audio from a docked iPod or from the external path via 3.5mm rear panel stereo jack at location SK202 again coming in via a NJN2114 at location IC202 (A/B) also present on this page is the YUV and Composite video outputs these signals are derived directly from the source device and can be seen on circuit as SVID‐C COMP‐Y SVID‐Y COMP‐PR CVBS COMP‐PB Default output is Composite with YUV switched when an “Arcam” YUV cable is inserted and the sense on VID_CABLE_0 and VID_CABLE_1 are triggered. KLEER and DSP All audio signals are routed thru the Analog Devices DSP chip at location IC400 allowing for not only the High/Low pass filtering of channels for the power amp stage but also bespoke audio manipulation, the analogue audio from either docked iPod or Aux L + R in appearing at pins 78/79 – a Wolfson WM8805 running form a ref 11.2896Mhz clock is used primarily for Jitter reduction for the Kleer input chip at Location IC407 – it is important to note that the Kleer Chip is a receiver or transmitter the Kleer chip is under control of the micro at position U301 the receive / transmit circuit can be seen on the R.F amp circuit. Data for transmission from a docked or external source can be seen coming from the DSP as SDATA_DSP_OUT. The E2PROMS at locations IC405 and IC406 are used to store transmit / receive lock history. RF AMP Think of this stage as a transceiver i.e it will both send and receive information from the external target the stage uses toggle switches to effective switch the between the transmit and receive stages. ...
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RF AMP continue The RF stage is both Receive or Transmit (transceiver) allowing Cubes to be linked for docked iPod source and external analogue inputs hence you will see two spate paths that are switched R.F switches seen as IC701 IC702 IC703 two separate Antenna are used and the rCube has the ability to select the most stable aerial at any given time the audio path into/out of the Kleer chip is seen as KL3012 regardless of status – when in receive mode the RF power amp is bypassed by IC701, IC702 in transmission mode both switches are toggled to bring the Saw filter FL700 and Low RF Pass filter FL701 with Power Amp IC704 back in line, The two antenna are connected to the surface mount sockets at SKT700 an SKT701. DAC Filters and Amplifiers Audio arrive the DAC filters and Amplifiers circuit from the DSP as 4 separate channels these being TWEET_L/ TWEET_R/ WOOF_L/ WOOF_R each channel travel thru an identical filter circuit TWEET_L channel will be described. TWEET_R audio arrive at capacitor C508 before traveling into the filter based around the NJM2114 at location IC500 the audio is further filtered by the network of capacitors based around C326 and C327 in combination with C510 – audio then passes into the Volume control IC at location IC501 on pin 1 and can be seen to exit (volume adjusted) on pin 14 – the volume control is under control of the main micro at position U302 via line VOL_CLK / VOL_DAT the line will know be known as TWEET_VOL_R and travels into the Power amp chip at location IC507 (shared with TWEET_VOL_L) this package is driven from the +19v_amp supply and is thermally protect to trigger at 100c / standby and mute control comes from the main micro and temp status of the power amp can be reported to back to the micro. The WOOF_VOL_L and WOOF_VOL_R audio paths use a bridged power amp each seen at locations IC504 and IC05. Display and keyboard The display board is connected to the main board via the iPod header board and it’s primary link on the main board is main micro U301. The board is built around the IC1 a AT42QT1060 6‐channel sensor IC this allows for capacitive sensors as keys and also perform the role of driving the top plate LED’s with exception of Standby LED status red (this comes directly from U301) the chip is supplied by the 3V14 STBY power supply, the reset circuit shown on the circuit was not required by the final design. All LEDs are driven from the +5_DIS rail apart from standby (red) as this is on the 3V14(STBY) rail. ...
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Modes indicated by the standby LED Mode Illumination Standby Red Power on Blue Power on charge Violet Program mode (standby held +5 secs) Flashing red Receiving software Fast (strobe)red Modes indicated by input LED Mode Illumination Syncing to docked iPod Flashing green Sync complete Solid green Mode indicated by wireless LED Mode Illumination No available lock Red Lock present Green Searching for link (hold wireless key +5 secs) Flashing red Mode indicated by Vol + / ‐ LEDS Mode Illumination Mute Both LEDS on green The IR sensor at location RX1 is connected directly to U301 and runs from the 3V14 supply ...
• Navigate to settings (click) • Navigate to about (click) You will now see information regarding the iPods capacity/memory usage navigate to screen four as indicated by the dots at the bottom of the screen and you should see the below or similar. rCube Model rCube Manufacturer Arcam Serial number Version V1.07 **** In this instance we can see that the Software version is V1.07. To update software Download the latest SW version available from support@arcam.co.uk or local distributor. Load this onto a USB memory stick (this needs to be a standard memory stick not on that carries a boot loader such a Cruzors). • With the cube in standby • Press and hold the top plate standby button for +5 seconds • Standby LED should start to flash with a frequency of 2 time a second • Place memory stick in rear panel port • LED will now strobe very quickly and the rCube will reset after 15 seconds • Remove USB stick • Power cycle rCube (rear panel switch) Check that software version is as expected using iPod as in previously explained procedure. ...
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Accidental software mode initialization If the rCube is accidently put into program / update mode – simply power cycle to rCube to return to normal operation. Notes for mac users The USB update should be stick should be formatted to FAT32 standard and the only file present on the stick should be the software update – i.e no indexing files such as DS_Store files, thumbs.db files use a software such Cleanmymac available at http://www.macpaw.com/uk/cleanmymac/features You are interested in the Device Cleanup feature. ...
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DRAWING TITLE SoundCube - Top Level 10_E136 09/09/11 Add test points Filename: L182_1.0 SoundCube Top level.SchDoc 10_E074 30/03/10 Remove sense star connection ARCAM Notes: 10_E001 05-01-10 None to this sheet A & R Cambridge Ltd. 09_E142 08-07-09 Prototype release Pembroke Avenue ECO No.
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Add test points Correct grounding scheme for video connectors Filename: L182_1.0 SoundCube audio in video out.SchDoc 10_E074 30/03/10 ARCAM Correct -ve input to input op amps Notes: 10_E001 05-01-10 Change op amps to unity gain single ended A & R Cambridge Ltd.
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SoundCube - Micro 10_E136 09/09/11 Add test points Filename: L182_1.0 SoundCube Micro.SchDoc 10_E074 30/03/10 None to this sheet ARCAM 12MHz crystal, authentication IC package change Notes: 10_E001 05-01-10 Program line pulled high, dbug header changed A & R Cambridge Ltd. 09_E142 08-07-09...
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09/09/11 Add test points 74HC125D SO-14 Filename: L182_1.0 SoundCube kleer + DSP.SchDoc 10_E074 30/03/10 None to this sheet ARCAM Notes: 10_E001 05-01-10 SPDIF input to 8805 / DSP removed A & R Cambridge Ltd. 09_E142 08-07-09 Prototype release Pembroke Avenue ECO No.
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P0P5120TP P0R56002 P0R56002 P0R56002 P0R56002 P0R56001 P0R56001 P0R56001 P0R56001 P0AMP0TEMP0COM* P0AMP0TEMP0COM* ARCAM Add amp output filter, remove option resistors P512 C568 0W063 Notes: 10_E001 05-01-10 Added WWi caps to all volume control IC pins 100N 0603 A & R Cambridge Ltd.
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0603 Remove sense star and av return from star point Filename: L182_1.0 SoundCube PSU + charge.SchDoc 10_E074 30/03/10 ARCAM Change 5V regulator, remove additonal grounds M600 changed to N type and footprint corrected R612 changed Notes: 10_E001 05-01-10 to 1k8, CON602 pin out change to put on bottom of PCB A &...
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SN74LVC2G04DCKR SoundCube - RF Amp 10_E136 09/09/11 Add test points Filename: L182_1.0 SoundCube RF amp.SchDoc 10_E074 30/03/10 Kleer value recomendations ARCAM Notes: 10_E001 05-01-10 None to this sheet A & R Cambridge Ltd. 09_E142 08-07-09 Prototype release Pembroke Avenue ECO No.
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10_E118 19/8/10 Change R9/R11 to 75R Change IR rx footprint to correct pin reversal Filename: L194_C.1 SoundCube Display.SchDoc 10_E074 04/03/10 ARCAM Green LED drive resistors changed Notes: 10_E001 17/12/09 Change to touch sensitive buttons A & R Cambridge Ltd. 09_E140...
ECO NR. DATE CHG. ZONE DESCRIPTION OF CHANGE REL. DR. CHK. ITEM NO. PART No. DESCRIPTION F075 / F075W FOOT 3M BUMPON SJ-5012 E867CP / E867CPW BOTTOM COVER PLATE - CUBE E390AY BATTERY ASSMEBLY - CUBE 23425 DRAWN BY: 12-10-2010 DATE: A &...
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ECO NR. DATE CHG. ZONE DESCRIPTION OF CHANGE REL. DR. CHK. ITEM NO. PART No. DESCRIPTION L182AY PCB ASSY - MAIN HA6L12B CAP HEAD BOLT M6x12 E977PM TRIM RING - ENCLOSURE - CUBE 23425 DRAWN BY: 12-10-2010 DATE: A & R CAMBRIDGE LTD ALL DIMENSIONS IN TOLERANCES UNLESS 0.00±...
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ECO NR. DATE CHG. ZONE DESCRIPTION OF CHANGE REL. DR. CHK. ITEM NO. PART No. DESCRIPTION E105MC / E105MCW BASE CASTING - CUBE E977PM TRIM RING - ENCLOSURE - CUBE E850AP FOAM PAD - BATTERY COMPARTMENT E851AP FOAM STRIP - BATTERY COMPARTMENT 23425 DRAWN BY: 12-10-2010...
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ECO NR. DATE CHG. ZONE DESCRIPTION OF CHANGE REL. DR. CHK. ITEM NO. PART No. DESCRIPTION E398AY / E398AYW DOCK ASSEMBLY - CUBE F327 SPRING - REMOVABLE DOCK - CUBE 23425 DRAWN BY: 13-9-2010 DATE: A & R CAMBRIDGE LTD ALL DIMENSIONS IN TOLERANCES UNLESS 0.00±...
TO REPLACE iPOD PCB !! ANTI-STATIC PRECAUTIONS MUST BE TAKEN TO AVOID DAMAGE TO ELECTRONIC COMPONENTS 5. UNDO iPOD PCB SCREWS & 3. HINGE DOCK UPWARDS TO 4. DISCONNECT FLEXFOILS & 1. PARTLY OPEN DOCK FLAP 2. SLIDE DOCK REARWARDS REMOVE RETAINING BAR, REVEAL FLEXFOIL CABLES HINGE DOCK FULLY UPWARDS...
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No part of this document may be reproduced of transmitted in any form or by any means, electronic or mechanical, for any purpose without the express permission of A&R Cambridge ltd. This manual is for the exclusive use of A&R Cambridge ltd, it’s approved distributors and affiliated service agents, No part of this manual may be transferred to any other party without express permission of A&R Cambridge ltd. This manual has been generated with great care, it is intended for information only and no liability shall be accepted for errors or changes to specification. A&R Cambridge Ltd Pembroke Avenue Waterbeach Cambridge England CB25 9QR +44 (0)1223 203200 www.arcam.co.uk ...