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DayStar Digital Genesis MP, Service Manual

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DayStar Digital Genesis MP Service Manual Download Page 80

Appendix C

Genesis MP

80

◆

Battery

Metering battery

BATTERY

3.6 VDC

+/-

.4 VDC

Set the voltmeter to the 10 volts DC scale. Next, hold the positive
probe of the voltmeter to the positive end of the battery (marked
“+” on the logic board) and the negative probe to the negative end
of the battery.

If the battery voltage is below 3.2 volts, replace the battery. Refer
to Chapter 1 of this guide for battery disposal procedures.

Summary of Contents for Genesis MP

Page 1: ...DayStar Digital Inc Technical Support Department 5556 Atlanta Highway Flowery Branch GA 30542 770 967 2077 fax 770 967 3018 http daystar com Service Guide Genesis MP...

Page 2: ...uipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful...

Page 3: ...2 SCSI busses Ethernet 16 bit stereo sound and room for ample memory expansion Then DayStar adds its nPOWER scalable multiprocessing tech nology a fast tray loading CD ROM drive and a solidly built to...

Page 4: ...ttom left and right refer to the unit as viewed from the open side panel in standard operating position The word front always refers to the front panel of the Genesis MP floppy disk side The word rear...

Page 5: ...g terms used in this guide are defined below A amperes mA milliamperes dB decibels mA microamperes GB gigabytes MB megabytes Hz hertz MHz megahertz in inches mm millimeters k 1000 ms milliseconds K 10...

Page 6: ...and output ISDN Integrated Services Digital Network MMU memory management unit n c no connection NVRAM non volatile random access memory PCI Peripheral Component Interconnect industry standard expansi...

Page 7: ...us reducing the life of the device s When handling a device consider the following ways static electricity can be emitted thereby producing various levels of electrostatic volt age levels Working in e...

Page 8: ...screwdrivers snips vac uums that are conductive Genesis MP is Shipped Complete with an Anti Static Wrist Strap The Anti static Wrist Strap shipped with the Genesis MP is a one use disposable safety s...

Page 9: ...or performing procedures other than those specified in your equipment s manual may result in hazardous exposure CAUTION Do not attempt to disassemble the cabinet containing the laser The laser beam us...

Page 10: ...the mother board place the battery into a zip lock wrapper and packaging provided with the replacement battery Mark the zip lock wrapper DEAD and return it to DayStar Digital Inc where it will be dis...

Page 11: ...MP Configurations External Components of Genesis MP Internal Components of Genesis MP AC Power Functional Descriptions Serial Number Genesis MP s serial number should be provided to DayStar Digital I...

Page 12: ...st Ethernet even professional quality audio video capability The number of PCI slots number of DIMM expansion slots maxi mum RAM expansion processor speed storage configuration and other features vary...

Page 13: ...nience receptacle for monitor connection Connecting AC Power to Genesis MP WARNING ALWAYS DISCONNECT POWER FROM GENESIS MP PRIOR TO PERFORMING ANY MAINTENANCE AND OR SERVICE FAILURE TO DISCONNECT POWE...

Page 14: ...the internal external SCSI signals Termination of the drive end of the internal SCSI bus is accom plished by installing the internal drive at the last connector on the internal SCSI cable and enablin...

Page 15: ...Slots The 3 or 6 PCI slots allow for a broad range of expansion cards Performance Tips In the 6 slot Genesis MP the six PCI slots are grouped into two groups of three each Because the circuitry linkin...

Page 16: ...leaving DIMMs can be installed one or more at a time When the startup software detects two DIMMs that are the same size and installed in corresponding slots it configures them as a single 128 bit data...

Page 17: ...th a 1 year limited return to reseller warranty In order to receive your reimbursement you must return to DayStar the defective components or subsystems As an Elite reseller you have the opportunity t...

Page 18: ...o be ordered and inventoried on an as available basis Talk to your technical support representative for further details and ordering requirements Payment and the Return of defective parts To ship repl...

Page 19: ...ST the merchandise will be shipped out the next business day Shipping Methods DayStar Digital Inc will pay to ship merchandise Federal Express Economy to the reseller Returns of defective parts should...

Page 20: ......

Page 21: ...aware of other valuable information resources such as the troubleshooting chapter in the Genesis MP Users Guide and DayStar s site on the World Wide Web http daystar com On DayStar s Web site you ll f...

Page 22: ...Policies to obtain replacement parts from DayStar Index of Troubleshooting Flowcharts The CUDA Chip Power Supply Error Chords The System Display Floppy Drive Hard Drive Peripherals CD ROM The CUDA Ch...

Page 23: ...This procedure resets the CUDA Chip back to its defaults Power Supply In the event the Genesis MP doesn t power up 1 Ensure that AC Power the keyboard and ADB cable are con nected properly Swap keybo...

Page 24: ...board If the power supply and the dual fans power on then replace the motherboard 9 Replace the power supply 10 Replace the nPOWER card Error Chords In the event a one part error chord sounds during t...

Page 25: ...peaker 5 Perform voltage readings see Appendix C Voltage Readings Resolve any problems found 6 Replace power supply 7 Replace nPOWER card 8 Replace motherboard In the event the system shuts down inter...

Page 26: ...and restart to determine if a corrupt preference is causing the problem 4 Remove the Fonts Folder from System Folder and restart to determine if a corrupt font is causing the problem 5 Clear paramete...

Page 27: ...t for the second bong before releasing the keys 9 Remove and test all DIMMs by replacing one at a time Replace any defective DIMMs 10 Replace nPOWER card Display In the event that the system provides...

Page 28: ...sly pressing COMMAND OPTION P R during startup Wait for the second bong before releasing the keys 5 Replace the display card 6 Replace the motherboard 7 Replace the nPOWER card Floppy Disk Drive In th...

Page 29: ...oard In the event the floppy drive attempts to eject the diskette but cannot perform the following procedures 1 Ensure the front panel correctly aligns with the floppy drive 2 Ensure the diskette is i...

Page 30: ...erify that only the last device in the SCSI chain is terminated 4 Ensure SCSI devices are being recognized at the correct addresses by utilizing the nPOWER Control application refer to the Genesis MP...

Page 31: ...supply Peripherals In the event the cursor doesn t move perform the following pro cedures 1 Check the mouse and keyboard connections 2 Inspect the inside of the mouse device for buildup of dirt or oth...

Page 32: ...sent in the 3 slot Genesis MP 6 Replace the motherboard 7 Replace the nPOWER card CD ROM Drive In the event the CD ROM is inoperable perform the following procedures 1 Check with a known good compact...

Page 33: ...Failure to follow proper service procedures could result in damage to the Genesis MP and its component subassemblies damage to periph eral devices and could compromise the operational safety of the u...

Page 34: ...o service a Genesis MP with a heavily damaged chassis contact DayStar Digital to arrange for refitting of the unit Note Many of the repair procedures outlined in this chapter are easier to accomplish...

Page 35: ...D ROM Audio Cable Assembly Drive Power Fan Power Harness Motherboard Power Cable 2 versions Power Switch and Cable Assembly LED and Cable Assembly Speaker and Cable Assembly Bezel Top Cap Assy Bezel C...

Page 36: ...gage the connector lock as you pull the plug Disconnecting power from the nPOWER card 5 Locate and unscrew the two hand screws on either side of the nPOWER card bracket Be careful to support the card...

Page 37: ...OWER card and bracket into Genesis MP by carefully aligning the card over the nPOWER slot on the motherboard and by also aligning the bracket s guide posts into the alignment holes in the chassis Once...

Page 38: ...t down the Genesis MP and remove power from the unit 2 Open Genesis MP loosen the side door panel by following the instructions in the Genesis MP User Guide 3 Put on the anti static wrist strap 4 Remo...

Page 39: ...Motherboard cables 6 of 8 b remove the one or two cables from the lower right hand cor ner of the motherboard Starting at the bottom and moving up the cables are Power Switch Cable Motherboard Power S...

Page 40: ...motherboard in place Replacement of the standoffs can be time consuming Proceed with care 9 Remove the screws holding the motherboard in place Consult the diagrams below for the locations of the screw...

Page 41: ...ffs 6 slot motherboard 11 screw tray Genesis MP Chapter 4 Removal and Replacement 41 Small Screw Large Screw Screw Number Large Screw Large Metal Standoff Large Nylon Standoff Small Screw Small Metal...

Page 42: ...ffs 6 slot motherboard 8 screw tray Chapter 4 Removal and Replacement Genesis MP 42 Small Screw Large Screw Screw Number Large Screw Large Metal Standoff Large Nylon Standoff Small Screw Small Metal S...

Page 43: ...andoffs All 3 slot motherboards Genesis MP Chapter 4 Removal and Replacement 43 Small Screw Large Screw Screw Number Large Screw Large Metal Standoff Large Nylon Standoff Small Screw Small Metal Stand...

Page 44: ...tray for repair of fans or other procedures move on to that work now Return to this section for replacement of the motherboard Replace the motherboard in the reverse order of removal with the followi...

Page 45: ...oard has the appropriate connector for the power switch all DayStar sup plied repair motherboards do before proceeding Adjustment of the Motherboard and Motherboard Tray The motherboard may be adjuste...

Page 46: ...of the motherboard retaining screw to the stripped standoff coat the threads of the screw with Loctite number 242 2 Install the motherboard retaining screw immediately If the screw is removed again f...

Page 47: ...Power Harness See section Drive Power Fan Power Harness IMPORTANT There is limited clearance between the motherboard power con nector and the power supply bracket In rare cases it may be nec essary t...

Page 48: ...er supply 9 Slide the power supply toward the front of the machine and up to remove 10 Unplug the power supply cable assembly from the side of the power supply IMPORTANT Retain the power supply cable...

Page 49: ...rd 2 Remove the motherboard See the section Motherboard 3 Unplug the two connectors powering the 5 25 fans 4 Remove the motherboard tray See the section Motherboard Tray Once the motherboard tray has...

Page 50: ...ve the motherboard tray for replace ment of fans IMPORTANT If you remove the motherboard tray or if you install a different motherboard you must adjust the motherboard tray as described in the section...

Page 51: ...e orientation of the connector before proceeding Before you begin familiarize yourself with the routing of the Motherboard SCSI cable Motherboard SCSI large arrows and floppy cable small arrows routin...

Page 52: ...he CD ROM audio data and power cables from the CD ROM drive and all hard drive data and power cables from the drives 3 Remove the nPOWER card see section nPOWER Daughtercard and any PCI expansion card...

Page 53: ...er Fan Power Harness is composed of the fan power cable and three drive power cables which meet at the power supply drive power plug Two longer drive power cables and the fan power cable are routed be...

Page 54: ...ontinuing Power switch in front panel seen from above Motherboard Power Switch units The Power Switch is located at the top of the front panel and con nects to the motherboard at the lower right hand...

Page 55: ...les as in original unit See section Speaker Cable LED Cable Power Switch Cable Routing Cable routes behind 3 5 drive bay and through slot in Motherboard Tray Carefully install new cable ties at anchor...

Page 56: ...and replacement of the LED and Cable assembly requires removal of the Genesis MP front panel and motherboard Read and understand those procedures before beginning LED in front panel The LED is locate...

Page 57: ...s MP front panel Read and under stand that procedure before beginning Speaker in front panel The Speaker is located at the bottom center of the front panel and connects to the motherboard at the conne...

Page 58: ...cable ties at anchor points Speaker Cable LED Cable Power Switch Cable Routing The speaker cable is routed to the top right of the front panel and into the Genesis MP chassis The speaker cable should...

Page 59: ...bly to the wall of the Genesis MP chassis DayStar recommends that you back up all hard disks before beginning any procedure requiring removal of a hard disk To remove the Genesis MP Front Panel 1 Remo...

Page 60: ...hed to it be careful not to strain the attached wires while the front panel is in this position Support the Genesis MP Front panel so that it does not fall and stress cable subassemblies or cause dama...

Page 61: ...SI peripherals before returning unit to customer Plastic Faceplate Bezels and Front Vent Assembly With the exception of the top cap bezel covering the power on off switch removal and replacement of th...

Page 62: ...is the reverse of removal Audio Video AV Module 3 slot units only The Audio Video AV Module is mounted to the metal AV Panel which is in turn mounted to the rear panel of the Genesis MP You will typic...

Page 63: ...remove the nPOWER proces sor card to provide clearance See section nPOWER Card 3 Disconnect the AV cable from its slot near the nPOWER proces sor card slot Removing the Audio Video AV cable Replacemen...

Page 64: ...Put on your anti static wrist strap 2 Remove the battery cover by placing a thin bladed screw driver between the battery and the black battery cover and gently pushing the tip of the blade away from t...

Page 65: ...enesis MP SCSI bus Floppy Drive Removal and Replacement of the floppy drive is nearly identical to removal and replacement of 5 25 removable media devices The floppy drive differs from other removable...

Page 66: ......

Page 67: ...es or when adding or removing any component Failure to do so could seriously dam age these assemblies and or the system Additionally electric currents can cause damage to oneself or even loss of life...

Page 68: ...alk and Apple GeoPort protocols Serial Port Connector Pin Assignments Pin Name Function 1 HSKo Handshake output 2 HSKi Handshake input or external clock 3 TxD Transmit Data 4 Gnd Ground 5 RxD Receive...

Page 69: ...s Pin Name Description 1 ADB Bidirectional data bus 2 PSW POWER ON signal 3 5V 5 volts 4 GND Ground Ethernet Port Genesis MP has a built in Ethernet Port The Ethernet port con tains two connectors one...

Page 70: ...nnector Pin Assignments Int Ext Signal Signal Pin Pin Name Description 2 8 DB0 Bit 0 of SCSI data bus 4 21 DB1 Bit 1 of SCSI data bus 6 22 DB2 Bit 2 of SCSI data bus 8 10 DB3 Bit 3 of SCSI data bus 10...

Page 71: ...dB Signal to noise ratio 82 dB Note The Apple PlainTalk microphone requires power from the main com puter which it obtains by way of an extra long 4 conductor plug that makes contact with a 5 volt pi...

Page 72: ......

Page 73: ...d that the connector is correctly aligned to its pin assignments Also check to ensure that none of the pins are bent The Internal SCSI Bus The internal SCSI bus is terminated by a 110 passive terminat...

Page 74: ...P has one internal high density floppy disk drive This drive is connected to a 20 pin connector The table lists the Floppy Disk Connector pin assignments Floppy Disk Connector Pin Assignments Pin Sign...

Page 75: ...ctors 3 slot Genesis MP The 3 slot Genesis MP has 4 VRAM DIMMs expansion slots These VRAM RAM expansion slots accept 1 MB VRAM DIMMs that are 32 bit wide 112 pin fast paged mode with 70ns RAM access t...

Page 76: ......

Page 77: ...ct a short circuit in a cable or peripheral it is impera tive that the short circuit be removed before installing replacement parts and powering the unit up Failure to remove a short circuit may cause...

Page 78: ...3 Purple 3 3v Pins 4 5 6 7 8 Black Ground Measuring nPOWER 3 3v supply PURPLE BLACK 3 3 VDC 2 VDC Hard Drive Power Cable Pin 1 Orange 12 VDC Pins 2 3 Black Ground Pin 4 Red 5 VDC Metering drive power...

Page 79: ...oard3 3vsupply PURPLE BLACK 3 3 VDC 2 VDC Motherboard Main Power Supply Pins 1 4 13 16 Red 5 VDC Pins 5 9 17 20 Black Ground Pin 10 n c Pin 11 Blue 12 VDC Pin 12 Yellow Trickle 5 VDC Pin 21 White Pin...

Page 80: ...s DC scale Next hold the positive probe of the voltmeter to the positive end of the battery marked on the logic board and the negative probe to the negative end of the battery If the battery voltage i...

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