Peavey DPM 4 User's Manual
Contents
1. fa oj o a o o amp jo fs 10 o Q fo ol FI jo ol ai io al f ie Q Plo ol I jo 3 g oj 8 jo 3 lo ai J jo oO G a Q ljo oj 0 o 10 c 9 Ate o ic o lo o ile oO lo a o Q o oj Place additional Sample ROM in this socket Figure 3 FEMLVEY Features and specifications subject to change without notice Peavey Electronics Corporation 711 A Street Meridian MS 39302 2898 U S A 601 483 5365 Telex 504115 FAX 484 4278 1993 Printed in the U S A 80301442 11 932. 3 fa 6 o i Q Q a a oO a lf O oO io Ol In o o jo o o of Blo o GF _ Oo fl ogo eo o logoj lo g o goti o Bal lo Fo lo Bo Oro mae j E a o oOo jo o p o R e c al jo oO o o 9 Q O E S e JF b 8 e6 e fal G eoogssd ws g installed 3 Factory installed RAM t av ileno000 ra o Peete s Boog l jee TO fe Si ALEEA e sE H a fs i 1 i ee f 0090000090090000 uir j g a8 ESE fi dJo Co AN0 lo oje Eo 2 f SoceooasssooD00G googl Rar aaees 5 obo f f i 2 S ye f j nae Q l Pa i Leen aua g i go ococogcoegeees SoOSHAGODO DOOD 9 ae AEREAS an gt Rae pind 88 3 gt Pin 1 42 ff j y ii Pi idlop oo oppo ccoceue9 S i J i g o a g a o o f 2 ol Rel a X j gt ol 0 Q wo gt ji i Ie oO io l al j o 0 ia ol ia 1 ilo al io ol Boo0o00g0g00N00 1 i Ho ron lo al ie X is fe fe oO og o o 5 oO uwa io o o oj al i q i t st TUe Bo 9 Place additional RAM H 7 i B aR S in these sockets o a o ol lo o oj le i io 9 of to re ol s Lilo o Q o 2 Je o ipego902900000000 oO Q y ro i o Q i Q E E o O 1o Oo a iO Q Q Ho o Q lo oj gt Qi Jo Q a Q Q 9j Q e i a a o Ro t o iiO ai lo Q iG Q o ol e oj IQ Qi jo a Q fe me Qi o e Ql 9 Q e i t o a ia jo Q 19 x amp cdo oj amp jo atic g o KN fey 10 Q o fe e o lO o lo Q o e fe fe jle ol iQ is
3. DPM 4 Memory Board Installation Instructions Note This product should only be installed by an authorized Peavey Dealer or authorized Peavey Service Center to ensure preservation of warranty 1 Save all programs effects sequences and wave samples before proceeding 2 Initialize the memory press and hold the Save Multi on the DPM 3 button and then press the Pause button You will be asked if you really want to initialize Press Enter to initialize 3 Turn the unit off and disconnect it from the AC mains power unplug it from the wall On a flat protected working surface static free turn the unit over on its front panel You will need a Phillips head screwdriver to remove the two screws holding the front panel down and the twelve screws holding the keybed in place Refer to Figure 1 for screw locations Make sure the keybed is supported when you turn the unit right side up Front Keyboard Screws 12 Front Panel ne Tie Down Screws 2 DPM 4 Bottom View Figure 1 4 Open the front panel and remove the keybed The connecting cables are long enough to allow this operation 5 Locate the original Memory Board as illustrated in Figure 2 6 The original Memory Board can be removed by pinching the three nylon standoffs with a pair of needle nose pliers Note It is not necessary to remove the ribbon cable coming across the top of the Memory Board It has enough slack to allow to board to be removed from
4. n all of these installation procedures with pin 1 in the proper orientation refer to Figure 2a For RAM installation place the ICs with pin 1 in the same orientation as those already installed see Figure 3 For Sample ROM installation place the IC with pin 1 in the same orientation as those already installed see Figure 3 For EPROM installation replace the ICs in the same orientation as those removed 11 12 13 13 Visually inspect the changes that have just been performed Reconnect the AC mains plug the unit into the wall and turn the unit on Re initialize the unit following the procedure outlined in step 2 Turn the unit off for several seconds then turn it back on Verify the correct amount of wave memory by pressing the Global button then press the Sample RAM soft button Press the Stats soft button The amount of memory will be displayed in words This means that for one megabyte 1048 KB of memory the unit will display 524kw or half the memory installed there are two bytes to a word Disconnect the AC mains once again unplug the unit from the wall then re install the keybed and fasten down the front panel taking care not to pinch any wires or cables or damage the circuit boards or components during reassembly Re load all previously saved data into the unit i te e o o fo og
5. under it Applying a bit of upward pressure on the board will allow the left side to lift free of the standoffs Once the left side is free of the standoffs carefully slide the board to the left Cunplugging the connector and lift it out Refer to Figure 2 for standoff and connector locations Power Supply Main DSP Logic Board Board Connectors Figure 2 7 Carefully slide the DPM 4 memory Board into place making sure not to bend any connector pins Snap the board down onto the standoffs Make sure the standoffs hold the board firmly in place RAM Installation 8 The DPM 4 Memory Board comes with 512K of RAM pre installed To install an additional 512K of RAM bringing the total to 1 megabyte of RAM the installation of four RAM ICs is required Refer to Figure 3 for proper location of additional RAM ROM Installation 9 The DPM 4 comes with ten megabytes of Sample ROM pre installed An empty socket is provided for future expansion of sample memory via a two megabyte C resulting in a total of twelve megabytes of Sample ROM Refer to Figure 3 for the proper location of the two megabyte Sample ROM IC EPROM Installation 10 To update the operating system version new EPROMs need to be installed These are labeled Hi and Lo and are located on the Main DSP Logic Board Refer to Figure 2 for the proper location of the Hi and Lo EPROM ICs Note It isvery important to place the ICs i
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