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Timewave PK-232SC, Hardware Installation Manual

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Timewave PK-232SC Hardware Installation Manual Download Page 16

16 

 

New DSP Board Installation 

 

If you have a new DSP Board Upgrade Kit that you have not 
installed yet, install the DSP board according to the DSP Board 
installation instructions.  

Exception: Do not install the wire 

connected to the DSP IN pin of the DSP board.

  It will be 

installed in the next section of the SC Board installation.    

 

 

Summary of Contents for PK-232SC

Page 1: ...the features added with the SC version of the PK 232 The PK 232SC Operating Manual covers description and operation of the features added with the SC version of the PK 232 The main PK 232 manual descr...

Page 2: ...e unit to our factory WHAT IS NOT COVERED We cannot be responsible for damage caused by accidents abuse misuse improper installation or unauthorized attempts to repair the unit This warranty does not...

Page 3: ...ections 17 Transmit Audio Connections 20 Sound Card TNC Software Switch Connections 21 Reset Switch Connections 22 Main Board Re install 24 SC Board Installation 25 Units with MBX daughter board 25 Un...

Page 4: ...4...

Page 5: ...before starting Please read before installing this upgrade kit 1 Be sure to download the latest upgrade for ModemSwitch from http www timewave com 2 Check your radio cable to be certain the black wire...

Page 6: ...onnector red black wire assembly 1 2 pin IDC connector grey wire assembly 2 pin IDC connector brown wire attached to reset switch 2 pin IDC connector 2 white wires attached to reset switch 1 Reset swi...

Page 7: ...he following tools to complete this upgrade Solder pencil and solder Needle nose pliers Small side cutters 2 Phillips Screw driver small straight blade screwdriver Solder removal tools de soldering br...

Page 8: ...__ 5B If you have a OVL LED assembly installed unplug the IDC connector from the header next to the red LED on the DSP board ____ 6 Remove the threshold control knob from the front panel Carefully rem...

Page 9: ...hould not remove them If you do not have jumpers on JP4 JP5 JP6 do not install them older AEA models ____ 13 If your PK 232 is equipped with a Timewave reset switch it must be removed ____ 14 Remove r...

Page 10: ...d Use care when removing this part so you do not burn the board The holes will not be used again so you can clip those leads which may be accessible from the rear of the connector on the top of the bo...

Page 11: ...11 PK 232SC Assembly Instructions Wired connections to main board Power Connections 13 8 VDC Ground ____ 1 If your PK 232 has no power jack mounted directly on the board solder JP6 Black to ground pad...

Page 12: ...12 ___ 2 If your PK 232 Board has a power jack installed on the board solder the black wire to the lug on the top of the jack as shown below ___ 3 Solder JP6 Red to front side of D10...

Page 13: ...e PK 232SC main board There are two different configurations of the PK 232 serial connections Configuration 1 U19 and U20 ICs are plugged into sockets Some AEA PK 232 models and some AEA PK 232MBX mod...

Page 14: ...20 socket with the white wire toward the left edge of the main PK 232 circuit board ____ 2 Plug cable assembly 2 violet red green orange and yellow wires into the U19 socket with the violet wire towar...

Page 15: ...om the main PC board Do not burn the PC board with excess heat Do not damage the vias or traces on the PC board ____ 3 Insert a 14 pin DIP IC socket into the U19 holes and solder all 14 pins ____ 4 In...

Page 16: ...de Kit that you have not installed yet install the DSP board according to the DSP Board installation instructions Exception Do not install the wire connected to the DSP IN pin of the DSP board It will...

Page 17: ...oard remove C 54 located near the fuse ____ 3 If your PK232 has no DSP board solder the orange wire of cable assembly RX audio to the C54 back pad located by the fuse ____ 4 If your PK232 has no DSP b...

Page 18: ...18 Figure 5 RX audio with DSP...

Page 19: ...d C54 ____ 7 Solder the orange wire of cable assembly RX audio to the C54 back pad located by the fuse ____ 8 Solder the blue wire of cable assembly RX audio to the IN pad on the DSP board ____ 9 If y...

Page 20: ...ed go to Step 3 ____ 2 Remove resistor R 160 orange orange red located behind the front panel just below Q10 Use needle nose pliers to avoid burning your fingers ____ 3 Solder the white wire of cable...

Page 21: ...49 to the rear lead of R 149 yellow violet red right of Q6 Note The connector on the other end of the grey wire installed in this step will plug into JP19 on the SC board R146 is screened on the board...

Page 22: ...Reset Switch Connections D12 Figure 9 ____ 1 If your PK 232 is a PK 232MBX model without a daughterboard solder red wire of cable assembly Reset Switch to the rear lead of D12 left of C92 See Figure 9...

Page 23: ..._ 2 If your PK 232 is an original PK 232 model with or without a MBX daughterboard solder the red wire of cable assembly Reset Switch to the rear lead of D14 to the right of R167 See Figure 10 D14 Fig...

Page 24: ...hten the nut until after completing the next step ____ 3 Replace all the screws on the bottom of the PK 232 housing that hold the main board in place There may be 6 or 7 screws depending upon the mode...

Page 25: ...all back screw now ____5 Place spacer on top of MBX board See Figure 12 ____6 Carefully place SC board on the standoffs ____7 Place long 1 2 screw in hole on left end of the SC board through spacer th...

Page 26: ...26 Fig 12 Side view of SC MBX main boards with spacer between SC board and MBX board Fig 13 SC board connected to main board with MBX board...

Page 27: ...sing the IDC connectors and headers as shown The SC TNC switch and LED connections are not shown in this view Connect the five pin IDC connector to JP15 and JP18 when you install the top housing Units...

Page 28: ...ected to main board with no MBX board ____ 14 If you do NOT have a DSP board installed remove the jumper on JP21 right front of board on the SC board ____ 15 Remove the two hex jack screws from DB 9 c...

Page 29: ...m and top of the standoffs on the PK 232 main and SC boards After you have made a re alignment be sure to tighten all screws Also check the various cables that run from the back housing to be sure tha...

Page 30: ...serial connection JP9 9 pin IDC red violet green orange yellow U19 PK 232 serial connection JP10 9 pin IDC white blue U19 U20 PK 232 serial connection JP15 5 pin IDC red black SC TNC LED Sound card se...

Page 31: ...must be OFF for all other units Sound Card Audio Jumpers JP23 sound card Audio in configuration Default 1 2 shorted JP17 sound card Audio out configuration Default 1 2 shorted USB power Jumpers JP2 de...

Page 32: ...your sound card input Check the sound card input level indicators on your computer audio control program Trimpot TX adjusts the sound card audio signal output level to the transmitter audio input Use...

Page 33: ...33 SC Board Parts Layout...

Page 34: ...34...

Page 35: ...35 Fig 16 Parts Layout SC daughterboard Note use computer PDF zoom for high resolution...

Page 36: ...tions Center ROC programs can synchronize so all the soundcard modes in HRD can key the PTT output of the PK 232 No additional cables or wiring are required for this method 3 The PK 232SC now has the...

Page 37: ...37 control program and the soundcard program Any time DTR is asserted in either program your radio will be switched into the transmit mode...

Page 38: ...38 DTR PTT option for the PK 232SC Manual Rev 1 0 3 20 2013 2013 Timewave Technology Inc www Timewave com...

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