Timewave PK-232SC Hardware Installation Manual
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Timewave PK-232SC Hardware Installation Manual

Upgrade hardware installation manual for upgrade kit
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PK-232SC Upgrade
Hardware Installation
Manual
for
Upgrade Kit p/n A.06140
Revision 2.1a
Note:
This manual covers installation of 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 describes the modes and features found in the
original PK-232 and PK-232MBX.
The DSP manual supplement describes the DSP board features.
1

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Summary of Contents for Timewave PK-232SC

  • Page 1 This manual covers installation of 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 describes the modes and features found in the original PK-232 and PK-232MBX.
  • Page 2 If your A.06140 fails in normal use because of a defect in workmanship or materials within one year of the date of purchase, we will repair or replace (at our option) the equipment at our factory without charge to you. Timewave will pay for the return of the warranty-repaired unit to you.

  • Page 3: Table Of Contents

    DSP Jumper ..........................31 Sound Card Audio Jumpers ....................31 USB power Jumpers ....................... 31 Rig control serial port Jumpers ....................31 Trimpot settings ........................32 SC Board Parts Layout ........................33 DTR PTT option for the PK-232SC ....................36...

  • Page 5: Introduction

    Introduction Thank you for purchasing the PK-232SC upgrade kit for the PK- 232. The Timewave part number of this kit is A.06140. Please carefully install the SC upgrade kit according to the following instructions. The best way to have a successful installation is to preview this manual completely before starting.

  • Page 6: Contents Of The Sc Upgrade Kit

    Contents of the SC upgrade kit • SC board assembly • 1 PK-232SC housing top assembly with SC/TNC switch & LED assemblies • 6 Black 6-32x0.5 phillips head screws • Zinc 6-32x0.375 phillips head screws • 1 Zinc 6-32x0.50 phillips head screws •...

  • Page 7: Required Tools

    Required Tools You will need the 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 braid, de-soldering vacuum pump, etc.)

  • Page 8: Pk-232 Disassembly

    PK-232 Disassembly Complete all disassembly steps before starting the new assembly steps! ____ 1) Remove all cables and power from unit. ____ 2) Remove the six screws holding the top cover on the unit. ____ 3) Remove the top cover. ____ 4) If you have a PK-232MBX with a daughter board, temporarily remove the MBX board.
  • Page 9 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 resistor R28 - 10 Ohm -(brown-black-black.) You can just clip the leads near the body of the resistor.
  • Page 10 Do not burn the PC board with excess heat! Do not damage the vias or traces on the PC board! ____ 19) If you have a Timewave USB adapter module installed in place of the 25 pin DB RS-232 connector, remove the USB module.

  • Page 11: Pk-232Sc Assembly Instructions

    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 ___ 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: Pk-232 Serial Interface Connections

    PK-232 Serial interface Connections These connections are near the left back corner of the 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 models with MBX daughter boards have this configuration.
  • Page 14 Figure 1A –Serial connections - SC cable plugged into sockets ____ 1) Plug cable assembly 1 (white and blue wires) into the U20 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 toward the left edge of the main PK-232 circuit board.
  • Page 15 Configuration 2: U19 and U20 ICs are soldered directly onto the main board (no sockets). Original AEA PK-232 models and some AEA PK-232MBX models with MBX daughter boards have this configuration. See Fig. 1 & ____ 1) Remove U19 ( 14 pin IC) from the main PC board Do not burn the PC board with excess heat! Do not damage the vias or traces on the PC board! ____ 2) Remove U20 (14 pin IC) from the main PC board...

  • Page 16: New Dsp Board Installation

    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.

  • Page 17: Receive Audio Connections

    Receive Audio Connections Figure 4 - RX audio without DSP ____ 1) If your PK232 has a DSP board go to step 6. ____ 2) If your PK232 has no DSP board, 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).
  • Page 18 Figure 5 - RX audio with DSP...
  • Page 19 Figure 6 - RX audio with DSP - detail ____ 6) If your PK-232 has a DSP board remove the wire from the DSP IN to the main board (C54). ____ 7) Solder the orange wire of cable assembly RX-audio to the C54 back pad (located by the fuse).

  • Page 20: Transmit Audio Connections

    Transmit Audio Connections R160 Figure 7 ____ 1) If R-160 is in installed, continue to Step 2). If R-160 is not installed, 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 assembly TX-audio to the R160 front pad.

  • Page 21: Sound Card / Tnc Software Switch Connections

    Sound Card / TNC Software Switch Connections R149 Figure 8 ____ 1) Solder grey wire of cable assembly SC/TNC-R149 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.

  • Page 22: Reset Switch Connections

    Reset Switch Connections 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. Figure 10...

  • Page 24: Main Board Re-Install

    Main Board Re-install Re-install the main board in the housing before you install the SC board. ____1) Replace the main PCB board assembly by tilting the back up and sliding it toward the front into the PK-232 housing. Make sure all the leds on the led board, the threshold control and the DCD led fit cleanly into their holes in the front panel.

  • Page 25: Sc Board Installation

    SC Board Installation Units with MBX daughter board See Figure 12. ____1) Install standoffs in place of 3 main board back screws ____2) Install the MBX board per MBX instructions except: ____3) Install front screw only ____4) Don’t install back screw now ____5) Place spacer on top of MBX board.
  • Page 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: Units Without Mbx Daughterboard

    Fig 14 - SC board connections to main board with MBX board Note: Blue & grey wire DSP board connections and the orange & grey wire connections to the C54 holes may require soldering instead of using the IDC connectors and headers as shown.
  • Page 28 ____13) Plug all the connectors into the corresponding connectors on the SC board. See Figure 15 and Table 1. Fig. 15 - SC board connected 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.
  • Page 29 ____ 17) Install the new top housing on the PK-232. Make sure the connectors on the PK-232 and SC boards line up with the holes on the new top housing back panel. You can make slight position adjustments by loosening the screws on the bottom and top of the standoffs on the PK-232 main and SC boards.
  • Page 30 Table 1: SC Board Connections Cable Wire color PK-232 Back Function Board connector Main Panel Board 2 pin IDC red & black +13V power 2 pin IDC brown Reset PK-232 Switch Reset 2 Pin IDC white & white Reset PK-232 Switch Reset 9 pin IDC...

  • Page 31: Sc Board Settings

    SC Board Settings Remove top housing to set the jumpers. See Figure 16. Jumper settings DSP Jumper JP21 Jumper must be ON for units with a DSP board installed. It must be OFF for all other units. Sound Card Audio Jumpers JP23 sound card Audio in configuration Default –...

  • Page 32: Trimpot Settings

    Trimpot settings RX Sound card audio level in - R28 TX Sound card audio level out - R111 Trimpot RX adjusts the receiver audio signal output level to the sound card input. Use this trimpot to reduce the signal level to the sound card if your received signal level is overdriving your sound card input.

  • Page 33: Sc Board Parts Layout

    SC Board Parts Layout...
  • Page 35 Fig 16 - Parts Layout – SC daughterboard (Note: use computer PDF zoom for high resolution)

  • Page 36: Dtr Ptt Option For The Pk-232Sc

    3. The PK-232SC now has the capability of directly keying the PTT output on the PK-232SC from the DTR control output of the rig control serial port in the PK-232SC. There is an optional connection in the PK-232Sc that enables the DTR PTT switching. You do not need this optional connection if you are not using the DTR PTT switching option! Please see the attached pictures to see this connection.
  • Page 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 DTR PTT option for the PK-232SC Manual Rev. 1.0 3/20/2013 © 2013 Timewave Technology Inc. www.Timewave.com...

This manual is also suitable for:

A.06140

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