Motorola Radio Mcs2000 Vol 1 68p81083c20 A Manual
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Disassembly & Reassembly and Replacement Procedures 5-15 driver (see Figure 5-7). Install the remaining screws (except the three screws that retain the PA shield) with 6-8 in lbs of torque using a T-10 Torx driver. 9.On Mid Power Models Only: Install the PCB and Audio PA clips. 10. Insert the PA shield. Tighten the three screws that hold it to the PCB and the one screw in the middle of the board with 6-8 in lbs of torque using a T-10 Torx driver. 11.On Low Power Models: Install the Cavity Shield and press down until it locks on the chassis tabs. Ensure that ALL cavity shield tabs engage properly. Failure to do this may inhibit the top cover from engaging properly and could damage the top cover. 12. Place a new cover gasket around the chassis ensuring that it is placed under the locking tabs and ledge at the front of the chassis. To ensure that the gasket remains seated along the groove, twist the gasket between Þngers down and toward the chassis on both sides of the chassis. 13. Install the top cover by engaging the hooks on front of the chassis and rotating the cover back. Ensure that the side snaps on the cover are engaged. 14. Install the front cover gasket over the front of the transceiver ensuring that the rectangular hole in the transceiver aligns with the rectangular hole in the gasket. Press the gasket ßush against the transceiver to ensure proper sealing. Assembly of Control Head to Transceiver DASH MOUNT MODELS 1.For Model I: Install dash mount conÞgured control head onto the transceiver. Ensure that the side snaps are engaged. For Models II and III: Install the retention frame over the front of the transceiver. Install the dash mount conÞgured control head onto the transceiver. Slide the retention frame toward the control head until both snaps engage. R EMOTE MOUNT MODELS 1. Install the 18 position connector into the female connector (mounted on the PC board) through the hole in the front of the chassis. 2. Install the remote header retainer into the recess for the rectangular cutout in the remote front housing. 3. Install the remote front housing over the 18 position connector onto the front of the transceiver ensuring that both snaps are engaged. 4. Connect the remote mount cable to the transceiver and to the remote mount conÞgured control head. ! C a u t i o n
5-16 Disassembly & Reassembly and Replacement Procedures Transceiver Reassembly High Power Models Replace all gaskets at each servicing to ensure proper sealing of unit. 1. Inspect and reapply a thin coat of thermal compound as necessary to the heatsinking pads, voltage regulator and Audio PA areas in the chassis per Figure 5-17. A thick coat of thermal compound may negatively effect heat sinking. Figure 5-17 WakeÞeld / Thermal Compound Application Area 2. Insert the transceiver board placing board slots over locating features in chassis. Be sure the board is sitting ßush on the chassis mounting surface. Figure 5-18 Inserting Transceiver Board Note Apply Thermal Compound to this portion of chassis wall Apply Thermal Compound to these raised areas Transceiver board Spring Diode Chassis locating features
Disassembly & Reassembly and Replacement Procedures 5-17 3. Replace the 25-D connector gasket on the transceiver board. 4. Replace the RF and power connector gaskets on the PA board. 5. Install the PA board carefully at an appropriate angle (approximately 30 o) to the chassis connecting the 2 and 12 pin connectors to the RF board. 6. Install the 2 PA connector retaining clips over the RF and power connectors and chassis wall. Observe the screw-down sequence in Figure 5-19 when installing screws. Proper alignment of boards depend on following this sequence. 7. Fasten screws #1-6 to 12 in lbs of torque using a T-8 Torx driver. Fasten the remaining screws (#7-20 for VHF models, #7-22 for UHF models) to 6-8 in lbs of torque using a T-10 Torx driver following the screw down sequence in Figure 5-19. Figure 5-19 Reassembly Screw Down Sequence Note 1122334142566 77 88 9910101111 1212 13131414 1515 16161717 1818 192020 21212222 VHFUHF 1122334142566 16161515 77 88 121211111010 14141717 99 19 1313 2222 1818 2020 2121 20232024
5-18 Disassembly & Reassembly and Replacement Procedures8. Install the Audio PA clip to the corner of the chassis (per Figure 5-20) by applying downward, equal pressure to the side and main tab of the clip. Side pressure on the clip will negatively impact heat sinking of the 5 V Regulator and Audio PA. The placement tab should rest ßush against the top of the chassis wall. Figure 5-20 Inserting Audio PA Clip 9. Install the RF shield by placing it over the chassis with the front and back tabs inside the chassis and side tabs outside the chassis walls. Push straight down applying even pressure to the edges of the shield until they rest ßush on the chassis wall. Repeat the same operation for the PA shield. 10. Insert the 18 position connector (black side) through the opening in the chassis into the female connector on the RF board. The 18 position connector is not symmetrical, therefore the black side must mate to the connector on the transceiver board. 11. Place a new cover gasket around the chassis being sure it is placed under the locking tabs and the v-shaped rail shown in Figure 5-21. To ensure that the gasket remains seated under the rail, twist the gasket up and toward chassis between the Þngers at the location of the lowest point of ÒVÓ. Position the gasket under the rail and release. 12. Insert the 18 position connector (white side) into the female connector through the hole in the front of the chassis. 13. Carefully guide the bottom cover front hole opening over the 18 position connector. Engage the bottom cover over the hooks at the front of the chassis, rotate the cover back over the chassis, and press down until the sides snap into place. Pressure PointsGuide Rail Audio PA Clip 18 Position Connector, Female Note
Disassembly & Reassembly and Replacement Procedures 5-19Figure 5-21 Installing Cover Gasket 14. Install the accessory connector assembly through the bottom side of the radio. Be sure to install the connector straight down into the unit because otherwise it will catch on the housing and no connection will be made. The radio will not function without the accessory connector. Locking Tab (other tab on opposite side of chassis) Lowest point of gasket locating feature ÒVÓ Gasket twist direction Note
5-20 Disassembly & Reassembly and Replacement Procedures Replaceable Pushbuttons Replacement Procedure Availability of replaceable pushbutton control heads depends upon date order was placed, shipped and based upon options ordered. Contact your Parts division for aftermarket kits and parts. Models II & III KEYPAD WITH REPLACEABLE PUSHBUTTONS There are Þve sizes of replaceable pushbuttons, which are designated sizes A, B, C, and D. The locations and sizes of the Model I, II and III replaceable pushbuttons are shown in Figure 5-22, Figure 5-23 and Figure 5-24, respectively. All available replaceable pushbuttons, cross-referenced to their legend descriptions, colors, sizes and part numbers are listed in see Table 5-1 on page 523 Figure 5-22 Model I Replaceable Pushbuttons Figure 5-23 Model II Replaceable Pushbuttons Figure 5-24 Model III Replaceable Pushbuttons Note EE EE E BBB B BB A A A C C CC A D D D D D D D D D D DDAAA BBB B BB A A A
Disassembly & Reassembly and Replacement Procedures 5-21 Replaceable pushbuttons can be replaced in two ways: ¥ while the control head is disassembled or ¥ while the control heads is assembled. Replacement in Disassembled Control HeadTo replace buttons in a control head that is already disassembled, follow the procedure below. 1. Pull replaceable pushbutton up and out of housing. 2. Replace buttons as necessary per Table 5-1, ÒReplaceable Pushbutton Graphics and Part Numbers,Ó on page 5-23. 3. Place the keypad into the control head housing. 4. Snap the light pipe into the housing. Alternate engaging snaps on each side for best result. 5. Make sure that both the volume knob and potentiometer are both fully in the counter clockwise position before assembling the board into the housing. 6. Snap the board assembly into the housing. 7. For model ÒIIÓ only, attach the large rotary knob. Replacement in Assembled Control HeadTo replace buttons in a control head that is already assembled, follow the procedure below: The replaceable style pushbuttons have two expandable tabs on the inside edge, one on the top and one on the bottom. When expanded, these tabs press against the inside surface of the control head faceplate and hold the pushbutton in place. To replace a pushbutton, refer to Figure 5-25 and Figure 5-26 and proceed as follows: Be careful to avoid damaging surface of control head front panel when using ßat end pliers to grasp pushbutton to be removed. 1. Grasp pushbutton to be removed with ßat end pliers (Motorola Part Number 6685629A01) as close as possible to control head faceplate. In step 2 below, to avoid damage to pushbutton, compress pushbutton only enough to allow tabs on pushbutton to clear edges of hole in faceplate. 2. Compress pushbutton just enough so that the tabs can clear the control head faceplate. Then pull pushbutton away from control head. 3. Orient the new pushbutton so that legend is oriented correctly. No tools are required to perform Step 4. below. 4. Snap replacement pushbutton into opening in control panel faceplate. ! C a u t i o n ! C a u t i o n Note
5-22 Disassembly & Reassembly and Replacement Procedures5. Verify that tabs on replacement pushbutton are engaged behind control head faceplate and that pushbutton operates freely. 6. Using RSS software and manual, reprogram the radio so that replaced pushbutton has the desired function. Figure 5-25 Grasping Pushbutton with Flat End Pliers Figure 5-26 Pulling Pushbutton Away from Control Head MCS 2000 MEPC-96618-O/None Ta b Ta bPlier Nibs PushbuttonControl Head Faceplate MCS 2000 MEPC-96619-O/GB
Disassembly & Reassembly and Replacement Procedures 5-23 Table 5-1 Replaceable Pushbutton Graphics and Part Numbers Graphic Pushbutton Part Number Legend Description Color Size A Size B Size C Size D Size E BLANKBlank White 3805230Z01 3805231Z01 3805232Z01 3805233Z01 3805234Z01 BLANKBlank Orange 3805230Z18 3805231Z14 3805232Z10 N/A 3805234Z10 AA Black 3805230Z42 3805231Z42 3805232Z42 N/A 3805234Z40 BB Black 3805230Z43 3805231Z43 3805232Z43 N/A 3805234Z41 CC Black 3805230Z44 3805231Z44 3805232Z44 N/A 3805234Z42 CallCall Black 3805230Z21 3805231Z07 3805232Z13 N/A 3805234Z13 DD Black 3805230Z45 3805231Z45 3805232Z45 N/A 3805234Z43 DelDelete Black 3805230Z35 3805231Z35 3805232Z35 N/A 3805234Z14 DimDim Black 3805230Z12 3805231Z17 3805232Z14 N/A 3805234Z15 DirDir Black 3805230Z38 3805231Z38 3805232Z38 N/A 3805234Z36 EmerEmergency White 3805230Z22 3805231Z09 3805232Z15 N/A 3805234Z16 EmerEmergency Orange 3805230Z20 3805231Z16 3805232Z12 N/A 3805234Z12 H/LHorn/Light Black 3805230Z23 3805231Z04 3805232Z16 N/A 3805234Z17 HomeHome Black 3805230Z10 3805231Z18 3805232Z03 N/A 3805234Z18 MenuMenu Black 3805230Z09 3805231Z19 3805232Z04 N/A 3805234Z05 MessMessage Black 3805230Z46 3805231Z46 N/A N/A N/A MonMonitor Black 3805230Z33 3805231Z33 3805232Z33 N/A 3805234Z19 MplMpl Black 3805230Z41 3805231Z41 3805232Z41 N/A 3805234Z39 OptOption Black 3805230Z05 3805231Z20 3805232Z02 N/A 3805234Z20 PagePage Black 3805230Z03 3805231Z08 3805232Z17 N/A 3805234Z21 PhonPhone Black 3805230Z24 3805231Z05 3805232Z18 N/A 3805234Z22 PwrPower Black 3805230Z39 3805231Z39 3805232Z39 N/A 3805234Z37 ReadRead Black 3805230Z48 3805231Z48 N/A N/A N/A RclRecall Black 3805230Z36 3805231Z36 3805232Z36 N/A 3805234Z34 SMenu Black 3805230Z16 3805231Z21 3805232Z06 N/A 3805234Z08 ScanScan Black 3805230Z25 3805231Z06 3805232Z19 N/A 3805234Z23 SecSecure Black 3805230Z34 3805231Z34 3805232Z34 N/A 3805234Z24 SelSelect Black 3805230Z08 3805231Z22 3805232Z05 N/A 3805234Z06 SiteSite Black 3805230Z37 3805231Z37 3805232Z37 N/A 3805234Z35 SrchSearch Black 3805230Z11 3805231Z23 3805232Z20 N/A 3805234Z25 StatStatus Black 3805230Z47 3805231Z47 N/A N/A N/A SysSystem Black 3805230Z40 3805231Z40 3805232Z40 N/A 3805234Z38 ZoneZone Black 3805230Z02 3805231Z24 3805232Z21 N/A 3805234Z26
5-24 Disassembly & Reassembly and Replacement Procedures Call Symbol Black 3805230Z26 3805231Z13 3805232Z22 N/A 3805234Z07 Emergency SymbolWhite 3805230Z27 3805231Z02 3805232Z23 N/A 3805234Z02 Emergency SymbolOrange 3805230Z19 3805231Z15 3805232Z11 N/A 3805234Z11 Horn/Light SymbolBlack 3805230Z28 3805231Z10 3805232Z24 N/A 3805234Z27 Home SymbolBlack 3805230Z29 3805231Z25 3805232Z09 N/A 3805234Z28 Monitor SymbolBlack 3805230Z04 3805231Z26 3805232Z25 N/A 380523«4Z29 Option SymbolBlack 3805230Z15 3805231Z27 3805232Z08 N/A 3805234Z30 Page SymbolBlack 3805230Z14 3805231Z28 3805232Z26 N/A 3805234Z31 Phone SymbolBlack 3805230Z30 3805231Z11 3805232Z27 N/A 3805234Z04 Scan SymbolBlack 3805230Z31 3805231Z12 3805232Z28 N/A 3805234Z03 Secure SymbolBlack 3805230Z32 3805231Z03 3805232Z29 N/A 3805234Z32 Select SymbolBlack 3805230Z17 3805231Z29 3805232Z07 N/A 3805234Z09 Up Arrow SymbolBlack 3805230Z06 3805231Z30 3805232Z30 N/A N/A Down Arrow SymbolBlack 3805230Z07 3805231Z31 3805232Z31 N/A N/A Zone SymbolBlack 3805230Z13 3805231Z32 3805232Z32 N/A 3805234Z33 Graphic Pushbutton Part Number Legend Description Color Size A Size B Size C Size D Size E