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TITLE 

Model 

DOCUMENT NO. 

PAGE 

CN70 Service Work Instructions 

CN70A,CN70E 

SWICN70-000 

Page 

8

 of 

45

 

 

 

 

 
 

 

OPERATION:

 

Bottom Housing 

 

The bottom housing will need to be removed to access internal assemblies or if it needs to be replaced. The CN70A 
bottom housing is secured with 8 screws while the CN70E bottom housing is secured with 10 screws.  
 

Tools Required 

Description 

Part Number 

T10 Torx driver  

 

 
Parts Required 

Item  Part Number 

Description 

Qty 

715-564S-004 

CN70A Spare Bottom Housing  

715-565S-004 

CN70E Spare Bottom Housing 

643-051-001 

Plug 

800-570-002 

SCREW 4-40X1/2 PH TORX W/NYL CRES ROHS 

8-10 

655-334-001 

Spacer, ZIF  (for CN70A) 

906-016-002 

Kapton tape (for CN70E) (use 1.7 inches) 

715-627S-005 

Cover BtmassyStrght CDMA SWA Spare CN70 

715-627S-006 

Cover,Btmassy Strght GOBI SWA Spare CN70  (see NOTE 1) 

 

715-564S-006 

Housing,Bottom Potted Assy Geopost (see NOTE 2) 

NOTE 1:  The GOBI bottom for Southwest Airlines (SWA) does not have a handstrap or stylus installed.  Otherwise 
the Southwest Airlines spare bottom housings are mechanically the same. 
NOTE 2:  The bottom Geopost configuration CN70AN3

G

CU3AN100 has a different handstrap custom for Geopost. 

Otherwise the bottom housing is the same as for standard CN70A. 
 

 

 

 

Continued on next page… 

Summary of Contents for CN70 Series

Page 1: ... proper antenna wire routing 4 7 15 26 28 31 32 Aaron Ward C 333989 Extensive numerous updates to reflect part number corrections changes and additions since original release Dave Cook D 334270 Updated with details on Government configurations also added repair and test flow Aaron Ward E 335283 Added part numbers and repair information for changes driven by Pasion refresh program New keypads keybo...

Page 2: ... Side Scan Buttons 13 Vibrator Motor 14 Core Assembly 15 Battery Board 16 Scan Bracket Assembly 17 Side Scan PCB s 20 Keyboard PCB 21 Top Housing 23 LCD Display Touch Panel 25 WAN GPS Radio Assembly 30 WAN WiFi Antenna 33 Camera 35 EA30 Scan Engine 37 Main Logic Board 39 WAN Radio Supercap 41 Magnesium Frame 42 Labeling 43 Government HERO Hazards of Electromagnetic Radiation to Ordnance Tags 44 Sc...

Page 3: ...efault CStore load Non LP OS 4 70 Series BIT Test Procedure OTPCN70 009 WorkManager Run built in test procedure installs and runs on the unit being tested 5 CN70 OS Flash Update Procedure OTPCN70 005 WorkManager Alternate process used in manufacturing to load the core operating system Not typically used in service 5 Load OS per unit s configuration SAP BOM SAP OS installed using an SD card This st...

Page 4: ...lot in the bottom cover to remove and or replace it Installation is reverse order of removal The CN70A CN70E use the same part Do not use the original gray colored stylus All stylus replacement should use the blue colored stylus Parts Required Item Part Number Description Qty 714 738S 002 Stylus 1 Remove stylus from bottom housing Unloop tether from slot in bottom housing Correct Stylus Do Not Use...

Page 5: ...lade screwdriver tweezers Parts Required Item Part Number Description Qty 1 825 210 001 Handstrap CN70A 1 2 655 195 001 Retaining pin for CN70A 1 3 825 211 001 Handstrap CN70E 1 4 815 085S 001 Strap Hand Spare CN70 used on Southwest Airline CN70A 1 825 236 001 HANDSTRAP ASSY 5 LOOP GEOPOST 1 NOTE The Southwest Airlines Handstrap is slightly longer than the standard 815 210 001 1 Unclip the handstr...

Page 6: ... useful here since the pin fits tight in the battery latch Remove the retaining pin and slide the webbing out of the slot in the battery latch For a CN70E unclip the lower end of the strap from the bottom housing CN70A CN70A CN70E Installation is reverse order of removal When re installing the pin in a CN70A be sure to give the handstrap webbing a good pull to seat the pin back into the battery la...

Page 7: ...oard option NS 1 CN70A QWERTY Overlay CN70A Numeric Overlay CN70E QWERTY Overlay CN70E Numeric Overlay Removal Using the tip of a small straight bladed screwdriver or other thin edge tool peel back an edge of the overlay from the top housing Then grasp that edge with your fingers and remove the overlay the rest of the way Installation 1 Select the appropriate replacement overlay 2 Prior to install...

Page 8: ...3 051 001 Plug 2 4 800 570 002 SCREW 4 40X1 2 PH TORX W NYL CRES ROHS 8 10 5 655 334 001 Spacer ZIF for CN70A 1 6 906 016 002 Kapton tape for CN70E use 1 7 inches 1 7 715 627S 005 Cover BtmassyStrght CDMA SWA Spare CN70 1 8 715 627S 006 Cover Btmassy Strght GOBI SWA Spare CN70 see NOTE 1 1 715 564S 006 Housing Bottom Potted Assy Geopost see NOTE 2 1 NOTE 1 The GOBI bottom for Southwest Airlines SW...

Page 9: ...l 1 Remove the stylus from its storage slot in the back cover 2 Remove the two plugs that cover a screw at each side of the battery compartment 3 Remove 8 screws 10 for a CN70E with a T10 Torx driver Discard the screws The screws have a one time use seal and new screws must be used when reinstalling the bottom housing CN70A 8 screws CN70E 10 screws Continued on next page ...

Page 10: ...h On a CN70E install a piece of Kapton tape over the latch 3 Position the bottom housing over the top housing and push it down seating it into the overmolded seal around the edge of the top housing NOTE Inspect the top housing seal for any damage Replace the top housing assembly as needed 4 Install 8 screws 10 for a CN70E with a torque driver set to 6 0 0 2 in lb Use new screws and torque down per...

Page 11: ... Scan Window The scan window is not replaceable It is ultrasonically welded to the bottom housing Any scan window failures will require replacing the entire bottom housing Refer to the bottom housing operation Tools Required Description Part Number Parts Required Item Part Number Description Qty Scan Window ...

Page 12: ...RLAY CAMERA 1 819 330 001 OVERLAY CAMERA BLANK Used to cover up camera window holes on non camera configurations 1 NOTE Parts shown are for a CN70 with a camera Removal 1 Remove the bottom housing assembly refer to Bottom Housing operation 2 Using the tip of a small straight bladed screwdriver or other thin edge tool carefully peel back an edge of the overlay from the camera window area and remove...

Page 13: ...2 Removal 1 Remove the bottom housing assembly refer to Bottom Housing operation 2 Using a pair of tweezer grasp a corner of the button assembly needing replacement and pull it away from the bottom housing Remove it completely Installation 1 Ensure that the contact surface area of the bottom housing is clean and free of any adhesive residue left over from the button assembly that was removed 2 Rem...

Page 14: ...tion Part Number T10 Torx driver Parts Required Item Part Number Description Qty 1 324 024 001 Vibrator motor 1 Removal 1 Remove the bottom housing assembly refer to Bottom Housing operation 2 Pull the vibrator motor out of its slot in the bottom housing Installation Installation is reverse order of removal 1 Press the vibrator motor into its slot in the bottom housing 2 Re install the bottom hous...

Page 15: ...ble from the top housing assembly connected to J4 on the main logic board This will need to be disconnected before removing the core assembly from the top housing assembly Installation 1 Insert the magnesium frame tabs along one edge with their mating slots in the top housing Do this at a high enough angle to prevent the touch panel gasket from dragging against the top housing and thus deforming i...

Page 16: ...Housing operation 2 Using a T7 torx driver remove 4 screws that secure the battery board to the core assembly 3 Gently lift the battery board straight off the magnesium frame unplugging it from its connector to the keyboard PCB assembly NOTE CN70A shown below CN70E is similar Installation 1 Position the battery board assembly over the magnesium frame lining its connector up with the mating connect...

Page 17: ...mbly parts Any failure of the bracket itself the speakers the speaker gaskets the scan handle sensor or the harness that connects the speakers and sensor to the main logic board will require that the base scan bracket assembly be replaced The base scan bracket assembly contains these items already factory installed The EA30 scan engine camera WAN WiFi antenna and side scan PCB s can be individuall...

Page 18: ...e top housing assembly not the scan bracket assembly 5 Disconnect the scan engine flex cable and camera flex cable from the main logic board The scan bracket assembly can now be serviced itself or set aside to be re installed later If the base scan bracket assembly is being replaced you will remove the WAN WiFi antenna EA30 scan engine camera and side scan PCB s and transfer them to the replacemen...

Page 19: ...onnect the 802 11 antenna coax to J4 on the main logic board 3 Using a T7 torx driver install 4 screws and secure the scan bracket assembly to the core assembly with 2 5 0 2 in lbs of torque 4 Connect the scan switch speaker cable to the main logic board Make sure the cable is routed through the retention feature in the bracket as shown below 5 Re install the bottom housing assembly Harness routed...

Page 20: ... Item Part Number Description Qty 1 224 873S 0100 Side Button Board 1 2 800 450 003 Thd Form Screw M1 7 x 3mm Flat Hd RoHS 2 Removal 1 Remove the bottom housing assembly refer to Bottom Housing operation 2 Using a 0 Phillips screwdriver remove 2 screws that secure the side scan PCB to the scan bracket assembly Installation 1 Position the side scan PCB at its location on the scan bracket assembly 2...

Page 21: ... 0803 Keyboard A1 A2 QWERTY CN70 conductive traces 1 option 234 262S 0100 PCB Keypad Qwerty A1 A2 Dome Assy snap domes 1 option 224 868S 0403 Keyboard A1 A2 Numeric CN70 conductive traces 1 option 234 265S 0100 PCB Keypad Numeric A1 A2 Dome Assy snap domes 1 2 800 569 001 SCREW 2 56X3 16 FH TORX W NYL CRES ROHS 4 3 655 306 001 Mic Cover 1 Parts Required CN70E Keyboards Item Part Number Description...

Page 22: ...ure the keyboard PCB to the magnesium frame with 2 5 0 2 in lbs of torque 4 If this is a replacement keyboard PCB install a new microphone cover over the new keyboard PCB s microphone If you are re installing the existing keyboard PCB assembly inspect the microphone cover and replace as needed Make sure the microphone cover hole is lined up with the hole in the microphone as shown in the picture b...

Page 23: ...own at right in picture below Units should be repaired with the style of keypad they were built with Do not swap a conductive puck style top housing with a plunger style housing unless you are also replacing the keyboard PCB assembly to match it Tools Required Description Part Number T10 Torx driver Non conductive pry tool 3M SP3010 Parts Required CN70A Top Housings Item Part Number Description Qt...

Page 24: ...ing Top Dome QWRTY LAN Assy 1 option 715 571S 005 Housing Top Numeric Wan Cal Assy CN70 1 option 715 693S 003 Housing Top Dome Num CALC WAN Assy 1 option 715 571S 006 Housing Top Numeric Lan Cal Assy CN70 1 option 715 693S 004 Housing Top Dome Num CALC LAN Assy 1 Removal 1 Remove the bottom housing assembly refer to Bottom Housing operation 2 Remove the core assembly from the top housing refer to ...

Page 25: ... is pad printed on the back of the LCD Original production used a touch panel with an anti glare coating and will have a matte dull appearance Current production touch panels do not have this coating and will have a clear shiny mirror like appearance 715 618 001 715 618S 003 Tools Required Description Part Number T10 Torx driver T7 Torx driver Phillips screwdriver with 1 tip Non conductive pry too...

Page 26: ...Assembly operation 3 Using a 1 Phillips screwdriver remove two screws one on each side that attach the display assembly to the core assembly Continued on next page 4 Carefully lift the display assembly away from the core assembly and disconnect the LCD flex cable and touch panel flex cable from the main logic board Be careful with flex connectors on the main logic board as they are very fragile LC...

Page 27: ... install new grounding pads Temporarily position the boot over the back of the LCD display and use the cutouts in the boot to properly position the grounding pads as they are installed 2 Position the boot in the magnesium frame Make sure it is oriented correctly with the cutout for the touch panel flex located down by the keyboard PCB 3 Position the touch panel as shown and connect the touch panel...

Page 28: ...logic board and then position the LCD panel down into the boot 6 Flip the touch panel over and lower it over the LCD panel aligning its mounting holes with the screw holes in the magnesium frame Continued on next page Connect LCD flex cable Align holes in touch panel bracket with screw holes in frame one each side Place LCD panel into boot ...

Page 29: ... on a flat surface Apply light pressure to hold the magnesium frame snug against the display assembly and using a 1 Phillips screwdriver install 2 screws to secure the touch panel to the magnesium frame with 1 5 0 2 in lbs of torque 8 Re install the core assembly into the top housing 9 Re install the bottom housing assembly Install screw one each side 5 ...

Page 30: ...ver Phillips screwdriver with 0 tip Non conductive pry tool 3M SP3010 Parts Required Item Part Number Description Qty option 855 224S 002 UMTS Radio 1 855 224 101 AT T UMTS Radio 1 855 082 201 Sprint CDMA Radio 1 855 082 202 Verizon CDMA Radio 1 855 225 001 Gobi3000 CDMA UMTS GSM Radio PCI Express 1 2 710 065 001 Heatsink 1 3 321 667 004 Coax Cable 31mm 1 4 321 667 102 Coax Cable 87mm 1 5 800 566 ...

Page 31: ... WAN GPS radio card may now be removed Installation 1 If this is a new UMTS or CDMA radio card install a new heatsink pad item 9 on the bottom as shown below If it is a Flexnet Gobi radio install a new shield gasket item 10 as shown 2 Plug the WAN GPS radio card into its connector on the main logic board 3 Hold the WAN GPS radio card down and install the radio heatsink assembly Be sure the edges o...

Page 32: ...ght onto the antenna jacks Route the black and gray coax cables exactly as shown below and apply a piece of Kapton tape p n 906 016 002 as shown to secure the black coax cable across the middle of the gore shield Be sure the black coax cable is routed between P7 and P9 as shown Confirm that the coax cable connectors are pressed all the way onto their jacks both on the radio card itself and at J3 a...

Page 33: ...enna FCC 1 805 669 001 Antenna ETSI 1 2 800 481 001 Screw 2 28x3 16 Plastite Flat Hd RoHS 3 3 655 292 001 Adhesive antenna bracket 1 Removal 1 Remove the bottom housing assembly refer to bottom housing operation 2 Remove the scan bracket assembly refer to Scan Bracket Assembly operation 3 Using a 1 Phillips screwdriver remove three screws the secure the WAN antenna to the scan bracket assembly The...

Page 34: ...nstallation is reverse order of removal 1 Position the WAN antenna onto the scan bracket assembly 2 Using a 1 Phillips screwdriver install 3 screws and secure the WAN antenna to the scan bracket assembly with 2 5 0 2 in lbs of torque 3 Re install the scan bracket assembly 4 Re install the bottom housing assembly ...

Page 35: ...lace of a camera Units without a camera and without a WAN radio will have nothing installed in the camera location Removal 1 Remove the bottom housing assembly refer to Bottom Housing operation 2 Remove the scan bracket assembly refer to Scan Bracket Assembly operation 3 Using a 0 Phillips screwdriver remove four screws that secure the camera to the scan bracket assembly The camera shield and came...

Page 36: ...a assembly has the newer smaller footprint flash LED be sure the rear housing has a light barrier foam installed around the edge of the flash window as shown below Original flash LED New flash LED 5 Re install the scan bracket assembly 6 Re install the bottom housing assembly Light barrier foam installed around edge of flash LED window ...

Page 37: ...er with 0 tip Parts Required Item Part Number Description Qty 1 3 143010 03 EA30 Scan Engine 1 2 800 450 001 Thd Form Screw M1 7 x 4mm Flat Hd RoHS 2 3 234 008 0100 FLEX ASSY KELLER SCANNER COZ 1 4 906 016 002 Kapton tape use 3 inches 1 5 655 289 001 Kapton tape 1 6 655 223 001 Foam pad 1 7 655 360 001 Tape Foil Gnd ea 30 CN70 Used on Southwest Airline CN70 1 Removal 1 Remove the bottom housing as...

Page 38: ...kapton tape and a foam pad are still in place on the scan flex cable If they are not or this is a new flex cable they will need to be installed as shown in the above picture 2 Verify that a piece of kapton tape is in place on the scan engine If it is not or this is a new scan engine it will need to be installed as shown in the above picture 3 Using a 0 Phillips screwdriver install two screws and s...

Page 39: ...02 11 ABGN Nexgen CN70 CK7x use for 600MHZ configurations 1 1 234 164S 1000 MLB 1GHZ Wodsp CN70 CK7x use for original 1GHZ configurations 1 1 234 282S 0100 MLB Refresh Assy CN70 CK7X use for refresh program 1GHz configurations 1 2 655 199 001 screw 2 56 torx drive wafer head custom 3 3 813 169 001 Grounding Gasket 1 4 655 232 001 Insulator 1 Removal 1 Remove the bottom housing assembly refer to Bo...

Page 40: ...WAN Supercap operation 4 Verify the grounding gasket in place between the scanner camera connectors If this is a new main logic board you will need to install a new grounding gasket at this location See photo below Continued on next page 5 Verify the clear insulator in place on the other side of the main logic board If this is a new main logic board you will need to install a new insulator at this...

Page 41: ...ttom housing assembly refer to Bottom Housing operation 2 Remove the scan bracket assembly refer to Scan Bracket Assembly operation 3 Remove the WAN radio assembly heatsink radio card coax cables 4 Carefully peel the supercap away from the gore shield located over the 802 11 Bluetooth radio module Be very careful not to damage the gore shield or pull it away from the main logic board 5 Unsolder th...

Page 42: ...A 1 2 655 207 001 Frame CN70E 1 3 655 295 001 bumper lcd 1 Removal 1 Remove the bottom housing assembly refer to Bottom Housing operation 2 Remove the core assembly refer to Core Assembly operation 3 Remove all assemblies from the magnesium frame Installation 1 Install a new LCD bumper on the new magnesium frame as shown item 3 in the picture above 2 Re install all internal assemblies onto the mag...

Page 43: ...assembly is replaced it will need new labels installed See the Service Repair Information web site for software and format files needed to reproduce the print on demand label set Tools Required Description Part Number Printer Software label format files Isopropyl alcohol solution Parts Required Item Part Number Description Qty 1 355 550 002 Laser warning label 1 2 819 327 001 POD Set 1 3 819 349 0...

Page 44: ...nly needed if the original tag is missing or damaged Refer to the build BOM to identify the correct tag to use Below are pictures of the five possible tags Parts Required Item Part Number Description Qty 1 715 532S 001 LBL HERO LAMINATED W TETHER ZERO DIST 1 1 715 532S 002 LABEL HERO LAMNTD W THTR SEP DIST 1 1 715 532S 003 LABEL HERO LAMNTD W THTR 4 INCH DIST 1 1 715 532S 004 LABEL HERO LAMNTD W T...

Page 45: ...NYL CRES ROHS attaches keyboard PCB to frame x4 Attaches battery board to frame x4 2 5 0 2 in lb T7 Torx 800 566 001 Custom Screw 2 56x3 4mm Wafer Hd RoHS Attaches shield heat sink over WAN radio slot x2 1 5 0 2 in lb 0 Phillips 800 450 001 800 450 003 Thd Form Screw M1 7 x 4mm Flat Hd RoHS Thd Forming Screw M1 7 x 3mm FH RoHS 4mm attaches EA30 scan engine to scan bracket x2 3mm attaches side scan...

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