Welch Allyn 220 Скачать руководство пользователя страница 2

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Section 4 Disassembly and Repair

64 Welch Allyn Atlas Monitor Service Manual 6200-43E Rev. D

ESD:

Circuit Boards are

sensitive to static electric-

ity. Use wrist straps, ESD

mats and ESD storage

bags.

1. Battery Door Removal

Remove the two screws holding the bat-

tery door. Remove the battery door.

2. Battery Removal

Remove the battery connector from the

main PCB. Remove battery.

Model 220 (623NP)

Содержание 220

Страница 2: ...ESD Circuit Boards are sensitive to static electric ity Use wrist straps ESD mats and ESD storage bags 1 Battery Door Removal Remove the two screws holding the bat tery door Remove the battery door 2 Battery Removal Remove the battery connector from the main PCB Remove battery Model 220 623NP ...

Страница 3: ...n Atlas Monitor 65 3 Rear Housing Removal 3 1 Remove the four Torx head machine screws Use a 10 Torx driver 3 2 Pull the rear housing away from the front panel Take special care not to dam age any cables 3 3 Flip the housing forward Take special care not to damage any cables ...

Страница 4: ... how hose fits in E Pac Foam The hose fits over wiring keeping wiring secure 4 Printer cable and Display Cable Removal Remove both Printer and Display PCB cables from the Main PCB 5 Power Supply Ground Wire Removal Remove the two ground connectors from power supply chassis Printer Cable Display PCB Cable ...

Страница 5: ...rap Removal Cut the tie wrap that secures the ground wires to the E pac foam 7 CPU Removal Remove the CPU from the Main PCB 8 Main PCB Removal Use a tool T 16654 to pry the main Board away from the Deflection Board Pull the E pac tab to the right as you pry Support the Main PCB while titling it away ...

Страница 7: ...elch Allyn Atlas Monitor 69 12 CO2 Exhaust Removal Remove the CO2 exhaust cover and remove the CO2 connector from the E Pac foam 13 Pryon PCB Removal Remove connectors from Pryon PCB Pull Pryon PCB from E Pac foam 14 E Pac Foam Removal Top Remove the top E Pac foam ...

Страница 8: ...Atlas Monitor Service Manual 6200 43E Rev D 15 Power Supply Removal Slide the power supply out from the E Pac Foam 16 Power Supply Fuse Location NOTE Notice power supply and power supply fuse location 17 Fan Removal Slide fan out from E Pac foam Fuse ...

Страница 9: ...18 E Pac Removal Lower Remove lower E Pac foam from unit 19 Deflection PCB Removal Carefully remove the small deflection PCB from the CRT 20 CRT Removal Remove the two machine screws holding CRT to the front panel NOTE Notice how the ground wire is attached and is located along the side of CRT ...

Страница 10: ...anual 6200 43E Rev D NOTE The CRT and deflection PCB are factory tuned as a unit and are sold only together as a unit 21 Display PCB Removal Remove all 9 self tapping screws that hold the Display PCB to the Bezel NOTE Notice the correct orientation of CRT screw and washer ...

Страница 11: ...Button Removal Use a small screwdriver to push the door button tab up and away from the pin that locks it onto the printer frame NOTE Notice how the printer button is being removed 23 Printer Assembly Locking Tab Release Pull the locking tab down and towards the front of the rear housing assembly Locking Tab ...

Страница 12: ...in to pull the positioning slots towards the front of the rear housing and then out from the rear housing 25 Printer Assembly Removal After printer positioning slots have cleared the front rear housing pull the printer down and out of the rear housing 26 Printer Lip Assembly Observe how the printer assembly fits into the lip of the rear housing Positioning Slots ...

Страница 13: ...Disassembly and Repair Section 4 Service Manual 6200 43E Rev D Welch Allyn Atlas Monitor 75 27 Printer Cable Routing Observe how the printer cable lies over the printer PCB ...