GE S5 Owners Manual

							Remote Controller3
Document no. M1187342-004
2 Functional description
2.1 Remote Controller, K-REMCO/ K-CREMCO
The Remote Controller consists of 12 direct function keys and the ComWheel.
2.1.1 K-REMCO/ K-CREMCO PCBs
The K-REMCO/ K-CREMCO has two PCBs located inside the Remote Controller. One board has 
only the push button switches of the keys. The other board reads the status of the keys and the 
ComWheel and forwards the in formation to the CPU board.
2.1.2 External communication
K-REMCO Rev. 00-01
Two signals, TXD and RXD in RS232 format are in use. No handshaking is used. Serial 
communication speed is 19.2 kbps. The 26-pin subminiature D-connector of the Remote 
Controller is connected to the Display Controller Board, B-DISP. 
K-REMCO Rev. 00 with optional Remote  Controller - Compact Monitor cable 
or K-CREMCO Rev. 00
Two signals, TXD and RXD in RS232 format are in use. No handshaking is used. Serial 
communication speed is 19.2 kbps. 
In Compact Monitors, the DIN 5 connector is  connected to the keyboard connector X9. 
In S/5 FM and FM Light, the DIN 5 connector is connected to Multi IO adapter X7.
2.1.3 ComWheel
The ComWheel is used for menu selection. 
						

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3 Service procedures
3.1 General service information
The field service of the remote controllers is limited to replacing faulty circuit boards or 
mechanical parts. The circuit boards should be returned to GE Healthcare for repair.
GE Healthcare is always available for service advice. Please provide the unit serial number, full 
type designation, and a detailed fault description. 
WARNING Only trained personnel with appropriate equipment should perform the 
tests and repairs outlined in this section. Unauthor ized service may void the 
warranty of the unit.
3.2 Service check
These instructions include complete procedures for a service check. The service check is 
mandatory after any service repair. However, th e service check procedures can also be used 
for determining possible failures.
The procedures should be performed in ascending order.
The instructions in clude a check form  (“APPENDIX A:” ) which may be used when performing the 
procedures. 
The symbol 
in the instructions indicate s that the check form contains space to record the 
results of the particular procedure.
3.2.1 Recommended tools
3.2.2 Visual inspection
Turn the monitor to STBY.
Disconnect the remote controller cable from the monitor.
Detach the remote controller upper cover and the keypad cover by removing the screws 
(7 pcs) from the bottom.
1. Internal parts Check that:
•cables are connected properly
•the remote controller cable is fasten ed to the bottom cover with screws
•the keypad switches are intact
•the software EPROM under the keypad is attached properly

ToolOrder No.Notes
Screwdriver 
						

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Document no. M1187342-004
2. External partsCheck that:
•the upper and bottom covers are intact
•the keypad cover is intact
•the ComWheel cover is intact and attached properly

Reassemble the remote controller.
3. Cable Check the remote controller cable:
•the cable is intact
•the cable connector is intact
•the connector pins are clean, straight and at about the same height
•the locking screws inside the connector case are intact

3.2.3 Functional inspection
Reconnect the cable to the moni tor and turn the monitor ON.
4. Command board software Enter the service menu:
Menu (on the remote controller keypad) - Monitor Setup - Install/Service (password 
16-4-34)  - Service (password 26-23-8)
Take down the information regarding the remote controller software.

Select the menu  KEYBOARD:
Service - Keyboard
5. Remote controller keys Press the keys one by one. Check that each key generates a sound from the loudspeaker.

6. ComWheelTurn the ComWheel clockwise and counterclo ckwise and check that each step generates 
a sound and the corresponding values at the bottom of the menu increase.
Select DUMMY PRESS. Push the ComWheel and check that the push generates a sound 
and the corresponding value in the menu increases.
 
						

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7. Electrical safety checkPerform an electrical safety check and a leakage current test.

8. Functioning after electrical safety checkCheck that the remote controller functions no rmally after the electrical safety check.

9. Final cleaning
Clean the remote controller and the cable.

•Fill in all necessary documents. 
						

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3.3 Disassembly and reassembly 
3.3.1 Before disassembly
WARNINGWear a grounded, antistatic wristband when handling PC boards. 
Electrostatic discharge may damage components on the board.
Handle all PC boards by their edges.
3.3.2 Tools needed
3.3.3 To disassemble Remote Co ntroller K-REMCO / K-CREMCO
To disassemble the Remote Controller (see  Figure 2):
1. Disconnect the K-REMCO/ K-CREMCO cable from the monitor.
2. Pull out the knob of the ComWheel.
3. Open the nut on the shaft of the ComWheel.
4. Open the three cross head screws on the bottom of the K-REMCO/ K-CREMCO.
5. Remove the top cover.
6. Open the four screws on the bottom of the K-REMCO/ K-CREMCO.
7. Remove the keyboard cover.
8. Disconnect the K-REMCO/ K-CREMCO cable and the wire set from the Comwheel.
9. Remove the PCBs.
For more information on the spare  parts, see the “Spare parts” slot.
In reassembly, remember to put the reinforcing cord of the cable around the screw on the 
metal bridge before tightening the screw. - screwdriver
- flat blade screwdriver
- antistatic wristband 
						

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Figure 2 K-REMCO, K-CREMCO disassembly and reassembly
To reassemble the module, reverse the order of the disassembly steps.
In reassembly, remember to put the reinforcing cord of the cable around the screw on the 
metal bridge before tightening the screw.
CAUTION When reassembling the remote controller make sure that the cables are 
reconnected properly.
Always perform the  “Service check” after reassembling the remote controller. 
						

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Document no. M1187342-004
4Troubleshooting
4.1 K-REMCO, K-CREMCO
See Keyboard Service Menu in the “Service Menu“ slot and perform tests available. If any of the 
tests fail, see explanation below.Problem  Cause What to do
ComWheel not working ComWheel leads broken or  connector loose. ComWheel 
faulty. Check the items. Replace the 
ComWheel if necessary.
Membrane key not 
working Switch cable loose or broken. 
Keyboard cable loose or broken. 
Cable connector pin failure. 
RS232 communication failure 
on CPU board. Check the items. Replace them if 
necessary. 
						

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Document no. M1187342-004
For your notes: 
						

							Appendix A, Service check form, Remote Controllers K-REMCO (Rev. 01) and K-CREMCO (Rev. 00)
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                           Document no. M1187342-004
APPENDIX A: Service check form, 
Remote Controllers K-REMCO (Rev. 01) and 
K-CREMCO (Rev. 00)
OK = Test OK            N.A. = Test not applicable            Fail = Test failed
Customer
 
Service Keyboard type
S/N
Service engineer
 Date
  Visual inspection
       OK           N.A.          Fail      OK           N.A.          Fail
1. Internal parts                             2. External parts
                           
3. Cable                            
 Notes
 
  Functional inspection           
4. Command board 
software    KB
5. Remote controller keys                             6. ComWheel
                           
7. Electrical safety check                             8. Functioning after 
electrical safety check
                           
9. Final cleaning                                
Notes 
 
 
Used spare parts 
Signature   
						

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Document no. M1187342-004
For your notes: