GE Logiq 7 Service Manual
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GE HEALTHCARE DIRECTION 2286865, REVISION 14LOGIQ™ 7 SERVICE MANUAL Section 5-8 - Monitor Video Specification 5-45 5-8-2-4 NTSC EIA 5-8-3 SVHS and Composite Video 5-8-3-1 Basic DC Parameters GeneralSVHS-lumaSVHS-cromaCompositeRGBB&W Line/field: 525/60 FH: 15734 HzFV: 59.94 Hz Bandwidth: Min. 4.2MHz (luma) Signal: 92.5 IRE (from black level) 100% amplitude Blanking setup: 7.5 IRE Sync: 40 IRE Burst amplitude: +/- 20 IRE, 9 cycles Fsc: 3.579545 MHz 100% saturation Summed luma and croma Signal: 0-700 mV Comp sync/H sync/ V sync: 0.3 - 4 Vpp SVHS luma ParametersNTSCPAL White relative to blank 714 +/- 7 mV700 +/- 7 mV Black relative to blank 54 +/- 7 mV 0 Sync relative to blank -286 +/- 7 mV-300 +/- 7 mV Burst amplitude (nominal, p-p) 286 +/- 7 mV300 +/- 7 mV
GE HEALTHCARE DIRECTION 2286865, REVISION 14LOGIQ™ 7 SERVICE MANUAL 5-46Section 5-8 - Monitor Video Specification This page was intentionally left blank.
GE HEALTHCARE DIRECTION 2286865, REVISION 14LOGIQ™ 7 SERVICE MANUAL Section 6-1 - Overview 6-1 Chapter 6 Service Adjustments Section 6-1 Overview 6-1-1 Purpose of this chapter 6 This section describes how to test and adjust the scanner. These tests are optional. You may use them to check the system for errors. Table 6-1 Contents in chapter SectionDescriptionPage Number 6-1 Overview 6-1 6-2 LV Unit Adjustments (For BT03 or lower) 6-2 6-3 Caster Brake/Swivel Function Adjustments 6-4 6-4Reloading the Probe Data6-9 6-5Monitor and LCD Adjustments6-10 6-6BW Printer Setting / Adjustment6-27 6-7 Cleaning the Trackball 6-33 6-8 Jumper and Dip Switch Setting 6-37
GE HEALTHCARE DIRECTION 2286865, REVISION 14LOGIQ™ 7 SERVICE MANUAL 6-2Section 6-2 - LV Unit Adjustments (For BT03 or lower) Section 6-2 LV Unit Adjustments (For BT03 or lower) This system contains three power supply modules; LV unit. The LV unit for BT04 or later can not be adjusted. 6-2-1 Access to Adjustments 1.) Remove the LV unit: a.) Remove the left side cover. b.) Remove the LV unit cover. c.) Remove the bracket, then pull out the LV unit Assy with the cables connected. Figure 6-1 LV Unit Assy LV Unit Assy
GE HEALTHCARE DIRECTION 2286865, REVISION 14LOGIQ™ 7 SERVICE MANUAL Section 6-2 - LV Unit Adjustments (For BT03 or lower) 6-3 6-2-2 Adjustments Procedures 1.) Using the following VRs, DC output can be adjusted. Table 6-2 DC Output Specification for LV Unit VRSpecifications VR1 3.4V +/- 34mV VR25V +/- 50mV VR36V +/- 60mV VR4-6 V +/- 60mV VR512V +/- 120mV VR6-12V +/- 120mV Figure 6-2 VRs for Adjusting DC Output VR4 for -6V VR2 for +5V VR3 for +6V VR6 for -12V VR1 for +3.4V VR5 for +12V OR -6V +12V +5V -12V +3.3V +6V
GE HEALTHCARE DIRECTION 2286865, REVISION 14LOGIQ™ 7 SERVICE MANUAL 6-4Section 6-3 - Caster Brake/Swivel Function Adjustments Section 6-3 Caster Brake/Swivel Function Adjustments 6-3-1 Brake Function Adjustment The LOGIQ 7 contains front and rear brake lock adjusters. They are separately adjusted using the similar method. Figure 6-3 Locations of Brake Lock Adjusters Front Brake Lock Adjuster Rear Brake Lock Adjuster
GE HEALTHCARE DIRECTION 2286865, REVISION 14LOGIQ™ 7 SERVICE MANUAL Section 6-3 - Caster Brake/Swivel Function Adjustments 6-5 6-3-1 Brake Function Adjustment (cont’d) 1.) Locate the adjuster nut on the caster linkage joint. 2.) Rotate the adjuster until the caster lock lever comes center as shown. Figure 6-4 Adjuster Nut Location Figure 6-5 Rotating Adjuster Adjuster Nut Center lock lever
GE HEALTHCARE DIRECTION 2286865, REVISION 14LOGIQ™ 7 SERVICE MANUAL 6-6Section 6-3 - Caster Brake/Swivel Function Adjustments 6-3-1 Brake Function Adjustment (cont’d) 3.) After completion of adjustment, press on the brake and check its function and location of the boss, connected to the caster lock arm. Figure 6-6 Brake Function Check Example: GOOD Boss of the front caster in place, and brake properly adjusted. Example: NO GOOD Boss of the front caster NOT in place, and brake NOT properly adjusted.
GE HEALTHCARE DIRECTION 2286865, REVISION 14LOGIQ™ 7 SERVICE MANUAL Section 6-3 - Caster Brake/Swivel Function Adjustments 6-7 6-3-1 Brake Function Adjustment (cont’d) 4.) Adjuster of the rear caster is also located on the caster linkage joint as shown. 5.) Turn the adjuster so that the caster lock lever is in the ceter position, as same as the front caster, and the link is securely in place. Figure 6-7 Rear Caster Adjuster Location Adjuster Nut Link Rear Caster Lock Arm Boss
GE HEALTHCARE DIRECTION 2286865, REVISION 14LOGIQ™ 7 SERVICE MANUAL 6-8Section 6-3 - Caster Brake/Swivel Function Adjustments 6-3-2 Swivel Function Adjustment The LOGIQ 7 contains one swivel lock adjuster. It can be adjusted using the similar method as brake function adjustment described above. Figure 6-8 Locations of Swivel Lock Adjuster Swivel Lock Adjuster