GE Medical Systems LOGIQ ?200, Руководство по обслуживанию, Страница: 62 / 212

GE MEDICAL SYSTEMS
2138853
LOGIQ
α
200 SERVICE MANUAL
SYSTEM CONFIGURATION
3–10
REV 3
3–6 TEST POINT, LED, DIP SWITCH AND RESET SWITCH
3–6–1 Test Point List
The table below shows The Test Point list for LOGIQ
α
200.
TABLE 3– 6
TEST POINT
LOCATION NAME DESCRIPTION POSITION
DSC ASSY TP1 M–mode enable signal Edge of board
TP3 Mapping clock –
TP4 Horizontal driving signal –
TP5 Vertical driving signal –
TP6 Anti–alasing filter output –
TP7 Scan line No.0 –
TP8 Scan line No.8 –
TP9 –5V for analog/digital –
TP10 Input echo signal from the ESP
Assy
–
TP V5_1 +5V for digital Edge of board
MST ASSY TP601 Gnd Edge of board
TP602 +5V for digital Edge of board
FOOT S/W Foot switch status –
CLK2_25M 25MHz clock –
CLK 9M 9MHz clock –
CLK36M 36MHz clock –
RTC ASSY +5V +5V for digital Edge of board
+15V +15V for analog Edge of board
–15V –15V for analog Edge of board
THV High voltage for transmitting Edge of board
RTC_WE RTC write enable signal –
CDA D/A output for continuous
dynamic aperture (CDA)
–
CIM Not used –
CDF D/A output for continuous
dynamic focusing (CDF)
–
PGC D/A output for Pre–gain
control (PGC)
–
TFC D/A output for time frequency
control (TFC)
–