GE HEALTHCARE
DIRECTION 5394152, Revision 5
LOGIQ™ P6/P6 PRO SERVICE MANUAL
Page 5-10 Section 5-1 - Overview
5-3-3 APS II (LV Power & HV Power)
APS II supply all DC power sources which are for all PWA assy in nest box, nest FANs and trans FAN.
To turn on the APS II, the live power is needed as a standby power. This live power is generated from
APS II when the APS II receive the AC input from the AP950(TRANSBOX). When the LP(live power) is
supplied to the SYSCONML and system momentary switch is ON, SYSCONML make the LV_ON signal
level into low to turn on the APS II. After turning on the APS II, the ACPC II in AP950 assy change the
relay path on itself to supply stable AC powers to LCD monitor, 4D Box or Peripherals by using of D12V
from APS II.
DC Output Capacity:
• +D2V : 10.0 A rms
• +D5VLP:
0.42 A rms
•
+D5V: 4.96 A rms
• +D3.3V: 10.0 A rms
• +D12V: 1.0 A rms
• +D12VFAN: 1.03 A rms
• +A6V: 9.0 A rms
• -A6V: 2.0 A rms
• +A12V: 3.25 A rms
• -A12V: 1.5 A rms
APS II supplies High Voltage power to activate high voltage transmit pulse and static supply bias voltage
on high voltage mux and probe. When SYSCONML makes the HV_STOP signal to low, the APS II
generates the HV module in APS II. The SHV supplies +/-80V to the system constantly and the THVH
and THVL supplies 0~+/- 60V individually.
SYSCONML controls the level of THVH and THVL through the IIC interface. It depends on probe or
applications
HV Output Capacity:
• +SHV, +80V: 0.05A rms
• - SHV, -80V: 0.05A rms
• +THVH, 0V~+60V: 0.67A rms
• - THVH, -60V~0V, 0.67A rms
• +THVL, 0V~+60V, 0.75A rms
• - THVL, -60V~0V, 0.75A rms
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