Philips CARDIOMD, Service Manual

Page: 457 / 466

CardioMD AC Option
1MAN0158-H11 04-2005 CSIP Level 1
CardioMD Service Manual
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12-109
12.6.5 Getting Ready to Use the CardioMD AC Option
Before the AC option is ready to be used, you must perform the following:
•
Mechanically align the transmission scanners. See section 12.5.3.12, page 12-81 for
instructions.
•
Acquire a reference scan.
•
Acquire a tomography with attenuation correction.
12.6.5.1 Acquiring a Reference Scan
1. Acquire a reference scan as explained in the CardioMD Operator’s Manual Chapter 7
CardioMD AC Option .
When the reference scan is completed:
2. Check that the uniformity is less than 10 %.
12.6.5.2 Acquiring a Tomography with AC
1. Acquire a tomography with attenuation correction. See the CardioMD Operator’s Manual
Chapter 7
CardioMD AC Option for instructions.
When the tomography is completed, check the following:
2. Check that the count rate lies between 50 kcnts and 70 kcnts using LEHR collimators and a
new line source with the line source attenuator in the closed position (see section 12.5.3.9,
page 12-75).
After approximately 1 year of using a line source, the count rate should lie between 50 kcnts
and 70 kcnts using a LEHR collimator and the line source attenuator in the open position.
3. Check that no frames are missing and that all projections look uniform.
12.7 AC Option Spare Parts
12.7.1 Spare Parts Listing
12.7.1.1 AC Spare Parts in Gantry and Detector
12 NC part no. DDD part no. Description Qty per
system
DDD9ACP1316A 9ACP1316-A Power interface board 1
DDD9CBL1313A 9CBL1313-A Detector interface cable 1
DDD9CBL1314A 9CBL1314-A CANbus interface cable 1
DDD9ACI1312A 9ACI1312-A EDC AC interface board 2
DDD9POW1315A 9POW1315-A AC PSU assembly 1
DDD9AES1317A 9AES1317-A 48V E-Stop board 1
DDD3PSU1689A 3PSU1689-A 120W AC-DC converter 1
DDD9CBL1450A 9CBL1450-A PSU to main PSU 115 V cable 1
DDD9CBL1451A 9CBL1451-A PSU to main PSU 24 V cable 1
DDD9CBL1452A 9CBL1452-A 48 V PSU cable set 1