Cardiomd Ac Option - Philips CARDIOMD Service Manual

12 C
ARDIO
Contents
12.1 Introduction ......................................................................................................................... 12-3
12.2 Overview ............................................................................................................................. 12-3
12.2.1 AC Option Bracket................................................................................................. 12-4
12.2.2 Line Source Compartment...................................................................................... 12-4
12.2.3 Line Source Housing with Shutter and Attenuator................................................. 12-6
12.3 Detailed Description............................................................................................................ 12-8
12.3.1 AC Option Block Diagram..................................................................................... 12-8
12.3.2 Overview of Modifications..................................................................................... 12-8
12.3.3 AC Option Bracket............................................................................................... 12-12
12.3.4 Line Source Compartment.................................................................................... 12-16
12.3.5 CardioMD Detector and Table Console ............................................................... 12-26
12.4 Calibration......................................................................................................................... 12-27
12.4.1 Point Source Holder ............................................................................................. 12-27
12.5 Repair Procedures ............................................................................................................. 12-29
12.5.1 Dismounting Transmission Scanners ................................................................... 12-29
12.5.2 AC Option Bracket Repairs.................................................................................. 12-34
12.5.3 Line Source Compartment Repairs ...................................................................... 12-38
1MAN0158-H11 04-2005 CSIP Level 1
MD AC O
PTION
12.3.2.1 System Interconnections....................................................................... 12-8
12.3.2.2 Gantry................................................................................................. 12-10
12.3.2.3 Detector .............................................................................................. 12-11
12.3.3.1 AC Option Bracket Mechanics........................................................... 12-12
12.3.3.2 AC Option Bracket Electronics .......................................................... 12-13
12.3.4.1 Line Source Compartment Mechanics ............................................... 12-17
12.3.4.2 Line Source Compartment Electronics............................................... 12-22
12.5.1.1 Removing Transmission Scanners from the Detectors....................... 12-29
12.5.1.2 Detaching the Line Source Compartment from the Bracket .............. 12-33
12.5.2.1 Dismounting Detector Cable .............................................................. 12-34
12.5.2.2 Disassembling the Bracket ................................................................. 12-34
12.5.2.3 Replacing the Motor Power Board ..................................................... 12-36
12.5.2.4 Replacing Limit Switches................................................................... 12-36
12.5.2.5 Replacing the Motor and Gear Assembly .......................................... 12-37
12.5.3.1 Removing Line Source Compartment Covers.................................... 12-38
12.5.3.2 Dismounting Connecting Cable ......................................................... 12-43
12.5.3.3 Replacing the AC Source Motion Board............................................ 12-44
12.5.3.4 Replacing the Motion Controller........................................................ 12-52
12.5.3.5 Replacing the AC Option Servo Motor .............................................. 12-53
12.5.3.6 Replacing the Solenoid....................................................................... 12-56
12.5.3.7 Replacing Collision Sensors............................................................... 12-66
12.5.3.8 Exchanging Line Sources ................................................................... 12-68
12.5.3.9 Opening the Line Source Attenuator.................................................. 12-75
12.5.3.10 Mounting Line Source Compartment Covers..................................... 12-77
12.5.3.11 Mounting Transmission Scanners ...................................................... 12-81
12.5.3.12 Aligning Transmission Scanners........................................................ 12-81
CardioMD Service Manual 12-1