Philips Trim 1 Service Manual

IntroductionPageWriter Trim Cardiograph Learning Product Part Numbers
PageWriter Trim Cardiograph Service Manual1-31
M4992-91177 PageWriter Trim I, II, III User’s Guide Slovak
Table 1-29 Spanish Learning Product Part Numbers
Part Number Title Language
453564083051 PageWriter Trim I, II, III Quick Help Card Spanish
M4992-91158 Getting Started Guide Spanish
M5000-91004 Philips 12-Lead Algorithm Physician’s Guide Spanish
M4992-91154 PageWriter Trim I, II, III Instructions for Use Spanish
Table 1-30 Swedish...

IntroductionContacting a Philips Response Center
1-32PageWriter Trim Cardiograph Service Manual
Contacting a Philips Response Center 
The Philips Response Center can assist with product troubleshooting and provide technical 
expertise to help with any issue with the PageWriter Trim cardiograph or any of its 
accessories. 
For more information on the Philips Response Center go to: 
www.medical.philips.com/main/services/response_center
North America Response Centers 
Country Telephone Number
Canada (800)...

IntroductionContacting a Philips Response Center
PageWriter Trim Cardiograph Service Manual1-33
France 0 810 835 624
Germany 0180 5 47 5000
Greece
MCR Response Center (located in The Netherlands)31 40 2781619
Hungary
MCR Response Center (located in The Netherlands)31 40 2781619
Italy 0800 232100
Netherlands 31 40 27 211 27
Norway 47 800 84 080
Poland
MCR Response Center (located in The Netherlands)31 40 2781619
Rumania
MCR Response Center (located in The Netherlands)31 40 2781619
Russia
MCR Response...

IntroductionContacting a Philips Response Center
1-34PageWriter Trim Cardiograph Service Manual
Korea 82 (0)2 3445 9010
Malaysia 1800 886 188
New Zealand 0800 251 400
Philippines 63 2 8162617 ext. 875
Singapore 1800 Philips
Taiwan 0800 005 616
Thailand 66 (0)2 614 3569
Africa and Middle East
Country Telephone Number
All countries 
MCR Response Center (located in The Netherlands)31 40 2781619
Asia Response Centers (continued)
Country Telephone Number 

2
2-1
Chapter 2Theory of Operation
Overview
At a system level, the PageWriter Trim cardiograph performs acquisition, analysis, printing, 
storage, and transfer of ECG waveforms and other patient clinical data. 
The PageWriter Trim cardiograph consists of three major subsystems:
„Main controller
An Intel StrongArm-base single-board computer (SBC) with extensive I/O facilities, 
running Windows CE 4.1. The PageWriter Trim application software runs on the main 
controller, which includes the display and...

Theory of OperationHardware Logical View
2-2PageWriter Trim Cardiograph Service Manual
The PageWriter Trim II, III and Rx cardiographs each have an internal ECG archive that 
consists of a CompactFlash (CF) card installed on the main control board. The number of 
ECGs that can be stored to this internal memory varies by cardiograph model as shown in the 
following table. 
NOTEThe PageWriter Trim I cardiograph does not provide internal storage.
Figure 2-1 illustrates the devices and interfaces provided by...

Hardware Logical ViewTheory of Operation
PageWriter Trim Cardiograph Service Manual2-3
Figure 2-1 Devices and Interfaces for the Main Control Board
The board presents a backplane through the rear of the PageWriter Trim case. This allows the 
user to access interfaces shown as external in Figure 2-1. Other external interfaces include the 
PCMCIA slot, USB connector, and the PS/2 connection for a barcode reader device. 

Theory of OperationHardware Logical View
2-4PageWriter Trim Cardiograph Service Manual
Display 
The PageWriter Trim II, III and Rx cardiograph display is 640 x 480 pixels, up to 64-color 
TFT LCD with backlight. All display functions are handled by the main control board using 
the S1D13506 (EPSON) graphics accelerator chip. 
The PageWriter Trim I display is a 40 x 2 line character LCD with cursor. Its function is 
driven directly by SA1110.
Patient Interface Module (PIM)
The PIM is a SA1110-based WinCE...

Hardware Logical ViewTheory of Operation
PageWriter Trim Cardiograph Service Manual2-5
Barcode Reader (PS/2)
A barcode reader is available as an option for all product models except the PageWriter Trim 
I. It connects through an external PS/2 connector and provides standard barcode scanning 
capability. It emulates a keyboard, allowing scanned codes to be presented to the PageWriter 
Trim cardiograph as if they had been typed on the standard keyboard, powered by a PS/2 
connection. The barcode reader can...

Theory of OperationHigh Level ECG Data Flow and Storage
2-6PageWriter Trim Cardiograph Service Manual
PCMCIA Wireless LAN Card
A PCMCIA wireless LAN Card is available as an option for the PageWriter Trim III and Rx 
model cardiographs only. It connects through the PCMCIA slot and provides standard LAN 
capability and is compatible with the 802.11b wireless standard. The PageWriter Trim 
cardiograph communicates with the TraceMaster or TraceMasterVue ECG Management 
System through the wireless PCMCIA LAN...