GE Logiq P5 Service Manual

GE HEALTHCARE
DIRECTION 5394141, REVISION 1 LOGIQ™ P5 SERVICE MANUAL
Section 4-9 - Board Function Checks 4 - 55
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GE HEALTHCARE
DIRECTION 5394141, REVISION  1 LOGIQ™ P5 SERVICE MANUAL 
4 - 56 Section 4-9 - Board Function Checks 

GE HEALTHCARE
DIRECTION 5394141, REVISION 1LOGIQ™ P5 SERVICE MANUAL
Section 5-1 - Overview 5 - 1
Chapter 5
Components and Functions (Theory)
Section 5-1
Overview
5-1-1 Purpose of Chapter 5
This chapter explains system concepts, component arrangement, and subsystem function of LOGIQ™ 
P5 and LOGIQ™ A5/A5Pro. It also describes th e Power Distribution System (PDS) and probes. 
Table 5-1    Contents in Chapter 5
SectionDescriptionPage Number
5-1 Overview 5-1
5-2 General Information 5-2
5-3 Block Diagram 5-3...

GE HEALTHCARE
DIRECTION 5394141, REVISION 1LOGIQ™ P5 SERVICE MANUAL
5 - 2Section 5-1 - Overview
Section 5-2
General Information
LOGIQ™ P5/A5/A5Pro is a phased and linear array ultr asound imaging scanner. It has provisions for 
analog input sources like ECG. A Doppler probe may also be connected and used. 
The LOGIQ™ P5 can be used for: 
- 2D Gray Scale and 2D Color Flow Imaging 
- M-Mode Gray Scale Imaging 
- Color M-Mode 
- Doppler
- Different combinations of the above modes
- 4D(Optional)
And the...

GE HEALTHCARE
DIRECTION 5394141, REVISION 1LOGIQ™ P5 SERVICE MANUAL
Section 5-3 - Block Diagram 5 - 3
Section 5-3
Block Diagram
5-3-1LOGIQ™ P5 Block Diagram
Figure 5-2   LOGIQ™ P5  System Block Diagram
P robe P ort #1
P robe P ort #3
P robe P ort #2
R
E L
A
YM U
X
RELAY Control
P3R LY ASSY
R
R
R
R
R
A S IG  connection
LN AVC A
LN AVC A
LN AVC A
LN AVC A
LN AVC A
A D C  10bits
A D C  10bits
A D C  10bits
A D C  10bits
A D C  10bits
OQX2
OQX2
OQX2
OQX2
SDRAM 
fo r
OQx2 & TPG2
TR B C
fp g a
H V  driver X...

GE HEALTHCARE
DIRECTION 5394141, REVISION 1LOGIQ™ P5 SERVICE MANUAL
5 - 4Section 5-3 - Block Diagram
5-3-1      LOGIQ™ P5 Block Diagram (cont’d)
Figure 5-3   LOGIQ™ P5 System Block Diagram (cont’d)
ACW D  ASSY (option)
ASIG  ASSY
B ackplane A ssy
APS ASSY
D3.3 V
D5.0 V
D12 V A6 P
A6 M
A12 P
A12 M FA N 9
LP 5
SH VP(+80)
SH VM (- 80)
TH VH P(0~60)
TH V H M (- 60~0) TH VLP(0~60)
TH V L M (- 60~0)
H V  blockLV  block
I/F  &  C o n tr o l
AR P ASSYDCW D conn (option)
CHACOM
SD R AM
(6 4 M x 2 )
FEBC
FP G...

GE HEALTHCARE
DIRECTION 5394141, REVISION 1LOGIQ™ P5 SERVICE MANUAL
Section 5-3 - Block Diagram 5 - 5
5-3-1      LOGIQ™ P5 Block Diagram (cont’d)
Figure 5-4   LOGIQ™ P5 System Block Diagram (cont’d)
LP 5 keybord A S S Y
B a ckp la n e  A ssy
LP 5 S ub K eybord A S S Y
LP 5 M ain keybord A S S Y
TGC C TRLFunction  KEYsTR A C K  BALL
A/N  KE Y
LP 5 LC D M O N  A S S Y
LCD PANEL
Controller
SPEAKER   ASSYSPEAKER  ASSY
AC  InletCore Filter
AC  Filter Module
AC  TR AN S 100 V  ~ 240VTo A R P
100 V  ~ 240V  or...

GE HEALTHCARE
DIRECTION 5394141, REVISION 1LOGIQ™ P5 SERVICE MANUAL
5 - 6Section 5-3 - Block Diagram
5-3-2 LOGIQ™ A5/A5Pro Block Diagram
Differences between LOGIQ™ P5 and LOGIQ™ A5/A5Pro are followings :
- CPU Module : LOGIQ™ P5 is Pentium M and LOGIQ™ A5/A5Pro Celeron M
- Transmit pulse driver circuit : LOGIQ™ P5 is  dual puse driver for CFM mode, but LOGIQ™ 
A5/A5Pro is single pulse driver. So LOGIQ™ A5 /A5Pro circuit is more simple and cheap then 
LOGIQ™ P5.
- Keyboard : LOGIQ™ A5/A5Pro keyboard...

GE HEALTHCARE
DIRECTION 5394141, REVISION 1LOGIQ™ P5 SERVICE MANUAL
Section 5-3 - Block Diagram 5 - 7
5-3-2      LOGIQ™ A5/A5Pro Block Diagram (cont’d)
Figure 5-6   LOGIQ™ A5/A 5Pro System Block Diagram
BackplaneASSY
APS ASSY
D3.3 V
D5.0 V
D12 V A6 P
A6 M
A 12 P
A12 M FA N 9
LP 5
SH VP(+80)
SH VM (- 80)
TH VH P(0~60)
TH V H M ( - 60~0) TH VLP(0~60)
TH V LM ( - 60~0)
HV blockLV  block
I/F  &  C o n tr o l
AR P ASSY
CHACOM
SDRAM
(6 4 M x 2 )
FEBC
FP G ACPDI
FP G A
DSP
TM S 320C 6415SDRAM
(3 2 M x 2 )
FEBU...

GE HEALTHCARE
DIRECTION 5394141, REVISION 1LOGIQ™ P5 SERVICE MANUAL
5 - 8Section 5-3 - Block Diagram
5-3-2      LOGIQ™ A5/A5Pro Block Diagram (cont’d)
Figure 5-7   LOGIQ™ A5/A 5Pro System Block Diagram
LA 5 keybord A S S Y
BAC KPLAN E  ASSY
LA 5 S ubK eybordA S S Y
LA 5 M a inkeybord A S S Y
TG C  C TR LFunction 
KE YsTR AC K 
BALL
A/N  KEY
LA 5 LC D M O N  A S S Y
LC D  PAN EL
C ontroller
SPEAKER   ASSYSPEAKER   ASSY
AC  InletCore Filter
AC  Filter Module
AC  TR AN S 100V  ~ 240VTo A R P
100V  ~ 240V...