ATL超聲診斷設(shè)備維修資料總結(jié)
學(xué)習(xí)型號：超九,、超九HDI、超四
參考資料：超九英文維修手冊,，超九HDI英文維修手冊
型號簡稱：超九（簡稱UM9）,、超九HDI（簡稱HDI）、超四（簡稱UM4）
具體型號：超九有三種： phase1 , phase2 , digital plus(DP型)
超九HDI有： UM9 HDI,、 HDI.w.ESP
●UM 9
Control panel interface PCB
Control panel functions, keyboard function ,trackball function ,
footswitch function ,led function
Image memory PCB A1 Main system memory
Control panel interface PCB在觸摸屏下部,，鍵盤及觸摸屏輸入都連接到這塊線路板上。
例如：鍵盤及控制面板無法輸入,，是這塊電路板出現(xiàn)故障,。
設(shè)備起動時(shí)，前面驅(qū)動器先工作讀一號盤1秒~21秒,，指示燈亮,。后驅(qū)動器讀2號盤
22秒~56秒，指示燈亮,。
驅(qū)動器位置有兩種位置分別為：在設(shè)備后蓋部位或在設(shè)備整體推出后右側(cè)位。
更換電路板注意事項(xiàng)：1.對照老板子芯片與新電路板芯片是否缺少,。
2.注意跳基線是否相同,，不同則以老電路板為準(zhǔn)。
ACQUISITION GROUP 接收信號部
DIGITAL BEAMFORMER
探頭接口板 Interconnect Multiplex PCB
n multiplexer control
n relays & 8-channel high voltage switches
n personality data interface
通道板 CHANNEL PCBS A25,，A26,，A27，A28,，A29,，A30 共六塊.
圖象出現(xiàn)干擾有可能通道板壞
n 6PCBs with 8 channels each
n variable gain receiver
n performs TGC XMIT/REC ,DELAYS ,PULSING
n A/D OUTPUT
探頭控制板 Beamformer Controller PCB, A24 2D有干擾可能為這塊板壞。
n DETERMINGES PRF TIMING
n ARRAY TGC
n CHANNEL CONTROL AND SEQUENCING
n BEAMFORMER TIMING
MECHANICAL ACQUISITION
機(jī)械2D板 Mechanical 2D acquisition PCB 傳送MEC 2D和M-MODE,，把機(jī)械DOPPLER信號傳給DOPPLER電路板
機(jī)械DOPPLER板 把DOPPLER信號傳輸給DOPPLER 處理板 A17
電機(jī)控制板 MOTOR CONTROLLER PCB
伺服機(jī)械電路板 EFT SERVO PCB → IVT/TRT CONTROL
心電隔離板 ECG ISOLATION PCB 與PHYSIO SENSORS相連,，傳送PHYSIO信號到M-MODE/PHYSIO處理板 A3
信號處理部 PROCESSOR GROUP
射頻輸入模塊電路板 RF INPUT MODULE PCB A19
探頭信號傳輸?shù)皆摪澹幚砗驞OPPLER和COLOR DOPPLER 經(jīng)IMAGE BUS 到A21 混合DOPPLER PCB處理,。
2D/M-MODE處理板 ECHO INPUT MODULE PCB A18
處理2D 和M-MODE 信號來自A19,，傳送黑白圖象。,、
混合DOPPLER處理板 HYBRID DOPPLER PCB A21
DOPPLER 處理板 DOPPLER PROCESSOR PCB 傳送SPECTRAL頻譜,。A17
M-MODE /PHYSIO PROCESSOR PCB 處理和傳送M-MODE /PHYSIO A3
WALL FILTER PCB 處理COLOR DOPPLER濾波 A16
頻譜估算板 SPECTRAL ESTIMATOR PCB 處理2D COLOR / COLOR M-MODE A15
信號處理部PROCESSOR GROUP 有三種設(shè)計(jì)：PHASE 1 COLOR ,，PHASE 2 COLOR ，DIGITAL PLUS
顯示部 DISPLAY GROUP
2D黑白顯示板 GRAY SC INTERFACE PCB ,，2D黑白信號處理后送到AVP板上
OAG GRAY PCB 輸出地址發(fā)生器黑白板 A10
OAG COLOR PCB 輸出地址發(fā)生器彩色板 A14
DUAL BUFFER MEMORY PCB A12 ,？
彩色SC接口板 COLOR SC INTERFACE PCB 傳送COLOR DOPPLER （2D）到AVP。 A13
彩色圖象板 COLOR GRAPHICS PCB 傳送M-MODE COLOR DOPPLER 到AVP,。 A7
靜態(tài)圖象電路板 STATIC GRAPHICS PCB 傳送ANNOTATION TO AVP,。 A5
FRAME GRABBER PCB 楨抓取板，傳送FRAME GRAB DATA A9
SCROLLING GRAPHICS PCB 傳送SPECTRAL / M-MODE / PHYSIO TO AVP,。 A6
HARDCOPY INTERFACE PCB TRANSMIT SEPCTRAL / M-MODE / PHYSIO TO LINESCAN RECORDER A2
ADVANCED VIDEO PROCESSOR PCB AVP A8
REAR PANEL MODULE 后面板
PULSER POWER SUPPLY 給HIGH VOLTAGE CONTROL 提供電壓給六個(gè)通道板
POWER SUPPLY
有三個(gè)電源,，數(shù)字電源、脈沖電源,、模擬電源 DIGITAL POWER SUPPLY,，PULSER POWER SUPPLY，ANALOG POWER SUPPLY,。
脈沖電源控制探頭+/-80V
數(shù)字電源控制電路板+/-5V
●UM 4 plus
Control group 控制部
A15 系統(tǒng)控制板CPU SYSTEM CONTROLLER PCB
功能：接收用戶命令來自控制組件及腳踏開關(guān)
控制系統(tǒng)電路板及周圍設(shè)備
控制驅(qū)動器數(shù)據(jù)命令
提供所有的測量和分析功能
生成報(bào)告及驅(qū)動打印機(jī)工作
KEYBOARD CONTROLLER 鍵盤控制板
功能：把用戶輸入信息通過該板傳送給系統(tǒng)控制板A15
DISPLAY GROUP 顯示部
A14 顯示板 DISPLAY CONTROLLER PCB
功能：產(chǎn)生所有的TV定時(shí)信號
產(chǎn)生混合視頻
產(chǎn)生字符及圖象
產(chǎn)生視頻多路傳輸2D及M-MODE
圖象增強(qiáng)的后處理
把圖象信號給監(jiān)視器,，并且把A/V給輔助監(jiān)視器及外圍設(shè)備
控制實(shí)時(shí)圖象和VCR回放的視頻輸出
A12~13 M模式和DOPPLER模式顯示轉(zhuǎn)換 TM-MODE 2D SCAN CONVERTER
A12 TM-MODE PCB 無此板，M模無法顯示
存貯M-MODE AND DOPPLER
處理,、格式M-MODE,， DOPPLER ，ECG數(shù)據(jù)
傳送M-MODE,，DOPPLER,，ECG 到周圍設(shè)備
A13 TM-QUXILIARY PCB
產(chǎn)生注釋及字符為滾動的M-MODE，DOPPLER
A9~A11 二維圖象顯示轉(zhuǎn)換 2D SCAN CONVERTER
A9 S.C.RFACE,，COMBO OR CINE PCB
讀寫功能記憶 memory read/write control
receives control,acquisition and address data from beamformer,pulse processor,and motor and system controllers
acquisition control of 2D and tm-mode scan converter groups via acq and sample clocks
frame averaging(smoothing)
interpolates sector coordinates to rectangular coordinates(row and column)for display
A10 掃描轉(zhuǎn)換緩存板 SCAN CONVERTER BUFFER PCB
存儲凍結(jié)楨2D圖象及圖象存儲功能
stores 2D images for freeze frame and image store’function
2D scan conversion,shifts a line of video in at ultrasound scan rate(1-10khz),shifts out at TV horizontal sweep rate.
A11 輸出地址發(fā)生器 OUTPUT ADDRESS GENERATOR
產(chǎn)生FRAME RATE
manipulates display addresses to produce pan/zoom magnification,image boundary limits.and other display features.
A5 脈沖處理板 Pulse processer pcb
S1. system receiver functions
Other functions same as pulse processor
S2. generates 2D XMT pulses for all scanheads
Controls power output
Generates TGC for sys rcvr and bmfmr front end pcb(A2)
Converts analog rf into digitized echo data
Edge enhancement/dynamic range
A7 Doppler processor PCB
Generate cw and pulsed Doppler signals from system receiver
Wall,thump and noise filtering
A/D conversion
Generates forward and reverse audio signals
A8 電機(jī)控制板 MOTOR CONTROLLER PCB
Positional control for mechanical scanheads
- end-fire(wobblers)
- access (rotary,incl dplx cx)and mercury
- annular array
sends xdcr fire to pulse processor pcb(A5)for all mechanical s/hs,incl AA
I.D’s mechanical scanheads
ACQUISITION GROUP 接收部
A1~A4 BEAMFORMER
A1 RF SELECT & DOPPLER PULSER PCB
與ANNULAR 探頭,、DFT、XDR ID相連
A2 Beamformer front end PCB
T/R Switchs block pulsers from reaching TGC
High coltage mux seitches (HV’s).Route pulsers to form correct aperture
TGC amplification of incoming rf signals
Sends eceived rf to beamformer pcb
A3 探頭聚焦板
Crosspoint switches derotate (restores sequencial order of individual channel)
Removes delays from individual incoming rf signals
Depth of focus control
Demultipeses (combines)and amplifies rf signals
Sends linear rf to pulse processor
A4 探頭控制板
Downloads operating parameters (depth,mode,s/h type,etc)from system controller to programmable pulse width generator
Controls beamforming
- phases aperture (creates parabolic beam,outer elements fire first;center elements fire last;via mechanical/analog delay lines)
- varies transmit focus by zone(varies delay ratios of parabolic beam curve)
- shifts aperture via hv mux switches on front end pcb
- shifts delays to maintain symmetry (rotation)
sends pulsers to beamformer front end pcb
controls beamformer focus pcb derotation (removing aperture phasing)
ID’s linear scanheads,incl AA
Sends liner xdr fire to pulse processor
鍵盤快捷鍵
Ctrl + E
用戶默認(rèn)菜單,，可以調(diào)節(jié)各項(xiàng)設(shè)置
Ctrl + O
監(jiān)視器左面顯示去掉
Ctrl + S
檢測錄象帶,，ERROR! Diskette not inserted in Drive
Ctrl + L
出現(xiàn)版本號
Ctrl + ;
屏幕右面出現(xiàn)數(shù)行文字
Ctrl + Z
日期時(shí)間
Ctrl + U
是否保存探頭參數(shù)
