BT-300 Service Manual V2.0
Table of Contents TERMS OF WRR!T"................................................................3 C#T$O!.........................................................................................3 %OW TO CO!TCT CO!TCT #S &........................................................... ..' (EF$!$T$O! OF WR!$!)* C#T$O!* !OTE.............................+ )E!ER, REC#T$O! O! E!V$RO!ME!T............................ )E!ER, REC#T$O! O! E,ECTR$C SFET"...................../ SECT$O! . )E!ER, $!FORMT$O! $!FORMT$O!
.................1
. rouct Overvie....................................................................1 .2 rouct Features...................................................................0 .3 rouct Confi4uration..........................................................0 SECT$O! 2. TEC%!$C, (ESCR$T$O!................................... 2.2 Main #nit................................... #nit......................................................................... ..............................................2 ........2 1.2. Composition........................................... Composition.........................................................................12 ..............................12 2.2. Main Board..........................................................................13 2.2.35e6 Boar............................................................. Boar............................................................................. ................ 27 2.3(o88ler robe......................................................................... robe......................................................................... 2+ 2.3.1 Composition.............................................. Composition.......................................................................27 .........................27 2.'#C robe................................................................................2 2.4.1 Composition.............................................. Composition.......................................................................27 .........................27 2.4.2 Technical Description.................................................. Description.........................................................28 .......28 SECT$O! 3. TRO#B,ES%OOT$!).............................................30
1
BT-300 Service Manual V2.0 3. Warnin4 Si4n Occasion an Status C9ec:in4...................30 lar; Occasion an Status C9ec:in4 #8.................................3 3.2 Troubles9ootin4 on t9e Ot9er Situation.............................3 SECT$O! '. M$!TE!!CE !( C,E!$!)..........................33 '. Maintenance an Cleanin4...................................................33 Caution....................................................................................34 '.2 Re4ular $ns8ection................................................................3' SECT$O! 7. SEC$F$CT$O!S............................... SEC$F$CT$O!S....................................................37 .....................37
2
BT-300 Service Manual V2.0 3. Warnin4 Si4n Occasion an Status C9ec:in4...................30 lar; Occasion an Status C9ec:in4 #8.................................3 3.2 Troubles9ootin4 on t9e Ot9er Situation.............................3 SECT$O! '. M$!TE!!CE !( C,E!$!)..........................33 '. Maintenance an Cleanin4...................................................33 Caution....................................................................................34 '.2 Re4ular $ns8ection................................................................3' SECT$O! 7. SEC$F$CT$O!S............................... SEC$F$CT$O!S....................................................37 .....................37
2
BT-300 Service Manual V2.0
Terms of Warranty -
This product is manufactured and examined b strict !ualit control and inspection sstem.
-
Compensation Compensation standard concernin" repair# replacement and refund of the product complies $ith %Consumer&s protection la$' issued b (conomic )lannin" Dept.
-
BT*3++ is "uaranteed b B,-T- Co.# /td. 0nd its $arrant period is t$o ears from the date of purchase.
-
arrant repair or replacement $ill be made b B,-T- -erice Center $ith free of char"e durin" $arrant period if properl used under normal condition in accordance $ith the instructions for use.
-
,n the eent of a malfunction or failure durin" $arrant period# customer should inform B,-T- Co.# /td. of the model name# serial number# date of purchase and explanation of failure about the defectie e!uipment.
Caution
Feeral la restricts t9is evice to sale b6 or on t9e orer of a 896sician
3
BT-300 Service Manual V2.0
%o to contact us &
4
BT-300 Service Manual V2.0
5
BT-300 Service Manual V2.0
You can contact us the following address and telephone numbers for services and supplies.
Oversea Sales Team BISTOS Co., td. Product and Order Inquiries
!"#, !$, !%&'#(, )asan'Dong, )eumc*eon')u, Seoul, +orea Tel -!'!'/!'"/0! $a1 -!'!'/!'"/00
Customer Service Team Service 2equest and Tec*nical Su33ort
BISTOS Co., td. !"#, !$, !%&'#(, )asan'Dong, )eumc*eon')u, Seoul, +orea Tel -!'!'/!'"/0! $a1 -!'!'/!'"/00
Our We4site 5 6mail address
We4site *tt377888.4istos.co.9r 6mail 4istos:4istos.co.9r
Definition of Warning, Caution, Note
6
BT-300 Service Manual V2.0
For a special emphasis on agreement, terms are defined as listed below in operation manual. sers should operate the e!uipment
according
to
all
the
"arning
and
#aution
instructions.
$anufacturer or %ales agenc& ta'es no responsibilit& for an& 'ind of damage or brea'down that is caused b& misuse and failure to maintain the e!uipment.
Warning
( Warning indicates a potentiall& ha)ardous situation which, if not avoided, could result in death or serious in*ur&.
Caution
( Caution indicates a potentiall& ha)ardous situation which, if not avoided, ma& result in minor or moderate in*ur&.
Note
( Note indicates a particular point of information+ something on which to focus &our attention.
)eneral Precaution on 6nvironment
o not 'eep or operate the e!uipment under the environment listed below.
-
BT-300 Service Manual V2.0
(void placing in an area e9posed to moisture. o not touch the e!uipment with wet hand.
(void e9posure to direct sunlight
(void placing in an area where there is a high variation of temperature. perating temperature ranges from 1 # to 4 #. perating humidit& ranges from 3: to 75:.
(void in the vicinit& of ;lectric heater
(void placing in an area where there is an e9cessive humidit& rise or ventilation problem.
(void placing in an area where there is an e9cessive shoc' or vibration.
(void placing in an area where chemicals are stored or where there is in danger of gas lea'age.
(void dust and especiall& metal material into the e!uipment.
°
°
o not dis*oint or dis< assemble the e!uipment. %=% #o., >td. ta'es no responsibilit& of it
0ower off when the e!uipment is not full& installed. therwise, the e!uipment could be
)eneral Precaution on 6lectric Safety #hec' the items listed below before operating the e!uipment. -
e sure that power suppl& line is appropriate to use. /0ower (daptor nput 1 25 (#, 0ower (daptor utput 16, 2.7(8.
-
e sure that the entire connection cable of the s&stem is properl&
7
BT-300 Service Manual V2.0 and firml& fi9ed. Note =he e!uipment should not be placed in the vicinit& of electric generator, ?
Note =<3 is classified as listed below+ - =his e!uipment conforms to #lass , =&pe<F. - o not use the e!uipment in the vicinit& of flammable anesthetics and solvents. =he e!uipment conforms to #lass according to ;#@;A 661<1 /%afet& of ;lectric $edical ;!uipment8 - =his e!uipment conforms to >evel according to ;#@;A 661<1<2 /;lectromagnetic #ompatibilit& Be!uirements8
Note (ccessor& e!uipment connected to the analog and digital interfaces must be certified according to the respective ;# standards / e.g. ;# C5 for data processing e!uipment and ;# 61<1 for medical e!uipment 8. Furthermore all configurations shall compl& with the s&stem standard ;A 661<1<11CC3. f in doubt, consult the technical service department or &our local representative.
Section #. )eneral Information #.#
Product Overvie8
=<3 is the fetal monitor that measures the fetal heart rate/FDB8 which ma& be evaluated to predict fetal status and uterine contraction. =<3 irradiates ultrasound wave to the abdomen of a pregnant woman, and detects the oppler fre!uenc& signal reflected from the heart of the fetus. =<3 anal&)es this signal and displa&s the heart rate b& >;. (lso, =<3 provides the sound from the
C
BT-300 Service Manual V2.0 heart of fetus. =<3 measures the uterine contraction of a pregnant woman b& pressure sensors and displa&s the numerical values. (nd =<3 prints the heart rate of the fetus and the values of uterine contraction. #.!
Product $eatures
=<3 records the heart rate of the fetus, the uterine contraction
of a pregnant woman, and basic information of the e!uipment with a provided thermal printer. =<3 is capable of $onitoring of fetal heart rate with one or two
pulsed ltrasound =ransducer/s8. =<3 can record automaticall& with thermal printer through
printer setup.
=<3 is compact and light, potable and eas& to use.
=<3 uses a free voltage/1 E 24(# input8 power adaptor.
#.%
Product Configuration
=<3 s&stem consists of the followings. npac' the pac'age and chec' out the following items. (lso, be sure to chec' to see an& damage of main bod& and accessories =<3 $ain od& G ltrasound =ransducer/oppler 0robe8 < 2 ;(/1 ;( for =<3%8 H =ocotransducer/# 0robe8 < 1;( I ;vent $ar'er <1;( J =hermal 0rint 0aper < 2;( K 0ower (daptor <1;( L 0ower #ord <1;( M ltrasound Nel <1;( O (bdominal =ransducer/0robe8 elt <3 ;(/2 ;( for =<3%8 P serQs $anual <1;(
#ontents
Aame
escription
1
BT-300 Service Manual V2.0
=<3 $ain od&
$ain bod& of =<3 /2<&ear "arrant&8
oppler 0robe
ltrasound =ransducer for $easuring FDB
# 0robe
0ressure %ensor/=ocotransducer8 for $easuring terine contraction
;vent $ar'er
sed for a specific event/for e9ample, fetal $ovement8
R
R
0robe elt
sed for Dolding oppler 0robe and@or # 0robe
0ower (daptor
(daptor for transform (# 0ower to # 16
0ower #ord
(# 0ower cord
ltrasound Nel
ltrasonic coupling gel
Section !. Tec*nical Descri3tion 2.1
)eneral
=<3 is capable of monitoring fetal heart rate and maternal uterine contractions. %imultaneous trends of fetal heart rates /FDB8 and uterine activit& /(8 are plotted b& the built
11
BT-300 Service Manual V2.0 0articularl&, the reflection wave is shifted from moving targets li'e heart, blood, etc. =his phenomenon is a oppler effect. =his reflected signal is converted to electrical signal and it can get some useful information b& man& other processes. (lso, =<3 measures the uterine contraction of a pregnant woman b& pressure sensors and displa&s waveform b& means of numerical values. =his waveform informs the period and magnitude of the uterine contraction. %0/digital signal processor8 calculates the fetal heart rate and uterine
contraction,
and
transmits
them
to
#0
b&
serial
communication. #0 displa&s these values to the -
.2.
;ain
12
BT-300 Service Manual V2.0
G
H
Se& oard G 0rint ;ngine H $ain oard
!.!.
;ain Board
#ircuit iagram T (nalog 0art U
13
BT-300 Service Manual V2.0 V3. =he ><# impedance matching circuit is used to match the received ultrasound signal and the signal is amplified about 4 d at V5. 2 demodulates b& 1$D) to get the oppler signal and the most ade!uate signals are abstracted through the 4 stages filter. =<3 uses the 1$D) ultrasound, so the oppler fre!uenc& is low fre!uenc& about 1 2D). =he 0 (mps /6(, 68 perform the fre!uenc& doubling b& full
0F, this signal is ad*usted the volume /5, 7 steps8 and transferred to audio amplifier /78. =he other rectifier circuit /4(, 48 is used to calculate the heart rate, this signal is amplified and used >0F for envelope detection. (nd ad*ust the # level to fit in the input level of 25, (@ converter / 3.38. 2 %ound output circuit =he signal of oppler /01W%, 02W%8, alarm and information are summed in -(. =he signal for alarm/bee bee bee8 and information/ding dong8 is 0"$ signal generated from 43. =his signal is converted to be able to hear using B# low pass filter. =his signal and oppler signal are integrated and output to spea'er b& audio amplifier /78. H (@ converter X %0 circuit $#0324/278 (@ converter is possible to convert to 4 channels and converts each signal 0W1DB, 02WDB, # to 12 bits digital signal b& 2D) periodicall&. =he range of analog input signal of this (@ converter must be in 3.3. =he converted digital signal is transmitted to %0/168 b& serial and calculated an useful value using man& signal processing techni!ues. %0 is =$%32#542 b& = compan& and the fetal heart rate is calculated at .25 second using auto< correlation algorithm. =he output is transmitted to #0 to displa& and record. I =? burst pulse generation circuit 33, 34, 3-42 generate the burst signal for driving the ultrasound sensor and control signal for demodulation. =he timing diagram is below. T =iming iagram U 3.4-SD)
16
BT-300 Service Manual V2.0
=9 Beceive =ime 01W0 01W,V 02W0 02W,V
127 usec 32 usec
127 usec
J #0 circuit #0/438 is 0#16F--, when it has malfunction, #0 resets itself using $$1-5/1-8 watch;. =hermal print is operated 24. #0 controls the stepping motor and =0D to record the calculated data on the thermal paper. oor open or paper out is recogni)ed b& sensor. f that situation happens during recording, then #0 stops recording and displa&s Z%ee 0rn[ on the displa& panel. =ime and date are calculated automaticall& at the %12#77-/178. #0 reads the value and records on the recording paper. ;ach 'e& is recogni)ed b& #0 which performs each operation.
#onnection (.
oppler 0robe #onnector
1-
BT-300 Service Manual V2.0
- T ,M / 0 T 0)12
@1
> 1 > 2 > 3
0)12 1 2 3 9 8
@2 - ,; > 0 / > 1 > 2 > 3
/ M B + + : *9 )
1 2 3 9 8
- ,; > 0 /
/ M B + + : * 9)
D ) 1 5 ,D D ) 2 5 ,D
0in 1
@
escription (coustic stimulator enable signal
2 3 5 6
Aame %timulat or NA (012 NA %ignal
< < @
7
0W
Nround 12 power Nround =ransmitting and signal dentit& signal
receiving
. # 0robe #onnector @7
> 1 > 2 > 3
1 2 3 9 8
0)12
- ,; > 0 / C 5 ,D
/ M B + + : *9 )
0in 1 2 3 5 6 7
Aame @ A# < < NA < Nround (012 12 power %ignal # out signal A# < < #W dentit& signal #. $ar' \ac' #onnection
17
escription
ultrasound
BT-300 Service Manual V2.0 @9 - ,; > 0 /
1 2
297*2
0in 1 2
Aame %ignal NA
@ <
escription $ar' enable signal Nround
. oppler 2 control signal /onl& =<3 dual8 D )25) /25+ /251
D )25D)25=
0)
@4
-,;>0/
1 3 7
2 4 9 8
2
4
9
8
2
4
9
8
@3
@
0>0/5C> 1
3
0> 0/5-,;
7
1
T0>-D C(
3
7
0)12 /252 D )256 D )25,
Aame %ignal 02W0 >2W >2W1 >2W2 02WV 02W 02W% 02WDB (05 (012
escription =ransmitting and receiving ultrasound signal igital pulse for transmitting olume control signal olume control signal 1 olume control signal 2 17] control signal for demodulation ] control signal for demodulation oppler sound signal oppler heart rate signal 5 power 12 power
;. %pea'er #onnector
1C
BT-300 Service Manual V2.0 @9 - ,; > 0 /
1 2
297*2
0in 1 2
Aame %ignal NA F.
@ <
escription %ound output Nround
nput 0ower #onnector 1
@1
,)19
= T @ * + 2 + *+ 4 3 2
2 1
@19 297*2
0in 1 2
Aame 0 016
@
escription 16 input power 16 input power through power switch
N. #0 Beset #onnector @1+ ))
1 3
2 4
(-(T
) ,C D / - T
0in 1 2 3 4
Aame 00 B;%;= A# B;%;=
@ <
escription 0ower for program writing to #0 #0 reset signal < #0 reset signal
D. ual @ %ingle Becogni)ed #onnector
2
BT-300 Service Manual V2.0 D ) @18 - ,; > 0 /
1
2
D 0 / - ,> ; / (
0in 1 2
Aame 05 %NA(> .
@
escription 5 power Becogni)ed signal
#0 0rogram ownload #onnector @11 1 2 3 4 9 7
)) D ) )D 7 )D 9 A ( I D 5 D ,D D 5 D
) ,C D /
=his connector is used onl& to download the #0 program. \.
#entral $onitor nterface #onnector /B%<232#8 ) 1
> 1 > 2
D *- B :) 1 9 2 7 3 8 4 :
H TH
(FEMALE)
0in 2 3 5
Aame B? =? NA
@ <
escription Beceiving signal for central monitor =ransmitting signal for central monitor Nround
S. Se& oard #onnector
21
BT-300 Service Manual V2.0 @13 /(D5=1; /(D5=2; / (D 5 ( C J M /(D5,>< -(; 51 -(;53 -(;5 -(;57 / 5 D > 1 / 5 ) / 5 D > 2 / 5 D > C 5 ( < -(;(+ -(;(2 -(;(4 -(;(9 -(;50 -(;5C -(;5( -(;5;
1 1 1 1 1 2 2 2 2 2 3 3 3 3 3
1 3 7 : 1 3 7 : 1 3 7 : 1 3 7 :
2 4 9 8 1 1 1 1 1 2 2 2 2 2 3 3 3 3 3 4
+ 2 4 9 8 + 2 4 9 8 + 2 4 9 8 +
/(D5=1 /(D5=2 /(D50/M( C /(D50/M -(; 52 -(;54 -(;59 /5 )10/M /5)2 ( C J M 0 / M ( C -(;(1 -(;(3 -(;( -(;(7 -(;5B -(;5D -(;5<
= ( 0 D ( 2 +H2
0in 1 2 3 4 5 6 7 C 1 11 12 13 14 15 16 1-
Aame >;WD1N >;WD1B >;WD2N >;WD2B >;WB;#@R$ >;W(>$@B;# >;WAF >;W(>$ %;NW1 %;NW2 %;NW3 %;NW4 %;NW5 %;NW6 %;NW>W01@(>$ >WA1@>W0
@
17 1C
>W02 >WA2@>W A B;#@R$ #WB;F (>$@B;# %;N %;N1 %;N2
2 21 22 23 24 25
escription FDB1 green rh&thm >; signal FDB1 red rh&thm >; signal FDB2 green rh&thm >; signal FDB2 red rh&thm >; signal Becord/8 or )oom/%8 >; signal (larm/8 or record/%8 >; signal nformation >; signal (larm >; signal olume 1 step displa& signal olume 2 step displa& signal olume 3 step displa& signal olume 4 step displa& signal olume 5 step displa& signal olume 6 step displa& signal olume - step displa& signal 01 volume up/8 or alarm/%8 'e& 01 volume down/8 or volume up/%8 'e& 02 volume up 'e& 02 volume down/8 or volume down/%8 'e& Becord/8 or )oom/%8 'e& # reference 'e& (larm/8 or record/%8 'e& -
22
BT-300 Service Manual V2.0 26 %;N3 2- %;N4 27 %;N5 2C %;N6 3 %;N31 %;N( 32 %;N 33 %;N# 34 %;N 35 %;N; 36 %;NF 3- %;NN 37 NA 3C NA 4 NA ^ dual, % single
< < <
-
>. =0D #onnector ))24 @:
D ) - T B ( + - T B ( 1 T)=5CA T ) = 5 / ( T)=5D,
1 1 1 1 1 1
1 2 3 4 9 7 8 : + 1 2 3 4 1)
0in 1 2 3 4 5 6 7
Aame 0024 0024 NA NA 05 A# %=B; %=B; 1
@ < < <
escription 24 power 24 power Nround Nround 5 power < =0D strobe signal
=0D strobe 1 signal
23
BT-300 Service Manual V2.0 C 1 11 12 13 14 15
=0DW#S @=0DW>; =0DW NA NA 0024 0024
< <
=0D cloc' signal =0D >; signal /active low8 =0D data signal Nround Nround 24 power 24 power
$. $otor #onnector @12 28 3 9 11 14
B B B B
1 2 3 4
C C C C
1 2 3 4
A14 A23
2 1
2 7 : 19
M M M M
C C C C
A A A A
1 8
))24
+ 1 2 3
1 2 3 4 9
,)19
; ;
C 1 38 TD92+940<
0in 1 2 3 4 5 6
Aame $#S $#S1 $#S2 $#S3 0024 0024
8 7
9)
C 1 41
1 1
@
$otor cloc' $otor cloc' 1 $otor cloc' 2 $otor cloc' 3 24 power 24 power
escription signal signal signal signal
A. 0rinter oor #hec' #onnector @14 si"nal
0in 1 2
Aame %NA(> NA
1 2
@ <
297*2
escription oor open chec' signal Nround
. 0rinter 0aper #hec' #onnector
24
BT-300 Service Manual V2.0 @17
)0)( 22( 1+
7 4= C + 4
22<
7
11
4 1
7
12
191
D ) 13
19+
7 4= C + 4 4 1
1:
0in 1 2 3
Aame >> 05 0(0
@
escription >evel signal 5 power 0aper chec' signal
!.!.% +ey Board
#ircuit iagram
25
1 2 3
297*3
BT-300 Service Manual V2.0 @1 /(D5= 1; /(D5= 2; /(D5(CJM /(D5,>< -(;51 -(;53 -(;5 -(;57 /5D> 1/5) /5D> 2/5D> C 5 ( < -(;(+ -(;(2 -(;(4 -(;(9 -(;50 -(;5C -(;5( -(;5;
1 3 7 : 11 13 1 17 1: 21 23 2 27 2: 31 33 3 37 3:
2 4 9 8 1+ 12 14 19 18 2+ 22 24 29 28 3+ 32 34 39 38 4+
/(D5= 1 /(D5= 2 /(D50/M( C /(D50/M -(;52 -(;54 -(;59 /5 )10/M /5)2 ( C J M 0/M(C -(;(1 -(;(3 -(;( -(;(7 -(;5B -(;5D -(;5<
1 -
( ( ( ( ( (
; ; ; ; ; ;
5 ( ( 5 5 (
B 2 1 < 0 +
7 8 : 1+ 11 12
B D 3 D 2 < 0 D 1
-(;5; -(;5C
4 3 2 1
; C D ) D (
-(;5D -(;5(
( ( ( ( ( (
; ; ; ; ; ;
5 ( ( 5 5 (
B 4 < 0 3
7 8 : 1+ 11 12
B D 3 D 2 < 0 D 1
3
-
( ( ( (
; ; ; ;
5 5 5 5
1 2 3 4 9 7 8 :
( D ; C
1( 1D 1C 1D 2( 2D 2; 2C 2D
1< 1; 10 ) 1B 1 C M 2 C M 2< 20 ) 2B
18 17 19 1 14 13 12 11 1+
-
( ( ( ( ( ( ( ( (
; ; ; ; ; ; ; ; ;
5 5 5 5 ( ( 5 5 5
< ; 0 B 9 7 < 0 B
-(;57
1
-(;59
2
-(;5
3
-(;54
4
-(;53
-(;52
9
-(;51
7 8
- 1 /5 ) 10 /M
1
- 2 2
/5D> 1/5)
; C D ) D (
-(;5; -(;5C
4 3 2 1
-(;5D -(;5(
D 1
-(;5( -(;5D -(;5C
= ( 0 D ( 2 +H 2
2 -
1
D )
19
;
1
<
14
(
13
D
12
C
11
B
1+
0
:
19 1 14 13 12 11 1+ :
- 3 /5)2
2
1
- 4 2
/ 5D > 2 /5 D >
1
2 - 9
/(D5= 1;
D 3
-
/(D5= 1 0/M(C
1
(CJM
1
2
/(D50/M 2 D
D 2 D 7
/(D5(CJM
D 9
/(D50/M(C
/(D5,><
/(D5= 2; /(D5= 2
- 7 D 4 C 5 ( <
1
2 Title B T 3 + + D - A ( I C , C , T d e s i" n e d b B i s t o s D D e p t . - i e 0 D a te E
D ocum ent > um ber ) C B *1 + + *A ( I *) + 2 .D - > 화 요 일 # : 월 1 9 # 2+ + 3
e C - heet
1
of
1
=echnical escription FDB and ( are displa&ed on the -; 2, 4. 3, 5, 6, - >; displa& the state of alarm, recording, )oom and information operation respectivel&. %"1 %"- are 'e& switches. 1 is displa&ed the volume step.
#onnection =his connection is same as the 'e& board connection in main board.
!.%
Do33ler Pro4e
26
BT-300 Service Manual V2.0 2.3. Com3osition
G H
ltrasound %ensor G oppler #ase H 0robe #able
!.0
!.0.# Com3osition
2-
BT-300 Service Manual V2.0
G
# oard G # #ase H 0robe #able
!.0.! Tec*nical Descri3tion
#ircuit iagram
27
H
BT-300 Service Manual V2.0 1 B
1
1 M
V
P
C
C
C
U
U
U
1
2
3
@) 1
3
1
2
1
2
1
3
2 3
C 5 ( < 4
1
1 1
0)12
1 1
T/+94
1
9
1
7 2
9
-
+
8
-
3 :
T/+94 1
7
: 1+
-
4
4
1B
4
10
@)2
+
+
1+
T/+94 8
1C
1
UC_OUT1
2
GND1
3
AVP1
4
S G N D 1
0)12
11 0)12
12
C 1 C 5 ( < C 5 ( <
0)12
2 1
C 5 ( <
T
,>
3 C 3
C 2
D >
; 1; 2; 3; 4
;
78/+
1 1 1 1
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
Title
B T 3 + + D - C ) B ( C , C , T b B i s t o s D D e p t.
- i e 0
D ocum ent > um ber ) C B *1 + + * C *) + 2 .D - >
D ateE
1 1 9 1 7 1 2 3 4 9 7 8 : 1 + 1 1 1 2 1 3 1 4
2
화 요 일 # : 월 1 9 # 2 ++ 3
e C - heet
1
of
1
=echnical escription
=he uterine contraction is converted to electrical signal b& using pressure sensor Zstrain gaugeZ. =his signal is compensated the difference of production b& ad*usting the offset and gain. (nd it is transmitted to main board.
0in 1 2 3 4
#onnection Aame #W= 1 NA1 (012 %NA1
@ < <
escription # output Nround 12 power %hield ground
2C
BT-300 Service Manual V2.0
Section %. Trou4les*ooting %.#Warning Sign Occasion and Status C*ec9ing
1
(fter the monitor power on, nformation sound rings once.
2
f the ultrasound transducer pulls out of the connector during monitoring/error _48, it rings once ever& 3 seconds until the transducer is connected to the connector or pressing the =;/alarm8 pushbutton causes the alarm function disable.
3
"hen the 26C/record8 pushbutton is pressed for recording in case of print door open or under recording, when the door is opened, it rings once ever& 3 seconds and Z;BB 1[ < ZB;# ;BB 1[ in =<3
`Figure 4.1 Front 0anel for =<3%
`Figure 4.2 Front 0anel for =<3 4
"hen the 26C/record8 pushbutton is pressed for recording in case of paper empt& or printer door open, or when the paper runs out under recording, it rings once ever& 3 seconds and Z;BB 2[ < ZB;# ;BB 2[ in =<3 < appears in the FDB and the # displa& until the paper is installed or pressing the =;/alarm8 pushbutton causes the alarm function to be disabled and go bac' to the normal monitoring mode.
3
BT-300 Service Manual V2.0 5
"hen the auto
;rror Aumber
#ause
%olution
1
0rinter door open
#lose the door
2
0aper empt&
nsert the paper
0rinter door open X 0aper #lose the door X nsert the empt& paper
3
4
op1 probe open under normal operation
#onnect the op1 probe
5
op2 probe open under normal operation
#onnect the op2 probe
`=able 4.1 ;rrors and =rouble shooting
=larm Occasion and Status C*ec9ing <3
"hen the measured FDB is be&ond the alarm setting range for more than 2 seconds during monitoring, it rings ever& 3 second until the FDB is within the alarm setting range at least once or pressing the (>$/alarm8 pushbutton causes the alarm function to be disabled on purpose.
%.!Trou4les*ooting on t*e Ot*er Situation %.!.# Po8er o3eration
Aot operate the power
31
BT-300 Service Manual V2.0 1 #hec' (# input suppl& 11@22 2 #hec' 16 0ower (daptor output replace 0ower (daptor 3 #hec' # power in $ain oard 16 /0168 >2 point 24 /00248 2C < 1 point 5 /058 35 < 4pin 3.3 /03.38 31 < 2pin 1.7 /02.78 36 < 2pin 12 /(0128 C < 3pin 5 /(058 1 < 1pin %.!.! Do33ler o3eration
Aot displa& the DB value 1 #hec' DB signal in $ain oard 01WDB signal 4#< 7pin 2 Befer to displa& operation Aot hear the oppler sound 1 #hec' sound signal in $ain oard 01W% signal 6#<7pin 2 #hec' volume operation 5 3 Befer to sound operation %.!.%
Aot displa& the # value 1 #hec' # signal in $ain oard -# < 7pin 2 Befer to displa& operation %.!.0 Sound o3eration
1 2
Aot hear the (larm @ nformation sound #hec' the 0"$ 43 < 36pin #hec' the (udio (mp 7
%.!.( +ey o3eration
Aot operate the 'e& 1 #hec' $ain oard @ Se& oard cable re
32
BT-300 Service Manual V2.0
Aot operate the displa& 1 #hec' $ain oard @ Se& oard cable re Print o3eration
Aot operate print 1 #hec' the cable $ain oard @ 0rint ;ngine re
Aot operate serial communication 1 #hec' the serial in@out signal in $ain oard 26
Section 0. ;aintenance and Cleaning 0.#;aintenance and Cleaning
You can 'eep =<3 clean in man& different wa&s. se the following recommendations to avoid the damage or stain of the machine. f &ou use the material that is not approved, it ma& cause damage
33
BT-300 Service Manual V2.0 to the product. n this case, the product will not be guaranteed even within warrant& period. Caution
#hec' the main unit and the probes thoroughl& after cleaning. o not use the old and damaged e!uipment. =o 'eep the machine clean, appl& alcohol on a soft cloth and scrub the bod& and the probe once a month. o not use lac!uer, thinner, eth&lene, or the o9idi)ing substance. Seep the probes from dust or stain. "ipe the cable with a soa'ed cloth that is wet with warm water /4 @ 148, and with the clinical alcohol once a wee'. o not soa' the machine or the probes into an& li!uid or detergent. Seep the machine or the probes awa& from an& li!uid. 0.!2egular Ins3ection
0erform the periodical safet& inspection on =<3 once a &ear. For the inspection details, see the service manual provided b& %=% #o., >td. .
34
BT-300 Service Manual V2.0
Section (. S3ecifications
ltrasound Mode
Techni!ueE
)ulsed Doppler ae 0utocorrelation )rocessin" 3. A= 128㎲ 1M= 1+mcm2 + N 24+ B)M O2P of ran"e T1㎂
)ulse epetition ea'age #urrent ual Fetus
Bange, =ocotransducer ;9citation oltage Besolution andwidth, =ocotransducer
CC Belative nits 5.dc 1 Belative nit # .5D)
Po8er 2equirements
>ine oltage >ine Fre!uenc& 0ower #onsumption
1 25(# 5 or 6D) 7( ma9
P*ysical C*aracteristic
Deight "idth epth "eight
1C.1cm /-.5 in8 17.-cm/-.4 in8 2.1cm/-.C in8 6Sg/13.2 lbs8
6nvironmental C*aracteristics
perating =emperature perating Dumidit& %torage =emperature 6/1318 %torage Dumidit& perating (tmospheric 0ressure %torage (tmospheric 0ressure
35
1/58 to 4/148 3: 75: non
BT-300 Service Manual V2.0
$unctional $eatures
$; ual Fetal $ovement
Printer =hermal (rra& =&pe 0rint %peed 1, 2, 3 mm@min 0aper Feeding Function 0rint #ontrast 1, 2, 3 steps (uto 0rint 0eriod /ff8, 1, 2, 3, 4, 5, 6min Dis3lay -<%egment >; 2 #hannels /DB, #8<=<3%@3 #hannels /DB1, DB2, #8<=<3 Indicators Deart Bh&thm /Nreen %table, Bed nstable8 (larm n@ff %tate 0rint n@ff %tate (# 0ower /Nreen >;8 Sound oppler %ound with olume #ontrol /7 steps8 (larms %ound e9ceed FDB Bange nformation %ound oppler 0robe ff, 0aper ff, oor pen, "atch og Set'u3 (larm pper@>ower >imit alue 0rint %peed 0rint #ontrast (uto 0rint 0eriod
$unction ;vent $ar' Function Room in Function oppler2 ffset Function
61ternal in9 B%<232# for #entral $onitoring/ption8
36
