HTR Series
Contents
1. ee ML zw iL m un 4 Ver 1 0 HT series Service Manual 2 Check of input voltage TPO CN1 1 ITIL 9V 14V 3 Power voltage in the circuit TPO TP1 4 75V 5 25V TPO TP2 3 15 3 45V TPO 1C12 O ITIL 7 6V 8 4V IC13 OUT 2 65V 2 95V TPO D3 kasode 2 0V 2 4V TPO 1C8 5 9 4V 7 6V 4 Check of signal waves 1 39 19 968 MHzZ 4 38 4 2 om Check of tuning fork vibration 800 1000 2 CH1 TP6 200mv or more CH2 TP5 9V or more 2 AN IDRA SHINKO DENSHI CO LTD ov AAT AVA AVA AVA ki UU QU UU OU 70 O 100 series Service Manual Ver 1 0 ViBRA SHINKO DENSHI CO LTD Chapter 4 Adjustment Setting 4 1 Span calibration 1 Calibration with built in weight HTR only a Push ON OFF to power ON D H LLLI then DH O O GDO appears b Push Bcay appears c When 4 l is displayed push CAL again d The built in weight unit starts to operate and the balance will automatically start span calibration e The display changes in the order of 7 300 40540 0 When span adjustment is completed the display returns to weighing mode 2 Calibration with external weight for HTR available only wi2. Windshield Operation keys LCD display with back light Cover for Connector for under weighing hook peripheral devices DIN8PIN RS232C connector D SUB 9PIN AC adaptor connector HT series Service Manual Ver 1 0 ViBRA SHINKO DENSHI CO LTD Chapter2 Electric Electronic Construction 2 1 Block Diagram Adaptor HT IO RE2320 hide CIRCUIT CIRCUIT Oriver BOARD Calibration Weight Unit CHTR only Battery Unit Option Processor Oscillation Circuit HI DP CIRCUIT BOARD HT series Service Manual Ver 1 0 2 2 Whole Wiring ViBRA SHINKO DENSHI CO LTD Rafael Connectar ibi S is b Cable Ferrite Core for EMC Cable Ferrite Core for Calibration Weight Tuning Battery Unit Fork Option LMSW Cable n Ferrite Core for Ekl nn a LEX an GH CONS GN 4 545 EN GHG HT DP CIRCUL BOARD 3 HT series Service Manual Ver 1 0 AN IDRA SHINKO DENSHI CO LTD Chapter 3 Troubleshooting 3 1 Troubleshooting Procedure Display is settled Corner Error Check K address Adjustment data YES Address data Re Check Linearity etting Linearity ustment an 5 10 ANDE k board board Scale IS d defective defective norrral Waves Tuning fork Mechanical Replace san sensor unit HT
3. DP defective defective Replace Replace tuning fork Mechanical JI HT series Service Manual Ver 1 0 AN IDRA SHINKO DENSHI CO LTD 3 2 Troubleshooting Table SYMPTOMS CAUSES amp REMEDY No display lights on HT DP board is defective AC adaptor is defective Inner connecting cord is not properly connected Battery is consumed 2 r7 7 appears Wrong weighing pan is applied on the display Tuning fork sensor or mechanical unit is defective HT DP board is defective Setting of address data has mistake Coefficient memories address data have changed by noise or static electricity Re set the address data and or adjust the linearity Display does not get settled down Some parts such as stopper touches others Weighing pan touches other parts Foreign substances is in the scale Display does not repeat correctly u Tuning fork sensor or mechanical unit is defective Zero point drifts 5 Affected by wind or disturbing oscillation Ja r r appears with net load less Gross weight applied to the scale pan net weight than full capacity tare value exceeds the scale capacity Setting of address data has mistake Coefficient memories address data have changed by noise or static electricity Re set the address data and or adjust the linearity Wrong external weight is used in the span calibration Span error is too much Tuning fork s
4. block e Loose two bolts fixing the weight stay and remove the weight stay Weight stay 21 HT series Service Manual Ver 1 0 ViBRA SHINKO DENSHI CO LTD f Pull out the connectors and remove HT DP board g Remove internal weight ASSY first and then remove span weight span weight h Loose three screws and remove the mechanical unit 22 HT series Service Manual Ver 1 0 AN IDRA SHINKO DENSHI CO LTD 2 How to install the mechanical unit please refer to the pictures in How to remove the mechanical unit a Attach the mono metal fixing block to the mechanical unit b Put the mechanical unit in the chassis torque 20kgfcm c Install the span weight d Connect the connector cables to HT DP board And attach HT DP board to the lower case e Remove mono metal fixing block form the mechanical unit f Install the weight stay g Put the sensor cover h Connect RS cable to LF board power source board and attach the nylon cramp 3 Adjustment after the replacement with new mechanical unit In case of any defection in the mechanical unit the mechanical unit should be replaced with new one After the replacement with new mechanical unit please make following adjustment and setting Replacement with new mechanical unit Corner Error Adjustment LLL LL d See 4 2 Linearity Adjustment See 4 4 Calibration of internal weight HTR onl
5. 7 078 0010 Addr No Press 079 Zero Tare 1 70010 Every time A Pzero Tare 15 pressed the numerical number changes as gt PeOODErF Example To set at addr 0701 select as the first step 0 K Press Function once then numerical number in this case shifts to upper digit Uzaagg 0 en O Press 07 Zero Tare again to display number right side ouu Fo a a 7 Press A Piero Tare key to select 4 in the right side By pressing ES Function you set 4 4 in addr iif and move to next address 8 Input other data by the same procedure When you set data in all the address the balance returns to weight display screen Even after you set all data and return to weight display screen the balance is still in the maintenance mode In order to exit from the maintenance mode please turn the power switch OFF If you want to stop address data setting you push Set and return to weight display screen in the maintenance mode 14 HT series Service Manual Ver 1 0 ViBRA SHINKO DENSHI CO LTD 4 4 Linearity Adjustment a Linearity adjustment of HT R 80 and HT R 120 1 While pressing Zero Tare and SFuncton and turn the power switch ON You can enter maintenance mode 2 Press Function until 7 AL 2 appears after displaying D E uat O 3
6. L _ rl L _ a ub ou EON NL JOYA 00 E a 1 4 LIT pas dd TRETEN Sn mia p sz ss E M L e 2271 amp gt M TE E 4 aul li p nd m m m E T 1 8 E un 2 e e dm r coh Ne n Quo 99 bad 5 1 idl t TM 90090204900220205 fi o w Eus T 2 _ dap uc Sm tw a d Hi E am o SU z maxim ui tly z E min Ti _ ae 35 m 9 ic im n MO cu i E uma 9505060 MUN e a m mm iria ch Wil d nmn ay JL i aial lulu NA ER m E 274 ie zs BH S my Dis og ge ay MN aw as MT cf an EMT a i am or S 4 emt A cyl zy c4 zi dy dJ me ww g a amu V gaeesesesseseees PES Um Tu mj Rm jo Me UN SEE BB TE CLE on am taam 9 ifr i T
7. Table of Recommended Minimum Criteria for Adjustment Repeatability Non Linearity HT R 80 0 00010 0 00059 0 00030 120 0 00010 0 00050 0 00030 220 0 00010 0 00050 0 00030 1 standard deviation 2 1 3 of full capacity loaded Repair Tool List 1 Mono metal fixing block 2 Stopper adjustment block 25 HT series Service Manual Ver 1 0
8. While Pressing Zero Tare first press E Function together and release both 4 starts blinking in the display Zero adjustment is automatically performed 5 When display changes to blinking put the external weight according to the table below an YO 6 When a appears in the display press 3 Function The display changes to 5 YO and returns to weight display screen HT R 80 HT R 120 additional loaded weight additional loaded weight accumulated load accumulated load 30g 120g 15 HT series Service Manual Ver 1 0 ViBRA SHINKO DENSHI CO LTD b Linearity adjustment of HT R 220 1 While pressing Zero Tare and as Function and turn the power switch ON You can enter maintenance mode 2 Press S runcson until L F L z appears after displaying DFE 3 While Pressing Zero Tare first press runetion together and keep pressing both When O0 LAL appears in the display release both keys 4 While Pressing Zero Tare first press Function together and release both 5 am WON starts blinking in the display Zero adjustment is automatically performed 6 When om i 5 0 appears put the external weight of 100g The display changes am gt put additional 120g 220g in accumulate 7 115 appears again and remove 120g 100g remains on the pan The display changes am 01 and
9. AK a I SHINKO DENSHI CO LTD Tuning fork Analytical Balance HTR Series Service Manual subject to technical modification Ver 1 0 HT series Service Manual ViBRA SHINKO DENSHI CO LTD CONTENTS Chapter 1 Chapter 2 X Electric Electronic Construction ITIN ICWITR 2 1 2 2 Chapter 3 Troubleshooting 3 1 Troubleshooting Procedure NT MO MO EET LET Z 3 2 Troubleshooting Table NT MO E 3 3 Primary Check 3 4 Check of Electric Electronic Parts Chapter 4 Adjustment and Setting 4 1 Span Calibration NM O 4 2 Corner Error Adjustment TN M MN 2 4 3 Address Data Check and Re setting TIT O IIrMm 3 4 4 Linearity Adjustment NI NM ELTE S 4 5 Adjustment of Over load Stopper TITELLELELEEELELEEELELELEEELELELELELELTL IU 7 Chapter5 Parts Replacement 8 5 1 How to Remove the Case NON on 8 5 2 Sequence of HT DP board replacement 5 3 Sequence of Mechanical Unit Replacement INN III 21 5 4 Sequence of Tuning fork sensor Replacement INN I L4 Appendix oo DO NOM RS The Table of Recommended Minimum Criteria for Adjustment Repair Tool List Ver 1 0 HT series Service Manual ViBRA SHINKO DENSHI CO LTD Chapter 1 Total View External weight type HT 80 C E HT 120 C E HT 220 C E Internal weight type HTR 80 C E HTR 120 C E HT R 220 C E
10. Sequence of HT DP Board Replacement 1 How to replace HT DP board a Remove the case referring to 5 1 b Remove wires to tuning fork sensor by welding solders at HT DP board c Loose and remove fixing screws d Pull out all connectors and remove HT DP board e Solder wires of tuning fork sensor to HT DP board H White i Black White f Plug connectors g Place HT DP board on the chassis and fix the screws 19 HT series Service Manual Ver 1 0 AN IDRA SHINKO DENSHI CO LTD 2 Adjustment after the replacement of HT DPboard Replacement with new HT DP board Address data re setting oes See 4 3 gt See 4 4 Linearity Adjustment Calibration of internal weight HTR only See 4 1 Span Calibration d See 4 1 Performance check 20 series Service Manual Ver 1 0 ViBRA SHINKO DENSHI CO LTD 5 3 The Sequence of Mechanical Unit Replacement 1 How to remove the mechanical unit a Open the case and remove nylon cramp fixing the connector cables c Loose four screws and remove the sensor cover Sensor cover Attach mono metal fixing block to the mechanical unit Mono metal fixing
11. an calibration can be performed with external weight of 1 2 of full capacity Nevertheless itis recommended to use weight closer to full capacity for accurate calibration b Error messages a r r s The external weight is heavier than full capacity r E The external weight is lighter than 1 2 of full capacity 2 r The data error exceeds 1 of the full capacity IY Er E Any object is put on the pan during calibration procedure O Er r The weight error exceeds 10 of E The internal drive unit malfunctioned during span calibration When one of these messages is displayed calibration will not be performed c When you want to stop the calibration push SET The balance goes back to the weighing mode 11 HT series Service Manual Ver 1 0 ViBRA SHINKO DENSHI CO LTD 4 2 Corner Error Adjustment 1 Turn the adjusting legs to bring the bubble of the level to the center of the circle 2 Put the full scale weight at and Push Zero Tare Move the weight to and C To adjust bolts and L referring to the table below so that the corner error is within the specified range corner error adjustment table Error is positive to the center Error is negative to the center a Drive the bolt clockwise Drive the bolt counter clockwise Bolt L Bolt R HT series Service Manual Ver 1 0 ViBRA SHINKO DENSHI CO LTD 4 3 A
12. ddress Data Check and Re setting a Why do you need to re set the address data and in which case Address data coefficient memories sometimes changes by noise in the environment or by static electricity You can re set the address data so as to bring back the balance to the initial factory condition Address data Re set Span Primary coefficient memories changed address data Calibration 77 Check see 4 1 see 3 3 You can find the address data sheet on the bottom of the balance data sheet How to read the address data sheet Number of Program number Tuning fork From left to right Add 000 07 From left to right Add O8 OF From left to right Add 10 17 From left to right Add 18 1F From left to right Add 20 27 From left to right Add 28 2F From left to right Add 30 37 From left to right Add 38 3F From left to right Add 40 47 From left to right Add 48 4A 13 HT series Service Manual Ver 1 0 ViBRA SHINKO DENSHI CO LTD b How to re set the address data While pressing Zero Tare and Function and turn the power switch ON You can enter maintenance mode 2 Press and hold 2 Function When L AA on the display release the key Press and hold ey Function again and when r appears on the display release the key data 3 The first address data Addr Number 00 is displayed
13. ensor or mechanical unit is defective HT DP board is defective Setting of address data has mistake Coefficient memories address data have changed by noise or static electricity Re set the address data and or adjust the linearity Non linearity is too much Tuning fork sensor or mechanical unit is defective Setting of address data has mistake Coefficient memories address data have changed by noises or static electricity Re set the address data and or adjust the linearity Wrong external weight is used in span calibration HT series Service Manual Ver 1 0 AN IDRA SHINKO DENSHI CO LTD SYMPTOMS CAUSES amp REMEDY Corner Error is too much Mechanical unit is defective Leaf spring is bent or twisted Pan base touches other parts Display suddenly disappeared Battery is being consumed HT DP board is defective AC adaptor is defective Da E r 0 or HT DP board is defective appears Coefficient memories address data have changed by noises or static electricity Re set the address data and or adjust the linearity appears 1 The weight of reference sample is too light 96 mode counting mode appears 1 Wrong external weight is used in span calibration external weight must be more than 50 of the scale capacity appears 1 Span 1 of the scale capacity in span calibration Check the applied external weight a
14. ppears 1 Interval of output is not properly set see 16 10 HT user s manual appears 1 Internal clock is defective Check internal clock and replace HT DP board if necessary appears 1 The weight error exceeds 100 00mg Re set the weight error within 100 00mg see 14 6 in HT user s manual appears 1 Wrong operation in Cumulate Function or Net Addition Function see 12 in HT user s manual HT series Service Manual Ver 1 0 ViBRA SHINKO DENSHI CO LTD 3 3 Primary Check 1 Is there any wind around the site Is there any oscillation Pan Pan base 3 Is the weighing pan right one When you attach or remove pan 4 Is the windshield properly attached pan base windshield take care no dust and or liquid gets into the balance nor under pan pan base 5 The working table is stable 6 The balance is installed in level Position of the air bubble in the level Adjuster 7 AC adaptor is properly connected both with the scale and with outlet adapter connector HT series Service Manual Ver 1 0 SHINKO DENSHI CO LTD 3 4 Check of Electric Electronic Parts Check of HT DP board 1 ha xm me EL 10000
15. remove 100g 8 When display changes to am blinking put the external weight according to the table below am 40 you don t need to push Function key when On5 appears 9 The display changes to Ho and returns to weight display screen HT R 220 additional loaded weight accumulated load 50g 50g 1009 50g 150g 09 50g 2009 200 2209 16 series Service Manual Ver 1 0 ViBRA SHINKO DENSHI CO LTD 4 5 Adjustment of Over load Stopper 1 Enter maintenance mode see 4 3 and 4 4 Stopper adjustment 2 Put stopper adjustment block on the mechanical unit block referring to the picture 3 Adjust the level of the balance Zero Tare and check whether the indication is stable 4 Lose stopper fixing screw on the side of mechanical unit 5 Press m 6 Adjust the stopper by sliding the stopper the stopper should slightly touch with guide link 7 Fix the stopper fixing screw Stopper fixing screw 17 HT series Service Manual Ver 1 0 ViBRA SHINKO DENSHI CO LTD Chapter 5 Paris Replacement 5 1 How to Remove the Case 1 Remove the weighing pan and pan base Weighing Pan O Pan Base 2 Remove the WS Ring by turning it counter clockwise WS Ring 3 Remove the windshield 4 Remove the upper case h 18 HT series Service Manual Ver 1 0 ViBRA SHINKO DENSHI CO LTD 5 2 The
16. th function setting zl see users manual 5 2 description of function a Push ON OFF to power ON D H 2 then DH H appears b Pust 8 CAL DEAL appears c When Fu 54 L is displayed push CAL again d D H4 EMAN appears again then starts blinking Zero point adjustment is automatically performed e When 5 put the external weight around the center of the pan Display starts blinking to adjust the span automatically f law 5 YE eL appear in sequence The span calibration is completed and the balance automatically returns to weighing mode 10 HT series Service Manual Ver 1 0 ViBRA SHINKO DENSHI CO LTD 3 Calibration of internal weight HTR only Set 2 rim i infunction 2 for function setting see 14 5 in HT user s manual Z 7 Push Function to display 7 EF LAL b While pressing Zero Tare push 5 Function together and release both keys am starts blinking and a F 5 appears c Put the external weight of full capacity on the pan d a m F 5 starts blinking and the display changes to 5 7i e Remove the external weight from the pan f The display changes Le H gt L FE F m d When the calibration is successfully completed appears on the display g Push ES Function to return to weight display screen 4 Hints for span calibration a The sp
17. y RE BIRO a See 4 1 Span Calibration d See 4 1 Adjustment of over load stopper Performance check 23 HT series Service Manual Ver 1 0 gt See AN IDRA SHINKO DENSHI CO LTD 5 4 The Sequence of tuning fork sensor 1 How to replace the tuning fork sensor 1 Remove the mechanical unit from the chassis see 5 3 Leave mono metal fixing block attached to the mechanical unit 2 Loose two bolts and remove the tuning fork sensor 3 Install new tuning fork sensor to the mechanical unit with two bolts torque 20kgfcm 4 Install the mechanical unit to the chassis see 5 3 2 Adjustment after the replacement of tuning fork sensor Replacement with new mechanical unit Corner Error Adjustment cress See 4 2 Linearity Adjustment ls a See 4 4 Calibration of internal weight HTR only d See 4 1 Span Calibration MENRENENNNME See 4 1 Adjustment of over load stopper gt See m Performance check 24 HT series Service Manual Ver 1 0 ViBRA SHINKO DENSHI CO LTD Appendix
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