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ISHIDA IGB-150, Service Manual

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ISHIDA IGB-150 Service Manual Download Page 33

Manual No. 085-3435-07 

32/45 

IGB/IGX Series (Overseas Specifications) Service Manual 

 

3.2.2 Main Board (PS-018) 

Parts Surface of Main Board (The LCD and tact keys are installed on the soldering surface) 
 
 

 

 
(1)  SW1: Memory Switch 

 

Used to write the data when performing initialization in Test Mode. 

 

Used to save (write) the data in E2ROM after changing Country No. and Scale No., and performing 
Span Adjustment. 

 
 

(2) Connector 

XJ1 

 

This connector is not used. 

 

Pin No. 

Signal Name 

Pin No.

Signal Name 

1 IN1  6 NC 
2 OUT4  7 

RESET 

3 OUT3  8 VPP 
4 OUT2  9 GND 
5 OUT1 

 

10 VCC 

 
(3) Connector 

XJ2 

 

This connector is used for DC input. 

 

Pin No. 

Signal Name 

1 +DC 
2 -DC 

 

Summary of Contents for IGB-150

Page 1: ...ces for this machine Use by anyone except the above personnel is not permitted Manual No 085 3435 07 Read this manual thoroughly and do not perform installation operation maintenance or inspection unless you fully understand all of the contents Keep this manual in a safe place where you can refer to it easily while installing operating and carrying out maintenance or inspections Warning 86547 ...

Page 2: ...ck 2 Detailed Check 19 2 6 C5 Mode Program No Display 19 2 7 C6 Mode RAM Clear and E2ROM Clear 20 2 8 C7 Mode Weighing Condition Setting 21 2 9 C8 Mode E2ROM Data Reading 24 2 10 C9 Mode Board Inspection A D Check I F Check 26 CHAPTER 3 HARDWARE CONFIGURATION 27 3 1 Mechanical Parts 27 3 1 1 Load Cell 30 3 2 Electric Parts IGB Series 31 3 2 1 IGB Block Diagram 31 3 2 2 Main Board PS 018 32 3 2 3 P...

Page 3: ... if not heeded may result in loss of life or serious injury Caution Indicates information that if not heeded could result in relatively serious injury damage to the machine or faulty operation 2 Explanatory symbols Symbol Meaning Note Indicates additional information of particular importance Reference Reference Indicates a page to refer to Information Information Indicates information to help you ...

Page 4: ...wer sources ranging from 100 VAC to 240 VAC is available 1 2 Standard Specifications Item Contents IGB Series IGX Series Model Name IGB 60 IGB 150 IGX 60 IGX 150 OIML R76 Class III Weighing Capacity 60kg 150kg 60kg 150kg Graduation 0 02kg 0 05kg 0 02kg 0 05kg Accuracy 1 3000 Non OIML ASIA Weighing Capacity 60kg 150kg 60kg 150kg Graduation 0 01kg 0 02kg 0 01kg 0 02kg Accuracy 1 6000 1 7500 1 6000 1...

Page 5: ...Height 25mm Mark Battery Zero point Now subtracting tare Stable Weight unit kg lb Over Under Accept VFD Numerics 5 1 2 digits Height 29mm Mark Zero point Now subtracting tare LED Over Under Accept Tare Subtraction Key in tare Preset tare Preset Function Program Mode 10 PLUs from PLU 1 to PLU 10 Tare weight Upper limit Lower limit Upper Limit Range More than the lower limit within 5 digits 99999 Lo...

Page 6: ...Manual No 085 3435 07 5 45 IGB IGX Series Overseas Specifications Service Manual 1 3 Appearance IGB Series Asia Oceania Specification IGX Series Asia Oceania Specification ...

Page 7: ...Manual No 085 3435 07 6 45 IGB IGX Series Overseas Specifications Service Manual 1 4 Display Unit IGB Series Asia Oceania Specification IGX Series Asia Oceania Specification ...

Page 8: ...Manual No 085 3435 07 7 45 IGB IGX Series Overseas Specifications Service Manual 1 5 Outer Dimensions Unit mm ...

Page 9: ...Manual No 085 3435 07 8 45 IGB IGX Series Overseas Specifications Service Manual memo ...

Page 10: ... Asia Oceania specifications For specifications for other countries use the corresponding keys 2 1 1 Starting Each Mode Scale ON Start Check Normal Mode Test Mode Program Mode Voltage Check IGB only Setup Mode Press for 2 seconds or more Release ON OFF key Then press one of these keys while all segments are illuminated Operation Manual 2 1 2 Ending Test Mode C1 Mode C2 Mode C3 to C9 Mode In Mode I...

Page 11: ...IGX Series 5V is always supplied to the circuit voltage Increases the numeric value when the numeric value is set Advances the mode when conditions are set Adjusts the zero point Decreases the numeric value when the numeric value is set Reverses the mode when conditions are set Adjusts the span point Determines the data in the Details Mode Changes between Adjust ZERO key u display and Adjust TARE ...

Page 12: ... check 1 simplified check All LEDs light up C4 Display check 2 detailed check Each segment lights in sequence for each display digit C5 Program No display C6 RAM clear Program mode data E2ROM clear Program mode data and Test mode C1 data Span adjustment is required C7 Settings for weighing conditions C8 Reading E2ROM data C9 Board check A D check Interface check for factory inspection ...

Page 13: ... 6 4 6 6 6 5 5 5 Note 1 By setting the country code weighing conditions will function based on the default data from address 112 to 115 2 The data is set to meet certified conditions for each country so there is no need to change the data 3 Position A indicates the upper position of one byte data and B indicates the lower position 4 As for Weight a function is selected with 1 2 4 and 8 in bit unit...

Page 14: ...nge 4 8 A 8 19 3000g 1g 1 3000 Single Range 0 8 A 8 20 150kg 60kg 0 05kg 0 02kg Dual Range 6 C 5 8 21 60kg 30kg 0 02kg 0 01kg Dual Range 2 B 5 8 22 30kg 15kg 0 01kg 0 005kg Dual Range B B 5 8 23 15kg 6kg 0 005kg 0 002kg Dual Range 7 C 5 8 24 6kg 3kg 0 002kg 0 001kg Dual Range 3 B 5 8 25 6000g 3000 2g 1g Dual Range 0 B D 8 26 3000g 1500 1g 0 5g Dual Range 9 B D 8 27 150kg 150k 0 1kg 0 05kg Dual Ran...

Page 15: ... 2 5 1 5 0 of weighing capacity Pressing ZERO selects the next item in the above sequence and pressing TARE selects the previous item kg unit Same weight is used as weighing capacity Example Selecting kg unit and 1 2 0 for weighing capacity 150kg will require the total 75kg weight kg unit Half weight is used of weighing capacity To change between lb and kg press ZERO and TARE at the same time lb u...

Page 16: ...mputing result succeeded No of adjusted counts Computing result C Err will be displayed indicating a computing result error when span adjustment is performed without placing a weight Place a weight and press TARE Calibration error 7 Saving Data To save Country No Scale No Zero point and Span data in E2ROM Remove the weight from the weighing platter Remove the seal covering the opening on the rear ...

Page 17: ...O for the desired number of times to increase the span 3 Trimming Down Press TARE then Tri d will be displayed Press TARE for the desired number of times to decrease the span Note The change amount for one time may differ depending on each machine however approximately one count for one time is average 4 Repeating Steps Press COLUMN then A D data will be displayed Place a weight on the weighing pl...

Page 18: ... No 085 3435 07 17 45 IGB IGX Series Overseas Specifications Service Manual Memory Switch The memory switch is located on the main board IGB Series IGX Series Pushing memory switch Memory switch Memory switch ...

Page 19: ...at there is no key entry 4 Checking Keys ZERO p 1 TARE p 2 p 3 SET p 4 EXT INPUTp 5 MEMORY SW p 6 5 Finishing Procedure Press ON OFF to finish this procedure OFF status 2 4 C3 Mode Display Check 1 Simplified Check Operation Display 1 Starting Test Mode C1 Press ON OFF Press and hold ZERO while all segments are lit 2 Entering C3 Mode Press ZERO twice 3 Checking Displays Press SET The display shows ...

Page 20: ...ee times 3 Checking Displays Press SET The display shows self diagnostic check 4 Returning to Test Mode Press COLUMN to return to Test Mode 2 6 C5 Mode Program No Display Operation Display 1 Starting Test Mode Press ON OFF Press and hold ZERO while all segments are lit 2 Entering C5 Mode Press ZERO four times 3 Displaying Program Number Press SET The installed program number D005 will be displayed...

Page 21: ...reset data of Program Mode is cleared Press ZERO Press ZERO 5 Press COLUMN to return to Test Mode E2ROM Clear Initializing E2ROM data 6 Press SET 7 Push the Memory Switch SW1 located on the main board This does not work when there has been no data change Note C1 data and setting data F01toF17 have been initialized Settings are required 8 Press ON OFF After initialization nothing except C1 will be ...

Page 22: ...d hold ZERO while all segments are lit 2 Entering C7 Mode Press ZERO six times Or press TARE three times 3 Press SET To change data Select the desired data by pressing ZERO to increase or TARE to decrease the address To fix the data or advance the address Press SET 3 digit address A Upper data Data 3 digit address B Lower data Data 4 After changing data Push the Memory Switch SW1 located on the ma...

Page 23: ...E 1 12000 F 1 15000 1 2 4 Changing method 0 Single range LED stable display only IGX 1 1 3000 Multi interval Stabe Upper Lower display IGB 2 Single range Upper Lower display IGX 3 1 3000 Multi interval Stabe Upper Lower display IGB 4 Single range Body weight specification 5 1 3000 Dual range A B range change 6 Single range lb kg change 7 1 3000 Multi interval lb kg change 111A 8 1 Weight unit Vali...

Page 24: ...int mark 0 Light at true zero 1 Light at dummy zero 2 Over scale display 0 Blank 1 OL 4 Display below true zero 0 1 Minus numeric value 114A 8 Decimal point form 0 1 1 Over scale range 0 Display upto 9e 1 Display upto 3e 2 Tare subtraction 0 Yes 1 No 4 Tare clear with ZERO key 0 No 1 Yes 114B 8 Zero supress display Multi Interval specification only 0 Yes 1 No 1 Key in preset tare subtraction and p...

Page 25: ...n address Press TARE to decrease an address Address 000 Address 110 Address 127 TARE key C8 Starting address ZERO key Address 3 digits Data 1 byte 4 Press COLUMN to return to Test Mode E2ROM Data Address Item Data Range Remarks Data set in Program Mode of Operation Manual 10 byte 10 data 0 to 99 Preset data 10 PLUs Upper limit 17bit Lower limit 17bit Tare amount A range 18bit Tare amount B range S...

Page 26: ...pecification bit 4 to 7 0 to F F10 104A Data output method bit 0 to 3 0 to F F11 104B Data output condition bit 4 to 7 0 to F F12 105A Contact output signal setting bit 0 to 3 0 to F F13 105B Contact input signal setting bit 4 to 7 0 to F F14 106A High level buzzer output setting bit 0 to 3 0 to F F15 106B Built in buzzer selection function bit 4 to 7 0 to F F16 107A Automatic power off setting bi...

Page 27: ... C9 Mode Press ZERO eight times Or press TARE 3 Press SET Span adjusted A D data is displayed 4 Press SET A D converter output value is displayed However the lower 3 bits of 24 bit output change rapidly and are outside of visual inspection range so they are excluded 5 Press ZERO Used for A D board drift inspection The inspection result is displayed OK or Err 6 Press TARE Connect the inspection jig...

Page 28: ...Manual No 085 3435 07 27 45 IGB IGX Series Overseas Specifications Service Manual Chapter 3 Hardware Configuration 3 1 Mechanical Parts ...

Page 29: ...4 18 NAME PLATE SPEC 60kg Varied per country 1 18 NAME PLATE SPEC 150kg Varied per country 1 19 PWB PS 018 900 0677 04 1 20 PWB PS 019 900 0767 06 1 22 CABLE LOCKING PG 11 900 0758 02 1 23 HARNESS S2 GND 900 0772 05 1 25 SCREW M 4 45 900 0842 02 2 26 SHEET 900 1064 05 2 31 SIDE COVER 900 0037 11 1 32 POLE STAND 900 0032 49 1 33 RUBBER RING 900 0207 07 1 34 PLATTER 072 8847 05 1 35 SHEET PLATTER 90...

Page 30: ... 60kg Varied per country 1 18 NAME PLATE SPEC 150kg Varied per country 1 19 PWB PS 016 900 0676 01 1 21 TRANSFORMER ASSY 900 1697 02 1 22 CABLE LOCKING PG 11 900 0758 02 2 23 HARNESS S2 GND 900 0772 05 1 24 HARNESS C3 POWER CORD Varied per country 1 26 SHEET 900 1064 05 2 31 SIDE COVER 900 0037 11 1 32 POLE STAND 900 0032 49 1 33 RUBBER RING 900 0207 07 1 34 PLATTER 072 8847 05 1 35 SHEET PLATTER ...

Page 31: ...Manual No 085 3435 07 30 45 IGB IGX Series Overseas Specifications Service Manual 3 1 1 Load Cell Load cell Bottom of base Top of base ...

Page 32: ...s Specifications Service Manual 3 2 Electric Parts IGB Series 3 2 1 IGB Block Diagram Scale Unit Load Cell AC Adaptor JACK Main Board PS 018 XH 2p Front Case Rear Case XH 2p Power Board PS 019 MK 2p Battery Battery AC Adaptor Display Unit Ferrite Core ...

Page 33: ... Switch Used to write the data when performing initialization in Test Mode Used to save write the data in E2ROM after changing Country No and Scale No and performing Span Adjustment 2 Connector XJ1 This connector is not used Pin No Signal Name Pin No Signal Name 1 IN1 6 NC 2 OUT4 7 RESET 3 OUT3 8 VPP 4 OUT2 9 GND 5 OUT1 10 VCC 3 Connector XJ2 This connector is used for DC input Pin No Signal Name ...

Page 34: ...ask ROM 256KB Writing or replacement is not possible There is no compatibility between the IGB Series main board PS 018 and the IGX Series main board PS 016 However basic operations are same for these models 3 2 3 Power Board PS 019 2 1 CN2 GND Jack center Batteries Jack center PS 019 CN3 To main board 1 2 When the DC plug of the AC adapter is inserted into the DC jack the battery GND will be inte...

Page 35: ...es Overseas Specifications Service Manual 3 3 Electric Parts IGX Series 3 3 1 IGX Block Diagram Scale Unit Load Cell Display Unit Main Board PS 016 XH 7p Front Case Rear Case AC Input EL P 2P EL R 2P Trans former Fuse holder Earth Board steel ...

Page 36: ...o write the data when performing initialization in Test Mode Used to save write the data in E2ROM after changing Country No and Scale No and performing Span Adjustment 2 Connector XJ1 This connector is not used Pin No Signal Name Pin No Signal Name 1 IN1 6 NC 2 OUT4 7 RESET 3 OUT3 8 VPP 4 OUT2 9 GND 5 OUT1 10 VCC NC Non connection 3 Connector XJ2 Power Input Pin No Signal Name 1 12VAC 2 0V 3 29VAC...

Page 37: ...nector is not used Pin No Signal Name 1 FG 2 GND 3 TxD 4 RxD 5 DTR 6 Buzzer 5 Program Memory Media Mask ROM 256KB Writing or replacement is not possible There is no compatibility between the IGB Series main board PS 018 and the IGX Series main board PS 016 However basic operations are same for these models ...

Page 38: ...make sure to remove them or when using an AC adapter extract the cable from the power outlet IGB Series only When using AC power make sure to extract the cable from the power outlet IGX Series only 2 Remove the two angle adjusting knobs 3 Remove the Void Seal covering the sealing screw hole 4 Remove the 8 screws including the sealing screw mentioned above that hold the front and rear cases togethe...

Page 39: ...the procedure to re assemble the display unit then affix a new Void Seal Part No 040 9585 01 Size φ21 4 2 Replacement of Main Board 4 2 1 IGB Series 1 The procedure for opening the Front and Rear Cases is described in the previous section 2 Main Board PS 018 Extract the cable from the XJ2 connector Desolder the four lead wires of the Load Cell cable ...

Page 40: ... main board Note After installing a new main board carry out RAM Clear in C3 mode adjust the scale and set the user operation setup and program modes 4 2 2 IGX Series 1 The procedure for opening the Front and Rear Cases is described in the previous section 2 Main Board PS 016 Extract the cable from the XJ2 connector Desolder the four lead wires of the Load Cell cable ...

Page 41: ... the screw holding the grounding cable to the rear case Remove the four screws holding the main board Reverse this procedure to install a new main board Note After installing a new main board carry out RAM Clear in C3 mode adjust the scale and set the user operation setup and program modes ...

Page 42: ...nput Resistance Output Resistance insulation Resistance IGB X 60 LOC ISS10 100kg 100kg 2 0mV V 5 1500Ω 10Ω 1000Ω 3Ω 5GΩ IGB X 150 LOC ISS10 300kg 300kg 2 0mV V 5 1500Ω 10Ω 1000Ω 3Ω 5GΩ 1 Using an allen wrench remove the four hexagon headed bolts and spacers fixing the load cell unit from the top of the base 2 Remove the four hexagon headed bolts and spacers from the bottom of the base ...

Page 43: ...Remove the load cell unit Then install a new load cell unit and reverse the above procedure 4 3 1 Checking and Adjusting Gap of Four corner Limit In the two spots of the four corner limit front and of the four corner limit rear display pole side adjust the gaps to the following values ...

Page 44: ...Manual No 085 3435 07 43 45 IGB IGX Series Overseas Specifications Service Manual 4 3 2 Performing Zero Point and Span Adjustments Reference Reference Refer to 2 2 C1 Mode of Chapter 2 Test Mode ...

Page 45: ...ne then check Err is displayed when the ON OFF key is pressed 1 E2ROM data is garbled Initialize E2ROM all in Test Mode C6 Span adjustment is required after initialization If recovery is not possible the main board may be defective Replace if necessary Test mode C1 is displayed when the ON OFF key is pressed Scale data is in initialized state Perform span adjustment 1 A D value at Zero point is ou...

Page 46: ...hing platter Platter support or Load cell and remove if any 3 Main board or Load cell is defective Perform Test mode C1 and check A D value and replace A D board and Load cell in this order if necessary Zero point or weight is unstable 4 Extraordinary electromagnetic wave Determine the source and remove it or move the scale to a place where the scale will not be subject to the electromagnetic wave...

Page 47: ...ISHIDA CO LTD Design and specifications are subject change without notice 44 SANNO CHO SHOGOIN SAKYO KU KYOTO 606 8392 JAPAN PHONE 81 75 771 4141 FACSIMILE 81 75 751 1634 ULR http www ishida co jp ...

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