CAS EB Series, Service Manual

Page 1: ...EB Service Manual 1 2007 06 13 EB SERVICE MANUAL ...

Page 2: ...5 Setting 13 2 1 2 SPAN Calibration Setting C 3 14 2 1 3 Gravity Constant Value Setting C 9 14 2 1 4 Calibration factor Setting C 10 15 2 1 5 Displaying Real A D Value C 5 15 2 1 6 Input Function Key Code C 6 16 2 1 7 Percent Calibration C 7 17 2 1 8 Battery Calibration C 8 17 3 The Schematics and Diagram 18 3 1 System Block Diagram 18 3 2 Circuit Diagram 19 3 2 1 Main and Power 19 3 2 2 Display p...

Page 3: ...EB Service Manual 3 2007 06 13 6 4 Rear Display PCB Bottom 26 6 5 Terminal PCB Top 27 6 6 Terminal PCB Bottom 27 6 7 Cal PCB Top 28 7 Error Messages Solution 29 8 Part List 30 ...

Page 4: ...ion Make sure that you plug your scale into the proper power outlet Place the scale on a flat and stable surface Plug into a power outlet 30 minutes before operations Keep the scale away from strong EMI noises may cause incorrect weight readings This scale must be installed in a dry and liquid free environment Do not subject the scale to sudden temperature changes Do not subject the platter to sud...

Page 5: ...T Battery Keys Number 0 9 00 Clear ZERO TARE PLU Save PLU Call Battery BL X cancel add SUM TTP Mode Power ON OFF Functions Direct PLU 24 Indirect PLU 200 Price computing scale Low Battery Indication function Auto Power Off Auto BL off Beep Sound Off Function Weight 15kg Power 6V 5 Ah Pb Battery or 9 V Adaptor Op Temperature 10 C 40 C Options Rear Display Stainless tray Adaptor RS232 Minimum Voltag...

Page 6: ...EB Service Manual 6 2007 06 13 1 4 Dimension ...

Page 7: ... 5 Key SYMBOLS ON DISPLAY SYMBOLS DESCRIPTION To adjust zero Stable status Tare on Charge status Display battery status Back Light On status KEYS FUNCTIONS To input all of numerical data Direct PLU keys 24EA To save PLU To call up PLU ...

Page 8: ...ue To turn on off the scale To turn on off the backlight Display battery voltage To make several sales transaction by adding up To make discount transaction To multiply the same item when making sales transaction To check total sales amount or finalize sales transaction To soft key ...

Page 9: ...EB Service Manual 9 2007 06 13 1 6 Sealing Method PLATE ...

Page 10: ...EB Service Manual 10 2007 06 13 STICKER ...

Page 11: ...4 ENTER Setting TARE key MODE Function CAL 1 Display normalized AD CAL 2 Display Keypad infomation CAL 3 Weight Setting Mode UnLoad TARE MIDD TARE after loading for 1 3 weight FULL TARE after loading for Full weight MIDD TARE after loading for 1 3 weight END CAL 4 Option Setting Table 1 참조 CAL 5 Display filtered Raw AD CAL 6 Function setting on each Key Table 2 참조 CAL 7 Calibration CAL 8 Battery c...

Page 12: ...1 Direction successive Tare BIT 2 3 Successive tare 0 One Time tare BIT1 BIT0 2 1 1 2 C4 2 Setting BIT7 BIT6 Use PLU Tare 1 Use 0 Don t use BIT5 Use PLU Name 1 Use 0 Don t use BIT4 Use Daily Total 1 Use 0 Don t clear BIT3 Clear Price 1 Clear 0 Don t clear BIT2 Clear Tare 1 Clear 0 Don t use BIT1 Use Euro 1 Use 0 No BIT0 Power On Euro 1 Yes 2 1 1 3 C4 3 Setting 0 dot BIT7 Dot Type 1 comma BIT6 Use ...

Page 13: ...clear BIT2 Use oz 1 Clear 0 Don t use BIT1 Use lb 1 Use 0 No BIT0 Use Kg 1 Yes 2 1 1 4 C4 4 Setting BIT7 X BIT6 X 3 00 25 50 75 2 00 10 20 1 0 5 BIT 4 5 Price round off 0 normal BIT3 X BIT2 X 3 1000 1 2 100 1 1 10 1 BIT 0 1 Unit Price 0 1 1 2 1 1 5 C4 5 Setting 0 Don t use BIT7 Use Standby time 1 Use 7 Special case 6 O OOOOOO BIT6 Price decimal point 5 O OOOOO ...

Page 14: ...TARE key and then it displays midup message 5 Load middle weight ex 1 3 full capacity on the platform 6 Press TARE key and then it displays span message 7 Load full weight on the platform 8 Press TARE key and then it displays middn message 9 Load middle weight ex 1 3 full capacity on the platform 10 Press TARE key and then it display CAL 3 message 2 1 3 Gravity Constant Value Setting C 9 Current g...

Page 15: ...ssage blinks 0015 will be shown The first digit 0 will blink It means a full capability is 15 calibration unit kg or lb 7 Input a capability by using ZERO key 8 Press TARE key and then MCAPA message blinks 0005 will be shown The first digit 0 will blink It means a mid capability is 05 calibration unit kg or lb 9 Input a capability by using ZERO key 10 Press TARE key and then W dP message blinks 3 ...

Page 16: ...ODE and then press key For second example press 19 as SOFT KEY CODE and then Σ key 5 Press C key to exit from Input Soft Key Code mode NOTE User doesn t need MATRIX KEY CODES by inputting soft key code because MATRIX KEY CODES are fixed in hardware FIXED KEYS THEIR SOFT KEY CODES CHANGEABLE KEYS SOFT KEY CODES FUNCTION SOFT KEY CODES REMARK 00 11 ADD 16 TTP CALL 18 PAY 19 MR 20 MW 21 CAN 22 MODE 2...

Page 17: ...Press TARE key and then it displays zero message 5 Press TARE key and then it displays pspan message 6 Load choice percentage weight of full weight on the platform 7 Press TARE key and then it displays CAL 7 message 2 1 8 Battery Calibration C 8 1 Pressing and holding Calibration Switch press POWER key After CAL message blinks three times and shows the version of scale it displays CAL 1 message 2 ...

Page 18: ...ervice Manual 18 2007 06 13 3 The Schematics and Diagram 3 1 System Block Diagram L C BCO REAR DISPLAY LCD Driver RECHARGE LCD Display POWER 12V Adaptor EB KEY ONE MODULE MAIN BOARD Pb BATTERY 6V 5Ah RS232 ...

Page 19: ...N2 Adaptor 1 2 A_Vcc S1 ON OFF CN5_FEMALE1 Pb BAT 1 2 3 R5 1k Rx CON_TX R8 1k RS232 DRIVER PART JP1 1 2 VDD C24 102 3kV C30 0 1uF A_GND Power PART SIG Doc Rev Code EB MODULE VER A3 3 3 Thursday May 03 2007 Title Size Document Number Rev Date Sheet of D7 4148 C21 0 1uF SIG CON_RX R11 10k Q1 KTA1666 C B E CHIP BEAD R14 100k BUZZER EX D3 KDS184 2 1 3 BT1 3 3V R10 10K RTC_Power CN4 1 2 3 4 5 L13 220uH...

Page 20: ...M 7 COM4 COM0 0 COM0 SEG24 5V C19 0 1u SEG9 S E G 2 6 SEG3 SEG20 U2 HT1622 64 QFP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 2 0 33 34 35 49 50 51 5 2 2 1 2 2 2 3 2 4 2 5 2 6 2 7 2 8 2 9 3 0 3 1 3 2 36 37 38 39 40 41 42 43 44 45 46 47 48 5 3 5 4 5 5 5 6 5 7 5 8 5 9 6 0 6 1 6 2 6 3 6 4 CS NC RD WR DATA VSS OSCI VDD VLCD IRQ BZ NC BZ T1 T2 T3 COM0 COM1 NC C O M 2 NC NC NC NC NC NC N C C O M 3 C...

Page 21: ... 7 8 9 19 1 18 17 16 15 14 13 12 11 2 0 1 0 A0 A1 A2 A3 A4 A5 A6 A7 OE DIR B0 B1 B2 B3 B4 B5 B6 B7 V C C G N D PLU5 ADD1 R20 10k 1 2 3 4 8 7 6 5 MDOE1 0 Key _Out_6 PLU11 RA1 10k 1 2 3 4 8 7 6 5 MW1 0 Key _Out_3 PLU3 1 PLU7 7 CLEAR1 Key _Out_4 Key _In_3 Key _Out_1 5V TTL2 J4 CON8 1 2 3 4 5 6 7 8 4 8 Doc Rev Code EB KEY A4 3 3 Thursday May 03 2007 Title Size Document Number Rev Date Sheet of 9 PLU15...

Page 22: ...EB Service Manual 22 2007 06 13 4 Exploded View ...

Page 23: ...EB Service Manual 23 2007 06 13 5 Load Cell drawing ...

Page 24: ...EB Service Manual 24 2007 06 13 6 Part Location 6 1 Main PCB Top ...

Page 25: ...EB Service Manual 25 2007 06 13 6 2 Main PCB Bottom ...

Page 26: ...EB Service Manual 26 2007 06 13 6 3 Rear Display PCB Top 6 4 Rear Display PCB Bottom ...

Page 27: ...EB Service Manual 27 2007 06 13 6 5 Terminal PCB Top 6 6 Terminal PCB Bottom ...

Page 28: ...EB Service Manual 28 2007 06 13 6 7 Cal PCB Top ...

Page 29: ...2 warns that the scale has lost the parameters for weighing regulations or has lost the factors for a digital span calculation Please call your CAS dealer Err 13 The Err 13 means the soft key code is broken Please call your CAS dealer Help 1 Help 1 is marked in case of zero extent exceeded Please remove the item from the platter Help 3 Help 3 is marked in case sale number of times exceeds 999 or a...

Page 30: ... 35V short type 3 8 6712CHP01040 CONDENSER CHIP CL21F 104KBNC 11 9 6712CHP04710 CONDENSER CHIP 470pF 1 10 6710CAP0103B CONDENSER CERAMIC 0 01uF 3KV 4 11 6704C1601000 CONDENSER ELECTRIC 100u 16v 1 12 6294ICP01840 DIODE CHIP KDS184 2 13 6294ISW4148A DIODE SWITCHING PMLL4148L LP CONT 1 14 6291IS058190 DIODE POWER 1N5819 SMD 4 15 6291IPO54060 DIODE POWER 1N5406 1 16 DIODE ZENER 1 17 6670T0001020 INDUC...

Page 31: ...R1220P 102D 1K 2 29 6527ID310000 RESISTOR CHIP 1 10W RR1220P 104D 100K 6 30 6527ID300470 RESISTOR CHIP 1 10W RR1220P 472D 4 7 1 31 6527ID010000 RESISTOR CHIP 1 10W RR1220P 101D 100Ω 1 32 RESISTOR CHIP 1 10W 10Ω 1 33 IC step up down regulator MC34063A 1 34 6224I0016220 IC LCD DRIVER HOLTEX HT1622 ERS LCD 1 35 IC REGULATOR LM7809 KA7809 1 36 IC INTERFACE SP232ECY SIPEX MAX3232 1 37 6220IS0C5020 IC R...