Digi DS-685F Series Service Manual Download

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SERVICE MANUAL

Model:

DS-685L/F Series

Edition Month Year

March

1996

May

1996

April

1997

March

2002

SHANGHAI TERAOKA ELECTRONIC CO., LTD.

--- Technical Service Dept.

Ting Lin Industrial Development Zone, Jin Shan District, Shanghai P. R. China 201505

Tel: +86-21-5723-4888 Fax: +86-21-5723-9330 E-Mail:

[email protected]

All manuals and user guides at all-guides.com

all-guides.com

Summary of Contents for DS-685F Series

Page 1: ... 4th March 2002 5th SHANGHAI TERAOKA ELECTRONIC CO LTD Technical Service Dept Ting Lin Industrial Development Zone Jin Shan District Shanghai P R China 201505 Tel 86 21 5723 4888 Fax 86 21 5723 9330 E Mail steservice digi scale com All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 2: ...SPAN SW Location Stopper Screws 7 2 2 Internal Count A D Count Display 7 2 3 SPAN Adjustment 8 2 4 Escape From Calibration Mode 8 2 5 Specification Setting Operation 9 2 5 1 User Specification Setting 141 9 2 5 2 Specification Entry 142 9 2 6 DS 685L Specification List V1 26 10 2 6 1 Customer Specification List 141 V1 26 10 2 6 2 Weight Measure Specification List 142 V1 26 10 2 7 DS 685F Specifica...

Page 3: ... Diagram 16 4 1 3 Microcomputer Pin Assignment 17 4 2 DS 685F 19 4 2 1 NRFI Electrical Connection Block Diagram 19 4 2 2 RFI Electrical Connection Block Diagram 19 4 2 3 Microcomputer Pin Assignment 20 5 Circuitry Diagram 22 2 All manuals and user guides at all guides com ...

Page 4: ...ry 141 III 1 1 2 Specification entry 142 III 2 1 3 Specification list of DS 685 Version 1 21 III 3 1 4 Specification list of DS 685F Version 1 00 III 6 2 Key layout and function 2 1 8 preset key type III 9 3 Location of sealing screw III 11 4 Set up procedure III 11 IV ADJUSTMENTS 1 Span enable switch setting IV 1 2 Internal count and A D count IV 1 3 Span adjustment IV 1 4 Escape from maintenance...

Page 5: ...ting scale z Quick response to weight changes z Capacity 3kg 6kg 15kg 30kg 30lb z Resolution A DS 685 LCD display Display resolution 1 3 000 Internal resolution 1 30 000 B DS 685F FIP display Display resolution 1 3000 Internal resolution 1 60 000 z Low power consumption A DS 685 LCD display 6 x D size dry battery back up for more than 500 hours of continuous usage B DS 685F FIP display Rechargeabl...

Page 6: ...after 1 minute When battery needs to charge and AC power available battery will be charged Automatically stop charging when battery is fully charged z Calibration by software z Splash water proof z Customer and operator displays optional customer pole display z 30 keys ON OFF key 10 Numeric keys 11 5 Operational keys 8 14 Preset keys z Plastic housing z Display Tube DS 685L High contrast LCD displ...

Page 7: ...DS 685L F Series Service Manual Page No 3 1 4 Dimension DS 685 Bench type DS 685 Pole type All manuals and user guides at all guides com ...

Page 8: ...ey Correction operation on products AMT TEND key Used to enter amount tendered Two different types of AMT TEND operation can be selected by SPEC 9 BIT 3 PLUS key Adds sum accumulated sum RE ZERO key Resets weight display to zero MODE SET key Switch into following modes Program Grand Total Check Mode Data Setting key Set up or clear mode 1 6 2 Type B 14 Preset Keys ON OFF key Turn the power ON or O...

Page 9: ...nt 800mA Charging Time 12 14 hours b DS 685F Power Source AC 240 230 220V 117 100V Factory set Charging Current 800mA Charging Time 18 20 hours 1 9 Analog Specification z Input Sensitivity 1mV V z Zero Adjustment Range 0 2 5mV z Zero Balance Range 0 0 5mV z L C Exciting Voltage DC 5V z A D Conversion Speed 3 times sec z Internal Resolution 1 30 000 DS 685L 1 60 000 DS 685F 1 10 Main components use...

Page 10: ...0 01lb 1e 10IR 0 9 995lb Note IR Internal Resolution e division minimum increment Internal count full capacity 30000IR 1 11 2 DS 685F Single interval Capacity Minimum Graduation Tare Range 3 kg 1g 1e 20IR 0 1 499kg 6 kg 2g 1e 20IR 0 2 998kg 15 kg 5g 1e 20IR 0 7 495kg 30 kg 10g 1e 20IR 0 14 99kg 30 lb 0 01lb 1e 20IR 0 14 99lb Multi interval Capacity Minimum Graduation Tare Range 3 kg 1g 1e 10IR 0 1...

Page 11: ...n Operation for further detail 2 2 Internal Count A D Count Display 1 ZERO 2 NET 3 HOLD 4 AUTO 5 MEMORY 6 BATTERY Operation Weight U Price T Price 1 2 3 4 5 6 Remarks Re Zero 0 0 9 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 Enter 0 0 9 while depressing Re Zero D S 6 8 5 4 8 9 0 0 U Price window display A D count Total Price window displays Internal Count T 0 0 0 0 0 0 0 0 0 0 T key back to Weighing mode a Pl...

Page 12: ...d CALSP Put full capacity weight on platter e g 15kg Load Weight Calibrating Span After calibration 1 5 0 0 0 0 0 0 0 0 0 Back to Weighing mode 2 4 Escape Form Calibration Mode 1 ZERO 2 NET 3 HOLD 4 AUTO 5 MEMORY 6 BATTERY Operation Weight U Price T Price 1 2 3 4 5 6 Remarks 0 0 0 0 0 0 0 0 0 0 Weighing mode SPAN Switch ON D S 6 8 5 V r x x x S O n T 0 0 0 0 0 0 0 0 0 0 Escape to Weighing mode SPA...

Page 13: ... instead of key 2 5 2 Specification entry 142 Note It can only work when SPAN SWITCH is on Enable Operation Weight U Price T Price Remarks Re Zero 1 4 2 S P C 0 8 0 0 0 0 0 0 0 0 Enter 1 4 2 while depressing Re Zero S P C 0 9 0 0 0 0 0 0 0 0 key only increase spec number S P C 1 0 0 0 0 0 0 0 0 0 it does not update spec data 1 0 1 1 S P C 1 0 0 0 0 0 1 0 1 1 only 1 0 KEY are enable S P C 1 1 0 0 0...

Page 14: ... 2 V1 26 Note It can only work when the SPAN Switch is on Enable SPEC Bit 3 Bit 2 Bit 1 Bit 0 08 Price Base 0000 kg 0010 lb 0001 100g 0011 1111 Not used 09 AMT TEMD Operation 0 Method B 1 Method A G T Correct 0 Enable 1 Disable Key Sheet Layout 0 6 8 Preset Keys 1 14 Preset Keys IR Mode Protected By SPAN SW 0 No 1 Yes 10 Zero Lamp On 0 Gross 0 1 Net 0 Scale Start 0 Automatic 1 Manual Auto Operatio...

Page 15: ... Digital Tare 0 Enable 1 Disable Accumulation When Tare 0 Enable 1 Disable Zero Tracking When Tare 0 Inhibit 1 Allow Weight Reset When Tare 0 Allow 1 Inhibit 18 Tare Value Exchange 0 Allow 1 Inhibit AUTO Tare Clear When Re zero 0 No 1 Yes Tare AUTO Clear 0 Inhibit 1 Allow Unit Price AUTO Clear 0 Inhibit 1 Allow 19 AUTO Clear Condition 0 Gross 21e Net 5e 1 Net 1e price not 0 WT Data Synchro nizatio...

Page 16: ...C Bit 3 Bit 2 Bit 1 Bit 0 8 Price Base 0000 kg 0010 lb 0001 100g 0011 1111 Not used 9 AMT TEMD Operation 0 Method B 1 Method A G T Correction 0 Allow 1 Inhibit Key Layout 0 6 8 Preset Keys 1 14 Preset Keys IR Mode Protected By SPAN SW 0 NO 1 YES 10 ZERO Lamp ON 0 Gross 0 1 Net 0 Scale Start 0 Automatic 1 Manual Auto Operation 0 NO 1 YES Display Hold 0 NO 1 YES 11 Decimal Point Position On Weight D...

Page 17: ...Price AUTO Clear 0 Disable 1 Enable 19 Auto Clear Condition 0 Gross 21e Net 5e 1 Net 1e price not 0 WT Data Synchro Key only 0 NO 1 YES Accumulation Number Display 0 NO 1 YES Management Mode Grand Total 0 Enable 1 Disable 20 Accumulation 0 Enable 1 Disable Subtraction 0 Enable 1 Disable Multiplication 0 Enable 1 Disable Tender Or Change 0 Enable 1 Disable 21 Exit From Accumulation Mode After 15 Se...

Page 18: ...L F Series Service Manual 2 8 Location Of Sealing Screw DS 685 provides two sealing positions for the purpose of sealing as shown in the diagram below Page No 14 All manuals and user guides at all guides com ...

Page 19: ...eration is not correct or A D starting check error Repeat calibration operation if still no good please check the load cell or A D board are problem or not Note Scale is not steady when power on Place scale on firm flat base If still no good please try to recalibrate it totAL FULL When current Total overflow Clear current Total or check the memory chip G t FULL When Grand Total overflow Clear Gran...

Page 20: ...5L F Series Service Manual Page No 16 4 Hardware Detail 4 1 DS 685L 4 1 1 NRFI Electrical Connection Block Diagram 4 1 2 RFI Electrical Connection Block Diagram All manuals and user guides at all guides com ...

Page 21: ...66 A D Conversion Control P21 O A D CONTROL 74HC4066 A D Conversion Control P22 PCL O A D CONTROL 74HC4066 A D Conversion Control P23 BUZ O A D CONTROL 74HC4066 A D Conversion Control P30 O CS 93C46P EEPROM P31 O MAIN POWER ON OFF Power Switch DC MAIN POWER P32 O BUZZ Buzzer Buzzer Sounder P33 P40 O T8 Keyboard Key Scanning Line P41 O T1 Keyboard Key Scanning Line P42 O T2 Keyboard Key Scanning Li...

Page 22: ...S21 O SEGMENT 21 T195013 Segment Signal Output S22 O SEGMENT 22 T195013 Segment Signal Output S23 O SEGMENT 23 T195013 Segment Signal Output BP0 S24 O SEGMENT 24 T195013 Segment Signal Output BP1 S25 O SEGMENT 25 T195013 Segment Signal Output BP2 S26 O SEGMENT 26 T195013 Segment Signal Output BP3 S27 O SEGMENT 27 T195013 Segment Signal Output BP4 S28 O SEGMENT 28 T195013 Segment Signal Output BP5 ...

Page 23: ...DS 685L F Series Service Manual Page No 19 4 2 DS 685F 4 2 1 NRFI Electrical Connection Block Diagram 4 2 2 RFI Electrical Connection Block Diagram All manuals and user guides at all guides com ...

Page 24: ...zzer Sounder P30 I VBATL1 LM324 Detects BATT Low 1 P31 I EN 74HC4520 Controls 74HC4520 EN P32 O BAT CHG BAT CHG Controls BATT Charge P33 O BAT PW BAT PW Controls BATT Power P40 O A D PA 74HC4066 Controls A D Conversion P41 O A D PZ 74HC4066 Controls A D Conversion P42 O A D P 74HC4066 Controls A D Conversion P43 O A D P 74HC4066 Controls A D Conversion P50 I Q0 74HC4520 Input data P51 I Q1 74HC452...

Page 25: ...igtal SignalOutput T6 O U4 19 LT 03GK Digtal SignalOutput T5 O U5 19 LT 03GK Digtal SignalOutput T4 O W1 19 LT 03GK Digtal SignalOutput T3 O W2 19 LT 03GK Digtal SignalOutput T2 O W3 19 LT 03GK Digtal SignalOutput T1 O W4 19 LT 03GK Digtal SignalOutput T0 O W5 19 LT 03GK Digtal SignalOutput VPRE VPRE Power Supply VLOAD VLOAD Pull down Resistor Pin PPO O SC 93C46P Output Pulse RESET I RESET SYSTEM ...

Page 26: ... No 22 5 Circuitry Diagram We can not issue the electrical file for Circuitry Diagram so please contact to us for paper copy if you need it Thanks for your cooperation All manuals and user guides at all guides com a l l g u i d e s c o m ...

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