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Sony UP-D2600, Service Manual

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Sony UP-D2600 Service Manual Download Page 73

2-7

UP-D2600/V1(E)

2-2-15. Removal of the Head Motor

1.

Harness
clamp

Stopper rings

KY-422 board

Head sensor holder

Flat cables

Harness clamp

Harness

Motor shaft

PS 3

x

4

Head motor

2.

3.

2-2-16. Removal of the DC Fan (3)

DC fun (3)

PS 3

x

12

BVTT 3

x

6

BVTT 3

x

6

Tension coil spring

Head motor assembly

Claw

Summary of Contents for UP-D2600

Page 1: ...DIGITAL COLOR PRINTER UP D2600S UP D2600 SERVICE MANUAL Volume 1 1st Edition ...

Page 2: ...werden Um die Gefahr eines elektrischen Schlages Feuergefahr und Verletzungen zu vermeiden sind bei Wartungsarbeiten strikt die Angaben in der Anleitung zu befolgen Andere als die angegeben Wartungsarbeiten dürfen nur von Personen ausgeführt werden die eine spezielle Befähigung dazu besitzen AVERTISSEMENT Ce manual est destiné uniquement aux personnes compétentes en charge de l entretien Afin de r...

Page 3: ...moval of the Switching Regulator 2 3 2 2 7 Removal of the DC Fan 2 2 3 2 2 8 Removal of the Mechanical Block 2 3 2 2 9 Removal of the PRT 11 Board 2 4 2 2 10 Removal of the Tray Motor 2 4 2 2 11 Removal of the SE 418 Board and Paper Supply Motor 2 5 2 2 12 Removal of the Ribbon Motor 2 5 2 2 13 Removal of the Stepping Motor 2 6 2 2 14 Removal of the Load Block Assembly 2 6 2 2 15 Removal of the He...

Page 4: ...d 4 6 4 2 1 Fan Motor Drive Circuit 4 6 4 2 2 Ribbon Motor Drive Circuit 4 6 4 2 3 Paper Supply Motor Drive Circuit 4 7 4 2 4 Head Motor and Tray Motor Drive Circuits 4 7 4 2 5 Platen Motor Drive Circuit 4 8 4 2 6 Sensor Detection Circuit 4 10 4 2 7 Paper Ejector Motor Drive Circuit 4 16 5 Mechanical Description 5 1 Mechanical Operation Description 5 1 5 2 Printing operation description 5 4 5 2 1 ...

Page 5: ...parts block diagrams schematic diagrams and board layouts Semiconductor Pin Assignments CD ROM Available on request This Semiconductor Pin Assignments CD ROM allows you to search for semiconductors used in B P Company equipment Semiconductors that cannot be searched for on this CD ROM are listed in the service manual for the corresponding unit The service manual contains a com plete list of all se...

Page 6: ......

Page 7: ... V1 E Section 1 Operating Instructions This section is extracted from operation manual 3 868 154 11 1 1999 Sony Corporation Digital Color Printer UP D2600S Instructions for Use Page 2 GB FR DE 1 1 UP D2600S For UC ...

Page 8: ...lative hospital For the customers in the U S A This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and ...

Page 9: ...d the references to other sections of the manual that contain related information Important note Be sure to read the sections of the manual marked Note They explain points that you should be aware of to operate the printer correctly and prevent malfunctions Trademarks Windows is the trademark of Microsoft Corporation USA Macintosh is the trademark of Apple Computer Inc USA Note 5 Introduction The ...

Page 10: ...r is subject to wide and sudden changes in temperature such as when it is moved from a cold room to a warm room or when it is left in a room with a heater that tends to produce large amounts of moisture condensation may form inside the printer In such cases the printer will probably not work properly and may even develop a fault if you persist in using it If condensation forms turn off the power a...

Page 11: ...heral through an SCSI cable The other connector is loop through connector for another SCSI device If either of the two connectors is not being used set the terminator of the DIP switch to ON see Setting the DIP Switch on page 12 2 SCSI ID DIP switch 13 Used to set the SCSI ID number and the built in terminator to ON or OFF see Setting the DIP Switch on page 12 3 Equipotential ground terminal 1 Use...

Page 12: ...it in the future Remove the ink ribbon cartridge and paper tray when transporting the printer AC power cord 1 CD ROM 1 Roller Cleaning kit 1 Software licence agreement 1 User Registration card 1 Warranty card 1 Instructions for Use 1 Large size paper tray 1 PU SH 11 Preparation Assembly Attach the supplied paper cover paper tray and ink ribbon cartridge to the printer For details of how to assembl...

Page 13: ...reparation to wall outlet to AC IN Computer to SCSI connectora SCSI ID DIP switcha AC power cord supplied a If the printer is located at the physical end of the SCSI bus this switch should be set to ON see Setting the DIP Switch on page 12 Connecting the Computer The UP D2600S connects to the computer that supports the SCSI interface Before connecting the computer see Important safeguards notices ...

Page 14: ...necessary connections Loading an ink ribbon cartridge see the below Loading paper see page 18 Once the above operations have been completed there should be no need to repeat them during routine printing Perform them only when absolutely necessary Loading an Ink Ribbon Cartridge To make printouts an ink ribbon cartridge and paper which are compatible must be loaded see Ink Ribbon Cartridge and Pape...

Page 15: ... until the transparent tape cannot be seen Notes When using ink ribbon cartridge Once an ink ribbon cartridge has been completely used replace it Ink ribbon cartridges are not reusable Do not touch the ink ribbon cartridge or place it in a dusty location Finger prints or dust on the ink ribbon will result in imperfect printing or malfunction of the head When storing ink ribbon cartridge Avoid plac...

Page 16: ...on the maximum amount of paper that the paper tray can hold see Ink Ribbon Cartridge and Paper page 22 Do not place different types of paper in the tray Doing so may cause paper jams to occur Load the paper so that it lays flat in the paper tray If the paper is curled it will overflow from the paper tray and the printing position may shift If this happens load fewer sheets in the paper tray Two ty...

Page 17: ...paper may not be ejected and may jam in the printer Do not pull the paper out till the printer finishes printing Do not leave the printouts more than 10 sheets on the paper cover Doing so may cause jamming To stop printing midway Send the command or press the STOP button to stop printing The printer returns to standby status If the printer does not print The printer will fail to print in the follo...

Page 18: ...in the same package If the printer detects an incompatible combination ALARM and RIBBON indicators are lit Doing so may result in degradation of the print picture quality and occurrence of any trouble Ink ribbon and paper are not reusable Once exhausted replace them with new ones 23 Others Specifications Power requirements 120 V AC 220 to 240 V AC 50 60 Hz Power consumption About 1 0 A max at 25 C...

Page 19: ...IBBON PAPER ALARM and PAPER ALARM and RIBBON ALARM PRINT ALARM PAPER and RIBBON a The indicator blinks slowly Blinking PRINT PRINTa ALARM Possible cause and remedies Printing Data receiving Adjusting the temperature of the thermal head so that the printer is ready to print Printing stops midway n The indicators stop lighting and blinking after the paper is ejected The paper which cannot be used wi...

Page 20: ...y tangle or tear If you cannot pull the paper go to step 8 6 Remove the paper tray Printouts Paper 27 Others 8 Remove the ink ribbon cartridge If there is a jammed paper slowly pull out the paper If the ink ribbon cartridge cannot be removed the printer must not be operated Contact your Sony service facility 9 Re insert the removed paper tray paper cover or ink ribbon cartridge if you removed then...

Page 21: ...1 15 UP D2600 V1 E Sony Corporation Printed in Japan ...

Page 22: ...1 16 UP D2600 V1 E 3 868 154 21 1 1999 Sony Corporation Digital Color Printer UP D2600S Instructions for Use Page 2 GB FR DE 1 2 UP D2600S For CE ...

Page 23: ...law in the relative area or country and the regulation in the relative hospital Symbol on the products This symbol indicates the equipotential terminal which brings the various parts of a system to the same potential This symbol is intended to alert the user to the presence of important operating and maintenance servicing instructions in the literature accompanying the appliance For the customers ...

Page 24: ...ces to other sections of the manual that contain related information Important note Be sure to read the sections of the manual marked Note They explain points that you should be aware of to operate the printer correctly and prevent malfunctions Trademarks Windows is the trademark of Microsoft Corporation USA Macintosh is the trademark of Apple Computer Inc USA Note Introduction 5 Introduction The ...

Page 25: ...bject such as a monitor on the printer Condensation If the printer is subject to wide and sudden changes in temperature such as when it is moved from a cold room to a warm room or when it is left in a room with a heater that tends to produce large amounts of moisture condensation may form inside the printer In such cases the printer will probably not work properly and may even develop a fault if y...

Page 26: ...r ALARM indicator PAPER indicator and RIBBON indicator For details see Indicators on the Front Panel on page 25 9 Introduction 1 SCSI connector Half pitch 50 pin 13 Used to connect a computer or another peripheral through an SCSI cable The other connector is loop through connector for another SCSI device If either of the two connectors is not being used set the terminator of the DIP switch to ON s...

Page 27: ...ransport the unit in the future Remove the ink ribbon cartridge and paper tray when transporting the printer AC power cord 1 CD ROM 1 Roller Cleaning kit 1 Software licence agreement 1 Instructions for Use 1 Large size paper tray 1 PU SH PU SH 11 Preparation Assembly Attach the supplied paper cover paper tray and ink ribbon cartridge to the printer For details of how to assemble them see the pages...

Page 28: ... Preparation to wall outlet to AC IN Computer to SCSI connectora SCSI ID DIP switcha AC power cord supplied a If the printer is located at the physical end of the SCSI bus this switch should be set to ON see Setting the DIP Switch on page 12 Connecting the Computer The UP D2600S connects the computer that supports the SCSI interface Before connecting the computer see Important safeguards notices f...

Page 29: ... necessary connections Loading an ink ribbon cartridge see the below Loading paper see page 18 Once the above operations have been completed there should be no need to repeat them during routine printing Perform them only when absolutely necessary Loading an Ink Ribbon Cartridge To make printouts an ink ribbon cartridge and paper which are compatible must be loaded see Ink Ribbon Cartridge and Pap...

Page 30: ... until the transparent tape cannot be seen Notes When using ink ribbon cartridge Once an ink ribbon cartridge has been completely used replace it Ink ribbon cartridges are not reusable Do not touch the ink ribbon cartridge or place it in a dusty location Finger prints or dust on the ink ribbon will result in imperfect printing or malfunction of the head When storing ink ribbon cartridge Avoid plac...

Page 31: ... that the paper tray can hold see Ink Ribbon Cartridge and Paper page 22 Do not place different types of paper in the tray Doing so may cause paper jams to occur Load the paper so that it lays flat in the paper tray If the paper is curled it will overflow from the paper tray and the printing position may shift If this happens load fewer sheets in the paper tray Two types of paper trays are supplie...

Page 32: ...paper may not be ejected and may jam in the printer Do not pull the paper out till the printer finishes printing Do not leave the printouts more than 10 sheets on the paper cover Doing so may cause jamming To stop printing midway Send the command or press the STOP button to stop printing The printer returns to standby status If the printer does not print The printer will fail to print in the follo...

Page 33: ...the ink ribbon with the paper contained in the same package If the printer detects an incompatible combination ALARM and RIBBON indicators are lit Doing so may result in degradation of the print picture quality and occurrence of any trouble Ink ribbon and paper are not reusable Once exhausted replace them with new ones 23 Others Specifications Power requirements 220 to 240 V AC 50 60 Hz Power cons...

Page 34: ...ng Data receiving Adjusting the temperature of the thermal head so that the printer is ready to print Printing stops midway n The indicators stop lighting and blinking after the paper is ejected The paper which cannot be used with this printer has been loaded n Wait until the paper is ejected Then load the appropriate paper The ribbon has been exhausted n Replace the old ink ribbon cartridge with ...

Page 35: ... be removed the printer must not be operated Contact your Sony service facility When you cannot see the jammed paper go to step 9 7 Load the paper into the paper tray correctly Do not reuse the paper put back in step 5 Discard that paper 9 Remove the ink ribbon cartridge If there is a jammed paper slowly pull out the paper 10Close the black cover then the top white cover Re insert the removed pape...

Page 36: ...1 30 UP D2600 V1 E Sony Corporation Printed in Japan ...

Page 37: ...1 31 UP D2600 V1 E 3 203 517 11 1 1999 Sony Corporation Digital Color Printer UP D2600 Instructions for Use Page 2 GB 1 3 UP D2600 For UC ...

Page 38: ...tion in the relative hospital For the customers in the U S A This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequen...

Page 39: ...ated information Important note Be sure to read the sections of the manual marked Note They explain points that you should be aware of to operate the printer correctly and prevent malfunctions Trademarks Windows is the registered trademark of Microsoft Corporation USA Note 5 Introduction The Sony UP D2600 digital color printer is designed to reproduce computer images on A6 size paper You can print...

Page 40: ...er is subject to wide and sudden changes in temperature such as when it is moved from a cold room to a warm room or when it is left in a room with a heater that tends to produce large amounts of moisture condensation may form inside the printer In such cases the printer will probably not work properly and may even develop a fault if you persist in using it If condensation forms turn off the power ...

Page 41: ...4 9 Introduction Rear A B C 7 Front panel Pull the top on the front door toward you to open it Opening the front panel reveals the ink ribbon cartridge paper tray and paper cover When the front panel is open A Ink ribbon cartridge 11 13 Insert the ink ribbon cartridge B Paper cover 11 Paper is ejected onto this cover C Paper tray 11 16 Load paper into this tray 8 STOP button 19 Press to stop print...

Page 42: ... the future Remove the ink ribbon cartridge and paper tray when transporting the printer AC power cord 1 CD ROM 1 Roller Cleaning kit 1 Software licence agreement 1 User Registration card 1 Warranty card 1 Instructions for Use 1 Large size paper tray 1 PU SH PU SH 11 Preparation PU SH Assembly Attach the supplied paper cover paper tray and ink ribbon cartridge to the printer For details of how to ...

Page 43: ...lied to Parallel interface connector 13 Operation Operation Before Printing This section describes the following operations that must be made prior to starting printing after mounting the paper tray and paper cover on the printer and making the necessary connections Loading an ink ribbon cartridge see the below Loading paper see page 16 Once the above operations have been completed there should be...

Page 44: ... until the transparent tape cannot be seen Notes When using ink ribbon cartridge Once an ink ribbon cartridge has been completely used replace it Ink ribbon cartridges are not reusable Do not touch the ink ribbon cartridge or place it in a dusty location Finger prints or dust on the ink ribbon will result in imperfect printing or malfunction of the head When storing ink ribbon cartridge Avoid plac...

Page 45: ...on the maximum amount of paper that the paper tray can hold see Ink Ribbon Cartridge and Paper page 20 Do not place different types of paper in the tray Doing so may cause paper jams to occur Load the paper so that it lays flat in the paper tray If the paper is curled it will overflow from the paper tray and the printing position may shift If this happens load fewer sheets in the paper tray Two ty...

Page 46: ...aper out till the printer finishes printing Do not leave the printouts more than 10 sheets on the paper cover Doing so may cause jamming To stop printing midway Send the command or press the STOP button to stop printing The printer returns to standby status If the printer does not print The printer will fail to print in the following cases when the ALARM PAPER and or RIBBON indicator light For det...

Page 47: ...nction Use the ink ribbon with the paper contained in the same package If the printer detects an incompatible combination ALARM and RIBBON indicators are lit Doing so may result in degradation of the print picture quality and occurrence of any trouble Ink ribbon and paper are not reusable Once exhausted replace them with new ones 21 Others Specifications Power requirements 100 to120 V AC 220 to 24...

Page 48: ...notice Specifications continued Interface Control connector IEEE 1284 B connector amphenol 36 pin Input Max 5 V TTL Output Max 5 V TTL Data transmission system 8 bit parallel IEEE Std 1284 1994 Compatible Nibble and ECP modes Logic level TTL 23 Others Troubleshooting The following troubleshooting check will help you correct the most common problems you may encounter with your unit Before proceedin...

Page 49: ...and paper are not compatible t Use a valid combination of paper and ink ribbon cartridge page 22 The ink ribbon cartridge is defective t Replace the defective ink ribbon cartridge with the new one page 13 The ink ribbon has torn t Repair the tear page 15 The ink ribbon cartridge that cannot be used with the printer t Load the appropriate ink ribbon cartridge page 20 The paper has jammed inside the...

Page 50: ...er When the ALARM indicaton does not light you can use the printer as normal If the ALARM indicaton lights again the printer must not be operated Turn off the power immediately and contact your Sony service facility Note If a paper jam occurs the paper roller in the printer may be dirty It is recommended that you clean the paper roller once a month using the supplied Roller Cleaning kit to keep it...

Page 51: ...1 45 UP D2600 V1 E Sony Corporation Printed in Japan ...

Page 52: ...1 46 UP D2600 V1 E 3 203 517 21 1 1999 Sony Corporation Digital Color Printer UP D2600 Instructions for Use Page 2 GB 1 4 UP D2600 For CE ...

Page 53: ...ust obey the law in the relative area or country and the regulation in the relative hospital Symbol on the products This symbol indicates the equipotential terminal which brings the various parts of a system to the same potential This symbol is intended to alert the user to the presence of important operating and maintenance servicing instructions in the literature accompanying the appliance For t...

Page 54: ...ion Important note Be sure to read the sections of the manual marked Note They explain points that you should be aware of to operate the printer correctly and prevent malfunctions Trademarks Windows is the registered trademark of Microsoft Corporation USA Note Introduction 5 Introduction The Sony UP D2600 digital color printer is designed to reproduce computer images on A6 size paper You can print...

Page 55: ...bject such as a monitor on the printer Condensation If the printer is subject to wide and sudden changes in temperature such as when it is moved from a cold room to a warm room or when it is left in a room with a heater that tends to produce large amounts of moisture condensation may form inside the printer In such cases the printer will probably not work properly and may even develop a fault if y...

Page 56: ... check the printer operating condition according to the lighting conditions of the PRINT indicator ALARM indicator PAPER indicator and RIBBON indicator For details see Indicators on the Front Panel on page 24 9 Introduction Rear A B 7 Front panel Pull the top on the front door toward you to open it Opening the front panel reveals the ink ribbon cartridge paper tray and paper cover When the front p...

Page 57: ...ransport the unit in the future Remove the ink ribbon cartridge and paper tray when transporting the printer AC power cord 1 CD ROM 1 Roller Cleaning kit 1 Software licence agreement 1 Instructions for Use 1 Large size paper tray 1 PU SH PU SH 11 Preparation PU SH Assembly Attach the supplied paper cover paper tray and ink ribbon cartridge to the printer For details of how to assemble them see the...

Page 58: ...lied to Parallel interface connector 13 Operation Operation Before Printing This section describes the following operations that must be made prior to starting printing after mounting the paper tray and paper cover on the printer and making the necessary connections Loading an ink ribbon cartridge see the below Loading paper see page 16 Once the above operations have been completed there should be...

Page 59: ... until the transparent tape cannot be seen Notes When using ink ribbon cartridge Once an ink ribbon cartridge has been completely used replace it Ink ribbon cartridges are not reusable Do not touch the ink ribbon cartridge or place it in a dusty location Finger prints or dust on the ink ribbon will result in imperfect printing or malfunction of the head When storing ink ribbon cartridge Avoid plac...

Page 60: ... that the paper tray can hold see Ink Ribbon Cartridge and Paper page 20 Do not place different types of paper in the tray Doing so may cause paper jams to occur Load the paper so that it lays flat in the paper tray If the paper is curled it will overflow from the paper tray and the printing position may shift If this happens load fewer sheets in the paper tray Two types of paper trays are supplie...

Page 61: ...aper out till the printer finishes printing Do not leave the printouts more than 10 sheets on the paper cover Doing so may cause jamming To stop printing midway Send the command or press the STOP button to stop printing The printer returns to standby status If the printer does not print The printer will fail to print in the following cases when the ALARM PAPER and or RIBBON indicator light For det...

Page 62: ... properly or malfunction Use the ink ribbon with the paper contained in the same package If the printer detects an incompatible combination ALARM and RIBBON indicators are lit Doing so may result in degradation of the print picture quality and occurrence of any trouble Ink ribbon and paper are not reusable Once exhausted replace them with new ones 21 Others Specifications Power requirements 100 to...

Page 63: ...4 1994 Interface Control connector IEEE 1284 B connector amphenol 36 pin Input Max 5 V TTL Output Max 5 V TTL Data transmission system 8 bit parallel IEEE Std 1284 1994 Compatible Nibble and ECP modes Logic level TTL Specifications continued 23 Others The following troubleshooting check will help you correct the most common problems you may encounter with your unit Before proceeding with these tro...

Page 64: ... Use a valid combination of paper and ink ribbon cartridge page 22 The ink ribbon cartridge is defective t Replace the defective ink ribbon cartridge with the new one page 13 The ink ribbon has torn t Repair the tear page 15 The ink ribbon cartridge that cannot be used with the printer t Load the appropriate ink ribbon cartridge page 20 The paper has jammed inside the printer t Remove the jammed p...

Page 65: ...ed then close the front panel 11Turn on the power of the printer When the ALARM indicaton does not light you can use the printer as normal If the ALARM indicaton lights again the printer must not be operated Turn off the power immediately and contact your Sony service facility Notes When the paper tangles around the paper roller do not use a knife such as a blade to remove the jammed paper This ma...

Page 66: ...1 60 UP D2600 V1 E Sony Corporation Printed in Japan ...

Page 67: ...board SE 418 board SE 430 board SE 429 board SE 426 board SU 38 board SE 428 board SE 424 board SE 425 board SE 423 board Thermal head 2 2 Disassembly 2 2 1 Removal of the Top Cover Top cover M3 case fitting screw M3 case fitting screw M3 case fitting screw B A Front door Cartridge assembly Paper supply tray Eject tray n Push the cartridge assembly and paper supply tray in the direction indicated ...

Page 68: ... IF 787 and IF 788 Boards 2 IF 787 board UP D2600S IF 788 board UP D2600 BVTT 3x6 BVTT 3x6 Connector CN101 Connector CN103 Flat cable CN204 Flat cable CN102 Connector CN202 BVTT 3x6 IF holder B 3x6 Connector CN203 2 2 4 Removal of the DC Fan 1 B 4x20 Connector CN6 Fan cover Claw DC fan 1 Claw 2 2 5 Removal of the Rear Panel BVTT 3x6 BVTT 3x6 Rear panel ...

Page 69: ...or CN002 Connectors CN5 and CN001 Switching regulator PS 3x6 PS 3x6 Claws 2 2 7 Removal of the DC Fan 2 B 4x20 DC fan 2 2 2 8 Removal of the Mechanical Block BVTT 3x6 BVTT 3x6 BVTT 3x6 LE 190 board BVTT 3x6 Connector CN002 Mechanical block Flat cables CN007 Connector CN002 Flat cables CN007 Flat cables CN1 ...

Page 70: ...N015 PRT 11 board Board supporter 2 2 10 Removal of the Tray Motor 1 A Claw BVTT 3x6 Tray motor assembly Motor shaft TM worm wheel Retaining ring 2 3 mm dia PS 3x4 Worm shaft cap Worm gear assembly Tray motor n When installing the PRT 11 board insert the board supporter to the hole A of the board n When attaching tray motor cam assembly make sure that the hole of A is placed at the top position 2 ...

Page 71: ...otor Motor shaft FG fin n When removing the paper supply motor assembly remove it in the direction indicated by arrow so as not to strike the SE 428 board 2 2 2 12 Removal of the Ribbon Motor 1 Connectors CN2 CN5 and CN6 Connector CN1 BVTT 3x6 BVTT 3x6 Connectors CN3 and CN4 Ribbon motor assembly 2 Motor shaft Retaining rings 2 3 mm dia Ribbon worm wheel PS 3x4 Ribbon idler gear Worm shaft cap Wor...

Page 72: ...own by the arrow 2 2 14 Removal of the Load Block Assembly 1 A B BVTT 3x6 Eject base Claws Claws BVTT 3x6 Clamp harness Harness A Mechanical chassis T Paper supply block assembly BVTT 3x6 BVTT 3x6 BVTT 3x6 BVTT 3x6 BVTT 2 6x4 Link joint plate Screw for retaining the SE 419 board SE 419 board 2 n When removing paper supply block remove the screw for retaining the SE 419 board while pushing it in th...

Page 73: ...Motor 1 Harness clamp Stopper rings KY 422 board Head sensor holder Flat cables Harness clamp Harness Motor shaft PS 3x4 Head motor 2 3 2 2 16 Removal of the DC Fan 3 DC fun 3 PS 3x12 BVTT 3x6 BVTT 3x6 Tension coil spring Head motor assembly Claw ...

Page 74: ...2 8 UP D2600 V1 E 2 3 Replacement of Thermal Head 1 2 Claws Heat sink BVTT 3x6 Bottom lid of mechanical chassis Rear of Mechanical block Flat cables PSW 3x6 Head presser BVTT 3x6 Thermal head PSW 3x6 ...

Page 75: ...unction to print test patterns stair step by themselves This is the easiest method of checking printing 1 Set the ribbon and paper 2 Push the switch S207 on the IF 788 board for UP D2600 and IF 787 board for UP D2600S using like a thin pin where it is in the hole that is placed at right side of the DIP switch on the rear panel ...

Page 76: ...0S and UP D2600 Servicing Tool Software Adjustments can be performed using the Windows 95 98 personal computer The screen is used for CheckS25 exe used in combination with UP D2550S CheckD25 exe used in combination with UP D2500 D2550 is also almost the same in configuration as CheckS25 exe System required UP D2600S Personal computer Personal computer with SCSI interface Operating system Windows 9...

Page 77: ...e In some personal computers the ECP mode may not operate For more details refer to the Operation Manual of a personal computer 1 QTY Error Read Click to display the current status of the printer Displays the total number of printed sheets number of printed sheets after replacement of head and error codes 2 DRAM Check Self check of image an data bus is performed Check25 exe only 3 BUS Check Self c...

Page 78: ... 1 PAGE S201 Used for switching pages The page changes with each press 2 ADDR_ S202 Decrease the address ADDR S203 Increase the address 3 DATA_ S204 Decrease the data DATA S205 Increase the data 4 EXEC S206 Execute Used to write the command n Do not perform writing operations other than the writing of service commands described in this manual or errors may occur in the worst case 01 00 00 03 00 00...

Page 79: ...e high level R For mechanical adjustment purpose 1 30 sensor a Barcode low level R For mechanical adjustment purpose 1 31 sensor b Barcode threshold R For mechanical adjustment purpose 1 32 sensor c Paper Jam light emission level R For mechanical adjustment purpose 1 33 sensor d Paper Jam high level R For mechanical adjustment purpose 1 34 sensor e Paper Jam low level R For mechanical adjustment p...

Page 80: ...ghting R W 1 Lights 0 Off 4 17 Ring bell once W 4 18 Ring bell three times W 4 23 Number of printed sheets 0 after replacing head W 4 24 Bus check W OK 1 bell NG 3 bells 4 39 Reception data at E1 R For mechanical adjustment purpose 4 40 E1 error history data 0 R For mechanical adjustment purpose 4 41 E1 error history data 1 R For mechanical adjustment purpose 4 42 E1 error history data 2 R For mec...

Page 81: ...ilt in Test Pattern Write the 11 test patterns incorporated in the printer into the memory using PAGE 6 of Service Commands 1 Set to PAGE 6 ADDRESS 00 through 0A 00 Stair step 01 Color bar 02 Ramp 03 All black 04 All gray 05 Two tone gray ...

Page 82: ...h 0A Window At the LED display press the PAGE key to display the test pattern 2 Click WRITE Click EXEC at the LED display 3 Click PRINT of the servicing tool software Or the UP D2600S and UP D2600 can also be operated using the print key on it ...

Page 83: ...Set the service command to PAGE 1 ADDRESS 3F 2 When using the servicing tool software click READ to display the current data When using the LED display the data will already be displayed 3 When the data is increased the density becomes thinkers Adjust to the desired value and press WRITE if using the servicing tool software and EXEC if using the LED display 4 Print the stair step and repeat the ad...

Page 84: ...of continuous printed sheets Contents Sets the number of printed sheets to be printed in continuous printing PAGE4 ADDRESS 10 DATA Hexadecimal display R W 5 Bell muting Contents The bell will not ring Rings again when power is turned on and then off PAGE4 ADDRESS 14 DATA01 R W 6 Bell check PAGE4 ADDRESS 17 EXEC W Bell rings once PAGE4 ADDRESS 18 EXEC W Bell rings three times 7 Reset of number of p...

Page 85: ...ctrically H direction PAGE1 ADDRESS 44 DATA R W V direction PAGE1 ADDRESS 45 DATA R W 11 Error history information Contents Error history information of mechanical deck Error information during mechanical operation is read out The latest eight informations are kept The contents correspond to the data of NG_CODE1 Procedure PAGE1 ADDRESS 5F EXEC W Data confirmation PAGE4 ADDRESS 40 DATA R data 0 Lat...

Page 86: ...lt is NG the NG command data is stored in the specified address Check the NG command list PAGE4 ADDRESS 39H Corresponds to NG_CODE1 PAGE1 ADDRESS 18H Corresponds to NG_CODE2 PAGE1 ADDRESS 19H Corresponds to NG_CODE3 PAGE1 ADDRESS 1AH Corresponds to NG_CODE4 PAGE1 ADDRESS 1BH Corresponds to NG_CODE5 PAGE1 ADDRESS 26H through 35H Sensor level PAGE4 ADDRESS 40H through 47H NG_CODE1 error history 1 Se...

Page 87: ...arts assembled correctly Procedure 1 Open the platen cover and pull out the ribbon cartridge and paper tray 2 PAGE1 ADDRESS 85H EXEC OK Bell rings once NG Bell rings three times Data check PAGE1 ADDRESS 1AH DATA H Refer to NG_CODE4 6 Head Home Check Contents Is the head position sensor operating normally Is the head motor operating Are the harness and mechanical parts assembled correctly Procedure...

Page 88: ...e NG Bell rings three times Data check PAGE4 ADDRESS 39H DATA H Refer to NG_CODE1 10 Bar Code Automatic Adjustment Contents Automatic adjustment of the light emission level of the bar code sensor and threshold level Is the paper feed motor operating Are the harness and mechanical parts assembled correctly Procedure 1 Close the platen cover and insert the ribbon cartridge 2 PAGE1 ADDRESS 8AH EXEC O...

Page 89: ... Sensor 1 ribbon code sensor 0 high level value PAGE1 ADDRESS 4Fh DATA01h EXEC Data check PAGE1 ADDRESS 27h DATA h Sensor 2 ribbon code sensor 0 low level value PAGE1 ADDRESS 4Fh DATA02h EXEC Data check PAGE1 ADDRESS 28h DATA h Sensor 3 ribbon code sensor 0 threshold level value PAGE1 ADDRESS 4Fh DATA03h EXEC Data check PAGE1 ADDRESS 29h DATA h Sensor 4 ribbon code sensor 1 light emission level va...

Page 90: ...voltage value is 84 and the high value of PHTR is f5 The low value of PHTR is 0f and the threshold value is 80 How to convert the data displayed using a HEX code into a sensor voltage value The displayed data indicates the value obtained when the voltage levels 0 through 5V of each sensor are equally divided into 1 256 Therefore the voltage value that the HEX code indicates can be obtained from th...

Page 91: ...RAY_HOME_LOAD_TIMEOUT2 SE 429 board PH602 Motor sensor are defective h 23 TRAY_HOME_OUT_TIMEOUT SU 38 board There is no sensor sensitive by mistaken h 24 TRAY_OUT_HOME_TIMEOUT assembling the mechanism h 25 TRAY_LOAD_HOME_TIMEOUT h 26 TRAY_LOAD_HOME_TIMEOUT h 2a TRAY_PAPER_OUT_TIMEOUT h 2b TRAY_PAPER_IN_TIMEOUT h 33 RIBBON_Y_TIMEOUT SE 423 board D301 D302 Connector is disconnected h 34 RIBBON_MCL_T...

Page 92: ...0000 1010 Refer to HEX code converting as binary code NG sensor is the first bit PLT_CV and third bit PP_SIZE sensor NG _CODE2 NG command NG bit Contents of NG Board REF Check item h E2 bit 6 LOAD_TMG sensor SE 427 board PH501 Connector is disconnected bit 5 EJCT_TMG sensor SE 428 board PH550 Parts are defective bit 4 RBN_CST sensor Pushbutton SW The sensor becomes ON by mistaken bit 3 PP_SIZE sen...

Page 93: ...e bit 0 A way of looking the list In case of h 42 0100 0010 Refer to HEX code converted as binary code NG sensor is the first bit LOAD TMG sensor and sixth bit JAM sensor NG_CODE5 NG command NG bit Contents of NG Board REF Check item h E0 bit 6 PP_JAM_ERROR SE 422 board PH250 There is a print paper in the mechanical deck bit 5 END_OF_RIBBON SE 423 board D301 D302 Ribbon end SE 424 board Q350 Q351 ...

Page 94: ......

Page 95: ...trol circuit 4 CPU circuit 5 Color adjustment and masking table circuit 4 1 1 Oscillator Circuit and Reset Circuit Oscillator Circuit 20MHz clocks are generated by IC202 and ceramic oscillator X201 All the circuits on the IF 787 and IF 788 boards operate according to these clocks These clocks are input to system controller CPU IC204 memory controller IC102 SCSI protocol controller IF 787 and IEEE ...

Page 96: ...is decided by setting DIP switch S208 IEEE 1284 Interface UP D2600 only The UP D2600 adopts IEEE 1284 as an interface The IEEE 1284 is an expanded version of the Centronics interface used in the conventional printer ports and offers such merits as bi directional communication and fast transfer speed ECP mode The UP D2600 is compatible with the following operations modes of the IEEE 1284 Compatible...

Page 97: ... array Its main functions are as follows UP D2600S Image data is written in DRAMs IC107 IC108 and IC111 by one byte to one byte should the DMA bus pins 2 to 8 of IC102 input from IC209 The handshake with IC209 is performed at DREQ and DACK pins 156 through 158 Receiving control line DMAEN pin 111 from IC204 DMA transmission is performed while DMABSY pin 115 is active UP D2600 The data bus input fr...

Page 98: ...r 7 Determines key inputs Print and Stop 8 Sounds the buzzer 9 Selects the masking The program is memorized in the external ROM IC210 CNI212 is a socket for tools It is used for inserting the LED display for showing data during adjustments S201 through S207 are also keys for adjustments Address map 0000H DFFFH Program area IC210 D000H D7FFH LED display IC IC212 Write only D800H DFFFH DRAM write IC...

Page 99: ...morized by the CPU program ROM The following shows the data flow IC101 Operation IC105 and IC106 are masking ROMs based on a two ROM data conversion system They correct the deviation in the ideal color reproduction and color of the print R C SUB1 G M SUB2 B Y MAIN Y PRINTING COLOR0 H COLOR1 L R Y SUB1 G C SUB2 B M MAIN M PRINTING COLOR0 L COLOR1 H C PRINTING COLOR0 H COLOR1 H BW PRINTING COLOR0 L ...

Page 100: ...correction IC IC210 4 2 1 Fan Motor Drive Circuit The fan motor is driven by the control signal from pin 80 of IC112 CPU When the temperature of the thermal head is higher than the certain value in the printing or stand by mode this signal is set to LOW and the fan motor is rotated 4 2 2 Ribbon Motor Drive Circuit The ribbon motor is PWM driven by the control signal active L from pin 45 of IC112 1...

Page 101: ...N A OUT GND GND A OUT A IN A VCC N C B OUT GND N C B IN B VCC N C B OUT GND B VCC B IN 4 3 12V 1k 1k 1k 1k SN74HC14ANS E05 R MB3863PF G BND E 10E 2FD 16V 100 R292 R291 TP185 R166 IC110 IC113 2 6 C178 TP188 R174 D101 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 2 2 2 IC112 45PIN IC115 9PIN CN012 2PIN CN012 1PIN TO LOAD MOTOR The control signal from is input to The motor is driven by the volta...

Page 102: ...phase and one two phase excitation Each phase A A B and B control signal is output from pins 21 through 24 of IC112 CPU The control signal is input to the pins 6 5 17 and 16 of IC101 as active L via buffer IC104 The stepping motor is then driven by chopper driving 22PIN 23PIN 24PIN 21PIN 22PIN 23PIN 24PIN 21PIN Two phases excitation One two phase excitation ...

Page 103: ... 5V 5V 5V 5V SN74HC74ANS E05 2SB798 T1DK SN74HC14ANS E05 SN74HC161ANS E05 2SC1623 T1 L5L6 SLA7024M 1k 4 7k 330 1k 82 470 100 2 2k 4 7k 4 7k 4 7k 4 7k SN74HC245ANS E05 SN74HC245ANS E05 SN74HC245ANS E05 SN74HC245ANS E05 IC114 1 3 Q103 IC113 4 6 IC111 Q101 IC101 IC104 4 8 IC104 3 8 IC104 2 8 IC104 1 8 R147 TP127 TP136 CL1079 TP158 CL1074 TP135 R162 R160 R159 CL1078 CL1075 CL1076 CL1077 R136 TP151 TP1...

Page 104: ...is read the suitable setting value is calculated and is written in the E2 PROM The level can be ensured in the mechanical tool mode 1 Platen position sensor Route SE 419 to SE 417 to PRT 11 TP PRT 11 board TP102 Function Home position distinction of platen Level H Home position L Except home position 2 Platen cover sensor Route SE 419 to SE 417 to PRT 11 TP PRT 11 board TP105 Function Distinction ...

Page 105: ...not Level H The ribbon cassette is not inserted L The ribbon cassette is inserted 0 2 4 E S A CA E CO 7 1 4 E S 1 1 T R P 3 2 4 1 11 9 12 8 470p 470p 10k 150 33 10k 33 C4 C5 IC2 5 8 IC2 4 8 R11 R9 R8 R12 R4 3P 2P 6P 5P CN008 CN7 6P 5P 1P 3P 2P A CA E CO 3 2 4 1 4P 4P 1P CN1 CN201 150 R7 5V 5V 10k 10k R115 R113 16 15 IC103 4 8 IC115 IC103 5 8 14 6 15 5 33 33 L120 L121 R142 R143 HED_POS1 TP113 HED_P...

Page 106: ... Ribbon end H H Cueing of YELLOW L H Cueing of MAGENTA and CYAN H L Others L L 2 2 4 E S 7 1 4 E S 1 1 T R P PAPER JAM SENS GP2S40K E CO CA A 2 3 4 1 2P 1P 1P 2P 15P CN4 CN250 CN7 15P CN008 GP2S40K PH250 11P 9 10 11 7 6 5 4 1 2 3 12V 5V 5V 33 470p 470p µPC324G2 µPC324G2 10k 33 22k 33 150 R42 C14 C15 Q2 IC5 4 4 IC5 2 4 R37 R24 R39 R34 R21 2SC1623 Q2 5V 14 33 13 12 470p µPC324G2 10k C128 IC6 4 4 R28...

Page 107: ... 3P 3P 4P 14P 10P CN6 CN402 CN7 14P GP2S40K PH401 10P 9 10 11 1 2 3 8 2 10 5V 5V 33 470p 470p µPC324G2 µPC324G2 10k 33 22k 33 150 R48 C20 C13 IC6 2 4 IC6 1 4 R45 R23 R39 R38 R18 2SC1623 Q1 5V 8 32 9 10 470p µPC324G2 10k C127 IC6 1 4 R280 5V LD CLK D1 VCC VDD A06 A05 A04 A03 VSS GND A02 A01 D1 CLK LD D0 M62354FP T1 IC107 TP155 TP154 TP153 8 9 10 11 12 13 14 1 2 3 4 5 6 7 RBN BCD 33 L116 TP124 R138 ...

Page 108: ... There is a print paper at eject paper exit L There is not print paper at eject paper exit 7 2 4 E S CA A E CO 8 1 4 E S 1 1 T R P 4 3 1 2 2P 1P 2P 1P CN101 CN504 IC112 RP1 5100 LOAD TMG SENS PH501 RP1 5100 17 3 33 IC101 1 8 R108 3P 3P 18 43 IC102 1 8 IC103 7 8 18 1 2 33 L114 R132 LOAD_TMG TP101 11P 11P CN009 CN105 SENSOR_CHECK TP123 470p 10k C102 R116 5V 2 10k R106 5V 10 12 8 5V 2 5V 2 DTC124 2SB...

Page 109: ...not set L The paper ejector is set 9 2 4 E S A CA E CO 8 1 4 E S 1 1 T R P 3 2 4 1 14 6 13 7 470p 470p 10k 33 10k 33 C101 C104 IC101 3 8 IC101 4 8 R115 R110 R118 R111 3P 2P 5P 6P CN009 CN105 5P 6P 1P 3P 2P A CA E CO 3 2 4 1 4P 4P 1P CN103 CN601 10k R110 5V 2 5V 2 10k R112 15k 15k R101 R103 5V 2 5V 2 5V 20 21 IC102 4 8 IC115 IC102 3 8 16 4 15 5 33 33 L112 L111 R130 R129 TRAY_POS0 TP107 TRAY_POS1 TP...

Page 110: ...ol signal from pin 44 of IC112 CPU It is only driven at eject paper time 8 1 4 E S 1 1 T R P 7P CN009 7P CN105 19 IC112 IC102 5 8 14 6 33 L110 R128 LOAD_FG TP112 470p 10k C115 R114 5V 10 16 4 4 3 2 1 5V 2 5V 2 10k 33 150 GP1S58V 470p IC101 7 8 C107 PH101 R121 R114 R105 7 1 4 E S 1 1 T R P 2 3 4 1 2 4 5 5V 5V 5V 5V GP2S40K 470p µPC339G2 E2 150 470p 10k 10k 220k 10k 10k 33 PH1 C10 IC7 1 4 R1 C12 R35...

Page 111: ...ltage drop control IC that corrects voltage drop by common resistor of the thermal head Head voltage correction circuit The print data is received from the IF 787 or IF 788 board as parallel data for γ correction Each signal processing is added by PQC IC After that PWM modulation is performed by head driving IC and the print data is sent to the thermal head 16 2 14 ELEMENT DATA CONTROL 5 5 8 3 9 8...

Page 112: ...int data Separation print processing If the print dot area of low density image portion becomes small clearance between print lines appears Therefore one step gradation is divided by four for printing Line Number Correction IC If the exothermic resistor element connected to the thermal head increases the composite resistance of the element decreases Voltage drop by common resistor of a harness can...

Page 113: ...ed for DMA transmission The head driving IC IC208 receives the PRINT_PULSE_P signal from PQC IC IC207 and outputs an nPRINT_DREQ signal After that 1 line 8 bit print data is DMA transferred in synchronization with the PRINT_DCK signal from PQC IC Taken the next PRINT_PULSE_P signal is input data is transmitted to the thermal head as 8 port serial data together with a shift clock HEAD_CK data latch...

Page 114: ... IC to HDC IC Item Code address MIN MAX Unit nHA to PP t REM 10 ns PP to nHA t LHH 5 48 ns nDREQ to nDACK t RTA 10 ns nDACK to DCK input t SDC 0 ns Data setup time t DS 10 ns Data hold time t DH 10 ns DCK high level width t PWH 200 ns DCK low level width t PWL 200 ns DCK to nDACK t LHA 1 8 µs DREQ tFDCKCYC tFDRQH tFDS tFDH DCK D 7 0 tREM nHEAD_ACTIVE PRINT_PULSE nPRINT_DREQ nPRINT_DACT PRINT_D 7 0...

Page 115: ... Unit DATA 1 TO 8 HED_CLK cycle time t CYD 150 87 ns nHEDLATCH low level width t WLL 452 61 ns nHED LATCH to HED_CK t DLH 528 04 ns HED_CK to nHED_LATCH t CLL 678 91 ns nHED_LATCH to nHED_STRB t WLS 2 26 µs tCYD HEAD_D1 16 HEAD_DCK HEAD_LATCH HEAD_STRB tDLH tWLL tCLL tWLS ...

Page 116: ......

Page 117: ...ing The dot line portion at the top of the platen upper Replacement of the thermal head is performed from bottom side of the unit The bottom side has the lid The dot line portion at the bottom of the thermal head lower There are a postcard size paper supply tray and a paper injector one piece injection unit as option Major parts layout 1 Ribbon cartridge 2 Platen 3 Paper hold roller 4 Chuck 5 Pape...

Page 118: ...aten drive Chuck open and shut linked with rotation of platen 3 Paper supply motor DC motor forward rotation reverse rotation Pickup roller drive Paper supply roller separation roller drive Paper eject roller drive BC gear drive 4 Tray motor DC motor forward rotation reverse rotation Separation roller position movement Paper lead flap drive Paper supply arm drive Paper eject arm drive 5 Ribbon mot...

Page 119: ...ction of paper eject miss 7 Paper supply FG sensor Transparency Photointerrupter Detection of paper sending quantity 8 Tray position sensor Transparency x2 Photointerrupter Detection of tray motor cam position 9 Tray size sensor Transparency Photointerrupter with arm Detection of tray size 10 Paper existence sensor Transparency Arm and photointerrupter Judgement of paper existence 11 Ribbon FG sen...

Page 120: ...er supply 2 Beginning detection of ribbon yellow Paper supply 3 Paper supply Paper supply 4 Paper chucks the platen Paper supply 5 Jamming judgment Home 6 Positioning of paper print start Print Home Yellow print Fast forward Home Beginning detection of ribbon magenta Positioning of paper print Print Home Magenta print Fast forward Home Beginning detection of ribbon cyan Positioning of paper print ...

Page 121: ...n When the power switch is turned ON if the platen is not in the home position the platen will be returned to the home position only with the paper and ribbon inserted If the system cam and the tray cam and the platen are at the home position the mechanism does not operate The existence of the ribbon cartridge and print paper is judged Head preheating and fan motor rotation are performed only when...

Page 122: ...aper supply FG sensor is counted from when the paper passes through the paper edge sensor and the timing of platen rotation start is measured When the platen is rotated about 55 the paper is chucked perfectly Actually the chuck is closed gradually At this time the paper conveyance quantity by the paper supply roller is little much than the paper conveyance quantity by the platen Next when the plat...

Page 123: ...and the ribbon motor and platen are rotated The above figure shows the print start condition of yellow The rear edge of paper is left at the paper lead flap 5 2 5 Fast forward position Fig 5 7 When each color printing is ended the thermal head is separated and fast forward is performed Platen Positioning of paper and eject paper start Ribbon Beginning detection of magenta and cyan ...

Page 124: ...otated reversely to perform the eject paper operation At the same time the eject paper roller is rotated by rotating the paper supply motor The chuck is opened gradually according to the rotation of the platen and the paper is conveyed to the eject paper base Lastly the tray motor cam is set to the eject paper position the eject paper arm is moved and the paper is fallen on the eject paper tray ...

Page 125: ...se replace the corresponding parts by new ones Platen motor gear pitch 2 1 mm Platen gear pulley pitch 9 8 mm Platen pulley pitch 39 3 mm Flange B same place every time flange B platen motor gear platen gear pulley platen pulley 95 88 100 x x 76 20 22 25 flange B 3 609 335 01 tooth number 100 pitch circle 47 75 mmdia 120TN15 belt 3 609 350 01 platen gear pulley 3 609 348 01 module 0 3 tooth number...

Page 126: ...e forward diretion But when more than two papers are put between the paper supply roller and separation roller gears A and B of P limiter gear ass y are rotated in same direction and the separation roller is rotated reversely since the direct transmission drive power from the paper supply roller to separation roller becomes weak due to the slipped paper and since the drive power from the P limiter...

Page 127: ...n or defect can be suspected 2 All alarm LEDs light and stop when the power is turned ON Cause System controller IC204 is not initialized normally Countermeasure Communication with the mechanical controller PRT 11 board may have failed Check the harness connecting CN204 on the IF 787 or IF 788 board and CN006 on the PRT 11 board Or communication with the EEPROM IC201 on the IF 787 or IF 788 board ...

Page 128: ...er supply line may be damaged when the external terminator is not defective Countermeasure Replace the fuse F201 Whether the F201 is broken or not you cannot judge by your eyes 6 Printing operation is NG Countermeasure The cause can be ascertained by performing the mechanical adjustments sequentially Refer to Section 3 6 Point on Output System Print The PP IN signal on the PRT 11 board is the sign...

Page 129: ... Location Paper supply tray assembly The paper cannot be fed even though the paper feed block assembly and paper supply lever are working normally This is because the paper is not being fed from the paper supply tray The possible causes are the deformation of the claw of the paper supply tray or the paper is bent when the paper is set to the tray 2 Paper Ejection Troubles Location Platen cover ass...

Page 130: ...ation Paper supply tray assembly and head link section The print is badly out of position To locate the trouble area print using the following method First print using a standard size paper Just before printing is completed open the print cover The platen stops Check the gap width between the black rubber of the platen and paper If the gap is consistent throughout from top and bottom it means that...

Page 131: ... A commercial leakage tester such as the Simpson 229 or RCA WT 540A Follow the manufacturers instructions to use these instruments 2 A battery operated AC milliammeter The Data Precision 245 digital multimeter is suitable for this job 3 Measuring the voltage drop across a resistor by means of a VOM or battery operated AC voltmeter The limit indication is 5 25 V so analog meters must have an accura...

Page 132: ...Printed in Japan Sony Corporation 1999 12 22 B P Company 1999 UP D2600S UC CE UP D2600 UC CE E 9 955 195 11 ...

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