Samsung ML-1700 specifications Hvps Circuit Diagram 1/2, Thv

Page 117

11.3 HVPS Circuit Diagram (1/2)

S C H E M ATIC DIAG R A M S

5V

R202

100

CON2-16Q201 A708-Y

5V

D201

 

 

C204

 

 

 

 

103

 

 

1N4148

 

 

 

 

 

 

 

 

 

 

 

 

24VS

R209

 

C207

 

103

100K

 

C206

 

 

IT201

R210

104

 

C210

THV-PWM R201

430THV-sen

 

R204

R205

 

47K

22K

R203

C201

C202

2K

473

102

 

 

THV

50K

C203

681

R206

180K-F

4

5+

6-

11

C205

473

7

U102-B

KA324

R207

330K-F

 

 

5.6K

 

 

4

 

 

6KV 221

C211

 

R208

Q202

 

 

 

2 ¡

 

 

 

 

 

 

 

 

 

 

6KV 221

 

10K

C945C-Y

 

 

 

 

6

 

 

 

 

 

 

 

 

 

D204

D205

D206

 

 

 

 

 

 

5

¡ 7

 

 

 

 

D203

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D1NL20U

 

1 ¡

 

6KV

6KV

6KV

 

 

 

 

 

 

 

 

 

 

Q203

 

 

IT-01

 

C209

6KV 221

R212

THV

 

 

 

C208

 

 

 

 

C2383

 

 

 

 

 

1/2W 100K

 

 

 

 

 

681

 

 

 

 

 

 

ZD201

R211

D202

 

 

 

 

 

 

 

 

2.7V

D1NL20U

 

 

 

 

TNR201

 

 

 

 

1/4W 4.7

 

 

 

 

 

 

 

 

 

 

 

 

 

5N221K

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C212

 

TNR202

R213

 

 

 

 

 

 

 

2KV 221

 

 

 

 

 

 

 

 

5N431K

 

 

 

 

 

 

 

 

MGR1/2W 100MF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

24VS

 

 

 

TNR203

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5N431K

 

 

CON2-17

THV-EA

R301

1K

5V

R309

N.U

R302

 

C302

 

 

 

 

 

103

 

 

 

 

470K

 

 

 

 

 

 

 

R303

C301

IT301

D302

 

 

 

 

 

 

 

 

 

470

4

 

 

 

 

 

104

 

4KV

C304

R305

 

 

¡

 

 

2

 

3KV 151

MGR1/2W 50M

 

 

 

6

 

 

 

 

 

 

Q301

 

5

¡ 7

 

 

THV-sen

 

 

 

 

 

C945C-Y

 

1

¡

 

 

 

 

 

 

 

 

R306

D303

CON2-18

THV-READ

R308

1K

C307

473

C306

INDEX

50K

1

U102-A

KA324

473

 

 

R307

 

150K

+

3

 

-

2

 

 

 

Q302

C303

IT-01

 

150KF

1N4148

 

 

103

 

 

 

 

 

 

C2383

 

 

 

 

 

 

ZD301

 

D301

 

 

 

 

 

2.7V

R304

 

 

C305

 

 

 

D1NL20U

 

D304

 

5V

 

1/4W 4.7

 

 

104

 

 

 

 

1N4148

 

 

 

 

 

 

 

 

D305

 

 

 

 

 

 

 

1N4148

 

 

 

 

 

 

Service Manual

Samsung Electronics

11-13

Page 116 Page 118
Image 117
Page 116 Page 118
Contents Specifications PrecautionsTroubleshooting Block DiagramElectronics 2003 Precautions Precaution related electric shock or fire Precaution related noxious materialPrecaution when assembly/disassembly Precaution related handling the machineESD Precautions DCUDiagnostic Control Unit Driver Tool for TroubleshootingLSU Acronyms and Abbreviations1 A4 5% Pattern Sample Pattern for the Test2 A4 2% Pattern 3 A4 IDC Pattern Samsung Electronics General Specifications SpecificationsController Specification Electrical SpecificationEnvironmental Range Toner Cartridge Developer Paper Handling SpecificationsSpecifications Front View Printer ComponentsInside View Rear ViewControl Panel On Line/Error and Toner Save LEDsPrinting demo Cancel buttonFuser System LayoutTransfer Ass’y Feeding PartDriver Ass’y Fixing PartFuserLSU Laser Scanner Unit Safety Relevant FactsToner Cartridge Main Pbaspl Model Flash Memory Asic JupiterSdram Sensor input circuitPaper Exit Sensing Paper Feeding, Toner Cartridge SensingCover Open Sensing DC FAN / Solenoid DrivingSdram Regulator Clock Generator Buffer Motor Drive Main PBA PCL ModelML-1710 ML-1510 ML-1750 Memory AsicSPGPmAHB BUS SPGPm Internal Block DiagramSmps & Hvps HVPSHigh Voltage Power Supply Rated Power Output SMPSSwitching Mode Power SupplyConsumption Power Length of Power Cord 1830 ± 50mm Power Switch UseFuser AC Power Control Drive Engine F/WTransfer FeedingFusing Heat Lamp MethodPID Method 5 LSU What is the Q-PID Method?General Precautions on Disassembly Releasing Plastic LatchesWhenever servicing the machine, you must perform as follows Top Cover FuserHeat Lamp Type FuserFuserQ-PID Type Unplug Thermister Harness from the Fuser cover LSU Exit RollerDriver Ass’y FanMain PBA Engine Shield Ass’ySmps Transfer Roller Feed Roller Pick Up Roller & Solenoid DCU Setup How to use DCUError Code CodeNormal Code Code Description Self Diagnostic Mode13 THV+ TRIGGER. ALL HV Functi on Enter Up/ Dow n Stop Remar k Self Test ButtonPaper OutFace Up Paper PathPaper Exit Area JAM2 Clearing Paper JamsAround the Toner Cartridge JAM1 Paper Feed Area JAM0Tips for Avoiding Paper Jams Printing a Demo Sample PatternPrinting a cleaning sheet LED Status Display by Each Error Consumables and Replacement PartsRoller Defective image Typical defect Periodic Defective ImageSamsung Electronics Bad image Vertical Black Line and BandVertical White Line Black/White Spot Horizontal Black BandDark Image or a Black Light ImageBackground Uneven DensityGhost Satins on the Face Blank Page Print out Satins on BackBad discharge Wrong Print Position2 JAM 4 JAM 3 JAMPaper rolled in the Fuser Multi-FeedingPaper rolled in the Toner Cartridge OPC Drum All LEDs blinking Fuser Error All LEDs blinking Scan ErrorMalfunction Not function of the gear of the fuser due to melting away Paper EmptyPaper Empty without indication Cover Open No lamp on when the cover is openDefective motor operation No PowerVertical Line Getting Curved Precautions on Safe-keeping of Toner Cartridge Toner Cartridge ServiceService for the Life of Toner Cartridge Redistributing TonerImage Signs and Measures at Poor toner cartridgeFault Signs Cause & Check Solution White Black spot Printer is not working Bad Environment of The SoftwareUtilities program Abnormal Printing How to delete the data in the spool manager Spool ErrorExploded Views and Parts List 11-1 11-2 11-3 Main Assembly Parts List Unit Assembly Frame Unit Assembly Parts List Frame Unit Assembly Parts ListCont Drive Unit Assembly Parts List Drive Unit AssemblyCassette Unit Assembly Cassette Unit Assembly Parts List Fuser Unit Assembly Fuser Unit Assembly Parts List Samsung Electronics 9Block Diagram 9.1 PCL Model Motor DR PART’S SPL ModelPCL Model Connection DiagramComputer PCL Main Circuit Diagram 1/7 Schematic DiagramsPCL Main Circuit Diagram 2/7 PCL Main Circuit Diagram 3/7 PCL Main Circuit Diagram 4/7 PCL Main Circuit Diagram 5/7 PCL Main Circuit Diagram 6/7 PCL Main Circuit Diagram 7/7 SPL Main Circuit Diagram 1/5 SPL Main Circuit Diagram 2/5 SPL Main Circuit Diagram 3/5 SPL Main Circuit Diagram 4/5 SPL Main Circuit Diagram 5/5 THV Hvps Circuit Diagram 1/24KV Hvps Circuit Diagram 2/2Smps Circuit Diagram 110V 1/2 CON2-14MANUAL CON2-25EXIT Smps Circuit Diagram 110V 2/2
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