Manuals / Agilent Technologies / Household Appliance / Water Heater

Agilent Technologies E4351B Simplified Diagram of DSP Circuits, Board, P.O. Dsp, I Mon, CC Or

Models: E4351B E4350B

1 57

Download 57 pages 1001 b

Page 26

Image 26

Simplified Diagram of DSP Circuits

Mno V

SAS

Otu +

S+

- S

- Out

Board

P.O. DSP

411R

99K.4

412R

200

401AU

5V-to

408R

125K

406R

25K1

407R

CV Prog

CC Prog

5V-to 0

900

20K

CV DAC

432

410R

464

440R

64K.4

20K433R 465R

605AU

434R

435R

SAS401BU

404R

VoltageOutput

Monitor

U773

CC DAC

Current utputO

onitorM

Fixed

DAC

Ref

+5V

426C

047uF.

10K

I Mon

R490

10K

491R

10K

Data

463R

ontrolC CC

403AU

703R

02.0

ontrolC VC

408BU

SSA

15V

134D

CC Or

Gate

411D

rO VC

ateG

4.99K

Fixed

U752

497R

6K.31

409B

194D

rossG +

Limit urrentC

488R

+5V

IMon

A/D

U753

U750

Amp ontrolC

Programming

5V+

503R

7K.14

503R

12K.4

408AU

409AU

Down

Amp

VMon

A/D

U751

PLD

U736

202U

201

Q206

U710

ssemb A inkStea

Series Regulator

Q201

202Q

now D

erProgramm

Q205

O.P

Rail+

inV

Rail

Sch4350.Pre

Figure 4-9. Simplified Power/Control/DSP Circuits

26	Service Addendum

Page 26

Image 26

Agilent Technologies E4351B Simplified Diagram of DSP Circuits, 9. Simplified Power/Control/DSP Circuits, Board, P.O. Dsp

Contents

Foreword Addendum A - SERVICE MANUALTable of Contents Chapter 2 Differences Required CharacteristicsChapter 1 Differences Firmware RevisionsMeasurement Techniques Basic Test SetupFigure 2-1. Basic Test Setup Figure 2-3. CC RMS Noise Measurement Test Setup Transient Recovery TimeCC RMS Noise Measurement Test Setup Voltage and Current ValuesAgilent E4350B Performance Test RecordTable 2-15A. Performance Test Record for Agilent Model E4350B Report NoCurrent Sink 0.9A Readback Accuracy PARD Ripple & Noise Table 2-15B. Performance Test Record for Agilent Model E4351BAgilent E4351B Isink - 27mAChapter 3 Differences Self-Test Error Codes/MessagesTable 3-2. Self-Test Error Codes/Messages Signature AnalysisOverall Troubleshooting sheet Figure 3-2. Overall Troubleshooting sheet 1 ofFigure 3-2. Overall Troubleshooting sheet 2 of Overall Troubleshooting sheetFigure 3-2. Overall Troubleshooting sheet 3 of Overall Troubleshooting sheetOverall Troubleshooting - sheet Figure 3-2. Overall Troubleshooting sheet 4 ofOverall Troubleshooting sheet Flow ChartsFigure 3-2. Overall Troubleshooting sheet 5 of Note that there are no changes to the flow chart in FigureNo Display Troubleshooting Figure 3-5. No Display TroubleshootingOV Will Not Fire Troubleshooting Figure 3-6. OV Will Not Fire TroubleshootingCaution During these tests, the output may be at hazardous levels OV at Turn-On TroubleshootingFigure 3-7. OV at Turn-on Troubleshooting Caution During these tests, the output may be at hazardous levels Output Held Low Troubleshooting sheetFigure 3-8 Output Held Low Troubleshooting Sheet 1 of Figure 3-8 Output Held Low Troubleshooting Sheet 2 of Output Held Low Troubleshooting sheetCaution During these tests, the output may be at hazardous levels Output Held High TroubleshootingFigure 3-9. Output Held High Troubleshooting Initialization and Factory Preset Replacement Program Listing sheet Initialization and Factory Preset Replacement Program Listing sheet Initialization and Factory Preset Replacement Program Listing - sheet Cable and Connector Locations Figure 3-18. Cable and Connector Locations for E4350B/E4351BDSP Board Digital Signal Processor DSP Board Chapter 4 DifferencesBoard Simplified Diagram of DSP CircuitsFigure 4-9. Simplified Power/Control/DSP Circuits P.O. DSPReference Table 5-6. Parts List for E4350B/E4351B ChassisChapter 5 Differences DesignatorDesignator Table 5-6. Parts List for E4350A Chassis-Mechanical continuedReference Part NumberDesignator Table 5-7. Parts List for Main PC Board Assembly A1Reference ModelDesignator Table 5-7. Parts List for Main PC Board Assembly A1 ContinuedReference ModelDesignator Table 5-7. Parts List for Main PC Board Assembly A1ContinuedReference ModelDesignator Table 5-7. Parts List for Main PC Board Assembly A1 ContinuedReference ModelDesignator Table 5-7. Parts List for Main PC Board Assembly A1 ContinuedReference ModelDesignator Table 5-7. Parts List for Main PC Board Assembly A1 ContinuedReference ModelDesignator Table 5-7. Parts List for Main PC Board Assembly A1 ContinuedReference ModelDesignator Table 5-7. Parts List for Main PC Board Assembly A1 ContinuedReference ModelDesignator Table 5-7. Parts List for Main PC Board Assembly A1 ContinuedReference ModelReference Designator Table 5-9. Parts List for GPIB PC Assembly A2Table 5-10. Parts List for Front Panel PC Assembly A3 5063-2356Reference Table 5-11. Parts List for Top Left Tunnel Board A4A1Part-Number DesignatorDesignator Table 5-12. Parts List for Right Tunnel Boards A4A2 & A4A4Reference Part-NumberDesignator Table 5-11. Parts List for Bottom Left Tunnel Board A4A3Reference Part-NumberTable 5-15. Parts List for Phone Adapter PC Assembly A7 Table 5-13. Parts List for DSP Board A5Table 5-14. Parts List for Adapter PC Assembly A6 MechanicalTable 6-3. Test Points Chapter 6 DifferencesTest Points Test Point Table 6-3. Test Points continuedSignal Measurement and ConditionsTable 6-3. Test Points continued SignalTest Point Measurement and ConditionsRight Tunnel Circuits Figure A1 Main Board Schematics FigureLeft Tunnel Circuits Figure DSP Board FigurePage Figure 6-5. A1 Main Board Schematic Diagram for E4350B sheet 1 of Figure 6-5. A1 Main Board Schematic Diagram for E4350B sheet 2 of Figure 6-5. A1 Main Board Schematic Diagram for E4350B sheet 3 of Figure 6-5. A1 Main Board Schematic Diagram for E4350B sheet 4 of Figure 6-6. A4 Left Tunnel Circuit Component Locations for E4350B Figure 6-7. A4 Right Tunnel Circuit Component Locations for E4350BPage Page Figure 6-10. A5 DSP Board Test Points Figure 6-11. A6 Adapter Board Schematic Diagram