Tektronix TDS 310 Manuale utente

Service Manual

TDS 310, TDS 320 & TDS 350

Two Channel Oscilloscopes

070-8570-05

Warning

The servicing instructions are for use by qualified

personnel only. To avoid personal injury, do not

perform any servicing unless you are qualified to

do so. Refer to the Safety Summary prior to

performing service.

This document applies for TDS 310, TDS 320,

and TDS 350 Oscilloscopes with serial numbers

B040100 and above.

  

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 &+42/.*8 .$ &"6&24/. 2&(/. 

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&+42/.*8 .$  /8  &"6&24/.  

2*.4&% *. 

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0"4&.43 *335&% ".% 0&.%*.( )& '/,,/7*.( "2& 2&(*34&2&% 42"%&-"2+3 !  :

 ".% ;

WARRANTY

!                    " 

     "       "  !      

               !    

       "   " !      !   "

                

         " !     ! 

"                  "    ! 

        "     !  "   

   "  

 "   "  "      "       

  !          "        "

   !              

                   

              "    

THIS WARRANTY IS GIVEN BY TEKTRONIX WITH RESPECT TO THIS PRODUCT IN LIEU OF ANY OTHER

WARRANTIES, EXPRESSED OR IMPLIED. TEKTRONIX AND ITS VENDORS DISCLAIM ANY IMPLIED WARRANTIES OF

MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. TEKTRONIX' RESPONSIBILITY TO REPAIR OR

REPLACE DEFECTIVE PRODUCTS IS THE SOLE AND EXCLUSIVE REMEDY PROVIDED TO THE CUSTOMER FOR

BREACH OF THIS WARRANTY. TEKTRONIX AND ITS VENDORS WILL NOT BE LIABLE FOR ANY INDIRECT, SPECIAL,

INCIDENTAL, OR CONSEQUENTIAL DAMAGES IRRESPECTIVE OF WHETHER TEKTRONIX OR THE VENDOR HAS

ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.

DS 310, DS 320 & DS 350 Service Manual 

able of Contents

Safety Summary ix.............................................

Specifications

Warranted Characteristics 1Ć3...................................

Performance Conditions 1Ć3..................................

ypical Characteristics 1Ć7.......................................

Nominal raits 1Ć11...............................................

Operating Information

Front Panel 2Ć1.................................................

Display and Power Controls 2Ć2..............................

Vertical Controls 2Ć3.........................................

Horizontal Controls 2Ć4......................................

rigger Controls 2Ć5.........................................

Miscellaneous Controls 2Ć6..................................

Display Map 2Ć7.............................................

Inputs 2Ć8...................................................

Rear Panel 2Ć9..................................................

Menu Maps 2Ć11.................................................

heory of Operation

Logic Conventions 3Ć1.......................................

Module Interconnection 3Ć1..................................

A1 Main Board 3Ć4...........................................

A2/A3 Option Board (Option 14 Instruments Only) 3Ć9..........

A4 Front Panel 3Ć10...........................................

A20 Low Voltage Power Supply 3Ć11...........................

A26 Monitor Assembly 3Ć11...................................

Fan 3Ć12.....................................................

Table of Contents

Section Name (Nm:Sect)



Performance Verification

Conventions 4Ć1.............................................

Test Equipment 4Ć3..........................................

Test ecord 4Ć3.............................................

Self Test 4Ć5....................................................

Functional Test 4Ć7..............................................

Performance Tests 4Ć11...........................................

Prerequisites 4Ć11............................................

Signal Acquisition System Checks 4Ć11........................

Time Base System Checks 4Ć15...............................

Trigger System Checks 4Ć17...................................

Adjustment Procedures

Adjustment 5Ć1.................................................

Equipment equired 5Ć1.....................................

The System Calibration Menu 5Ć2.............................

Attenuator Adjustment 5Ć4...................................

Monitor Adjustments 5Ć6.....................................

Maintenance

Inspection and Cleaning 6Ć1.....................................

Preventing ESD 6Ć1..........................................

General Care 6Ć2............................................

Inspection and Cleaning Procedures 6Ć2......................

emoval and eplacement 6Ć7...................................

Preparation Ċ Please ead 6Ć7...............................

Line Fuse and Line Cord 6Ć9.................................

Front Panel Knobs and Shafts 6Ć11............................

ear Cover, Cabinet, and Cabinet Handle 6Ć13..................

Trim ing, Menu Elastomer, Menu Buttons, and Front

EMI Gaskets 6Ć15.........................................

Front Panel Assembly and Menu Flex Circuit 6Ć17...............

Main Board Assembly 6Ć20....................................

Monitor Assembly 6Ć23.......................................

Power Supply Assembly 6Ć26..................................

Option 14 Assembly 6Ć28......................................

Fan and Fan Mount 6Ć30......................................

Troubleshooting 6Ć33.............................................

Onboard Diagnostics 6Ć33....................................

Ta le of Contents

TDS 310, TDS 320 & TDS 350 Service Manual 

Ena ling Cali ration Menus 6Ć35..............................

Trou leshooting Procedure 6Ć36...............................

Repackaging Instructions 6Ć49....................................

Options

Options and Accessories 7Ć1....................................

Options 7Ć1.................................................

Standard Accessories 7Ć3....................................

Optional Accessories 7Ć3....................................

Accessory Pro es 7Ć4.......................................

Accessory Ca les 7Ć4.......................................

Electrical Parts List

Replacea le Electrical Parts 8Ć1..................................

Diagrams

Diagrams and Circuit Board Illustrations 9Ć1......................

Sym ols 9Ć1................................................

Component Values 9Ć1.......................................

Graphic Items and Special Sym ols Used in This Manual 9Ć1...

Component Locator Diagrams 9Ć2............................

Mechanical Parts List

Replacea le Mechanical Parts 10Ć1................................

Table of Contents

Section Name (Nm:Sect)

TDS 310, TDS 320 & TDS 350 Service Manual v

List of Figures

-+96) ?>"! "! %2( "! -1)27-327 ?

-+96) ?>",) "! 7'-0037'34) 6328 %2)0 ?

-+96) ?>6-1%6= 92'8-327 )29 %4 ?

-+96) ?>!)'32(%6= 92'8-327 )29 %4 ?

-+96) ?>03'/ -%+6%1 "! "! %2(

"! !  %2( )03; ?

-+96) ?>"!  03'/ -%+6%1 "! "! %2(

"! !  %2( &3:) ?

-+96) ?>'59-7-8-32 !=78)1 03'/ -%+6%1 ?

-+96) ?>)29 3'%8-327 ?

-+96) ?>#)6-*=-2+ (.9781)287 %2( !-+2%0 %8, 314)27%8-32 ?

-+96) ?>33/94 *36 92'8-32%0 ")78 ?

-+96) ?>33/94 *36  #308%+) )%796)1)28 ''96%'= ,)'/ ?

-+96) ?>33/94 *36 2%03+ %2(;-(8, ,)'/ ?

-+96) ?>)%796-2+ 2%03+ %2(;-(8, ?

-+96) ?>33/94 *36 !%140) %8) ,)'/ ?

-+96) ?>33/94 *36 "6-++)6 !)27-8-:-8= ,)'/ ?

-+96) ?>)%796-2+ "6-++)6 !)27-8-:-8= ?

-+96) ?>",) !=78)1 %0-&6%8-32 )29 ?

-+96) ?>"-1-2+ 314)27%8-32 $%:)*361 ?

-+96) ?>88)29%836 (.9781)28 !)894 %2( 3'%8-327 ?

-+96) ?>32-836 (.9781)287 ?

-+96) ?>7'-0037'34) 6-)28%8-32 ?

-+96) ?>-2) 36( )13:%0 ?

-+96) ?>-2) 97) )13:%0 ?

-+96) ?>23& %2( !,%*8 )13:%0 ?

-+96) ?> )%6 3:)6 %&-2)8 %2( %&-2)8 %2(0) %2(

))8 )13:%0 ?

-+96) ?>"6-1 -2+ )29 0%7831)6 %2( )29 988327

)13:%0 ?

-+96) ?> %7/)8 )13:%0 %2( 278%00%8-32 ?

-+96) ?>6328 %2)0 77)1&0= %2( )29 0)< -6'9-8 )13:%0 ?

-+96) ?>-7%77)1&0= 3* 6328?%2)0 77)1&0= ?

-+96) ?>%-2 3%6( )13:%0 ?

-+96) ?> %2( =&6-( )13:%0 ?

-+96) ?>32-836 77)1&0= )13:%0 ?

-+96) ?>3; #308%+) 3;)6 !9440= )13:%0 ?

-+96) ?>48-32  -7%77)1&0= ?

-+96) ?>48-32  77)1&0= )13:%0 ?

List of Figures

Section Name (Nm:Sect)

Figure 6Ć16:ăFan and Fan Mount Removal 6Ć31.......................

Figure 6Ć17:ăThe Diagnostics Menu 6Ć34............................

Figure 6Ć18:ăThe Error Log 6Ć35....................................

Figure 6Ć19:ăMain Board Cal Jumper 6Ć36...........................

Figure 6Ć20:ăPrimary Troubleshooting Procedure 6Ć37.................

Figure 6Ć21:ăModule Isolation Troubleshooting Procedure 6Ć38.........

Figure 6Ć22:ăFront Panel/Processor Troubleshooting Procedure 6Ć39....

Figure 6Ć23:ăMonitor Troubleshooting Procedure 6Ć40.................

Figure 6Ć24:ăJ901 Pin 7 Signal 6Ć41.................................

Figure 6Ć25:ăJ901 Pin 2 Signal 6Ć41.................................

Figure 6Ć26:ăJ901 Pin 5 Signal 6Ć42.................................

Figure 6Ć27:ăPower Supply Troubleshooting Procedure 6Ć43...........

Figure 6Ć28:ăPower Supply Connector Locations 6Ć45.................

Figure 6Ć29:ăSupply verload Troubleshooting Procedure 6Ć46.........

Figure 6Ć30:ăI/ Interfaces ption Troubleshooting Procedure 6Ć47.....

Figure 9Ć1:ăGraphic Items and Special Symbols Used in

This Manual 9Ć2..............................................

Figure 9Ć2:ăComponent Locator Diagram Key 9Ć2....................

Figure 9Ć3:ăA1 Main Board (TDS 310, TDS 320, and TDS 350

SN B040100 and Above, Section A, B) 9Ć3......................

Figure 9Ć4:ăA1 Main Board (TDS 310, TDS 320, and TDS 350

SN B040100 and Above, Section C, D) 9Ć4......................

Figure 9Ć5:ăA1 Main Board (TDS 310 and TDS 350 SN B039999

and Below, and TDS 320 SN B021868 Through B039999,

Section A, B) 9Ć7............................................

Figure 9Ć6:ăA1 Main Board (TDS 310 and TDS 350 SN B039999

and Below, and TDS 320 SN B021868 Through B039999,

Section C, D) 9Ć8.............................................

Figure 9Ć7:ăA1 Main Board (TDS 320 SN B021867 and Below,

Section A, B) 9Ć11.............................................

Figure 9Ć8:ăA1 Main Board (TDS 320 SN B021867 and Below,

Section C, D) 9Ć12.............................................

Figure 9Ć9:ăA2 ption Board 9Ć15...................................

Figure 9Ć10:ăA3 ption 14 Printer Power 9Ć16........................

Figure 9Ć11:ăA4 FrontĆPanel Board (Front) 9Ć18.......................

Figure 9Ć12:ăA4 FrontĆPanel Board (Back) 9Ć19.......................

Figure 9Ć13:ăA26 Monitor Board 9Ć21................................

Figure 10Ć1:ăCabinet 10Ć5.........................................

Figure 10Ć2:ăFrontĆPanel Assembly 10Ć7.............................

Figure 10Ć3:ăCRT, Power Supply, and Circuit Boards 10Ć9..............

Figure 10Ć4:ăAccessories-Cable ptions 10Ć10.......................

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