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Hardware Troubleshooting

TLA 720 Benchtop Chassis and TLA 7XM Expansion Chassis Service Manual

4–31

Figure 4–19 is a troubleshooting chart that may help you locate faults within the
chassis.

Begin

Front panel

LED on?

Remove all modules

except the controller.

Turn on the mainframe

power switch.

Yes

Blower

operates?

Yes

Blower

operates?

Supply

voltages OK?

(Fig. 4–18)

Yes

Check for failure at blower

(Fan) control board,

blower cable, or blower

Yes

Power off mainframe.

Mainframe OK.

Check for failure at

power supply,

backplane board

(blown fuse or bad board)

Yes

Power cord

connected to

mainframe and

power source?

Rear-panel

fuse closed?

Yes

Replace

rear-panel

fuse.

Plug in cord at

both ends

Check for failure at

power supply

Check for failure at

front-panel LED,

LED cable from LED to J22 on

backplane board, or

series resistor (R60) on enhanced

monitor board (49.9

Ω)

+5VM

voltage OK?

(Fig. 4–18)

Supply

voltages OK?

(Fig. 4–18)

Figure 4–19: Primary troubleshooting procedure

Troubleshooting and Fault

Isolation Procedure

Содержание TLA 720

Страница 1: ...uy your excess underutilized and idle equipment along with credit for buybacks and trade ins Custom engineering so your equipment works exactly as you specify Critical and expedited services Leasing R...

Страница 2: ...7XM Expansion Chassis 071 0699 00 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 Ref...

Страница 3: ...eign patents issued and pending Information in this publication supercedes that in all previously published material Specifications and price change privileges reserved Tektronix Inc 14200 SW Karl Bra...

Страница 4: ...locations This warranty shall not apply to any defect failure or damage caused by improper use or improper or inadequate maintenance and care Tektronix shall not be obligated to furnish service under...

Страница 5: ...ce under this warranty Customer must notify Tektronix of the defect before the expiration of the warranty period If Tektronix is unable to provide a replacement that is free from defects in materials...

Страница 6: ...t Description 1 1 Characteristics Tables 1 3 Expansion Chassis Specifications 1 9 Product Description 1 9 Characteristics Tables 1 10 Operating Information Selecting the Correct Power Cord and Fuse 2...

Страница 7: ...moving the Enhanced Monitor Board 4 8 Removing the Power Supply 4 9 Removing the Mainframe Cover 4 10 Removing the Card Guides 4 11 Removing the Nut Rails 4 13 Removing the Temperature Sense Board 4 1...

Страница 8: ...4 40 Isolating System Problems 4 42 Expansion Mainframe Troubleshooting 4 44 Repackaging Instructions 4 47 Packaging 4 47 Shipping to the Service Center 4 47 Options Service Options 5 1 Diagrams Repla...

Страница 9: ...Installing the empty slot panel fillers 4 4 Figure 4 2 Location of blower assembly screws 4 6 Figure 4 3 Removing the blower assembly 4 7 Figure 4 4 Removing the blower 4 7 Figure 4 5 Removing the en...

Страница 10: ...nce 4 41 Figure 4 22 ResMan32 program output 4 43 Figure 6 1 Interconnection block diagram 6 1 Figure 6 2 Benchtop chassis block diagram 6 2 Figure 7 1 Cabinet and chassis assembly 7 7 Figure 7 2 Circ...

Страница 11: ...Table 2 2 RS 232 pin connector 2 12 Table 2 3 P1 connector pinouts 2 13 Table 2 4 P2 connector pinouts for slots 1 12 2 14 Table 2 5 P2 connector pinouts for slot 0 2 15 Table 2 6 Messages 2 16 Table...

Страница 12: ...Table of Contents TLA 720 Benchtop Chassis and TLA 7XM Expansion Chassis Service Manual vii Table 7 1 Standard accessories 7 1 Table 7 2 Standard accessories 7 2...

Страница 13: ...Table of Contents viii TLA 720 Benchtop Chassis and TLA 7XM Expansion Chassis Service Manual...

Страница 14: ...connected to earth ground Before making connections to the input or output terminals of the product ensure that the product is properly grounded Observe All Terminal Ratings To avoid fire or shock ha...

Страница 15: ...ife CAUTION Caution statements identify conditions or practices that could result in damage to this product or other property Terms on the Product These terms may appear on the product DANGER indicate...

Страница 16: ...the CRT CRTs retain hazardous voltages for long periods of time after power is turned off Before attempting any servicing discharge the CRT by shorting the anode to chassis ground When discharging the...

Страница 17: ...Service Safety Summary xii TLA 720 Benchtop Chassis and TLA 7XM Expansion Chassis Service Manual...

Страница 18: ...ventions This manual uses certain conventions and terminology that you should become familiar with before attempting service A benchtop chassis is a benchtop mainframe without a benchtop controller in...

Страница 19: ...ica 1 800 TEK WIDE 1 800 835 9433 ext 2400 6 00 a m 5 00 p m Pacific time Or contact us by e mail tm_app_supp tek com For product support outside of North America contact your local Tektronix distribu...

Страница 20: ...is manual for servicing be sure to follow all warnings cautions and notes Adjustment Interval There are no adjustments or certifiable parameters for the benchtop chassis or expansion chassis Strategy...

Страница 21: ...ored to fit your requirements for calibration and or repair of the benchtop chassis or expansion chassis Service Options Tektronix Service Options can be selected at the time you purchase your instrum...

Страница 22: ...Specifications...

Страница 23: ......

Страница 24: ...es both exclusively digital applications using the logic analyzer module and exclusively analog applications using the DSO module as well as combinations of both digital and analog The benchtop chassi...

Страница 25: ...nsion Chassis Service Manual The benchtop chassis has an autoconfigurable solid state backplane that uses electronic jumpering of the IACK and BUS GRANT signal lines Full differential distribution of...

Страница 26: ...440 Hertz continuous range CAT II Maximum Power Consumption 1450 W line power The maximum power consumed by a fully loaded 13 slot instrument Fuse Rating Current and voltage ratings and type of fuse...

Страница 27: ...ble 1 3 Cooling Characteristic Description Cooling System Positive pressurization forced air circulation system utilizing a single low noise squirrel cage centripetal blower configuration with no remo...

Страница 28: ...1000 4 5 Power Line Surge Immunity Performance Criterion B IEC 1000 4 6 Conducted RF Immunity Performance Criterion A IEC 1000 4 11 Power Line Dips and Interruptions Immunity Performance Criterion B E...

Страница 29: ...de and 1 single wide 48 5 lbs 22 1 kg Typical configuration same as as minimum above with the addition of two TLA 7x4 LA s and one TLA 7x2 DSO at 5 lbs 10 oz each and removal of 3 slot filler panels 6...

Страница 30: ...s Specifications TLA 720 Benchtop Chassis and TLA 7XM Expansion Chassis Service Manual 1 7 13 65 in 35 00 cm 16 7 in 42 55 cm 26 5 in 69 99 cm 13 25 in 33 6 cm Figure 1 1 Front and side view of the be...

Страница 31: ...Benchtop Chassis Specifications 1 8 TLA 720 Benchtop Chassis and TLA 7XM Expansion Chassis Service Manual...

Страница 32: ...both exclusively digital applications using the logic analyzer module and exclusively analog applications using the DSO module as well as combinations of both digital and analog The expansion chassis...

Страница 33: ...r source Characteristic Description Source Voltage 90 250 VRMS 45 66 Hertz continuous range CAT II 100 132 VRMS 360 440 Hertz continuous range CAT II Maximum Power Consumption 1450 W line power The ma...

Страница 34: ...witch selects between full speed and variable speed Slot exhaust temperature and ambient air temperature are monitored so that a constant delta temperature is maintained across the module with the hig...

Страница 35: ...ontaminates that could occur in the environment around and within a product Typically the internal environment inside a product is considered to be the same as the external Products should be used onl...

Страница 36: ...9 in 480 1 mm Depth 28 9 in 746 7 mm min to 33 9 in 873 8 mm max Weight Minimum mainframe configuration with expansion module and slot filler panels installed 48 5 lbs 22 1 kg Typical configuration sa...

Страница 37: ...s Specifications 1 14 TLA 720 Benchtop Chassis and TLA 7XM Expansion Chassis Service Manual 13 65 in 35 00 cm 16 7 in 42 55 cm 26 5 in 69 99 cm 13 25 in 33 6 cm Figure 1 2 Front and side view of the e...

Страница 38: ...Operating Information...

Страница 39: ......

Страница 40: ...formation refer to the TLA 700 Series Logic Analyzer User Manual and in the online help Figure 2 1 shows the front view of the benchtop chassis with a benchtop controller installed Figure 2 3 shows th...

Страница 41: ...top Chassis and TLA 7XM Expansion Chassis Service Manual Figure 2 2 Front view of the expansion chassis with out expansion module Fuse AC Power 25 Pin PASSIVE MONITOR connector Fan speed switch Figure...

Страница 42: ...enchtop chassis The AC power connector is located on the rear bottom left side of the benchtop chassis The AC fuse holder is located just above the power connector The chassis ground screw can be used...

Страница 43: ...message Once all error messages have been retrieved the READY indicator stops flashing and remains on The amber ACCESSED indicator lights when the MODID line is accessed by the slot 0 device Refer to...

Страница 44: ...ical Code For card cage loads in the nonshaded region of Figure 2 5 use the power cord with the 15 A plug Tektronix part number 161 0213 XX or the power cord with the 20 A plug Tektronix part number 1...

Страница 45: ...Operating Information 2 6 TLA 720 Benchtop Chassis and TLA 7XM Expansion Chassis Service Manual...

Страница 46: ...akes up the remainder of this chapter Passive Monitor Connector The 25 pin Sub D connector lets you monitor the power supply voltages fan speed and the maximum slot temperature rise within the mainfra...

Страница 47: ...Reference 2 8 TLA 720 Benchtop Chassis and TLA 7XM Expansion Chassis Service Manual Pin 1 Pin 25 Figure 2 6 Passive monitor connector...

Страница 48: ...an external battery Maximum of 1 A total pins 8 and 21 combined 2 9 GND Logic Ground 10 SYSRESET Backplane SYSRESET signal input or output If you use this pin do not violate VXIbus electrical specific...

Страница 49: ...n to off or vice versa The state changes on the falling edge of the signal Hold the signal low for at least 500 ms before releasing Attach only a momentary switch or an open collector device to drive...

Страница 50: ...2 11 Enhanced Monitor RS 232 Connector The Enhanced Monitor includes a 9 pin RS 232 connector that allows connec tion to a RS 232 host Figure 2 7 shows the pinouts of the 9 pin RS 232 connector Table...

Страница 51: ...n 2 Receive Data RxD 3 Transmit Data TxD 4 Data Terminal Ready DTR 5 Signal Ground GND 6 No Connection 7 Request to Send RTS 8 Clear to Send CTS 9 No Connection Backplane Connectors Table 2 3 shows th...

Страница 52: ...BG1OUT D14 8 D07 BG2IN D15 9 GND BG2OUT GND 10 SYSCLK BG3IN SYSFAIL 11 GND BG3OUT BERR 12 DS1 BR0 SYSRESET 13 DS0 BR1 LWORD 14 WRITE BR2 AM5 15 GND BR3 A23 16 DTACK AM0 A22 17 GND AM1 A21 18 AS AM2 A2...

Страница 53: ...2 A28 LBUSC02 9 LBUSA03 A29 LBUSC03 10 GND A30 GND 11 LBUSA04 A31 LBUSC04 12 LBUSA05 GND LBUSC05 13 5 2 V 5 V 2 V 14 LBUSA06 D16 LBUSC06 15 LBUSA07 D17 LBUSC07 16 GND D18 GND 17 LBUSA08 D19 LBUSC08 18...

Страница 54: ...28 LBUSC02 9 MODID09 A29 LBUSC03 10 GND A30 GND 11 MODID08 A31 LBUSC04 12 MODID07 GND LBUSC05 13 5 2 V 5 V 2 V 14 MODID06 D16 LBUSC06 15 MODID05 D17 LBUSC07 16 GND D18 GND 17 MODID04 D19 LBUSC08 18 MO...

Страница 55: ...Exhaust temperature readout for each slot H Fan speed readout H User selectable maximum temperature rise Use defined messages with the DISPlay TEXT command Table 2 6 Messages Category Message Power S...

Страница 56: ...FAIL S8 XX C FAIL S9 XX C FAIL S10 XX C FAIL S11 XX C FAIL S12 XX C FAIL Ambient XX C FAIL Fan1 XXXXRPM FAIL Fan2 XXXXRPM VX1410A only Power Supply Voltage Messages 24 Volts XX XXV 12 Volts XX XXV 5...

Страница 57: ...C S8 S9 XX XX C S10 S11 XX XX C S12 XX C Fan Status Messages Fan 1 RPM XXXX Fan 2 RPM XXXX VX1410A only Miscellaneous Messages Time On HHHHHH MM Hr of Oper HHHHHH Date and Time Message Year Mon XX XX...

Страница 58: ...he same functions of various programmable instruments The standard simplifies the task of programming a group of instruments that use SCPI Instead of having to learn different commands for every instr...

Страница 59: ...EVENt ENABle Lower level nodes Root node QUEStionable ENABle Leaf nodes Figure 2 8 Tree hierarchy The header path and leaf node together form the command header Figure 2 9 shows the command header fo...

Страница 60: ...ngth of the following block data xxx Nondecimal numeric Integers in hexadecimal H octal Q or binary B format command parameter H00FF B010101 Q0753 NR1 Integers response parameter 0 1 15 NR2 Decimal nu...

Страница 61: ...g message terminators H LF END Linefeed code hexadecimal 0A with the END bit in the Byte Available command asserted H LF Linefeed code H dab END Last data byte with the END bit in the Byte Available c...

Страница 62: ...m and a short form The listing for each command in this section shows the abbreviations in upper case For example you can enter the query SYSTem ERRor simply as SYST ERR or syst err The brackets aroun...

Страница 63: ...the path and state only the new leaf node This makes it possible for example to shorten the concatenated query SYSTem TIME LMAintenance SYSTem TIME ON into SYSTem TIME LMAintenance ON The 488 2 commo...

Страница 64: ...ince power on CONDition Returns the contents of the Current Condition register LEVel Returns current level LIMit Sets or queries the maximum current usage allowed before generating an alarm MAXimum Re...

Страница 65: ...rns the contents of the Voltage Event register as a decimal number CONDition Returns the contents of the Voltage Condition register ENABle Sets or queries the contents of the Voltage Enable register L...

Страница 66: ...S 232 port BITS Sets or queries the number of bits per character in the RS 232 port CONTrol RTS Sets or queries the operation of the RTS and CTS lines ECHO Sets or queries whether incoming characters...

Страница 67: ...t queue ALL Presets the Error Event queue enable to 1999 1000 FACTory Sets the mainframe settings to the factory default values HELP SYNTax Returns the syntax of the specified command IEMessage Sends...

Страница 68: ...e SCPI version supported by the mainframe 1 These commands are intend to be used only by qualified service personnel while servicing the instrument Test Commands Commands in the TEST subsystem execute...

Страница 69: ...s Unused bits always return a value of zero The register is cleared by the CLS command There is no command associated with this query STATus QUEStionable BLOWer EVENt Parameter Query response Not appl...

Страница 70: ...Chassis and TLA 7XM Expansion Chassis Service Manual 2 31 Reading the register clears it Query STAT QUES BLOW Response 0 STATus QUEStionable BLOWer CONDition STATus QUEStionable BLOWer ENABle Depende...

Страница 71: ...Definition of the bits in this register can be found under the STATus QUEStionable BLOWer command on page 2 30 Reading this register does not clear it There is no command associated with this query S...

Страница 72: ...t power on the register value will be restored from nonvolatile RAM otherwise the register value at power on is set to H7FFF Executing the STATus PRESet command sets the register value to H7FFF STATus...

Страница 73: ...the VX1420A There is no command associated with this query STATus QUEStionable BLOWer SPEed Blower Blower Query response BLOWer1 BLOWer2 NR1 Not Applicable 224 Illegal Parameter Value You attempted t...

Страница 74: ...bits always return a value of zero Reading the register does not clear it There is no command associated with this query STATus QUEStionable CONDition Parameter Query response Not Applicable NR1 Not...

Страница 75: ...f zero The register is also cleared by the CLS command There is no command associated with this query STATus QUEStionable CURRent EVENt Event Query response Not applicable NR1 Current status word bits...

Страница 76: ...oups TLA 720 Benchtop Chassis and TLA 7XM Expansion Chassis Service Manual 2 37 Query STAT QUES CURR Response 0 STATus QUEStionable CURRent CONDition STATus QUEStionable CURRent ENABle Examples Relate...

Страница 77: ...s There is no command associated with this query STATus QUEStionable CURRent CMAXimum power supply Power supply Query response P24 P12 P5 N2 N5PT2 N12 N24 NR2 Not Applicable 224 Illegal Parameter Valu...

Страница 78: ...urn a value of zero Definition of the bits in this register can be found in STATus QUEStionable CURRent command Reading the register does not clear it There is no command associated with this query ST...

Страница 79: ...therwise the register value at power on is set to H7FFF Executing the STATus PRESet command sets the register value to H7FFF STATus QUEStionable CURRent ENABle Mask STATus QUEStionable CURRent ENABle...

Страница 80: ...ply Power supply Query response P24 P12 P5 N2 N5PT2 N12 N24 NR2 Code Power supply P24 24V P12 12V P5 5V N2 2V N5PT2 5 2V N12 12V N24 24V Not Applicable 224 Illegal Parameter Value You attempted to use...

Страница 81: ...2 N24 NR2 Limit NRf MIN all supplies MAX each supply P24 P12 P5 N2 N5PT2 N12 N24 0 0 13 0 13 0 95 0 30 0 60 0 13 0 13 0 Not Applicable 224 Illegal Parameter Value You attempted to set the location to...

Страница 82: ...is in amperes There is no command associated with this query STATus QUEStionable CURRent MAXimum power supply Power supply Query response Amperes P24 P12 P5 N2 N5PT2 N12 N24 NR2 Not Applicable 224 Il...

Страница 83: ...s also cleared by the CLS command There is no command associated with this query STATus QUEStionable POWer EVENt Event Query response Not applicable NR1 Current status word bits Definition D0 Not Used...

Страница 84: ...Groups TLA 720 Benchtop Chassis and TLA 7XM Expansion Chassis Service Manual 2 45 Query STAT QUES POW Response 0 STATus QUEStionable POWer CONDition STATus QUEStionable POWer ENABle Examples Related C...

Страница 85: ...mainframe since power on the returned value is in watts There is no command associated with this query STATus QUEStionable POWer CMAXimum Power supply Query response Not Applicable NR2 Not Applicable...

Страница 86: ...value of zero Definition of the bits in this register can be found in STATus QUEStion able POWer command Reading the register does not clear it There is no command associated with this query STATus QU...

Страница 87: ...AM otherwise the register value at power on is set to H7FFF Executing the STATus PRESet command sets the register value to H7FFF STATus QUEStionable POWer ENABle Mask STATus QUEStionable POWer ENABle...

Страница 88: ...ere is no command associated with this query STATus QUEStionable POWer LEVel Power Supply Query response Not Applicable NR2 Not Applicable None None Query STAT QUES POW LEV Response 812 3 STATus QUESt...

Страница 89: ...STATus QUEStionable POWer LIMit Limit Query response NRf MIN MAX NR2 0 0 VX1410A 925 0 VX1420A 1000 0 Not Applicable 222 Data Out of Range You attempted to set the power limit to an illegal value Non...

Страница 90: ...he last factory maintenance was performed the returned value is in watts There is no command associated with this query STATus QUEStionable POWer MAXimum Power supply Query response Not Applicable NR2...

Страница 91: ...ry STATus QUEStionable TEMPerature EVENt Parameter Query response Not applicable NR1 Blower status word bits Definition D0 Slot 0 Delta Temperature D1 Slot 1 Delta Temperature D2 Slot 2 Delta Temperat...

Страница 92: ...sis and TLA 7XM Expansion Chassis Service Manual 2 53 Reading the register clears it Query STAT QUES TEMP Response 1 STATus QUEStionable TEMPerature CONDition STATus QUEStionable TEMPerature ENABle De...

Страница 93: ...m Location Location Query response AMBient OUT0 OUT12 DELTa0 DELTa12 AMBient ambient input temperature OUT0 OUT12 output temperature of each slot DELTa0 DELTa12 output temperature minus input temperat...

Страница 94: ...the STATus QUEStionable TEMPerature command on page 2 52 If the fan speed is already set to the maximum speed and the delta temperature is above the limit for 30 seconds a failure will be reported Re...

Страница 95: ...wise the register value at power on is set to H7FFF Executing the STATus PRESet command sets the register value to H7FFF STATus QUEStionable TEMPerature ENABle Mask STATus QUEStionable TEMPerature ENA...

Страница 96: ...AMBient OUT0 OUT12 DELTa0 DELTa12 AMBient ambient input temperature OUT0 OUT12 output temperature of each slot DELTa0 DELTa12 output temperature minus input temperature of each slot NR1 Not Applicable...

Страница 97: ...ent input temperature DELTa0 DELTa12 output temperature minus input temperature of each slot NR1 Limit NRf If Location is AMBient 1 Limit 75 MIN MAX If Location is DELTan 5 Limit 30 MIN MAX 1 75 5 30...

Страница 98: ...erature MAXimum Location Location Query response AMBient OUT0 OUT12 DELTa0 DELTa12 AMBient ambient input temperature OUT0 OUT12 output temperature of each slot DELTa0 DELTa12 output temperature minus...

Страница 99: ...always return a value of zero The register is cleared by the CLS command There is no command associated with this query STATus QUEStionable VOLTage EVENt Parameter Query response Not applicable NR1 Vo...

Страница 100: ...Chassis and TLA 7XM Expansion Chassis Service Manual 2 61 Reading the register clears it Query STAT QUES VOLT Response 0 STATus QUEStionable VOLTage CONDition STATus QUEStionable VOLTage ENABle Depend...

Страница 101: ...of zero The definition of the bits in this register can be found in STATus QUEStionable VOLTage command on page 2 60 Reading the register does not clear it There is no command associated with this que...

Страница 102: ...therwise the register value at power on is set to H7FFF Executing the STATus PRESet command sets the register value to H7FFF STATus QUEStionable VOLTage ENABle Mask STATus QUEStionable VOLTage ENABle...

Страница 103: ...e P24 P12 P5 P5STBY P5EXT N2 N5PT2 N12 N24 NR2 Code Power supply P24 24 V P12 12 V P5 5 V P5STBY 5 V Standby P5EXT 5 V External N2 2 V N5PT2 5 2 V N12 12 V N24 24 V Not Applicable 224 Illegal Paramete...

Страница 104: ...or to the event system Bits 0 2 and bits 5 8 of the transition filter are always enabled Bit 15 always returns a 0 The factory default setting is 32743 The 5 V Standby and 5 V External are not monitor...

Страница 105: ...Command Groups 2 66 TLA 720 Benchtop Chassis and TLA 7XM Expansion Chassis Service Manual...

Страница 106: ...hierarchy Table 2 11 lists all of the internal self tests of the mainframe Table 2 11 Mainframe self test Test number Test name Execution time seconds Power on test Included in TEST Invoked by TEST N...

Страница 107: ...ue of zero is returned if there are no failures The command form executes the same tests but returns no results code Each internal self test has a unique numeric identifier in the range of 1000 to 199...

Страница 108: ...turned if there are no failures Each internal self test has a unique numeric identifier in the range of 1000 to 1999 see Table 2 11 on page 2 67 TEST NUMBer test TEST NUMBer test Parameter Query respo...

Страница 109: ...rted A value of zero is returned if there were no failures There is no associated command for this query Each internal self test has a unique numeric identifier in the range of 1000 to 1999 see Table...

Страница 110: ...ual test that failed is reported A value of zero is returned if there were no failures There is no associated command for this query TEST RESults VERBose Parameter Query response Not Applicable string...

Страница 111: ...TEST Subsystem 2 72 TLA 720 Benchtop Chassis and TLA 7XM Expansion Chassis Service Manual...

Страница 112: ...ent registers and the Error Event Queue ESE Sets or queries standard Event Status Enable register ESR Returns the contents of the Standard Event Status Register IDN Returns the identification message...

Страница 113: ...and IEEE 488 2 event registers and the Error Event queue There is no query associated with this command SCPI and IEEE 488 2 enable registers are not cleared by this command CLS None Not Applicable No...

Страница 114: ...k ESE Parameter Query response NRf Non Decimal Numeric 0 N HFF NR1 Standard status byte definition Query response D0 D1 D2 D3 D4 D5 D6 D7 Operation Complete Not Used Query Error Device Dependent Error...

Страница 115: ...ue contains a chronological record of the events ESR Parameter Query response Not Applicable NR1 Standard status byte definition Query response D0 D1 D2 D3 D4 D5 D6 D7 Operation Complete Not Used Quer...

Страница 116: ...ourth field of the id message includes both the SCPI and firmware version numbers IDN Parameter Query response Not Applicable Syntax Defined by IEEE 488 2 Manufacturer Model Number Serial Number Firmw...

Страница 117: ...device to set the OPC bit in the Standard Event Status register after the previous command has completed execution The query causes an ASCII one to be placed in the output queue after the previous co...

Страница 118: ...ce Request Enable Register the Standard Event Status Enable Register and the SCPI Enable Register settings will be restored to their previous settings Otherwise the settings will be cleared The factor...

Страница 119: ...to a default state There is no query associated with this command This command has no effect other than stopping the VXI Monitor The VXI Monitor stops execution while other monitors remain active RST...

Страница 120: ...NonDecimal Numeric masks even though this is not required by IEEE 488 2 The factory default setting is 0 SRE mask SRE Mask Query response NRf Non Decimal Numeric 0 N HFF NR1 Standard status byte defi...

Страница 121: ...ith this query STB Parameter Query response Not Applicable NR1 Standard status byte definition Definition D0 D1 D2 D3 D4 D5 D6 D7 Not Used Not Used Error Event Queue Questionable Event Register MAV ES...

Страница 122: ...f zero is returned if there were no failures Each internal self test has a unique identifier in the range of 1000 to 1999 TST and TEST are identical queries There is no command associated with this qu...

Страница 123: ...nize command execution with the controller There is no query associated with this command WAI prevents the instrument from executing further commands until the previous command has completed execution...

Страница 124: ...Theory of Operation...

Страница 125: ......

Страница 126: ...through 12 in the chassis It also has connections to all other circuit boards and modules in the chassis The front panel On Standby DC switch connects to one of two connectors at the top of the backp...

Страница 127: ...n the chassis The connector also provides remote on and off capability and access to the SYSRESET and ACFAIL signals CAUTION Do not connect an RS 232 cable to the 25 pin connector This 25 pin connecto...

Страница 128: ...Maintenance...

Страница 129: ......

Страница 130: ...nternal circuit boards and their components due to electrostatic discharge ESD CAUTION Many components within the chassis are susceptible to static discharge damage Service the chassis only in a stati...

Страница 131: ...ning the individual TLA 700 Series modules Use a dry low velocity stream of air to clean the interior of the chassis Use a soft bristle brush for cleaning around components If you must use a liquid fo...

Страница 132: ...ctions before removing a part CAUTION Before doing this or any other procedure in this manual read the General Safety Summary and Service Safety Summary found at the beginning of this manual To preven...

Страница 133: ...me with your mainframe Refer to Figure 4 1 for information on installing the slot fillers CAUTION To avoid damage caused by heat use only Tektronix front panels otherwise the shutters may activate eff...

Страница 134: ...ive screws including the safety ground refer to Figure 4 2 for the screw locations 2 Remove the cable cover 3 Unplug the blower cable and set the blower assembly aside on a clean working surface 4 To...

Страница 135: ...nhance monitor 8 32 Captive screw cable cover 8 32 Captive screw fanhousing 8 32 Captive screw fan housing 8 32 Captive screw fanhousing 8 32 Captive screw Enhance monitor 8 32 Captive screw fan housi...

Страница 136: ...is and TLA 7XM Expansion Chassis Service Manual 4 7 Blower assembly Power supply Fan cable Cable cover Figure 4 3 Removing the blower assembly Cable tie Blower assembly Blower Screws 2 Screws 4 Screws...

Страница 137: ...Service Manual Removing the Enhanced Monitor Board To remove the enhanced monitor board first remove the cable cover 1 Unscrew the two captive screws that attach the monitor board to the chassis 2 Sl...

Страница 138: ...ower Supply To remove the power supply from the chassis perform Removing the Blower Assembly procedure on page 4 5 Perform the Removing the Enhanced Monitor Board procedure on page 4 8 Remove the powe...

Страница 139: ...g steps 1 Remove the 12 hex drive screws 6 on the left side 6 on the right side using a 3 32 Allen wrench 2 Remove the 10 screws 4 on the top front 4 on the top rear and two screws on the front using...

Страница 140: ...moving both guides is identical Refer to Figure 4 8 while using a small flat blade screwdriver to pry up the tab of the card guide at the front of the chassis being careful not to damage the card guid...

Страница 141: ...is Service Manual Slide the card guides toward the rear of the mainframe allow the front of the card guide to snap into place Gently pull the card guide forward until it pops out of place Installing c...

Страница 142: ...4 9 to remove these nut rails 1 Loosen all module retaining screws it may be necessary to slide the modules partially out of the chassis and remove the top cover to the chassis 2 Slide the top cover...

Страница 143: ...the chassis cover Disconnect the ribbon cable from the temperature sense board Refer to Figure 4 10 and gently pry back on each retainer holding the tempera ture sense board in place Lift the board ou...

Страница 144: ...modules surrounding the slots where you intend to remove the Backplane EMI DIN shields Refer to Figure 4 11 2 Remove two 4 40 Torxdrive T 10 screws that secure each EMI DIN shield to the backplane 3...

Страница 145: ...ne NOTE If the front panel switch is connected to the backplane at J22 the switch controls the power on functions If the switch is connected to J23 the front panel switch is disabled however the light...

Страница 146: ...and Installation Procedures TLA 720 Benchtop Chassis and TLA 7XM Expansion Chassis Service Manual 4 17 6 32 Screws 17 Connector 0J4 J22 J23 J29 J24 Power switch connector Figure 4 12 Removing the bac...

Страница 147: ...o pins 5 and 18 return side of the 25 pin connector the remote switch and the front panel On Standby switch control the power on functions of the chassis You can also disable the front panel switch an...

Страница 148: ...Removal and Installation Procedures TLA 720 Benchtop Chassis and TLA 7XM Expansion Chassis Service Manual 4 19 Power switch connector Backplane J22 J23 Figure 4 13 Power switch connectors...

Страница 149: ...Removal and Installation Procedures 4 20 TLA 720 Benchtop Chassis and TLA 7XM Expansion Chassis Service Manual...

Страница 150: ...on the backplane at position JP1 For the benchtop chassis there is no jumper installed For the expansion chassis a jumper is installed at JP1 See Table 4 1 The backplane jumper is located on the back...

Страница 151: ...Jumper Settings 4 22 TLA 720 Benchtop Chassis and TLA 7XM Expansion Chassis Service Manual JP1 JP2 1 2 3 4 5 Figure 4 14 Soft power down jumper setting...

Страница 152: ...umpers You can also select the source of the 5 V Standby voltage If you source the 5 V Standby voltage from the 5 V external supply monitor backup power supply connector then the external supply will...

Страница 153: ...nced monitor board jumpers Jumpers location Pins Label on board J2 top of board 1 2 and 3 4 TLA 720 J38 middle of board 2 3 Blower J19 bottom of board 2 3 Blower Enhanced Monitor Board Flash Jumper In...

Страница 154: ...the switches on the rear panel Figure 4 17 shows the locations of the logical address switches on the rear of the enhanced monitor panel If all modules in the mainframe are set to FF the resource man...

Страница 155: ...Jumper Settings 4 26 TLA 720 Benchtop Chassis and TLA 7XM Expansion Chassis Service Manual...

Страница 156: ...Follow Check for Common Problems on page 4 28 H Follow Troubleshoot the Benchtop Chassis beginning on page 4 29 If you replace a faulty part you must follow any verification procedures identified in...

Страница 157: ...e H Monitor power supply failure contact local Tektronix service center Monitor display is blank H Adjust monitor controls for brightness and contrast H VGA cable connection faulty check or substitute...

Страница 158: ...Tektronix TDS400A or TDS500A series oscilloscope The fault isolation procedure requires that you H Verify if the front panel Standby On button lights up H Verify if the blower operates H Measure volt...

Страница 159: ...Where Documented Incoming test When you initially receive the unit and open the packing box Verifies unit is not dead on arrival TLA 700 Series Performance Verification and Adjustment Technical Refer...

Страница 160: ...Fan control board blower cable or blower No No Yes Power off mainframe Mainframe OK Check for failure at power supply backplane board blown fuse or bad board No Yes Power cord connected to mainframe...

Страница 161: ...c property sheet TLA 700 ready Fail Terminate and display error code Pass MS Windows 98 boot Start resource manager System controller tests Module n kernel test Pass Fail Figure 4 20 TLA 700 startup s...

Страница 162: ...e with an known good module or moving the module to a different slot H Check the fuses in the chassis Inadequate Cooling If there is a cooling problem perform the following checks H The blower may not...

Страница 163: ...Hardware Troubleshooting 4 34 TLA 720 Benchtop Chassis and TLA 7XM Expansion Chassis Service Manual...

Страница 164: ...ded diagnostics to isolate problems to an individual module Before running the extended diagnostics disconnect any attached probes TLA 700 Mainframe Diagnostics The TLA Mainframe diagnostics program i...

Страница 165: ...the on screen instructions Refer to Upgrading Software for instructions on reinstalling or upgrading software Refer to Table 2 11 on page 2 67 for a list of software and hardware trouble shooting inf...

Страница 166: ...e mainframe receives power when you press the On Standby switch Check that fans start and that front panel indicators light Check that power is available at the power source Check for failed fuses Mai...

Страница 167: ...e boots from the hard disk drive Check for faulty module Remove modules one at a time and power on the mainframe If mainframe completes the power on sequence replace faulty module Possible software fa...

Страница 168: ...lue expansion cables and the gray expansion cable Examine the connectors on the cables for bent or broken pins Examine the connectors on the expansion mainframe Reconnect the two blue expansion cables...

Страница 169: ...on its own Power off the benchtop mainframe Power on the benchtop mainframe the expansion mainframe will power up normally TLA 700 Startup Sequence The following information is intended to provide tro...

Страница 170: ...Pass Fail Module 1 kernel test Pass Fail Module 2 kernel test Pass Fail Module 3 kernel test Pass Fail Verify kernel self test status Inhibit failed modules Log failures and build configuration Start...

Страница 171: ...module works in the new location you have identified a faulty slot in the mainframe H Check for bent or broken pins on the backplane of the mainframe You can execute the internal resource manager prog...

Страница 172: ...08 48 49 Auto Exit Off Identify Static Configure Devices Found a device at LA 1 Found a device at LA 2 Identify Dynamic Configure Devices Matching Devices to Slots match la 1 to slot 1 match la 2 to s...

Страница 173: ...receive this signal the expansion mainframe will not be prompted to power on If the power on signal is received by the expansion mainframe the fan will start and the lamp on the mainframe will light F...

Страница 174: ...ve a known good expansion module perform the following procedure to make sure the expansion mainframe is not the source of the failure H Remove all plug in modules from the expansion mainframe except...

Страница 175: ...Mainframe Troubleshooting 4 46 TLA 720 Benchtop Chassis and TLA 7XM Expansion Chassis Service Manual...

Страница 176: ...on with an industrial stapler or strapping tape Shipping to the Service Center Contact the Service Center to get an RMA return material authorization number and any return or shipping information you...

Страница 177: ...Repackaging Instructions 4 48 TLA 720 Benchtop Chassis and TLA 7XM Expansion Chassis Service Manual...

Страница 178: ...Options...

Страница 179: ......

Страница 180: ...tallation service1 Option IF Provides installation of product upgrades performed at a Tektronix Service Center Three years of calibration services Option C3 Provides factory calibration certification...

Страница 181: ...cord Delete standard power cord A4 North American power cord 240 V 60 Hz 15A power cord Delete standard power cord A5 Switzerland power cord 220 V 50 Hz 10A power cord Delete standard power cord 1S Su...

Страница 182: ...Diagrams...

Страница 183: ......

Страница 184: ...enchtop Chassis Module Slot 2 Module Slot 3 Module Slot 12 Power Supply Enhanced Monitor Blower Benchtop Controller Slots 0 2 Fixed hard disk drive Removeable hard disk drive PCI to Backplane Bridge A...

Страница 185: ...Power RS232 Passive Monitor Fan Speed Switch 0J4 0P3 0J1 0J2 J23 J22 5 5 J25 J27 J24 0P2 0P1 1P1 2P1 3P1 4P1 5P1 6P1 7P1 8P1 9P1 10P1 11P1 12P1 1P2 2P2 3P2 4P2 5P2 6P2 7P2 8P2 9P2 10P2 11P2 12P2 J16 S...

Страница 186: ...Replaceable Mechanical Parts...

Страница 187: ......

Страница 188: ...th the benchtop mainframe Table 7 1 Standard accessories Accessory Part number Windows keyboard PS2 mini DIN 119 5662 00 Mouse 3 button PS2 mini DIN 119 5662 02 Dual wide slot fillers 333 4206 00 SMB...

Страница 189: ...eled 016 1522 00 TLA 720 Benchtop Controller Module Service Manual 071 0269 XX TLA 7Nx and TLA 7Px Logic Analyzer Module Service Manual 071 0266 XX TLA 7D1 7D2 7E1 7E2 Oscilloscope Module Service Manu...

Страница 190: ...ll provide you with the most current part for your product type serial number and modification if applicable At the time of your order Tektronix will determine the part number revision level needed fo...

Страница 191: ...Standard ANSI Y1 1 1972 The table titled Manufacturers cross index shows codes names and addresses of manufacturers or vendors of components listed in the parts list Manufacturers cross index Mfr code...

Страница 192: ...OX 547 FRANKLIN IN 46131 61935 SCHURTER INC 1016 CLEGG CT PO BOX 750158 PETALUMA CA 94975 0158 68579 PERMATRON CORP 11400 MELROSE ST FRANKLIN PARK IL 60131 71400 BUSSMANN DIVISION COOPER INDUSTRIES IN...

Страница 193: ...EG STL BLK OXIDE T7 0KB01 211 1093 00 3 200 4547 00 1 COVER MAINFRAME AL TLA720 TK1943 200 4547 00 4 441 2191 00 1 CHASSIS ASSY MAIN AL TLA720 TK1943 441 2191 00 5 348 1542 00 4 FOOT CABINET BLACK RUB...

Страница 194: ...Replaceable Parts TLA 720 Benchtop Chassis and TLA 7XM Expansion Chassis Service Manual 7 7 1 2 4 5 6 3 Figure 7 1 Cabinet and chassis assembly...

Страница 195: ...0 500 PNH STL CDPL T 15 TORX DR 0KB01 ORDER BY DESCRIPTION 7 118 9417 00 1 BACKPLANE VXI BACKPLANE VXI COMPATIBLE WITH 13 C SIZE SLOTS ELECTRONIC AUTOMATIC 80009 118 9417 00 8 020 2194 00 1 COMPONENT...

Страница 196: ...ADJUSTMENT 80009 070 9776 00 071 0269 XX 1 MANUAL TECH SERVICE TLA 720 BENCHTOP CONTROLLER 80009 071 0269 00 071 0268 XX 1 MANUAL TECH SERVICE TLA 720 BENCH TOP CHASSIS 80009 071 0268 XX 071 0267 XX 1...

Страница 197: ...Replaceable Parts 7 10 TLA 720 Benchtop Chassis and TLA 7XM Expansion Chassis Service Manual 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Figure 7 2 Circuit boards and chassis parts...

Страница 198: ...Replaceable Parts TLA 720 Benchtop Chassis and TLA 7XM Expansion Chassis Service Manual 7 11...

Страница 199: ...SS STEEL BLACK OXIDE FINISH 0 093 DRIV 0KB01 212 0193 00 9 211 0512 00 6 SCREW MACHINE 6 32 X 0 5 FLH 100 DEG STL POZ 73893 ORDER BY DESCRIPTION 10 119 5199 00 1 FAN DC BLOWER 48V DUAL INLET 450 CFM 1...

Страница 200: ...Replaceable Parts TLA 720 Benchtop Chassis and TLA 7XM Expansion Chassis Service Manual 7 13 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Figure 7 3 Power supply monitor and fan assembly...

Страница 201: ...UM BLK 80009 950099100 2 212 0157 00 14 SCREW MACHINE 8 32 X 0 5 FLH 100 DEG STL CDPL T 15 0KB01 ORDER BY DESC 3 407 4524 00 1 BRACKET LEFT RACKMOUNT SILVER GRAY TK1943 407 4524 00 4 212 0671 00 4 SCR...

Страница 202: ...Replaceable Parts TLA 720 Benchtop Chassis and TLA 7XM Expansion Chassis Service Manual 7 15 1 2 3 4 7 6 5 6 7 8 Figure 7 4 Rackmount assembly...

Страница 203: ...Replaceable Parts 7 16 TLA 720 Benchtop Chassis and TLA 7XM Expansion Chassis Service Manual...

Страница 204: ...Index...

Страница 205: ......

Страница 206: ...SCPI 2 19 Configuration EMI 4 15 Connector backplane 2 12 2 15 enhanced monitor 2 11 enhanced monitor pinout 2 12 passive monitor 2 7 2 8 passive monitor pinout 2 9 remote power switch location 4 19...

Страница 207: ...E status byte 2 81 STB standard byte definition 2 82 status byte 2 75 2 76 Inrush surge current specification benchtop chassis 1 3 expansion chassis 1 10 Inspection and cleaning 4 2 exterior cleaning...

Страница 208: ...20 Part ordering information 7 2 Parts list abbreviations 7 4 manufacturers cross reference 7 4 part number revision level 7 3 part ordering information 7 2 using 7 3 Passive monitor connector 2 7 lo...

Страница 209: ...f service xvi strategy for xv troubleshoot the benchtop chassis 4 29 warranty repair xvi Service safety summary xi Shipping instructions 4 47 Shutters See card guides Slot panel fillers 4 4 Software d...

Страница 210: ...ionable VOLTage CONDition 2 39 2 47 2 62 STATus QUEStionable VOLTage ENABle 2 40 2 48 2 63 STATus QUEStionable VOLTage LEVel 2 64 STATus QUEStionable VOLTage PTR 2 65 Steady state input current specif...

Страница 211: ...Index Index 6 TLA 720 Benchtop Chassis and TLA 7XM Expansion Chassis Service Manual...

Страница 212: ......

Страница 213: ......

Страница 214: ...uipment Have surplus equipment taking up shelf space We ll give it a new home Learn more Visit us at artisantg com for more info on price quotes drivers technical specifications manuals and documentat...

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