Teletype Dataspeed 4500 Series Testing And Troubleshooting Download | Manualshive

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Summary of Contents for Dataspeed 4500 Series

Page 1: ...lacement of parts in field locations 1 04 Refer to Section 582 311 100 for infor mation providing description and opera tion of DATASPEED 4500 series keyboards Section 582 311 400 for wiring and Section 582 311 700 for adjustments disassembly reas sembly and parts information 1 05 The reference manual associated with the DATASPEED 4500 series keyboard is 999 300 140 How to Operate Synchronous DATA...

Page 2: ...82 311 500 2 04 Typical setup for testing a 45K301GAA keyboard is shown below 45K30lGAA KEYBOARD 452015 CABLE ASSEMBLY Note Neither a 45CAB501 cabinet or a 45B301 base is required Fig 2 Page 2 45C340 CONTROLLER ...

Page 3: ... for each KD attempting the test This may cause the sec to miss several poll or select equences and therefore fail to respond to the computer thus causing the computer to stop polling the sec For this reason it is suggested that an interval of at least ten seconds be provided between performing the loopback portion of the test at each KD being tested 2 06 Power up in the following sequence SCC 45C...

Page 4: ...elease b Depress fully Depress CD fully and release c Depress Q briefly Depress LINE and release INSRT d Depress 1J briefly Depress 1J Depress and keys INPUT simultaneously and then release Depress E 9 if not on Depress key 0 Depress each key shown on next page Alarm sounds until keys are released Q flashes Q on steady and then off E 9flashes e gon steady and then off flashes on steady and then of...

Page 5: ...he right B key together Upper portion of depressed keys are displayed with each nonalpha key ie etc on the keyboard portion of the opcon lil2131l15 71819Iol l 6 1 1 I I I I LIlliE 1 o Key repeats when depressed 1 1 1 1 1 EIIASt I PUT with additional force 1 E II ItEPl Depress the leftB key together Character on the upper portion of depressed key is displayed with one of the keys depressed in Step ...

Page 6: ...press E r Local Indicator goes out Depress E E and GJ LOCAL lights Repeated Qs displayed Depress Ej off 0 Ej on and on E j off If there is a printer in system Then and off E and if available PRINT on LOCAL If there is no printer or is unavailable flashes until Ej depressed Turn keylock to off if present E jOff Depress T and U simultaneously ill lamp does not light Warning Do not depress any key wh...

Page 7: ... O Note Attempts to move cursor off display will result as shown below r I HOME POSITION II J it r n u Home cursor and type alpha characters A 0 through J Place cursor over the character ABCDEFGHIJD r l ABCD E FGHIJ E and depress key momentarily then ABCDDFGHIJ depress it fully releasing it after characters ABCDO I EFGHIJ stop moving 1 r 4 Depress 13 key momentarily then depress it fully 5 Depress...

Page 8: ...ve cursor away from home position Nulls are written Displayed as Spaces from cursor and depress B key to end of display and cursor returns to home posi tion unformatted display Cursor advance to next current unprotected field on the display and replaces remainder of field from cursor location with nulls formatted display 10 Home cursor and type alpha characters ABCDEFGHIJ when New Line depressed A...

Page 9: ...d with a magnetic not off line operation Use in on line stripe reader MSR operation is system dependant Depress ERASE INPUT and UNDERLINE keys together with TST indicator lights and remains on additional force Insert 406303 test card into CAPS LOCK indicator flashes repeatedly reader smoothly Remove test card CAPS LOCK indicat orstops flashing End test by depressing ERASE LOCAL indicator lights TS...

Page 10: ...e repaired in the box of the replacement unit Tag the unit listing the found trouble TABLED TROUBLESHOOTING PROCEDURES FOR KEYBOARDS r __AN ___ A_L_y_SI_S_Q_U_E_S_T_IO_N_ __ ____ y_E_ _I i f E___ I 1 Is LOCAL lamp on Depress LOCAL key 2 Can characters be entered from keyboard and dis played correctly on the screen 3 Do uc U BG and space bar keys repeat when lightly depressed Not fully depressed on...

Page 11: ...en released slightly Spacebar must return to its Check spacebar mechanism unoperated position fully and replace any parts when depressed and necessary or entire keyboard released slowly Do any keys fail to gener Check for short between Go to 9 ate characters to the keyswitch terminals screen Replace keyswitch or key board Replace keyboard if any groups of keys fail to operate or more than one char...

Page 12: ...Try Question 2 if yes go Repair grounds properly placed to 14 If no go to 15 13 Does keyboard operate Keyboard ok go to 16 Go to 14 in TEST mode loopback test 14 Do indicators light in Go to 16 Check indicator keyswitch loopback test mode as in Question 7 Check NO responses of Question 12 15 Is 24 V dc present at Replace 341088 indicator Replace keyboard pins 3 and 4 of indicator keyswitch or ill ...

Page 13: ...es TST indicator light 2 Does CAPS LOCK indicator flash with card in place 3 CAPS LOCK stops flashing with card removed YES RESPONSE DIRECTIVE Go to 2 Go to 3 Reader ok NO RESPONSE DIRECTIVE Go to Table D question 11 Replace 406302 magnetic stripe reader assembly Replace keyboard Replace keyboard Page 13 13 Pages ...

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