IBM 3101 Maintenance Information Download Page 60

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Summary of Contents for 3101

Page 1: ...IBM 3101 Displ y Terminal Repair Center Maintenance Information 11 1 0 79 R 3101 1...

Page 2: ...GA 18 2033 0 IBM 3101 DISPLAY TERMINAL CPAR GA 18 2036 rst Edition Oct 1979 The information contained in this document is_ current as of the date of preparation and is subject _ to change b Y IB M at...

Page 3: ...inal _ 3 11 3 3 4 Indication 3 12 CHAPTER 4 REMOVAL AND REPLACEMENT PROCEDURES 4 1 4 1 Logic Element Cover 4 1 4 2 Logic element Logic Board Assembly 4 3 4 3 Logic element Power Supply 4 5 4 4 Keyboar...

Page 4: ...CHAPTER 5 LOCATIONS CHAPTER 6 TOOLS APPENDIX A IBM 3101 PART NUMBERS s 1 6 1 A 1...

Page 5: ......

Page 6: ...ay tube CRT display screen It uses start stop line protocol and communicates with other systems through the EIA RS 232C EIA RS 422 or 20 mA current loop interfaces The display screen can contain up to...

Page 7: ...by character transmission Model 2X Same as Model lX but with the following enhancements Block transmission using the Send keys Format Operation Protect Onprotect Modified Data Tag Field Highlighting...

Page 8: ...Video Element 1 Figure 1 1 Work Station Elements l Dg E m nt l I 1 3...

Page 9: ...a high voltage control circuit and brightness and contrast potentiometers Conventional solid state television technology is used The display screen has the following characteristics A presentation of...

Page 10: ...o select the functions required at setup time or when his requirements change The functions t at can be selected are Block Model 2X only Character Transmission modes Half Full Duplex EIA RS 232C Curre...

Page 11: ...tch on the Logic Element to TEST 3 Turn power on run the off line test refer to OFFLINE TEST PROCEDURE in Chapter 3 Verify the symptom reported by the customer r 1 Symptom r 1 LOGIC OR KEYBOARD or I K...

Page 12: ...Power on light is on and Light 1 is blinking 1 Turu power off T l Action Replace either AC fuse Power assembly Power cord Replace either DC fuse Refer to Figure 5 1 Logic board Power assembly Replace...

Page 13: ...he test 1 can be skipped if online test is done with Series 1 r r 2 The tests 1 3 4 and 5 can be skipped f online est is done with Maintenance Device I IST I Setup switch I Action I Expected I Tested...

Page 14: ...key I LOCK SYSTEM I Test set 2 I Check display I NOT READY I I I I is not displayed ___ I 7 I Setup 2 I I Press charaC j er keyt LOCK SYSTEM I Test set 4 Check display I NOT READY I I I is not display...

Page 15: ...ALT key held down I 8 CD are on I tPress character keyst 3 RD blinks I Current Loop Feature Optional _Test for Model 12 22 only Do the following at port 4 I Setup switch Action I Expected result I Te...

Page 16: ...easure the pins of the power assembly Elements should be connected should be as follows voltage at the output connector Known good Keyboard and Video to the Logic Element Voltage I aeter leads Voltage...

Page 17: ...isplayed pattern Ripple problem of this line will cause the jittering of display If any ripple does not meet the above specif1cation exchange the power assembly Scoping Procedure for Ripple 1 T 9o r r...

Page 18: ...lem Dual intensity function failure Displayc is _out of focus Display is_ out of_ sy nchroniza ti o n Movin g Display is _not stable Size of display area is not correct rang horizontal positi on Extra...

Page 19: ...rtant l7A tO 0000000000000 GI 000000000000 V J 25 23 21 19 17 15 13 11 9 7 5 3 1 0000 0000 00000 0000 0000 0000 ON I I I I I I I I I I I I amms 11 mmmII fffiffiEI __ OFF I I I I l I I I I I I I 0000 0...

Page 20: ...rect Attach EIA and Current Loop or RS 422 Interface II r i 0 r I Modem I f Keyboard and Setup Switch Control Light 2 DSR or Loop Current Detect _ 5 1 12 Vdc I I __J I I Po 5 KBDI I L Current Loop Opt...

Page 21: ...e in Figure 3 3 I 34 0 Note cursor it should be blinking AAAAAAAA sh ould be high intensity i 1QAdjust screen contrast by the knob BBBBBBBB should not be displayed 0Note error condition and return to...

Page 22: ...eys causes lines 03 through 06 to become Setup Switch settings appear on line 10 when the TEST NORMAL switch is set to TEST 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 D WN IHHHfHf...

Page 23: ...t to TEST e Setu p Switch settings appear on line 10 when the TEST NORMAL switch is set to TEST 12345678 12345678 12345678 12345678 O WN IHfffHHfHHHHHffHfHffffHB Displayed Setup XXXXXXXX XXXXXXXX Swit...

Page 24: ...essed and held J 888ffi0ffi 00Bl80000 fB8 0e fB80QJffif 9 BfEtB Shift Lock Key s f l Shift Kev Note 11 C Note 11 Shift Key Space Bar Note 1 ALT Kev Notes 1 The following characters are displayed when...

Page 25: ...xyz I yz I I I I I I I I The number of lines to be displayed can be specified If more than 2 lines are specified the screen scrolls up and the title TEST MODE 1 is replaced by graphic characters If b...

Page 26: ...1 are connected with BIA or C Loop and AOX ports of Series 1 and AUX mode of 3101 is on the transmitted data from Series 1 ar wrapped back and compared automatically After the specified number of line...

Page 27: ...32C I PRTS I I EOT I 2 i I I STOP1 I DUAL I EVEN PARITY I r 2 i I I I I I I I I I I s I I I I I I I I I I I I I I I I I I I I I I I l l ISI l I I I I I I I I I I I I I I I I I I I CL 422 I FDX CHAR AU...

Page 28: ...for C LOOP port are displayed 1 3101 ON LINE TEST STARTED is displayed Test Mode 3 is running on the 3101 Test Mode Selection 1 Press ATTN key is displayed 2 Key in and enter_T3101x m nnnn x E for EIA...

Page 29: ...or is detected e T3101x AUX TIMEOUT ERROR AUX port does not receive da a If AUX port port 3 of 3101 is not connected with AUX port of Series 1 or AUX mode of 3101 is not on this error occurs 3101x AUX...

Page 30: ...from the recessed hole in the base The screw is under the label 4 Return the Logic Element to its normal position 5 Through an opening in the right front ventilator press the plastic tab inward with...

Page 31: ...Figure 4 1 Logic element Cover 4 2...

Page 32: ...emove the screw 0 connecting the Logic board and power supply frame see Figure 4 2 3 Disengage the plastic tabs and Q and raise the Logic board just clear of the tabs 4 Pull the Logic board from the c...

Page 33: ...Assembly c Board 4 2 Logi F gure l 4 4...

Page 34: ...ribed under Logi Element Logic Board Assembly 2 Disconnect the power cord plug CDfrom the power supply se Figure 4 3 3 Disengage the two plastic tabsG the closer tab cannot be see in the drawing pivot...

Page 35: ...6...

Page 36: ...rners of the base 3 Return the Keyboard Element to its normal position and lift tt cover from the base q Reinstall in reverse sequence but first ensure that tt Keyboard s protective plastic cover is n...

Page 37: ...properly align with the connectors on the switch assembly the switch assembly easily fits into place when the pins are aligned 0 0 gggggy9g ggggg9g9 I g9gggg99I g9g9gg9a CID A Figure 4 4 Setup Switch...

Page 38: ...3 Disconnect the clicker cable slide connector and lift the clicker assembly 4 Reinstall in reverse sequence Base Assembly _ Figure_ 5 Clicker Assembly Rem oval 4 9...

Page 39: ...the base and lift the assembly from the base 5 Reinstall in reverse sequence being careful to Keyboard s protective plastic cover before putting Element cover in place 114 Clicker Cable Figure 4 6 Cli...

Page 40: ...4 B 2 KEY MODULE The work flypla te cleared area must be clean Any particle between the key module shown in Figure 4 7 and the printed circuit must be Figure 4 7 Key Module Flyplate_ 4 11...

Page 41: ...it board to the k y assembly see Figure 4 8 2 Lift the circuit board and the b se plat from the key ssembiy and place them on their bases in a clean area 3 Handle the key assembly by its sides Be care...

Page 42: ...Base Plate Keyboard Assembly Figure q a Key Module Removal 4 1...

Page 43: ...3 Car efully wipe_ the_ _pripted_ circuit board with a lint free _cloth PN 2108930 moistened with isopropyl alcohol PN 2200200 Inspect all key module flyplates for any particles and carefully clean i...

Page 44: ...he keybutton in the correct location 7 Reconnect the Keyboard cable connector and clicker cable to the Logic card Reinstall the Keyboard Element cover and reconnect the Keyboard cable to the Logic Ele...

Page 45: ...s and lower it intc position while engaging the bar in the two pivots 3 Press down on the spacebar at the spacebar modules to seat the spacebar button 4 Check spacebar operation for binding If the spa...

Page 46: ...connector at the Keyboard Logic card 5 Remove the twa retaining screws from each end of the Keyboard Logic card as shown in Figure 4 10 6 Remove the Keyboard Logic card 7 Reinstall in reverse sequence...

Page 47: ...from the base assembly 5 Disconnect the Keyboard cable assembly 6 Install in reverse sequence connector from the Keyboard 1 Push the left and right upper corners so that the bottom edge comes out 2 G...

Page 48: ...the inside guide to the analog card ote Put new white seals over screws on bottom if required Left side or right side plug is indicated inside _ the plug I 1 Remove two knobs Brightness and Contra t k...

Page 49: ...rear cover Discharge static charge see SAFETY NOTE in q 12 2 Remove the Analog card 3 Replace the CRT and front panel assembly 4 Reinstall the Analog card Do Final check and adjustment 5 Reinstall th...

Page 50: ...anel of power supply I I I I I I Line Filter Power Switch Power Indicator AC ON LEDi PN 2397045 Fuse Voltage Regulator I POR 12 Vdc 5 Vdc 12 Vdc Return Return I DC Fuse 125 V 3 A I slow blow 19 05 mm...

Page 51: ...ellow D09 White Green B07 White Blue D07 White Gray 002 WHT BLK BRN GNO Bus Reel GND Bus ShieldI Figure 5 2 Keyboard Cable 5 2 Controller End 2 6 11 7 8 9 5 12 13 14 4 3 10 7 7 1 15 Line Tj11e 5Vdc 12...

Page 52: ...dy 4 __ EIA Request to Send 5 _ EIA Clear to Send 8 _ EIA Carrier Detect 7 11 EIA Ground _ EIA Supervisory Transmit Data 12 EIA Supervisory Received Data 39on 23 IM Current Loop Bias 24 Current Loop S...

Page 53: ...d 2 0 0 Signal Ground 4 0 0 Signal Ground 15 0 0 5Vdc 7 0 0 Video 12 Vdc 3 Element 0 0 H Drive 13 0 0 V Drive 12 0 0 Video 10 0 0 Dual 11 0 0 15 Pin 15 Pin Conn Conn 7 6 5 4 3 2 0 0 0 0 0 14 13 10 g 0...

Page 54: ...Label Logic Board Assembly Part Number is printed 0 o 0 0 0 Figure 5 5 Logic Board ID 5 5...

Page 55: ...APS 0 0 Figure 6 1 Modem Interface Test Set N 453637 The NU DATA test set connects in _series with the CCITT EIA data se1 cable and the 7 25 pin data set connector _ This enables the CE t monitor meas...

Page 56: ...3 Figure A 1 Final Assembly See ist A 1 A 1...

Page 57: ...L ELEMENT MODEL ELEMENT MODEL FOR JS 20 RS 232C FEATURE FOR JS 21 S 232C FEATURE W EIA CABLE 22 RS 232C AND C Loop FEATURE ELEl IENT l IODEL 23 RS 232C AND RS 422 FEATURE FOR US I LOGIC ELE IENT MODEL...

Page 58: ...821 I 18 56404971 I 19 156406881 I 20 56405191 1 1 2 2 2 2 1 1 1 2 2 1 1 1 1 1 I I I I I l I I VIDEO ELEMENT _ FOR NEXT HIGHER ASl l SEE FIGURE A 1 1 AND OR DETAIL BREAKDOWN SEE FIGURE A 2 COVER ASSEM...

Page 59: ...II Figure A 3 A 4 14 See List A 3 c Element Logi DETAIL Q...

Page 60: ...22 RS 232C AND C LOOP FEATURE I LOGIC ELEMENT MODEL 23 RS 232C AND RS 422 FEATURE I LOGIC ELEMENT MODEL 10 RS 232C FEATURE I FOR CANADA US ASCII I LOGIC ELEMENT MODEL 11 RS 232C fEATURE FOR CANADA US...

Page 61: ...6 2 Figure A i A 6...

Page 62: ...96654 4 SCREW 9 1622346 4 WASHER LOCK STAR EXTERNAL 4 3 ID 10 NO NO KEYBOTTON SEE LIST q I 11 17q8131 AR MODULE KEY SENSING I 11 1748132 AR MODULE KEY NON SENSING I 12 1854442 1 BAR SPACE I 13 1564055...

Page 63: ...c t 12 1853508 41 1756166 er 1853560 _ _ I i 13 L 1853509 42 I l 1648530 71 I 1853561 I I i I I 14 _ l 1643648 43 I 1643637 72 _ 1853547 I I I 15 I 1643646 44_ I 1756170 73 _ I 1853562 16_ Q I 185351...

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