IBM 3279 2A Maintenance Information Download

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Summary of Contents for 3279 2A

Page 1: ...Maintenance Library s 3 G ffff Color Display Station Models 2A 28 3A and 38 Maintenance Infonnation SY33 0069 3 Part 1...

Page 2: ...ff Maintenance Library Color Display Station Models 2A 28 3A and 38 Maintenance Information SY33 0069 3 Part 1...

Page 3: ...equent revisions or Technical Newsletters It is possible that this material may contain references to or information abollt IBM products machines or programs programming or services that are not annou...

Page 4: ...g Card 3 2 3 3 Amplifier Card and Inputs 3 4 3 3 1 Convergence Circuits 3 4 3 3 2 Color Controls 3 6 3 4 Video Card 3 6 3279 MIM 1 1 2 10 3 S Cathode Ray Tube and Coil Assembly 3 6 3 6 Convergence Log...

Page 5: ...Adjustments 5 2 5 2 1 Coarse Color Balance 5 3 6 7 Keyboard Jumpers and Cables 6 28 6 8 Attachment Cabling 6 30 6 9 ECS and PS Card Layouts 6 32 6 10 Power Supplies 6 33 5 2 2 Coarse Raster Adjustmen...

Page 6: ...d Symbols Card F2 3 12 General View Bezel Removed 4 1 ON OFF Switch 4 2 Brightness and Audible Alarm Volume Control Assembly 4 2 Figure 4 4 Figure 4 5 Figure 4 6 Figure 4 7 Figure 4 8 Figure 4 9 Figur...

Page 7: ...e the following precautions a Another person familiar with power off controls must be in immediate vicinity Someone must be there to turn off power if it should become necessary vi b Do not wear any j...

Page 8: ...is returned to the customer 3279 MIM 19 Always place CE tool kit away from walk areas where no one can trip ovor it i e under desk or table 20 Avoid wearing loose clothing that may be caught in machin...

Page 9: ...ects that may be blocking the airway such as gum food dentures or even the tongue Position the victim on his back and place one hand beneath the victim s neck and the other hand on his forehead Then l...

Page 10: ...is cycle once every five seconds until the victim breathes for himself or medical help arrives Reporting Accidents It is aCE s responsibility to report all electrical accidents potential electrical ha...

Page 11: ...hands If the CRT is shipped with a lifting strap this strap should be used for the removal of a tube from and placement of a tube into the shipping container 8 When inserting or removing tubes from e...

Page 12: ...selector light pen a security keylock and magnetic reader control for slot reader or hand scanner Programmed symbols PS2 two fonts and PS4 four additional fonts is an optional feature on model 3B Mach...

Page 13: ...1 1 2 4 Operator Information Area The Operator Information Area is the row below the separator line and displays characters that indicate the status of the 3279 Chapter 1 General Description and Loca...

Page 14: ...connected to the 3279 CRT thus allowing direct comparison of the two displays except for the separator line and Operator Information Area 1 2 3 2 Sync Polarity Stritcb This switch is used to select ei...

Page 15: ...dy 5V 8 5 V 8 5 V 5 V Gnd 103 V Brightness Pot Intensity Override Sw 4 Intensity Override Sw 1 Brightness 2 To Color Balance 135 V 6 3 V Return 70 V 6 3 V Figure 1 2 Display Unit Front View with Bezel...

Page 16: ...keyboard connector Card Socket Identification G2 to G4f crossovers for MRC G3 to G5 Figure 1 3 Display Unit Rear View 3279 MIM For logic card locations see Figure 1 6 Sync Polarity Switch Signal Test...

Page 17: ...OR N MAX S BALANCE PI All 1011 alpl S I In p 4 I 1 1 2 L l_ Two ground wires Video Card for Test Points see Figure 6 10 Factory preset some presets are only on early level cards Four Static Convergenc...

Page 18: ...m EHT Connection Deflection Coils EHT Bleed Assembly Amplifier Card Top Card Connector Analog Card Convergence IPurity Coil Assembly Grounding Plate Video Card Logic Gate Power Supply Card Figure 1 5...

Page 19: ...u it a i i u 0 c x til 0 i Y 22 0 c 0 a c 0 J Z Top Card Id ntlflcatlon J 33 1 If Video Output Facility is installed line control card is replaced by video output card 2 Mlhen installing Top Card Conn...

Page 20: ...The operator is made aware of keyboard lock by a change in the action of the keyboard clicker The clicker normally clicks once for each key depression but stops clicking after keyboard lock If the ope...

Page 21: ...s follows Technology Latch Gate Ref MULTI NONE GND Power the probe from any D03 pin red wire 5 V and any D08 pin black wire ground The ground lead on the probe tip must also be connected to a nearby g...

Page 22: ...the brightness control fully counterclockwise Intensity override turns on the red green and blue electron guns at maximum brightness 3279 M1M When the Normal Test switch is set to Test Ihe three rast...

Page 23: ...egular intervals across the screen on Model 2 Only the double skipline appears on Maqel 3 Each skipline appears as a dark line when converged Figure 2 1 Intensity Override Test Mode Chapter 2 Maintena...

Page 24: ...b7 1 1 ISU P 1I01Z3451078 11l Figure 2 2 Test Mode 1 Pattern 2 5 2 Test Mode 2 Keyboard 1 Test Mode 2 is entered automatically after the display is loaded with the Test Mode 1 pattern of characters En...

Page 25: ...It is shown only when the r sult is important Enter Test Mode 3 from Test Mode I or 2 by pressing the CONTROL key Figure 2 3 or directly using a jumper see section 2 7 Step See Notes 1 2 above I 2 3...

Page 26: ...ne 18 Cursor moves to first 9 in line 18 End of TEST MODE 3 SEQUENCE 2 6 Online Tests Control Unit to Display Station Test o 2 3 4 5 6 7 8 3219 MIM Description 4 color test pattern Error log for 3278...

Page 27: ...mission test routines Note Before going to a specific MAP reference read the danger notice at the start of MAP 0000 Test 0 Routine 1 3276 only This routine verifies the basic TA Terminal Adapter card...

Page 28: ...Port I IDPA TEST nnnn pp SEL PEN SEL PEN I SEL P I SEL PEN DISPLAj INSERT C White White Red Green IntensIfIed Intensified Non protected t Attributes Protected Non protected f only NON precedes DISPLAY...

Page 29: ...e MRC feature Move the cursor to the first position in the fifth line line below the test pattern and pass the MRC test card through the reader Results A appears in the OIA appears in OIA and the fiel...

Page 30: ...ed by 2 when it appears in the operator information area For example an error code of 205 205 is logged as 05 3274 error codes for the 3279 display are listed in Figure 2 8 3279 MIM 2 6 3 2 OnIIoe Tes...

Page 31: ...wer off or no device is attached to this port Figure 2 6 Test 3 Pattern 1 10 Test 3 gives data about each display unit attached to the control unit IOPA 1 6 7 Test 8 7 Color and Programmed To run Test...

Page 32: ...th white centers 7 7 F Pis blue 2 is red 3 is pink 4 is green 7 8 C 5 is turquoise 6 is yellow 7 is white 10 11 12 is red from font A is red from font B skip supressed js red from font A Notes 1 If PS...

Page 33: ...then cable then 02 222 G4 selector pen Invalid selector pen status then 02 then C2 or command queue failure 223 E2 then 02 ECS buffer parity error 224 G2 MRC then 02 Invalid MRC status or command queu...

Page 34: ...n coaxial cable then 02 No response from terminal timeout 71 C2 then coaxial then 02 Adapter receive parity error 72 C2 then 02 Data parity error 73 02 Lost Operation Complete this display 74 02 then...

Page 35: ...be characters on screen Color balance All characters are reversed Used to check purity When the Normal Test switch is set to the Test position this jumper allows entry directly to Test Mode 3 without...

Page 36: ...OES Control Logic F81l FBO 02 Figure 3 1 3279 Block Diagram 3279 MIM Convergence Logic MSR MHS B2 LCC BLC LCC Clocks Refresh Storage Character Generator Color Control Video Outputs Power Supply Card C...

Page 37: ...er supply card A fuse is located on the power supply card If it fails the power supply card must be exchanged Chapter 3 Functional Components 3 2 3 2 Analog Card The analog card generates horizontal a...

Page 38: ...Ve fo 1 1 r t Co 103 V de 1 103 V dc return A3 rtical nnections de by Ma LOPT IS 14 I r LOPT Retur 0 n 8 Sense 0 HI Analog Card P4 340 290 30v 3SV S V S V OV 8 5 V AS rD To Video Card and Amplifier C...

Page 39: ...er on reset The next poll from the control unit to which the 3279 is connected detects the status and then reada the Chapter 3 Functional Components 3 4 data from the battery maintained storage and pr...

Page 40: ...5 L l J 1 LJ Deflection Coils PIS f g Convergence Purity I Assembly l II j 50l 2 Vertical f I II I I II Purity Card 12 V HB d lsi I 1 Lateral Card t ffi tI IIJ u al ItO 1 113 cm 1 IIJ I 1 2 I 115 ial...

Page 41: ...ise Light Blue Cyan White Chapter 3 Functional Components 3 6 Each primary color has a separate electron gun with a separate grid to control its brightness see figure 3 4 The three electron beams are...

Page 42: ...Gun Shadow ask F19ure 3 4 Sh d a ow Mask 3279 MIM Shadow Mask Chapter 3 Phosphor Dots Triadsl Functional Components 3 7...

Page 43: ...ation is converted to analog signals and fed to the amplifier card in the main enclosure assembly The card is connected to the base logic card through the featUl e bus so that the stores can be access...

Page 44: ...ocation Dl The base logic card see upper part of Figure 3 6 contains The display buffer which holds the character code for each position on the screen The ROS which stores the character shapes It is a...

Page 45: ...E ICTL CARD I C21 Clocks I BASE lOGIC ________________ RD D J _ IL__ V r n Serializer Dot Counter Retlme to Analog R G 14 MHz Osc Card I g 1 I Cable I I I I PS Red Serial Blue j B f Video r S 9nals I...

Page 46: ...t Parity Check Symbols feature is installed It can cause the characters to appear in any of seven colors and can highlight the characters The APL ROS is pluggable although it is standard with the ECS...

Page 47: ...nd Select Bits From ECS PS Controls From ECS PS Address From ECS FBO Redriven From ECS Figure 3 8 Programmed Symbols Card F2 Address Chapter 3 Functional Components 3 12 PS4 feature may be installed E...

Page 48: ...ield is Ill For other combinations of the color field bits the color of the complete character is defined by the ECS attribute as for the other fonts 3 11 Selector Light Pen LP Card Feature Location G...

Page 49: ......

Page 50: ...ench a quarter tUTn in each slot The rear enclosure assembly can then be swung open on the hinges Logic Gate Control Switches Figure 4 1 General View Bezel Removed 3279 MIM 4 3 Rear Cover To remove th...

Page 51: ...from around PII and unplug it Release the mounting bracket from the inside of the bezel 4 Reinstall in reverse sequence 5 Wrap two turns of adhesive tape around PII to insulate the contacts 150 V and...

Page 52: ...is located to the right of the CRT as viewed from behind DANGER Compt lfl nls on t is Ctlrd are t Before adUng the card allow t to cool for 5 minutes with powr ned off 1 Switch power off and remove th...

Page 53: ...ell of the CRT behind the analog card install the jumper in position H 9 Insert the EHT cable fully into the LOPT socket P21 and screw down the cable clamp 10 Continue installation in reverse sequence...

Page 54: ...the latch tabs together and pull the connector free from the pins Replacement Reseat the connector ensuring that the tabs are latched 4 7 2 Internal Coaxial Connection Removal Press and hold the latc...

Page 55: ...ilament resistance Cold Figure 4 7 Analog Card Chapter 4 Removal and Replacement Procedures 4 6 P6 I P5 Note When exchanging a CRT or Analog Card match the jumper position to the CRT This sets the fil...

Page 56: ...NGER W r SIIfely eqllipment _ Clltltotk RII I TIIbe SIIfely lit tile fl f1llt of tltis m_l wilen Itmtdlbtg CRT 3279 MIM 4 8 3 1 Removal CAUTION Support tbe logic gate to prevent tbe display from falli...

Page 57: ...he pin protector from the CRT and insert it on the failed CRT Chapler 4 Removal and Replacement Procedures 4 8 14 Slide the convergence coil assembly onto the CRT neck and position the assembly over t...

Page 58: ...assembly unplug the EBT cable from the top of the CRT Lift the rubber cap at the edge to break the airlock grasp the cap finnly rock it to one side and lift 3279 MIM Interelectrode gap Angular Alignme...

Page 59: ...les that plug into the strips through the gap at the right hand side of the logic gate as viewed from the rear It is easier if the shrouds are removed replace them afterwards 2 Ensure that the card lo...

Page 60: ...yboard 2 Remove the four screws in the comers of the keyboard base 3 Place the keyboard base on a flat surface 4 Lift the top cover off the keyboard 5 Reinstall in the reverse sequence NOle Check for...

Page 61: ...ss down on the key module until it is relegsed from the holding plate 10 Handle the all keys assembly by the sides and take care not to press any keys Invert it onto the base locating it on the pins I...

Page 62: ...r at the spacebar modules to seat it 4 Check the spacebar operation for binds If it binds the probable cause is a bent right module stem This stem can be shaped to free the bind s Install the keyboard...

Page 63: ......

Page 64: ...st static convergence section 5 3 1 and dynamic convergence section 5 3 3 only 4 Amplifier Card Perform the initial checks section 5 1 Do not adjust the four controls marked GAIN on early level cards...

Page 65: ...y be tinted due to purity color brightness imbalances Now set the potentiometer to its mid point 7 Set the Normal Test switch to Test A full screen of characters may appear Notes J The Control Key is...

Page 66: ...obtained set the RED MAX potentiometer back to its marked position and go to MAP 0000 Entry Point A 3279 MIM 5 2 2 Coarse Raster A djustment I Set the Normal Test switch to Normal and back Lo Test to...

Page 67: ...ill be written to the store a Switch power off b Connect a jumper from B2B08 to B2D08 short circuit c Remove the jumper after 5 seconds d Switch power on and wait 45 seconds e Set Normal Test switch t...

Page 68: ...center of the screen Adjust the brightness control if necessary 3279 MIM The following steps 2 through 7 are repeated 13 times with the pattern in different positions on the screen 2 Use cursor contr...

Page 69: ...6 5 3 5 Raster Controls Note The raster controls may be set accurately only when the display is online that is converged and viewed from a normal operating position I Set the Normal Test switch to No...

Page 70: ...kwise but not past the intensity override switch Adjust the R MIN potentiometer until the characters are just visible move the screen away from direct light if necessary 8 Turn the brightness control...

Page 71: ...s card readjustment may be necessary When the gain is too low the patterns have too little movement to converge when too high the patterns move in large steps with insufficient control to align precis...

Page 72: ...t lCC C2 SERDES Control Logic BlC FBII FBO Optional Figure 6 1 3729 Block Diagram 3279 MIM lCC BlC lCC Clocks Refresh Storage Character Generator Color Control Video Outputs Power Supply Card C2 D2 D2...

Page 73: ...ov 14 MHz Oock Scopepoint C2 P13 Sync Internal 20 ns cm 1 V cm x 10 probe If bad change card C2 Figure 6 2 Part 1 of 3 Waveforms Chapter 6 Support Information 6 2 f I Horizontal Retrace Scopepoint 82...

Page 74: ...n 0 1 msfem x 10 probe If bad change card C2 then 02 Figure 6 2 Part 2 of 3 Waveforms 3279 MIM r r J J M rt Convergence Parabola Scopepoint 82 506 Sync C2 Z08 Indicator Row Use 2 ms cm Main sweep 10 J...

Page 75: ...Internal 1 V cm x 10 probe If bad change card 02 then C2 E2 Figure 6 2 Part 3 of 3 Waveforms ov Chapter 6 Support Information 6 4 Ir f Videotime land 7 x Trig Seopepoints C2 002 C2 Jl0 Sync Internal 0...

Page 76: ...in which they are developed_ The following connector strip diagrams show how these signals are distributed around the machine 6 3 Top Card Connector and Planar Strip Wiring lCC BlC X22 X2 X22 X2 IQJ J...

Page 77: ...121 t p FaO Redrlvei3 lt9 Er X33 X13 X33 X13 E3 F3 Figure 6 3 Part 2 of 4 Top Card Connectors Katakana and Japanese English MachInes only Y22 Y2 b Le Y22 Y2 iR P Q M O d e TP Rev Vi deo Q 0 aB to I ld...

Page 78: ...dd Bit 64 L 101 QJ HAM Atld Bit 8 fQ1 IQ1 1 1 RAM Add Bit 2 l J RecEnabl8 Q TP TP XRBC lTP TP RAKCA ja I2J l A10 Qj RAM Add Bit 32 0 l J XEIQITP TP o RAM Acid Bit 256 0 IQI RAMAddBlt128 I2J RB Data IT...

Page 79: ...i 6 i j l ECS B t l J lQJ T yyered LSSO Q Load Sk J Underllne From ECS QJ a c I J L 5 QJ lQJ R v Cha Feam ECSIQ X B tGate LSSD Clock Q lQJ 9J lQJ Rst PS Rey Latched J Spare W33 02 2J Su Sk TP W 3 hgur...

Page 80: ...This page intentionally left hlank 3279 MIM 6 9...

Page 81: ...Q 5 lQ 5 6 lQ 7 GND lQ GND lQ 8 lQ lQ 9 lQ IQj 10 lQ lQ 8 5 11 Q 12 Q Q 13 G2 F2 Note that there is also a cable between G2 and G4 when MRC is instdl ed see Figure 6 6 0 QJ I J QJTP lQ 5 QJTP TPlQ TP...

Page 82: ...Q C Reg 0 C ck 8 IQ _________ _o__ g ci IQJ I l IQ GNO Dot 5 QI GNO _ GND Q QJ _________ IQ o ock TP IQJ IQJ _________ 1 g C ock I2J 8 5 C3 Clock IQj IQ Col QJ Bit 1 Out QJ 0 Clock IQt 82 Clock IQt QJ...

Page 83: ...DI IQJ G IQJ IQJ ECS G Ros Add Bit 0 I2J 51QJ 16 IQl Gated Read Op 0 1 51 Ros Add Bit 3 LTI Ros Add Bit 1 Q f01 Ros Add Bit 4 Ros Add Bit 5 QI IQJGND IQJ Ros Add Bit 6 IQJ r __ RO S A dd B it 7 lQ1 10...

Page 84: ...G G Power Good G D 8 I Operate Mode Q Qj IQ QJ QJ 5 pi QJ 5 L IQ rQJ f Q1 Vertical Retrace o IQ GNO f21 1QI 7 x Trig IQ GNO o Vertical Skip 02 DUClI Case C2 Coaxial device cable B2 A3 a v c 0 0 t e 1...

Page 85: ..._ _ _ __ 5 Q I9J 5 Q Q Q 5 I I FBO 2 Q I9J TPCQr TP r I I9J TP Q Q TP 1Q Q Q Q Q Q FBO 7 FBO 8 I I TP I l Q GND IQ GND Q I I9J Q GNO t Feat Clock 19J TP TP i Q 19J TP Ql 1Q TP I l 1lli Q Q 8 5 8 5 Q...

Page 86: ...S l L 1Q h Enhance 1QJ Sync Out QJ U IQI IQIS l 2 9 V Red Video 1Qi S GNDIQI IQI Green Video IQI S IQI 1Q16 GNDIQI Q Blue Video 1 2J IQI 1Q17 Q GNO r Blob Cursor GNO J IQIGNO IQI 1Q18 BBM jj IQI 1Q19...

Page 87: ...O IQI 5 f2I I IQ 1Q 5 IQ TP IQI 6 IQ IQ 1Q 71Q IQ IQ IQ 1Q 12 GNDIQ B IQ IQ GND IQ Col Bit 2 IQ IQ 9 IQ IQ 121 Col Bit 4 0 12 IQ 10 IQ ij Col Bit 3 SP SW NIC IQI lQ a 5 IQ 11 IQ IQ IQ Non Display SP S...

Page 88: ...f QIGND 101 I J Col rvlodeBltO rvlake Break Q Q 1D1 End Screen SP Detect Scan Q QIPORIRST IQ o Data AVI Q QIID2 Scan 3 QI QI8 5 ID3 Q Q Scan 4 Ik Scan 5 fQ Scan 6 Q _____ __ I Green Video TPIQr Q TP 5...

Page 89: ...I I I I l I _________ eJ Figure 6 5 Grounding Diagram Chapter 6 Support Inform t a Ion CAUTION Line Cor COHeet G d Gmund Routings UndConnections And 1 CRT lO h re Essential F 19 tning And FI or Effec...

Page 90: ...he wiring table Flex t page Logic Gate Power Supply al Card SMPSI I eel P18 P178 P178 Amplifier Card Figure 6 6 Cabling Diagram 3279 MIM Degauss Coil P3 Pl bl Analog Card P4 Switches aal AalA P5 P4 P4...

Page 91: ...8 5 V de A2Dll 8 5 V de A2Bll 8 5 V de A2D12 8 5 V dc A2B12 b Line Hard wired to fuseholder P3 1O Neutral P2 2 P3 15 Ground Screw 6 P3 7 Ground Screw 6 P3 16 Degauss P3 12 P27 2 Neutral P3 13 P27 1 d...

Page 92: ...de 1 23 16 1 51 03 Scan Bit 2 1 23 3 I SB04 KB Aek 1 23 4 1 51 05 KB Ident Bit 0 1 23 17 DS80S Clicker 1 23 5 I SD06 5 V de 1 23 19 DSB06 Make Break 1 23 6 I SD07 KB Ident Bit I 1 23 18 O5B07 DC Retu...

Page 93: ...BOS P1S S Radial Green ASD06 P1S 7 Ground Separator ASB06 P1S 6 Radial Blue ASD07 PIS S Ground Separator ASB07 PIS 4 Blue Bright Up AS 009 PlS 3 Ground Separator ASB09 PIS l Display Ready P4 32 P17B 7...

Page 94: ...A3J 06 MOl1ocasc Switch 1 28 5 A31113 ff 70 V de P4 23 P16 1 70 V de Return P4 24 P16 7 6 3 V de P4 25 P16 3 6 3 V de Return P4 22 P16 4 1tltcnsity 0 crride P4 13 1 16 5 gg Al 2RO to 450 V del 1 5 3 h...

Page 95: ...0X G4BOX G2B09 G4B09 G2D09 G4D09 G2BIO G4BIO G2DI0 G4DIO GlDl1 G4DII G2BI2 G4BI2 G2f 11 G4D 12 GlBI3 G4BI3 G2DI3 G4DI3 kk G2G02 G4G02 G2J02 G4J02 G2 03 4 03 G2G04 G4G04 2J04 G4J04 G2JO G4JOS Sync Out...

Page 96: ...five Circuits 6 S CRT D Figure 6 7 CRT Drive Circuits 3279 MIM Chapter 6 S upport Information 6 25...

Page 97: ...iG lc 3 A 3 o B 13 o 1h5l K v Monochrome c I li 0000100 I V A a A f L __ _ 1 B Sound A3 D02 1 RD L Al __ _rq3 Alarm 15 V 3 008 3 BK 2 AJorm Pot _ D2 J05 0 va c I I k 1 11 kUI I 0 D O 5_4 9 yW I o A3 2...

Page 98: ...e video amps Return 0 V 6 3 V de Heater Red Video Amp Green Inputs Blue 10 5 V Anode Voltage 280 to 450 V del Intensity Override 0 5 V Red Grid Green Voltages Blue 10 to 150 VI 1 Rllall Cards except I...

Page 99: ...ric Lock 1 2 3 e g APL with PSH ICO 0 U E RPQ 0 1 Text 0 3 LJ 0 Text with Numeric Lock 0 1 3 4 6 APL 0 2 U It APL with Numeric Lock 0 1 2 I Typewriter with PSHICO 0 2 3 jj 0 Overlay with PSH ICO Reser...

Page 100: ...5 18 6 19 7 20 8 21 9 22 10 23 11 12 Figure 6 12 l ogic Gale to Keyboard Cable 3279 MIM Scan Bit 4 Scan Bit 6 Scan Bil2 5 V KB Ack KB Ident 8it 0 Clicker KB Ident Bit 1 Make Break 5V KB Ident Bit 3 8...

Page 101: ...urn black 5 Data oranye l l l l _ J _ 8 5 V tlc r ed 6 _ 4__ Y LED blue 2 o B R LED brown G LED white 3 BUlzer green or 4 gray de Return Coax Shield Twist Lock Connector 12Vdc red Sel Pen SW N C while...

Page 102: ...Cable Resistance 1 megohm Positive Sync 6 Ground SYNC POLARITY VIDEO CONTROL 9 10 P34 1 SIGNAL TEST P34 4 Sync Red Green Blue T To Monitor Video Output Facility Figure 6 3 Part 2 of 2 Attachment Cabli...

Page 103: ...C F To Top Card Connectors For PS 2 Font B replaces install with bevel as shown PS CARD LOCATION 01A A 1F2 COMPONENT SIDE F0nt F Green ECS Card Switches PS Card Feature SW2 SW3 SWI 4 SW5 8 Jumper No P...

Page 104: ...n Yellow Japan Uses 60 Hz Colors logic Ground Fusible Resistors 35 mAl Resistance 8 15 H cannot be exchangedI I Power Supply 12 V 3 I A5 B04 G5 Card 1 I M 2 2 oV 12 V Return J N A5 B03 G5 B 12 V 3 I 6...

Page 105: ...Information 6 34 Note that the colors of white and red fields base change to red and white respectively 4 Press CONTROL D The character or attribute at the cursor position is copied into the first po...

Page 106: ...tself an attribute then the ECS byte becomes an extended field attribute EFA Normally the character attribute controls the displaying of the corresponding character however if the character attribute...

Page 107: ...reen 1 0 1 Turquoise 1 1 0 Yellow 1 1 1 White 0 1 5 6 7 L Green R d e BI e u 2 3 4 1 Default 0 0 0 APLIROS 0 0 1 0 0 Default PS Font A 0 1 0 0 1 Blink PS Font B 0 1 1 1 0 Reverse Video PS Font C 1 0 0...

Page 108: ...Control Unit is ready 3276 Control Unit is ready IDPA is ready Control Unit is connected to system under a Tules 1 Control Unit is connected to system under b rules SNA 3279 is connected to applicatio...

Page 109: ...see Control Unit MCM As above Assigned printer is busy If is displayed at right the printer is busy on your work Wait for printer to complete or use DEV CNCL Print in progress cannot be stopped by DE...

Page 110: ...The keyboard is in APL mode The keyboard is in text mode The keyboard is in upshift The 3279 is in insert mode This symbol appears in position 41 on Model A or position 42 on Model B When printer IO...

Page 111: ......

Page 112: ...r Assembly 4 Front EnciDsure Assembly 4 sheets 6 Rear EnciDsure Assembly 4 sheets 14 KeybDard Assembly 87 88 Key 22 75 76 PDsitiDn KeybDard Assemblies 3 sheets 24 Keyboard Assembly 75 76 Key 28 87 88...

Page 113: ...figure in the GAPL to find the index number of the part required and locate the index number on the accompanying list The list contains the following details Part Number Description Trailer lines aft...

Page 114: ...ssemblies and Detail Parts of Unit Attaching Parts for Assemblies Detail Parts Subassemblies Attaching Parts for Subassemblies Detail Parts for Subassemblies etc NR in the part number column denotes t...

Page 115: ...LATCH ASM 19 4420481 2 CAM 20 4423376 1 COVER REAR 21 4420398 1 HINGE LO JER 22 1621190 2 SCREW PHD 1 14 8 1 11 1 LG 23 1622346 2 LCK W EX TH 4 3 MM 10 24 1622304 2 WSflR 4 3 MM 10 9 1 11 1 00 25 4420...

Page 116: ...SEE DETAILC kif 19 18 DETAIL B Af 1 14 0 I 21 24 I SEE DETAIL B 15 17 I h C 1 1 0 4 2 3 42 43 29 Figure I Cover Assembly 3279 Color Display Station Parts Catalog 5...

Page 117: ...ts Catalog 6 3279 2 3 4 DESCRIPTION FRONT ENCLOSURE ASSEMBLY FRONT ENCLOSURE BEZEL ASM BEZEL INSERT L E D CARD ASM L E D SCREW HEX WSHR HD 4 20 a l 1l i LG THO FORMING LOGO SWITCH INSERT NORMAL TEST I...

Page 118: ...3 6 1 D2 17 1 t 15 16 l 1I1 REAR VIEW Figure 2 Sheet I of 4 Front Enclosure Assembly 10 11 12 22 13 14 24 DETAIL A 3279 Color Display Station Parts fatalog 7...

Page 119: ...D USED ON MACHINE 100 127 V 28 SEE NOTE POWER SUPPLY CARD USED ON MACHINE 200 240 V 29 4420423 2 SCREW HEX WSHR HD 6 19 12 MM LG THD FORMING 30 4423344 HOL SING 31 SEE NOTE CARD VIDEO 32 4423029 COVER...

Page 120: ...IDEO AMP PART J 8 iN_ER DETAIL A DETAIL B DETAILC DETAILD 1 9 t 25 25A 26 27 SEE DETAILD 9 rt 28 29 SEE DETAIL B 37 33 34 SEE DETAIL A Figure 2 Sheet 2 of 4 Front Enclosure Assembly 3279 Color Display...

Page 121: ...THD FORMING 46 1743407 1 CARD ASH AUDIBLE ALARM 47 4423373 2 THU lBSCREW M3 6 MM LG 48 4423357 2 INSERT 49 4423048 1 KEYSWITCH 50 4423317 4 CLIP 51 7341290 A R WASHER USE TO OBTAIN 2 2 MM BETWEEN CRT...

Page 122: ...38 DETAIL B I I SEE DETAIL B ir Ii i I 39A 39B 46 47 Figure 2 Sheet 3 of 4 Front Enclosure Assembly 3279 Color Display Station Parts Catalog II...

Page 123: ...2 2 2 2 2 2 1 3279 Color Display Station Parts Catalog 12 3279 2 3 4 DESCRIPTION FRONT ENCLOSURE ASSEMBLY CONT FRONT ENCLOSURE DOCUMENT TRAY SCREW HEX WSHR HD 6 19 8 MM LG THD FORMING BRACKET SCREW HE...

Page 124: ...Figure 2 Sheet 4 of 4 Front Enclosure Assembly 3279 Color Display Station Parts Catalog 13...

Page 125: ...HD 6 19 8 MM LG THD FORMING 2 4423374 1 THUMBSCREW M4 9 MM LG 3 1621509 1 SCREW SCK HD M4 8 MM LG 4 4418790 1 GUARD 5 1621844 1 SCREW PHD M3 6 MM LG THD FORMING 6 NO NO REF BATTE 0sTOMER EPLACEABLE I...

Page 126: ...Figure 3 Sheet I of 4 Rear Enclosure Assembly 3279 ColorDisplay Station Parts Catalog 15...

Page 127: ...0368 1 GUARD 12 219615 6 CLIP 13 1621191 2 SCREW PHD M4 10 MM LG 14 1622346 1 LCK W EX TH 4 3 MM ID IS 4423483 1 SUPPORT 16 4420421 4 SCREW HEX WSHR HD 6 19 8 MM LG THD FORMING 17 4423365 8 GRO lMET 1...

Page 128: ...18 19 15 16 Figure 3 Sheet 2 of 4 Rear Enclosure Assembly II 20 21 22 10 11 12 23 DETAIL A 3279 Color Display Station Parts Catalog 17...

Page 129: ...F 4 4 3279 Color Display Station PartsCatalog 18 3279 2 3 4 DESCRIPTION REAR ENCLOSURE ASSEMBLY CONT REAR ENCLOSURE LABel FOR DETAILS SEE CHART Y CONNECTOR TOP CARD FOR DETAILS SEE CHART Y SCREW HEX W...

Page 130: ...726 4423089 3 A G A 5148165 5148706 C5 05 4423325 4423090 D2 E2 41 23324 4423093 4 A G A 5148166 5148707 5147535 CS ES 4420450 4423091 02 F2 4423323 4423092 5 A G A 5148 67 5148933 E3 F3 2766726 44230...

Page 131: ...OLDER FOR DETAILS SEE CHART A LABEl B LABEL C LABEl 0 LABEl E LABEL IF LABEL G FOR DETAILS SEE CHART A JUMPER MODULE CONC T PLUGGABLE SEE DETAIL H MODULE ROS PLUGGABLE SEE DETAIL E NOTE USE THE PART N...

Page 132: ...BIT NO PS PS2 PS4 35 COMPONENT FACE DETAILG 2 3 OFFOFF OFFON ON ON 32 IECS CARD FOR MODEL 3B BOARD END ODD 34 DODD DODD COMPONENT FACE DETAILH IPS 4 CARD ASM 35 COMPONENT FACE DETAIL E IECS CARD FOR M...

Page 133: ...TAILS SEE FIGURE 5 KEYBOARD FINAL ASM 87 KEY FOR DETAILS SEE FIGURE 5 BASE ASM 87 KEY BASE ASM 88 KEY BASE ASM 87 KEY LABel USED IN US CANADA ONLY STRAIN RelIEF SCREW HEX WSHR HD 8 32 11 MM 0 437 LG C...

Page 134: ...22 r 13 lI9 12 DETAil A 26 24 25 19 17 3 4 c 2 Figure 4 Keyboard Assembly 87 88 Key PART NUMBER DETAllB 23 DETAllC 20 SEE DETAil B 28 1 29 3279 Color Display Station Parts Catalog 23...

Page 135: ...778 4941905 DATA ENTRY II 1752425 2941779 4941906 CANADIAN TYPEWRITER 1650684 4941783 4941944 FRENCH OCP TYPEWRITER W O CH TO CH AND POWER ON 5194388 4942164 DATA ENTRY I 1650702 4941784 4941907 DATA...

Page 136: ...TER W OCH TO CH AND POWER ON 5194380 4942171 DATA ENTRY I 1650693 4941820 4941919 DATA ENTRY II 1752432 4941821 4941920 INTERNATIONAL TYPEWRITER 1650675 4941825 4941958 OCP TYPEWRITER WIOCH TaCH AND P...

Page 137: ...OCH TOCH AND POWER ON 5194384 4942178 DATA ENTRY I 1650700 4941872 4941935 DATA ENTRY II 1752439 4941873 4941936 SPAIN TYPEWRITER 1650679 4941853 4941966 OCP TYPEWRITER W O CH TOCH AND POWER ON 519438...

Page 138: ...THIS PAGE INTENTIONALLY LEFT BLANK 3279 Color Display Station Parts Clltalog 27...

Page 139: ...DETAILS SEE FIGURE BASE ASM 75 76 KEY LABEL USED IN US CANADA ONLY STRAIN RELIEF SCREW HEX WSHR HD 8 32 11 MM 0 437 LG CABLE ASM 0 9 M 3 FT FOR COMPONENT PARTS SEE FIGURE 15 ITEMS 45 48 CABLE ASM 1 8...

Page 140: ...1 4 If 13 DETAIL A 23 27 25 26 19 L f 20 18 3 4 29 Figure 6 Keyboard Assembly 75 76 Key PART NUMBER DETAIL B DETAILC 21 SEE DETAIL B30 3279 Color Display Station Parts Catalog 29...

Page 141: ...2226 TYPEWRITER PROG CHAR SET 1752899 4941883 TYPEWRITER ATTR IBUTE SELECT 8627027 4419267 APL 1752919 4941776 4941980 APL ATTRIBUTE SELECT 8627044 4419179 BRAZIL TYPEWRITER 1650704 4941781 4941943 TY...

Page 142: ...SELECT 8627045 4419187 FINLAND TYPEWRITER 1650707 4941805 4941951 TYPEWRITER OVERLAY 1752903 4942231 TYPEWRITER PROG CHAR SET 1752903 4941888 TYPEWRITER ATTRIBUTE SelECT 8627030 4419279 APL 1752923 4...

Page 143: ...R SET 1752905 4941890 TYPEWRITER ATTRIBUTE SELECT 8627026 4419263 APL 1755747 4941818 4941988 APL ATTRIBUTE SELECT 8627046 4419191 ITALY TYPEWRITER 1650711 4941823 4941957 TYPEWRITER OVERLAY 1752907 4...

Page 144: ...SELECT 8627055 4419227 SPAIN TYPEWRITER 1650714 4941857 4941967 TYPEWRITER OVERLAY 1752910 4942240 TYPEWRITER PROG CHAR SET 1752910 4941SD7 TYPEWRITER ATTRIBUTE SELECT 8627036 4419303 APL 1755752 4941...

Page 145: ...4941900 TYPEWRITER ATTR IBUTE SELECT 8627038 4419255 APL 1755755 4941876 4941996 APL ATTRIBUTE SELECT 8627058 4419183 JAPAN TYPEWRITER JAPAN ENGLISH 1650739 4941837 4941961 TYPEWRITER OVERLAY 1752461...

Page 146: ...THIS PAGE INTENTIONALLY LEFT BLANK 3279 Color Display Station Parts Catalog 35...

Page 147: ...1743314 2 1743315 UNITS PER ASM REF 1 1 1 1 1 1 1 1 1 3279 Color Display Station Parts Catalog 36 3279 2 3 4 DESCRIPTION CONTROLLER SWITCH ASSEMBLY CONTROLLER SWITCH ASM CONTROLLER SWITCH ASM LABEl EN...

Page 148: ...Figure 8 Controller Switch Assembly 3279 Color Display Station Parts Catalog 37...

Page 149: ...Figure 9 Sheet I of 17 Keybutton Group 3279 olor Display Station Parts Catalog 38 Keybutton Positions for 87 Key Keyboard Keybutton Positions for 88 Key Keyboard...

Page 150: ...644 0 1757230 1855131 ffi 1757145 1643611 1757308 1854265 rn 1757303 1751229 1855167 8 1855149 Rd 1756271 558764 1853547 1855336 rn 1757485 Ra 1643633 B 1854098 rn 1756278 5588068 ffi 1855164 ffi 5587...

Page 151: ...57301 ffi 1757146 5587622 rn 1855168 I 1855170 1757491 5588070 rn 1643623 185 4858 5587612 ffi 1643625 FP6 rn rn ffi 1752532 6 1643624 8326288 1752526 PF ffi 1756290 rn 1756292 8626910 ffi 1756296 ffi...

Page 152: ...i 1752527 8328291 8828959 hl 1757125 ffi 1756298 8828905 1853572 B 1752533 ffi 1757495 1854864 1853573 rn 1756304 ffi 5597814 B 1756276 1751231 1756281 8328290 5588071 1757309 5597817 9 11 fM 88_ 1643...

Page 153: ...53572 1853574 1752534 8626911 0 1757232 1757232 1757147 8628915 1757310 1757310 1756313 9 8626935 14 1643648 E3 Ghl 5588073 5687653 i x 8628938 8326295 ill 1853572 1756272 AI ill 8626953 8626938 18535...

Page 154: ...0 1854104 1853745 1762676 1854105 8 1752565 8 1752567 0 1855153 0 1752570 8 5189786 0 1854872 9 1855182 0 5189906 0 EJ 20 0 1854870 E 1j 1855181 1853747 1854875 J 19 0 0 1855132 1853746 1752569 18551...

Page 155: ...1854244 e 5189819 F1 1855185 0 1853814 E 1854266 5 _ 23 f9 0 1853750 1854879 t 1752575 1643612 B 0 1752572 1855188 5189835 1855127 ffi 26 0 1854877 1854107 5189909 185510 3 5182752 1854108 5189791 0 1...

Page 156: ...765 27 0 9 5189821 0 1752580 1854579 5588077 0 1855036 30 1853753 8 1854895 1643613 1854107 1643612 3 1864110 8 1855194 j 185PQ25 0 1757237 0 1752578 33 1853756 5194235 1757313 0 5189794 0 1752581 B51...

Page 157: ...63 0 1854922 0 5189883 KJ 1855199 1854290 6 P 1855196 38 1853761 0 1854114 5189919 35 1853758 0 1752586 1854111 JJ 5189873 8 1752583 1854901 1854259 5189765 P 8 1854898 1855200 g 1854148 5189937 B g 9...

Page 158: ...37 D 1854259 l 5189857 0 1855129 8 5188335 1854295 9 5189799 0 g 1 1855142 1855018 D 0 1855030 5189901 B 1855144 1855024 B 1854248 9 0 I b 5189929 1855026 1757239 1854291 9 5189969 g 1757197 1855027 5...

Page 159: ...614 1752487 1752591 1645044 5588001 5189840 1853632 44 0 1854581 a FREIG 1757101 5189910 1752522 B1855039 g 5189800 0 1757240 B E1 5194319 1756325 5189858 1757314 B1752592 g 5189970 5587836 B 8542649...

Page 160: ...1854128 0 1752595 1855337 g 52 1853804 0 1752593 8 1854907 8 5194239 B1853868 0 5189803 1855210 0 1762677 1853771 5189802 48 0 1853767 8 1855212 g 5567637 0 1854905 1752596 50 0 1853769 1854109 0 185...

Page 161: ...912 1643617 f 1 1855146 g 1854913 1757113 rEST ORA 1757244 ffi 5182757 1855148 1756269 n A 1157207 1855215 5182758 1756270 5188348 53 g 1853805 54 5588083 0 1855147 1752489 B 0 1853773 1853869 5587734...

Page 162: ...27 5194158 Lk 5188375 5587607 5194129 5194159 5194133 5194157 5188360 58 1643618 60 g 8326349 63 m 1853544 5194160 1757806 61 8326353 FeLD 1157099 5194156 EfFAC 8328354 1757163 66 1643635 1757140 ZONE...

Page 163: ...67 FIELD 1648432 71 0 B 8627378 MARl 8326361 L J 8627066 P 2 fB 8326361 8 8626966 8326426 8627356 P 2 1757152 72 5194190 8627067 8326367 FP1 1757212 73 5194191 9 8326371 8326363 c 1757270 74 1643610 8...

Page 164: ...423 8627391 8 8827370 8 8826992 8326425 r1 8627369 8 8827323 B 8326424 8826_ n B 8 83 8 8627322 8627381 8826993 8827337 8627380 8 8827359 9 8627336 B 8627396 EJ 8627358 8326379 8627394 8 8627373 79 eg...

Page 165: ...5 8626983 8627388 PBF f1 8326393 8627328 8626987 lFP12 8627366 PI 8626971 B 8627386 8626985 87 8 I 8626975 8627364 8326411 PBF 8626973 85 ij 8326400 B 8326413 PI 84 8 8326396 8326404 8 8326412 8 83263...

Page 166: ...GAll 0118 Germany GA12 2409 Italy GAl3 0l58 Japan Engiish Katakana NGAl8 2067 Japan EngiishlKatakana GAl8 2067 Japan wn NGA33 305l Netherlands GAl4 5l93 Norway GAl5 3062 Spain GAl 8174 Sweden GAl4 052...

Page 167: ...3 4 DESCRIPTION AC BOX POWER PLATE ASSEI1BLY EI1EAM AC BOX POWER PLATE ASI1 PLATE RECEPTACLE SCREW PHD 113 20 1111 LG FUSE HOLDER ASI1 GROMI1ET 24 1111 LG CABLE ASI1 AC DISTRIBUTION FOR COI1PONENT PA...

Page 168: ...VIEW A Figure II AC Box Power Plate Assembly EMEA 3279 Color Display Station Parts Catalog 57...

Page 169: ...PTJON AC BOX POWER PLATE ASSEMBLY US AFEK REF AC BOX POWER PLATE ASM 1 PLATE 1 RECEPTACLE 2 SCREW P ND M3 6 LG 1 FUSE NOLDER ASM 1 GROtlMET 24 MM LG REF CABLE ASM AC DISTRIBUTION FOR COMPONENT PARTS S...

Page 170: ...r 4 VIEWB Figure 12 AC Box Power Plate Assembly US AFE 3279 Color Display Statiqn Parts Catalog 59...

Page 171: ...SCREW HEX WSHR HD 6 19 8 MM LG THD fORMING CABLE ASM DISTRIBUTION FOR COMPONENT PARTS SEE fIGURE 15 ITEMS ITEMS 1 6 9 10 12 14 18 20 22 25 27 29 30 CABLE ASM LOGIC TO VIDEO AND AN 2 FOR COMPONENT PART...

Page 172: ...ID C II Z C W W Ci W W CD po I a C J I ell w cO C C a P 0 P C Figure 13 Sheet I of 5 Cable Assembly 3279 Color Display Station Parts Catalog 61...

Page 173: ...LG LCK W EX TH 4 3 MM ID CABlE CLAMP SCREW HEX WSHR HD 6 19 10 1 11 1 LG THD FORMING FIlTER ASM CABLE ASM COAX INI FOR COMPONENT PARTS SEE FIGURE 15 ITEMS 16 17 26 38 39 CABLE ASM MSR FOR COMPONENT P...

Page 174: ...23 24 16 FOR DETAIL PARTS SEE SHEETS 4 AND 5 14 15 Figure 13 Sheet 2 of 5 Cable Assembly 3279 Color Display Station Parts Catalog 63...

Page 175: ...81272 5881268 1655357 UNITS PER ASM 3279 Color Display Station Parts Catalog 64 3279 2 3 4 DESCRIPTION CABLE ASSEMBLY CONT CABLE ASM MON ATTACH FOR COMPONENT PARTS SEE FIGURE 15 ITEMS ITEMS 2 10 12 13...

Page 176: ...WA 28 DETAIL E NOTE THIS DRAWING SHOWS ADDITIONAL CABLES FOR RPO 7JOO39 Figure 13 Sheet 3 of 5 Cable Assembly FIGURES DENOTE WI RE NUMBERS TO DETAIL D VIEWB 27SEE VIEW A J 28REF DETAILC 3279 Color Dis...

Page 177: ...1 CABLE TIE 32 2114043 1 CRADLE 33 1621197 1 SCREW PHD M4 6 MM lG 34 2114044 1 CLIP 35 1621190 1 SCREW PHD M4 8 MM lG 36 1622346 1 lCK W EX TH 4 3 MM ID 37 1621190 1 SCREW PHD M4 8 MM lG 38 1622346 1...

Page 178: ...40 DETAIL A SHEET 1 Figure 13 Sheet 4 of 5 Cable Assembly 3279 Color Display Station Parts Catalog 67...

Page 179: ...1 2 3279 Color Display Station Parts Catalog 68 3279 2 3 4 DESCRIPTION CABLE ASSEMBLY CONT LCK W EX TH 3 2 MM ID RETAINER CABLE TIE SCREW PHD M4 10 MM LG THD FORMING LCK W EX TH 4 3 MM ID TAPE 110 MM...

Page 180: ...J11 P11 47 48 DETAILD DETAILH DETAIL E DETAILJ 52 DETAIL G DETAIL K DETAIL L Figure 13 Sheet 5 of 5 Cable Assembly 3279 Color Display Station Parts Catalog 69...

Page 181: ...220 so I j AUSTRALIA 240 so NEW ZEALAND 230 so INDONESIA 220 so TYPE MA BROWN 166639 _536 fiG 15 LIGHT BLUE NON LOCK GN VEl JAPAN 200 OlIO TYPE MG BLACK 1743137 1743139 FIG 20 WHITE TWIST LOCK GN YEl...

Page 182: ...20417 NOtHotK GNIYEl SAUDI ARABIA TYPE GQ BLACK FIG 7 USA WHITE 44 302 TW LOCK ON YEL SAUOI ARABIA 220 eo BLACK WHITE GNIVEt SOUTH AFRICA 230 50 TYPE MI B FIG 22 UGHT8LUE 442Ot14 NON LOCK GNIVEl SWIT...

Page 183: ...69 18 2637691 19 2637690 20 1661528 21 2731384 22 2122259 23 1655337 24 1655358 UNITS PER ASM 3279 Color Display Station Parts Catalog 72 3279 2 3 I DESCRIPTION JUMPER CABLE COMPONENT ASM JUMPER CABLE...

Page 184: ...13 15 A I f1M SIMilAR TO 11 W 19 In018 16 20 SIMilAR TO ITEM 6 SIMILAR TO ITEM 18 SIMILAR TO ITEM 23 Figure 15 Sheet I of 2 Jumper and Cable Component Assembly 3279 Color Display Station Parts Catalog...

Page 185: ...7524 41 1847520 42 1847521 43 2122261 44 5275481 45 1655338 46 1655339 47 1655359 UNITS PER ASM 3279 Color Display Station Parts Catalog 74 3279 2 3 4JUMPER D P g ONENT ASM CONT JUMPER I CABLE COMPONE...

Page 186: ...37 38 SIMILAR TO ITEM 41 41 42 45 46 Figure 15 Sheet 2 of 2 Jumper and Cable Component Assembly 39 43 47 SIMILAR TO ITEM 22 SIMILAR TO ITEM 46 40 44 48 3279 Color Display Station Parts Catalog 75...

Page 187: ...2 23 13 47 1743313 8 2 4406233 4 2 1188748 1 13 13 53 1743314 8 2 6 2 1599501 3 34 1622401 13 42 1743315 8 2 4406541 12 2 1608893 15 27 1622403 13 52 1743316 8 2 4409572 11 13 1621173 13 41 1650667 4...

Page 188: ...2 1 4f Z3406 2 11 4420 8l 1 19 423408 2 2 4 20 88 11 6 4423410 2 3 12 6 4 23 37 13 3 4420491 12 REF 4423 62 2 39A 13 1 4423475 13 5 4420492 11 REF 4423ft79 2 19 13 1 4423481 13 17 4420770 2 42 4423 18...

Page 189: ......

Page 190: ...CWo clockwise D A digital to analog DEC decoder 3279 MIM EBCDIC extended binary coded decimal interchange code ECS extended character set EFA extended field attribute EHT extra high tension 3279 25 k...

Page 191: ...s MCM Maintenance Concepts Manual RAM random access memory MHS Magnetic Hand Scanner reg register MHz megahertz ret return MIN minimum ROS read only storage MIM Maintenance Information Manual RPQ requ...

Page 192: ...the 3279 along which the base machine communicates with added features jitter An irregular random repetitive movement of an image on the screen miscoDvergeDce Opposite in meaning to convergenceII see...

Page 193: ......

Page 194: ...larm 6 34 6 35 6 34 assembly removal control removal location 1 7 testing 2 6 4 11 4 2 volume control description 3279 MIM 1 2 badly converged screen waveform 6 3 bar patterns 3 9 base color switch de...

Page 195: ...ions cable 6 19 coaxial cable coil 6 19 convergence coils deflection coils 2 4 6 31 3 6 3 6 5 6 2 3 magnetic slot reader 6 30 selector pen 6 30 connector keyboard 6 29 connectors replacement 4 4 contr...

Page 196: ...re assembly 4 1 6 18 English attribute characters 6 35 error codes 2 11 error log 2 10 3279 MIM 6 26 error log reset 2 10 extended character set buffer 6 35 card 3 11 extended field attribute 6 35 tes...

Page 197: ...yboard lock 1 9 keyboard top cover removal 4 11 keyboard units removal 4 I I keybutton removal 4 11 keylock wrench 1 10 keys control 5 3 keytop puller 1 10 4 11 label CRT manufacturer layout ECS cards...

Page 198: ...ers color balance power cable color coding power good wiring 6 25 power on delay 3 2 power on indicator description power on reset 3 4 3279 MIM 3 6 6 33 1 2 power on off switch description 1 1 locatio...

Page 199: ...ylock 6 1 6 2 grounding location removal 6 18 1 1 4 3 wiring 6 25 2 14 selector light pen cable 6 30 card 3 13 connections 6 30 grounding 6 18 testing 2 8 separator line 1 2 serializer 3 9 setting up...

Page 200: ...ontrol switch 3 1 5 6 31 3279 MIM video output facility 3 9 cabling 6 31 description 1 3 logic card 1 8 output sockets 1 5 6 31 voltages initial check 5 2 power supply card 5 2 ripple 5 2 test points...

Page 201: ...signal 6 5 6 5 vertical sync test p6int 1 4 video clock signal 6 5 video for e signal 6 25 videoJime signa w l vetQfIl 6 4 14Mhz clock signal 6 5 14Mhz clock signal waveform 6 2 7 x trig signal 6 5 wa...

Page 202: ...view and ction if any are deemed appropriate Comments may be written in your own language English is not required Note Ctl lie8 o IBM pnbticatio7 ll are m t stod ed at rife loclition to which titty or...

Page 203: ...REPLY MAil FIRST CLASS PERMIT 40 ARMONK NEW YORK Postage will be paid by addressee International Business Machines Corporation Department 812H 1133 Westchester Avenue White Plains New York 10604 Fold...

Page 204: ...review and action if any are deemed appropriate Cpmments may be written in your own language English is not required Note Copies of IBM publications are not stocked at the localion to which this form...

Page 205: ...S REPLY MAIL FIRST CLASS PERM1T 0 ARMONK NEW YORK Postage will be paid by addressee International Business Machines Corporation Department 812H 1133 Westchester Avenue White Plains New York 10604 Fold...

Page 206: ...SYJJ 0069 J Part 1...

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