Control Data Corporation SYSTEMS TERMINAL II Hardware Maintenance Manual Download

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Summary of Contents for SYSTEMS TERMINAL II

Page 1: ...c CONTf OL DATA I r I CO ORl TION CDC INFORMATION SYSTEMS TERMINAL II HARDWARE MAINTENANCE MANUAL SITE AND SUPPORT INFORMATION 82100083...

Page 2: ...CAUTION BEFORE READING THIS MANUAL REVIEW FEDERAL COMMUNICATIONS COMMISSION REGULATIONS FOUND IN APPENDIX A ALSO ONLY TRAINED CDC PERSONNEL ARE AUTHORIZED TO MAKE REPAIRS TO THIS TERMINAL...

Page 3: ...hanges Manual revised to reflect changes and additions to text and incorporate ECO s 13627 13646 13672 13675 13700 and 13718 01989 2 Address comments concern ing this manual to REVISION LETTERS I 0 Q...

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Page 5: ...shown on the equipment FCO log in the list below Immediately to the right of the series number is on FCO number If that number and all of the numbers underneath it match all of the numbers on the equ...

Page 6: ...MANUAL TO EQUIPMENT LEVEL CORRELATION CONTO EQUIPMENT TYPE SERIES WITH FCO S COMMENTS XA244 A 01 XA247 A 01 01987 3 vi 82100083...

Page 7: ...B xii D 4 14 thru 4 1S A 7 4 A xiii thru xvi A 4 20 B 7 5 B xvii D 4 21 thru 4 2 A 7 6 7 7 A xviii A 4 25 B 7 8 thru 7 19 B xix D 4 26 A 7 20 thru 7 23 A xx A 4 27 4 28 B 7 24 thru 7 31 D 1 1 A 4 29...

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Page 9: ...ditional reference and hardware maintenance information applicable to the terminal is provided in the following pUblications Title Publication Number PLATO Terminal User s Guide 5 Volt Regulator Hardw...

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Page 11: ...aracteristics Performance Characteristics I O Signal Cables Grounding 2 OPERATION External Controls Indicators and Connectors 82100083 External Controls Alphanumeric Keyboard Power ON OFF Switch Brigh...

Page 12: ...trols Internal Indicators Video LED Power Supply LEDs 2 8 2 10 2 10 2 11 2 11 2 11 2 11 2 12 2 13 2 13 2 13 2 14 2 14 2 14 2 14 2 15 2 16 2 16 2 16 2 16 2 16 2 16 2 17 3 INSTALLATION AND CHECKOUT Crat...

Page 13: ...n Programming Memory Structure Read Only Memory Program RAM Display Refresh Memory I O Peripheral Devices Read Configuration Switches Input 00 Load Maintenance Register Output 00 Read Keyboard Data In...

Page 14: ...BFD External Connections Video Controller 7BGD Block Diagram Controller Module 7BFD Block Diagram Oscillator CPU Interface Dot Timing Chain Vertical Timing Horizontal Timing Memory Window Timing Memor...

Page 15: ...Panel Optional Modem Option Transmitter DAA Modem Option Receiver Modem Option Power Ground Decoupling 6 MAINTENANCE Suggested Emergency Maintenance Procedure Before Leaving for Customer Site Upon Arr...

Page 16: ...ormer Procedure 12 Replacing Power ON OFF Switch Circuit Breaker Procedure 13 Replacing Keyboard Assembly and Components Procedure 14 Replacing Operator Pane1 Procedure 15 Replacing Operator Panel LEO...

Page 17: ...28 7 32 7 34 7 36 7 40 7 42 7 44 7 46 7 48 7 50 7 52 8 1 A FEDERAL COMMUNICATIONS COMMISSION REGULATIONS A l FIGURES 1 GENERAL DESCRIPTION 1 1 Terminal 1 2 Serial Word Format 1 3 Long Line Receiver 1...

Page 18: ...ory Assignment 4 29 4 18 Address 8409 16 4 31 4 19 Controller Status Word Format 4 41 4 20 Scan Line Timing 50 60 Hz 4 44 4 21 Frame Timing 50 60 Hz 4 44 4 22 Expansion Module PLATO Interface Signal R...

Page 19: ...mbly Removal 6 47 6 29 Keyswitch Replacement 6 49 6 30 Operator Panel Removal 6 50 6 31 Operator Panel 6 51 6 32 CRT Removal 6 53 6 33 Front Chassis View 6 54 6 34 Touchpanel Removal 6 56 6 35 ouchpan...

Page 20: ...ption Miscellaneous Control I O Expansion Module Pin Assignments Touchpanel Connector AJ3 Internal Keyboard Connector AJ2 Internal MAINTENANCE CRTl DOLT for Display Terminal CRT2 DOLT for Display Term...

Page 21: ...troller internal modem communication line interfaces and terminal characteristics TERMINAL CONFIGURATION An illustration of the terminal is shown in figure 1 1 The following paragraphs discuss the dis...

Page 22: ...s panel located on the right of the bezel contains all of the external indicators and controls except for the POWER ON OFF switch These indicators and controls are described in section 2 TOUCHPANEL Th...

Page 23: ...cess to all the modules of the terminal except for the keyboard touchpanel and operator s panel CONTROLLER The controller portion consists of two printed circuit logic boards the controller board and...

Page 24: ...of RAM for programs basic memory c Provision for 16K 8 bit words of RAM expansion d 2K 8 bit words of ROM EROM for terminal diagnostic and loader program e Timing generation for the display memory and...

Page 25: ...ary FSK modulated signal Receive data rate up to 1200 bps Transmit data rate 0 to 150 bps Line impedance is 600 ohms balanced on unconditioned dial up line Operation is full duplex on a two wire dial...

Page 26: ...r voltage levels are 12 0 V S 3 0 V Mark or OFF 3 0 V Space or ON S 12 0 V Slew rate is 30 V per microsecond or less The receiver voltage levels are 22 0 V Mark or OFF 0 8 V 0 8 V Undefined S 2 0 V 2...

Page 27: ...ong line receiver is basically a light emitting diode phototransistor circuit The sending device should provide enough current to drive the LED to the on state to transmit a logical 1 and turn the cur...

Page 28: ...source and sink current required to match the long line receivers Figure 1 4 shows the typical long line driver circuit ___ LONG LINE 01 XMIT DATA TTL TI T2 AND T3 RS 232 C DRIVERS MCI488 CDC PART NU...

Page 29: ...0 8 V 2 4 V S High S 5 25 V 0 25 V SLow S 0 5 V TERMINAL CHARACTERISTICS The following are physical electrical environmental per formance characteristics as well as I O signal cables and grounding req...

Page 30: ...to 7 OOC MazilllUlll Temperature Grad ie n t 180p h lOOC h Ope rating Rela tive Humidi ty 10 to 90 no condensation Storaqe Re lative Humidity O to 100 no conde ns ation Hum idity Grad ie nt lO h Maxim...

Page 31: ...Parallel Channel RJ2 25 5 ft 1 5 m Serial Channel RS232C RJ3 25 50 ft 15 m Composite Video BNC Connector 500 ft 150 m Telephone Connector 14 ft 4 3 m GROUNDING Mating Connector CDC 53397814 CDC 533979...

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Page 33: ...NTROLS INDICATORS AND CONNECTORS The following paragraphs describe the function of the external controls indicators and connectors EXTERNAL CONTROLS The locations of the external controls and indicato...

Page 34: ...ir initial status t J SOFT CD CD SIX ROCKER SWITCHES CD BEHIND PROTECTIVE LOOP CD DOOR KB TP CD TEST CD DATA TALK SWITCH e DTR e DSR e RTS SIX LEOS e RCV XMT e ERR POWER ON OFF SWITCH Figure 2 1 Exter...

Page 35: ...rminal resident diagnostics as selected by front panel switches and causes a full autoload of the terminal s controlware from the PLATO system Terminal logic is initialized as follows 1 ROM and test m...

Page 36: ...ter Mode Switches These six rocker switches are behind a protective door on the front of the terminal Each is labeled according to its function Several have not been assigned and their settings do not...

Page 37: ...his switch should be used in conjunction with the LOOP EXIT switch EXTERNAL INDICATORS These indicators consist of six red light emitting diodes LEOs The LEOs are set slightly off center within their...

Page 38: ...s the Received Data line after being ANDed with the Carrier Detect and Data Set Ready when the RS 232 interface is used or the long line receiver when the long line interface is used The indicator is...

Page 39: ...1 1 POWER CORD Figure 2 3 External Connectors PLATO Communication Connector This connector is on the lower rear panel of the terminal The pin assignments for the connector are listed in table 2 1 The...

Page 40: ...ong Line Receive Long Line Receive Return Not Used NOTES Green wire Ground 1 and 2 2 Always on Open Must be on to RCV Open 21 must be on to RCV 3 3 3 Open Open 1 4 Open Open 3 Always on Programmable 2...

Page 41: ...h Out RJ2 3 Address line 1 High Out RJ2 4 Address line 2 High Out RJ2 5 Address line 3 I High Out RJ2 6 Address line 4 High Out I RJ2 7 Address line 5 High Out RJ2 8 External write Low Out RJ2 9 Exter...

Page 42: ...EL CONNECTOR PIN ASSIGNMENTS PIN NUMBER SIGNAL RJ3 l Safety Ground RJ3 2 Send Data RJ3 3 Received Data RJ3 4 Request to Send RJ3 5 Clear to Send RJ3 6 Data Set Ready RJ3 7 Signal Ground RJ3 8 Carrier...

Page 43: ...stop the activity of the microprocessor Configuration Mode Selection Switches These switches are on the controller board and are labeled S2 l through S2 l0 Switch polarity is shown in fig ure 2 5 The...

Page 44: ...ol function must be executed in order for the serial channel to accept this new mode S2 7 Forward Reverse Channel This switch selects the RS 232 C channel through which the terminal will transmit data...

Page 45: ...or odd See section 4 subsection Programming for a further explanation of the function of this switch S2 3 S2 4 and S2 5 Baud Rate Selection These three switches control the PLATO transmitter baud rat...

Page 46: ...hout the external CTS no modem In the OFF open position an external signal active is required Video Controls Adjustments The video controls are on the video monitor board Access to these controls as w...

Page 47: ...Power Supply LEDs There are five red LED indicators on the power supply board Access to them as well as their purpose is described in section 6 82100083 2 17 6...

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Page 49: ...ackaged ter minal is 45 lb 21 kg for the domestic unit and 53 lb 24 kg for the international unit To protect against shipping damage always prepare the terminal for shipment using only approved proced...

Page 50: ...EGS ON DISPLAY STATION 3 PLACE DISPLAY STATION WITH END FRAME CUSHIONING INTO EXTERIOR CONTAINER 4 LOCK I BLOCKS IN POSITION 5 SECURE POWER CABLE IN SLITS OF END FRAMES DONT LET PLUG DANGLE 6 CLOSE AN...

Page 51: ...FF switch to OFF proce dure 1 3 If internal modem is being employed unplug the telephone set from the wall jack and plug it into the terminal jack labeled PHONE Using the tele phone cable supplied wit...

Page 52: ...ires on both sides of cable back against cable jacket Do not cut off as inter face configuration of terminal may change in future c Place connector in mounting slot of connector hood and fasten cable...

Page 53: ...nterface In the Off open position disables the inserting and checking of parity bits o S2 7 In the Off open position selects the primary forward channel In the On closed position selects the low speed...

Page 54: ...sed 18 Reserved 19 Receive Channel Request to Send Orange Jumper 20 Data Terminal Ready Yellow Jumper 21 Long Line Transmit White 22 Long Line Transmit Return Green 23 Long Line Receive Red 24 Long Li...

Page 55: ...TlE sntAP j l li CONiTJ C TYPE 5 339 rat7 SOGtEr TYPE 3g 79rr 02 32 T 2 CONHE TOR HOOD NOi PAR OF KIT Figure 3 3 Inte rface Cab e K i t TABLE 3 2 BAUD RATE SWITCH SELECTIONS S2 5 52 4 S2 3 FREQUENCY...

Page 56: ...G per procedure 3 MEMORY EXPANSION INSTALLATION The memory expansion consists of eight MOS type memory IC integrated circuit chips that plug into the terminal video board The video board has all the s...

Page 57: ...sion 6 Apply power and test terminal per procedure 2 NOTCH UP POSITION gg QQ Q CIO 03501 2 Figure 3 4 Video Board IC Locations for Memory Expansion INSTALLATION INSTRUCTIONS FOR OPTIONAL MODEM XA247 A...

Page 58: ...pper right hand corner of the modem printed circuit board this is for proper spacing between the shield and modem board 11 To install modem printed circuit board do the following 3 10 a Position the b...

Page 59: ...REEN WIRE FROM PHONE JACK TI GRN RED WIRE J I FROM PHONE JACK ____ PHONE RI 0 R 5D eCHO MODEM_____ PC BOARD o CONTROLLER PC BOARD 78FD REF CONNECTOR POSITION AJ5 J6 2 TWO BLACK WIRES FROM t CONNECTOR...

Page 60: ...SlOE OUT Jy IMOUNTING HOLE 4 SEE MOUNTING DETAIL l CLAD SIDE OF THE I PRINTED CIRCUIT Y SHIELD MATERIAL II DISPLAY CHASSIS iiiiiiiiiiiiiii 11 MODEM BOARD lOISPLAY CHASSIS LPRINTEO CIRCUIT SHIELD STAND...

Page 61: ...res going to the board mentioned in steps 13 through 16 18 Install a identification plate on the modem printed circuit board in a approximate location shown in figure 3 5 19 Update equipment identific...

Page 62: ...er to section 6 NO REPLY Indicates that the terminal has received no response from the PLATO system The termi nal continues to solicit a response from the PLATO system approximately every 4 seconds un...

Page 63: ...ng messages NOP No operation Indicates that the communi cation link between the terminal and the PLATO system is down Refer to section 6 NO REPLY Indicates that the terminal has received no response f...

Page 64: ...16 5 To disconnect the terminal from the PLATO system sign off system hang up telephone handset and set the DATA TALK switch to TALK 6 Turn off terminal by setting power ON OFF switch to OFF 82100083...

Page 65: ...oller Communication Interface Internal Modem Operators Panel Touchpanel Power Supply Video Monitor Keyboard CONTROLLER The controller portion of the terminal consists of two printed circuit logic boar...

Page 66: ...TION I L ___ J CLA COMMON INTERFACE LOGIC I I O I MEMORY zeo MICROPROCESSOR INTERFACE fi ME MORY CONTROL v 2K 16K 16K 32K RAM VIDEO EROM RAM RAM REFRESH LOGIC OPT DISPLAY r ASSEMBLY J I AC ENTRY IPOWE...

Page 67: ...ddresses 000016 through 7FFF16 are dedicated exclusively for program storage The controller is the only user of this memory The refresh memory addresses 8000 16 through FFFF16 contain the information...

Page 68: ...STROBES TIliNG L CONTROL ADDRESS OUT 00 15 Z BO I PROCESSOR CR20e 1D 1ROL INTERRUPT l IAIT RESET I CLOCK CR200 y A DATA BUS II OIIEC CI20I DATA 00 01 1S RS 232 DATA ITR CR201 212 RS 232 CONTROL CR203...

Page 69: ...000 32 00 80 A 8000 3 9000 32 00 70 A 7000 4 9000 32 00 80 A 8000 Case 1 All addresses in program memory Execution time 13 states 1 wait 14 states basic program memory 3 5 microseconds Case 2 Program...

Page 70: ...ing a 2l bit word is a logical 1 it is interpreted as a Start bit and 21 more bits are clocked in If after 21 bits the incoming data is a logical 0 the receiver stops in Search mode until the incoming...

Page 71: ...error is noncumulative Contain bit times whose levels are stretched or shortened by more than 40 percent of the nominal 833 microsecond bit duration 1167 to 500 microsecond duration Data Assembly Tra...

Page 72: ...YTE f DATA cL oR 14 15 16 BUS 7 6 5 4 03338 THIRD BYTE Figure 4 4 Receiver Data Transfer PLATO Transmitter 11 18 19 20 11 18 19 20 3 2 I 0 The following paragraphs describe the PLATO Transmitter word...

Page 73: ...Space AJS 6 TTL TTL high TTL 1 RJl 2 RJl 14 RS 232 C Mark AJS 6 TTL TTL low Word Parity The transmitter logic does not generate parity Data Rate The transmitter can transmit at 7S 120 and 1200 bps Da...

Page 74: ...n the board con nector AJ5 9 is a RS 232 C On or a TTL high Request to Send Both the forward channel RTS RJl 4 and reverse channel RTS RJl 19 are always in the RS 232 C on state as long as the termina...

Page 75: ...ssor as a Status bit Carrier Detect This signal from the data set is passed on to the processor as a status bit Data Format The send data and receive data serial information is asyn chronous Figure 4...

Page 76: ...rmat Timing 03342 Figures 4 10 and 4 11 show the serial transmit and receive timing respectively RESET LOAD DATA CHAR REQUEST RTS CTS SERIAL OUT ____ n __ n ______________________ u __ 1 f tL __ 11111...

Page 77: ...s a constant CTS signal enabling transmission without the external CTS without the modern An active external signal is required when the switch is in the Off open position Parity Enable Inhibit Switch...

Page 78: ...most significant bits of the 8 bit wide data bus that is the data bits to be transmitted have to be right justified Before trying this command the processor or the system must ensure the character req...

Page 79: ...t how many Data bits are transmitted in each serial character or expected in each serial character received Table 4 3 shows how the selec tion is performed TABLE 4 3 SERIAL CHANNEL WORD LENGTH SELECTI...

Page 80: ...transfer Read Serial Status Input 06 This function transfers status information from the serial interface to the proces sor The status word is as shown in figure 4 12 1 INTERRUPT PENDING 1 CHARACTER...

Page 81: ...e generated by the receiver Framing Error No Stop bit was detected in the Stop bit slot of the character Lost Data A new character was received and transferred into the Receiver Holding register befor...

Page 82: ...oltage levels on the parallel channel are TTL compati ble and defined as follows Terminal output Data Lines 2 0 V to 5 25 V High 0 0 V to 0 5 V Low Terminal input Data Lines 2 0 V to 5 25 V High 0 25...

Page 83: ...ernal Output active indicates that the data is on the data lines and stable and the device defined by the address lines is to act on it External Read When active this control signal driven by the term...

Page 84: ...on the bus can start sampling the address code and the device that matches it can start conditioning the external ready line The External Output signal goes active low 250 nano seconds after the Exter...

Page 85: ...pletion of the cycle was due to a device activated External Ready or a timeout condition the driver routine for this interface should have a check of the status bit immediately after the output instru...

Page 86: ...ssor places the address on the bus shown by drivers going from tristate floating to bipolar state Fifty nanoseconds later the External Read signal goes active low At this time the devices can start sa...

Page 87: ...selection jumpers on the controller board that have been individually opened or left shunted as required to establish a unique l6 bit terminal identification 10 code Under program control this 10 cod...

Page 88: ...15 External Input or Output Timing Timeout Condition VIDEO BOARD 03341 1 The video board provides timing and memory capabilities to support the controller board and the display module A block diagram...

Page 89: ...8 RGTR i 1 v 4 EYEN LINES CRIDB CRIIO CRII I MUX I I I BLOCK IR ITE I B B PROGRAM V MEMORY L 16K X 8 f V 16_J2K f 7 OPTI DNAL CRill t I I LOIER J2K CRID7 1 8 L V r f V PROGRAM MEMORY 16K X 8 D_16K CRi...

Page 90: ...program residing in memory and executed by a Z80 microprocessor LSI chip State time is set at 250 nanoseconds The following paragraphs discuss the memory structure Memory Structure Figure 4 17 shows t...

Page 91: ...expansion can be added to obtain a total of 32K 8 bit words of RAM Starting address for the basic program memory is 000016 and final address is 3FFF16 The first address of the memory expansion is 400...

Page 92: ...registers to sophisticated LSI functions Their operation and responses are described in the follow ing paragraphs 4 30 Display As seen by the processor the display is nothing more than a portion of t...

Page 93: ...Increasing the column address by one is equivalent to selecting the next column to the right Each address uniquely selects a group or set of 8 bits dots Selection of a bit or bits within this group i...

Page 94: ...s A14 A09 21 8 2 Remainder 5 A14 A09 00 0010 Data Bit 5 By dividing the X coordinate by 8 it can be seen that the integer result defines the column and the remainder defines the Data Bit to be used in...

Page 95: ...eans of I O instructions These instructions perform functions such as transfer data control parameters and status informa tion The secondary byte of the I O instruction defines the device function wit...

Page 96: ...der these conditions is received by the same processor that is now able to compare the data integrity It also controls the source signals to drive the front panel LEOs In Test mode the processor has c...

Page 97: ...1 03 0 Bulk write erase video enable X X 0 X 0 1 0 0 04 I Read upper ID X X 0 X 0 1 0 0 04 0 Load interrupt mask X X 0 X 0 1 0 1 05 I Read serial data X X 0 X 0 1 0 1 05 0 Miscellaneous control X X 0...

Page 98: ...nt or after receiving a touchpanel interrupt The data format is as follows This word defines 1 of 16 X columns and 1 of 16 Y rows 1 of 256 locations The ori gin X equals 0 Y equals 0 is the lower left...

Page 99: ...com posite video interface if previously disabled without affecting the display memory contents This function with Data Bit 2 equal to 1 initiates a hard ware write or erase of the complete refresh di...

Page 100: ...ware blocks all except the one that has the highest priority Table 4 7 shows the data bit assignments priorities interrupt sources and inter rupt vectors TABLE 4 7 INTERRUPT DESCRIPTION PRIORITY SOURC...

Page 101: ...errupt is generated by devices external to the terminal and connected to it by the parallel channel Long Interval Analogous in operation to the short interval but the time between interrupts is set to...

Page 102: ...d then it can be software controlled Data Bit 1 set to 0 turns the signal on and Data Bit 1 set to 1 turns it off Data Bit 2 Hardware Flag This bit controls the state of a flip flop that can be read b...

Page 103: ...o transfer them to the processor The processor should remove this byte by executing a reaa communication line func tion which transfers the data and reset the status bit This signal also generates the...

Page 104: ...es This bit clears automatically at the beginning of the next external I O cycle and sets again if it fails Data Bit 6 RESET Switch This bit carries informa tion on the status of the RESET switch a 0...

Page 105: ...ltage levels Vout 0 0 to 0 2 V sync level Vout 0 5 to 0 7 V black level Vout 1 5 to 1 7 V white level The video information is digital black or white with no intermediate gray levels The maximum data...

Page 106: ...29 216 uSEC 34 23 KHZ Figure 4 20 Scan Line Timing 50 60 Hz 1ILJLJLJlJU LINE51IY 7 LINE 512 1 tD3 60HZ 50 HZ LINES m SEC LINES VIDEO WIDTH 512 14 959 512 t 03 VIDEO SYNC DELAY 19 0 555 73 t SF FRAME...

Page 107: ...nal interface Figure 4 22 shows the actual wiring of the PLATO interface signals and expansion module signals The signal descriptions are as follows Power and Ground Power available for the optional a...

Page 108: ...roller I 8 Data Set Ready Controller 9 Carrier Detect Controller 10 Logic Ground 11 12 V 12 Logic Ground 13 5 V 14 Logic Ground 15 Undefined RJl 9 RJl 9 16 Undefined RJl lO RJl lO 17 Undefined RJl ll...

Page 109: ...O SYSTEM RJ I 03H3 TO FROM FRONT PANEL AJ4 Figure 4 22 Expansion Module PLATO Interface Signal Routing Transmitted Data This signal is the output of the PLATO interface shift register Levels are TTL c...

Page 110: ...symmetrical squarewave 50 percent duty cycle 20 percent at TTL levels INTERNAL MODEM This module is a l200 bps Receive ISO bps Transmit PCB modem and data access arrangement DAA The module con tains...

Page 111: ...s of the signals listed in table 4 10 The 16 Y signal lines are connected to the 16 touchpanel rows on the mylar of the touchpanel assem bly The 16 X signal lines are connected to the 16 touch panel c...

Page 112: ...ower supply is designed for 110 V ac 50 60 Hz input power For 220 240 V ac operation a transformer is placed between the ac entry and the basic power supply to allow for commonality of parts Input pow...

Page 113: ...and S V Indicators These three red LED indicators in the power supply show the condition of the 12 12 and S V outputs of the power supply lit when energized off otherwise These outputs are not adjust...

Page 114: ...t he form of displayable data control commands and or informa tion to be passed on to the central computer so NOTES 4 52 1 Each key hastwe d i fetlMf i ft h _ numla below th b_ il th input_en a il pr...

Page 115: ...e controller via the Strobe signal logical high when at rest logical low when depressed If a particular selection count results in an active Strobe reply logical low then the controller logic 1 Delays...

Page 116: ...The SHIFT key is just a modifier to the 6 bit code gener ated by the counter This key is connected directly to the interface and passed to the processor as a seventh bit 4 54 b 82100083...

Page 117: ...15920 I 2 DIAGRAM NUMBER 01784 In the diagrams that follow the logic drawing set number refers to the entire set of diagrams while the diagram cros reference number identifies the specific diagram The...

Page 118: ...R 100Ul OBFD EIIERNAL CONNECTIONS A VIDEO CONTROLLER 111 0 BLOCI OIAGRAI A CONTROllER 100ULE lIFO BLOCA 0IAGUI 1 OSClllAlOR CPU INTERFACE J DOT TiliNG CHAIN f VERTICAL TIliNG II HORIZONTAL TIliNG IUOR...

Page 119: ...NG lIN R CEIVER RS232 ORIV RS AND R C IVERS PLATO REC IVER LOGIC SERIAL 8AUO RATE lUI TOUCNPANEl CONTACT DETECT SERIAL CHANNEl UART LONG LINE DRIVER TOUCH PANEl LOGIC I SCANNER TOUGH PANEl LOGIC I SCA...

Page 120: ...T 100ULE LAYOUT THESE ORIiINGS DEPICT THE COIPONENT SIDE ASSEIBLY OF THE TID LOGIC 100ULES DIAGRAIIEO IN THIS LOGIC SET THE ALPHANUIUIC CODES AR THE 10TTOI OF THE SYIIOLS ARE THE PHYSICAL LDClII ON CO...

Page 121: ...INOIC l THll THE SIGNAl IS COMING fRO OR GOING TO ANOIHER SHEET OF THE SAME 10 RO NOTE EACH SIGNAl NlIE IN THIS LOGIC SET HiS BEEN PRECEDED BI A INDICATING CTIVE HI OR INOICllING N CTIVE LOll 004 CD I...

Page 122: ...lE I ASSI P N 61401441 2 3 __I 50 HZ UNI TS ONl I nRVOl TAGE ClIlI ASSI PIN 11408023 lIfO CONTIOlllI OOUlE CI III 200 211 ASSEIIlI 1114411 01 3 All P4 14 lOGIC SIQlAlS ClIlE ASSElllI P N 11401025 CR N...

Page 123: ...6 2i HO IDO 51003092 03 jJ Rl1 I 3 R53 I 3 82100083 CRII IN5615 R14 21 R15 46 4k 1 Ril t SOD 2 R12 5 6 ____ OO l ______ N O _l1 2 005 R13 I J 01 Cl0 0 1 C 01 f 3 CI t f I_c Rt 13_ i1 f _ L k Ii A N rP...

Page 124: ...70 2 r1i 1 Alf C25 170 F 2 1 C 1 L_ _ 1 j 11 15151583 5Y o 003 003 5Y 003 12Y 003 R31 200 10 CR21 l5 t 11 5021110 I 31 J C2I l C27 g 05 1 5600 Ul UI l 12Y 170 910 B la 5600 l rrrn r 12Y C CR20 CAli I...

Page 125: ...2 113 I2Y JZ 13 38 13 I JZ 1 12 31 14 GROUND 2 00 a u IS 1 36 t 1 1 AIO ZC 16 3S 8z 17 A09 34 a A08 0101 II 33 loll GROUND OX 19 32 _101 N 20 07 31 N 21 A06 30 IOS 29 22 23 104 28 2 103 27 2S 02 26 26...

Page 126: ...1 CR NO 005 GROUND I 3 4 LINE IN I VIDEO VIDEO p CONTROLLER 2 8 18GO I ROUNO 10 CR NO 100 116 5 GROUND 6 f 1El0 SINC 9 8 5V 5 10 lEI 2 4 3 3 IR I HTNESS L AI 2 IR IGHTNESS lR lOOk I IAISMTNESS LO 8A I...

Page 127: ...IIU IIOi T I IJ MI D 1 tn 1 1 1 1 SfIIlttl 3 2 U I In II r ____________ _____I II tiM ft llli IN co OI In c t I n J II I I 1 I CO n I flltA 1 I I I 1 1 ________________________________________________...

Page 128: ...RS 232 DTR 0 737 CAR Oil Q 5 12 R Rl7 7 3 4 5 6 1 u CI NO 600 601 100EI IOPT IONAL z L UNliSTED PINS ARE OPEN I UNLISTED PINS AlE aQUIIIED 1D 11 12 15 16 11 11 21 22 23 24 13 RESERVED FOIl 51 DPTlIl1l...

Page 129: ...0 CRII I T UPPER 32K J 1 REF REFWESH J lEI HOLD IUORY RGIR 18K I 8 VEN lIN S CRII 0 CRill PROGRII IUORI 16K I 8 l8_12KI OrTIONlI CRII I f 101 R 32K I 1 PROGRII IUDRI 16K X 8 I ill 0 16KI CRill Rill IE...

Page 130: ...STROBES I TiliNG L CONTROL ADDRESS OITA OUT OD 15 lO Oll Z IO p PROCESSOR CUOD IIJIITIIIL IN 3 INTERRUPT l IAIT RESET I CLOCR CUDO u 5 14 J J r r r c RS 232 DATA IITR CR2D 212 RS 232 CONTROL CUOl 212...

Page 131: ...9 4 S 113 l t _2CO ms t t Lt C 8121 L R E I I T t r I NIR p ______ I E OR Y I IT ___ 200 SY tR2M I C6 81 1 L c GTRJ S20LS 1 REIO 4 II 2 lR IT r O _ _r C O__ R IT E 1 REFRESH 13 rco I51 t R ftlC1Y LEt...

Page 132: ...A 102 I II S l 6________________________ PO RE S ET AJ 610A 106 lOB I S ____JI O s l1l____ 13 GlOB GJ 243S 12 G Gil r 1 I Tl 44 T P K 102 51 S I 6J lUS G Gil 103 102 ri GK 6 T5 j I r l RR 6 lH AH 113...

Page 133: ...0 64 O 13 2 2 0 I 16 A255 j 6 CHTR l kJ L tp J 10 15 S 13 5 J3rJ GI f 520lS 2W C _rn 12 CO f5 10 r I 11 23 9 I 5 rn i I 2 1 R Af 10 m Af II 1 4 CO 2 4 sst O 115LS L I e f4A 6 I K1 3S 8 9 fl0B R RCTR...

Page 134: ...2 U C 1 1 2 1 R I J I r l riCO r 4 CD 13 p It 16 CNTR l I ILS f I 2 l I 1i 12 1 R L UNILAN T4 CT2 T6 CTI TT CTD UNLESS OTHEAWISE NOTED ALL CIRCUITS ARE PAAT OF lBGD BOAAD u 5 18 I ItILS 10 EJC l r f...

Page 135: ...8 100 tiED LATCHED 100 REf CTCLE REF CTCL 100 I M ACTI VE iOO Al IDO 100 AU 100 113 100 All lll 100 V RO NABLE BJl NLESS OIH RIIS NOTED ALL CIRCUiTS AR Q 82100083 m i 0 OA 105 C v C Z LOAD 000 BiTS 10...

Page 136: ...WCf 112 0 Bl1 1 10 00 0 112 0 Bl1 10 r Jll l 005 0 11 112 Bl1 N N 112 1 4 112 112 Bl100 112 UHBL HK VIDEO 1 103 BH 146S flB L SINt I 102 BfBs L SINt B12 4 005 m 3 005 5V r 5 121 50 HZ i4 33 GIS 81 60...

Page 137: ...II CD 1l5LS 13rJ C I5B 8 12 1 I f R 14DLS II 13 AID K I f CA BI i 4 I 6 UB IRITf l09 13 2 I DEIUI 525LS C6 c lEI ACT Ii I I I RGF l15 2 I PROC 01 CICIE 15 3 2 h7 I Llli I 10 0 c9 3 B70 UOLS 8 9 B7C O...

Page 138: ...J ll s r 100 TI 1 13 14H 1L 2 __________ I H _ _ IDH 111 l 4 PII 05 U 3HI I r _ Dl 100 III III Til III Til III 111 7 PII DC I U J yl i H 1 2 r iDiDA III 100 100 100 100 100 100 100 100 100 100 100 10...

Page 139: ...PIRI Of TBCD BOARO c 82100083 9 10 11 10 01 U 01 1J 01 12 OA 1I 109 I I 1 109 01 109 u 109 rr Cl LU Z IE Cl LU rr 01 07 109 01 11 1 rr 01 109 11 1 0 0 109 LU IE 109 rr LU 0 IE 0 J JQ Q 01 OJ 11 10 10...

Page 140: ...7 OU 0 101 DJ 04 I 1 fC 101 ill a 105 4f3 100 I 1 3 E DIIO I 2 I s ___________________ D I D 3_ FO 101 01 03 10 110 110 f S____________________ 0 A D 2 FE 110 101 1 11 0 100 i 103 3 100 111 2 101 EE I...

Page 141: ..._ _ I I06 i f Eili O lo 0 ___________________ 11 I06 T D O _____________ I06 0 03 _ 1I 106 O i __________ 1 I06 icCii _7 _ 1 I06 f CjS _ Oc I C O O 82100083 01 0 Ji D OJ 0 1 _illL NOTES 01 01 0 0 tV l...

Page 142: ...1 06 __ 3 _ t Cl 0 8 1 005 _ 1O f WlU 096 lIL 0 I I H lCC 2 00 20 8 I OJt 2 t t F tt DG 1014 01 6 C10 511 O t l tt n C O 256 DO 128 6 1163B3 L 1 lt T ltll 1 1000 1 00 ciii roI P I R7AS L 0_____ J ____...

Page 143: ...101 05 ROI O 101 03 ROI 02 ROM 01 tRO DO PI OUT 07 PI OUT 06 PO OUT 05 P OUT O PI OUT P OUT 02 A PI UT _O PI OUT 00 UNLESS OTHERIISE NOTEO ALL CIRCUITS ARE PART OF A 78GO 80ARO CJ 82100083 r If I D F...

Page 144: ...1RCU11S ARE PARI Of 78GO 80 RD Q o 5 28 119 lCYR r LSH5 18 a U _ J 18 f L f 16 5 t 15 r 1 8 f 12 I II 9 t 11 L RS 680 U 01 A5 51 5Y R6 II A2 II 0 BUS Q7 0 iUS 06 0 iUS 05 0 iUS O 0 BUS 0 0 BUS 02 0 iU...

Page 145: ...9 011 E18 II B CIJ cle CI5 CII Cil 01 01 01 01 Ot 11 B5 11 19 III Cll ClI C19 CtO 01 01 01 01 012 014 016 1 13 C59 C60 C61 C62 en 01 Ol 01 o Ot G6 GB 10 GI2 GI4 C95 C961 C91 ctl cn 1 1 1 1 I Oil 015 E...

Page 146: ...n n n n nL __ l n 15 n ___ In n n n n __ n 16 n __ n n n n n n fL c 11 I n __ n n n n n n fL CI 0 CT I CI 2 CI J CHARACTER COUNI I I B SE 01 SURI fl n n n n n PROCESSOR IINOOI OISPlAV lEI CYClE W PROC...

Page 147: ...m 1m I 0 I 1 3 t 611 Im 1m Im I 0 I IT 1 3 t I 3 2 lINE TIlING I80 161 161 163 I6t 16 as 161 168 169 110111 111 III 11t 1 1 116 111 1 16 119 I60 I81 181 I83 18t II I66 I r I II II I I I I I I I I I I...

Page 148: ...IES OM CIS 01 DATI OUl DIU lilce r lOAD EVEN 911S J l l I I I I 3 I I I I I I I I I I I I I 2 1 1 I II II II II II I I I I I lJlfU1JlflJlfU1 I _ I II 1I r l r l ___ __ e x e x x x x x _ e x X r l __ r...

Page 149: ...083 cs _ l S 2 i 3 22 S A 1 A 14 B 11 2 A17 1 1 0 110 39 An L 18 A08 31 A01 t 36 A06 1 10 3 0 l 3 101 132 AO 31 tADI IJO AOO Si 1RA3 10 1RA2 10 21 11 a REfRESH O I oRECUEST 19 MOR RE aUf S1 22 IR lIE...

Page 150: ...IQTES L1 CONTROL 8LOCK INPUTS ARE SHOIN ONLI ONCE BUT ARE CONNECTED IDENTICALlY TO ORV LOCATED AT 03A 038 AND 06A UNLESS OTHERIISE NOTED ALL CIRCUITS ARE PART Of A 7BfO BOARD u BUS CKNOILEOGE 8 NOT US...

Page 151: ...RR I R OfT T Ifl RIA 04 6 14 5 101 tiD 5 15 4 _10 04 1 3 INl4 2 1 80 04 3 1 tt 1TE RHA l SI 05 4 0 4f I U 80 READY SERlAl ERROR 1 l SER IAl 03 14 5 15 10 11 15 Cll 10 1 PA 2 3 g 2 80 03 3 1 ElTER1 l S...

Page 152: ...g L l I l 13 D EJ Ims FI5 7 I 6 5 2 I 14 I L 1 INTAC I INTACK RUD 1 0 CYCLE ElTERNAL I 0 INTERNAL 10 READ CD_ LI ME INTERNAL READ 0 7 TO II 13 5V A3D 1k 1 81 fl4 J 10 14 2D4 _ 8 ElT OUTPUT 9 ill J 5V...

Page 153: ...SS DO IJ2 2 L J 006 R21 H CIS J J 1 Gl 12C020 f _ CD CI4 14 IS DnUl _ __ r i I I CLEAR RCVR CI 212 SmS U I DI4ll4 I 1 I lHTERNAL READ 0 1 1 1 6 _ 1 S DAD ED TI WI L L RESET W riA DOl on 005 004 if OOl...

Page 154: ...S 2 I 0F 209 _ _ _ _l S3 E I0 R12G Rm R120 R121 10k llIk IIIk 10 E E R220fR2l1 R121 100 100 llIk I 8 III I 8W Ell II II R23 IIlk 1111 Oil 9 I 8 7 I0 00 _ cr _r r__r _r _r O In r_ 1 _ L _r t_ _r t_ r_...

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Page 156: ...fO IOARO u 15 C2 I G L e jCI SR I 541lS FI C20 12 13 14fffi 3 4rcw S CO 175lS 1 C SA I R I S I CO 175lS If C 98 R So 14lS39 I 7 I 1 I 1 B 74lS39 1 7 R 1 1 zJLJ CO II t CD CD 16 CNIR l 15BlS G3 l 1 2 U...

Page 157: ...C I Z 2 Re t DATi IN CI Rev DaTA 110 0 lOS u ta JB J 101 12 I r Zo I PULL UP I R32 FL 20S la 201 XlT ClOC I fl 101 5 XIT DATI XIT 00 101 EN 10 IN 209 212 5V 0 RI9 1k G5 PUll UP I R19 IP 200 209 CI J...

Page 158: ...__ S IO T O 006 C J LL J CI TOGGLE TEST S IICH lOuF H lOuF 10 10 100YOC 100YOC Gl G4 DSA PLATO CARAIEA DETECT JC 101 I 10 EIT CLOCK 146S Fl IDS EllE Il I 116LS rt ElBA III r All Ik GIB 1 c J 7 1 LS lI...

Page 159: ...15 I I 10 CLOC REIYNe 1 6LI OIlE 4 CO 5 20111 6 CO f 14e CO 1 6 CNTR l 15111 fl7 P 1 LIl I C L 1 2 R 4 r f 175LI filA I J 6 4 218LSL 6 EOGE DETECT iN EI9B OAT A R I IR 8 _ I 11 52111 RGTR I f2 3 tn4...

Page 160: ...S 5 GZ 1 1 CD CD CD J16 CNTR l lSBl All PULL UP 0 G2 F Gl 1200 HZ 2 C L I 2 1 GI R 20l 0 N 2 u W x i W u a c Z 109 III 0 JW Z a Wu 5 N IT lOB R3 6k I18 t y C2J lluF CONTROL STROlE 817 14 IS 1 CE 2 rlf...

Page 161: ...II YR IIGlR FUll RCVR RGTR FUll 19 CONNEC1 ReVA RGIR CUl SER RClA DATI RC RGTR 8 I SERIAL 07 SE 06 RevR AGTR 1 SE I P RClA RGT 6 1 RClI RGTR I 8 S FRll D I RClI RGTR SEA Ill DJ RCVR RGTR 3 I 01 RCVR R...

Page 162: ...9 8 T PANEL 07 T PANEL 06 T PANE L o T PANEL 04 EN CONTACT T PANEL 03 T PANE L 02 T PANEL 01 T NEL 00 v _L iR5 M1 R54x 47 47 47k WW I 8W I 8W Ilew A I I 14 X 14 12 X 13 X I 2 X II X 10 9 8 5v r54 R540...

Page 163: ...12 g 12 g III III A14 1111 1 II lIE 500 aJ3 IP Y1D 11 I A14 10k I II lIE SDD lJ3 IP Y9 10 m lJ3 IP va 114 10k 1 II 10 580 lJ3 IP Yl RP til I 12 IP Y6 All 10k II B2 SOD lJ3 10 IP YS 111 10k 1 II B2 SO...

Page 164: ...I lnlS SPICIfIIO POIU 110 GROUIII PINS Of III1G IO CIRCUIIS III S lISI O IIlOI l I PIN INI IO cns PIN I 5V PIN I GIIO II PI 1111 10 cns PIN II 5V P I GIIO 2 PI IllIGUllD CIIS PIN 2 5V PIN 12 GIIO 12 1...

Page 165: ...UORY lCT IYE IEMOR lilT C CLE TlPE PM STiRT PI RII PI CII PI DITI OUT 01 REQUEIT I 01 REOUEIT 0 PROC OM C CLE OM RII 01 CII 01 OITi OUT OIT llTCHEO I OITl IITCHEO n CLEIR III T 0111 BUI 4 3 2 1 JU1JlJ...

Page 166: ...iiLiLC L13C I jjl I IlI5 I 1 l3 I TII C LASI 811 ___________________________________________________Jr l ___________________ SHifl REGISTER 31 1 5 I 61 IOJ 12 J CoMMUN ICl 1ION Rlloy ______________ L...

Page 167: ...I ir r I 1 I 1 I __ r_l ____________________________ __ r_lL__________________________________ 1 I 777 1 n n __ ________________________________ I I_______J L _____________________________________ 1 I...

Page 168: ...ERNAL SI 05 I 205 0 UURHAL SI D A 4 17 205 0 EITERNIL SI 03 A 4 1I 205 0 EITERNAL SI 02 A 4 15 205 0 EXTERNAL SI OI AP4 14 205 TALK OAT l D OAU TALK 0 3m 2 CRI I CRA I CR2 L RI INCLUOEO ON SSEIBL 1 LL...

Page 169: ...KBO 06 a Cl Pl K 0 0 Pl KBO 03 III W STROBE rfl L 206 L __ __________________________________________ _______________________________________ S H IF T 206 Q 82100083 8D0 GJGJ 2J 00GGGG G66 000000008...

Page 170: ...1 EP I U 2121 EPl 14 16 0 2121 EP2 22 15 N 2121 EP 14 N 2121 EP1 14 13 2121 PH8 12 2121 EP2 30 II 2121 EP2 32 XO 115 213 YU 213 113 EP2 5 213 Yl2 EP2 213 III EP2 9 213 II 0 113 c 19 3 213 YB 5 213 YJ...

Page 171: ...Z 0 N 0 c c zo 2115 t Il a Ow t t w o OCll z c a t IP I lin D 56 TO D 14 Rl1 1 O _1 601 III 1 8 LOSS Rev sial GAl N 111 0 2810 0 44 VNBo IfIR RCV 0 004 TO 0 2 VIC IITK IIIR Off OAU AP TILl C6 01 15V 0...

Page 172: ...II 10 0 C31 01 A60 10 O RI7 c U4 I 00 A PA A42 36 5 7a8 AT 2100HZ 13aB AT 1300HZ AII 20 O CA6 RII 20 O R43 402 R62 10 0 CR7 A69 10 0 z o a w Q 0_ 2 wW oa o 2 10 O CR9 CAa 3 OVOC AT 2100HZ o OVOC AT 17...

Page 173: ...RiTEO CIRCUITS ARI AS lISlIO IIlOI U PIN INlIUATlO CUS IN U 5V PIN 1 GNO 16 PIN INTEGRATEp CUS PIN 16 5V IN I Gtf J l PIN INlIUATEO CUS IN b 5V IN 4 GNO 2 uNLESS OTlJEti1WISE NaTW ALL DIOIXS TO SE PIN...

Page 174: ......

Page 175: ...MOS circuits Diagnostic and Corrective Maintenance Procedures describes procedures to be used to diagnose and correct a malfunction Diagnostic decision logic tables DDLTs are used to identify malfunct...

Page 176: ...an error in operating procedure rather then equipment failure is probably cause of malfunction and notify customer of correct operating procedure 3 If a site maintenance trip is required CE should tr...

Page 177: ...he RAM test is run the terminal displays a pattern of white vertical lines written from right to left across the crt If the crt alignment keyboard touchpanel test is selected the test concludes with t...

Page 178: ...haracter request status does not drop after low order bits are output to the interface Character request status drops after the high order bits are output to the interface First byte flag is set Start...

Page 179: ...of the hexadecimal code received from the keyboard These keyboard codes are defined in the IST II Hardware Maintenance Manual This binary representation is made up of long bars binary Is and short bar...

Page 180: ...f J 00000000BANK 2 DISPLAY 00000000BANK 3 MEMORY fi t t t t t BIT BIT BIT BIT BIT BIT BIT BIT L J 0 t 2 3 4 5 6 7 18 17 16 15 14 13 12 II 10 9 8 7 6 5 4 3 2 FRONT PANEL LEOS DTR O BANK DSR V RTS 8 RC...

Page 181: ...ics to exercise the PLATO terminal Some of the available options are a pattern test character tests and a keyboard touchpanel test DIAG can be used with any terminal The user can access le sson DIAG b...

Page 182: ...he bezel 3 Wipe exterior of the terminal cabinets using a damp lint free cloth Reapply terminal power procedure 1 and verify correct crt alignment as follows 4 Set KB TP SKIP rocker switch on operator...

Page 183: ...touch powered on elec trical equipment and chassis frame at the same time Before touching with hands and or tool or handling any circuit connector cable or logic backpanel always touch hand s and or...

Page 184: ...re equipment design does not permit this approach to a replaceable part or component The tables present test setup and reSUlting symptom information in a logical organized manner and where necessary t...

Page 185: ...the answer to the associated condition is irrelevant that is the answer may be either a yes or a no without affecting the result In using the tables the CE should look for a match between the Y and N...

Page 186: ...oted Qbling p ocedvre 40 Replace if required procedure 41 4 2 2 2 3 Refer to c 1OX matttJOl 5 4 4 3 4 5 3 3 3 Check 17 volt power supply procedure 36 1 Check for 17 V de between ground and control boa...

Page 187: ...use In the figure 6 2 also notice that some of the sequence columns contain only an X The X indicates that there is only one possible action to take As an example the X in the situation 11 or Other co...

Page 188: ...respective page numbers ARRANGEMENT OF DIAGNOSTIC AND CORRECTIVE MAINTENANCE INFORMATION The arrangement of the diagnostic and corrective maintenance information is shown in figure 6 3 1ST TERMINAL T...

Page 189: ...WARNING LETHAL VOLTAGES EXIST IN THE CRT ASSEMBLY USE EXTREME CAUTION WHEN PERFORMING INTERNAL ADJUSTMENTS OR SEVERE PERSONAL INJURY OR LOSS OF LIFE MAY RESULT 03516...

Page 190: ...resent in a particular terminal configuration skip to the following table or tables and continue in this manner until all applicable tables are completed START TROUBLESHOOTING AT BEGINNING OF NEXT PAG...

Page 191: ...N E R Does video or raster fail to display on crt y ACTIONS SEQUENCE Check ac power cord and whether si te power is available 1 Replace ac entry assembly procedure 11 if line filter pin 4 has no volt...

Page 192: ...board procedure 9 N Y R ACTIONS SEQUENCE Check display PC board connector connector to power supply board and yoke connector 1 1 1 Check 55 V on display board procedure 9 If measure ment is less than...

Page 193: ...ith Flocd Screen switch procedure 22 Is entire screen illuminated N Y Y E Load memory with ones and zeros procedure 22 Does crt R respond y N ArE ones and zero displayed correctly No picked or dropped...

Page 194: ...E Press any keyboard key to get second level indication procedure 2 1 1 1 1 Replace RAM chip on video board as indicated by diagnostics procedure 8 2 Replace TR1602A UART chip on controller board proc...

Page 195: ...r longer and check that all LEOs on operator s panel light If not replace operator panel procedure 13 Terminal tries to autoload 1 1 1 1 Check communication cable hookup 5 Check internal connectors 6...

Page 196: ...ics 1 Set rocker switches on operator s panel as follows TEST SKIP Sl Set to TEST to execute any of the terminal diagnostic routines In SKIP position all terminal diagnostics are bypassed KB TP SKIP S...

Page 197: ...02 03 04 05 06 07 08 09 5B 10 II 12 IB 2C 2E 71 77 65 72 74 79 75 69 6F 70 33 34 35 3C mmmmDw JQ Jwl p g 8 I OC OE 51 57 45 52 54 59 55 49 4F 50 13 14 15 IC mm JmQ J JQ JQD na8B OD OF 41 53 44 46 47 4...

Page 198: ...l interface error External serial interface error Keyboard touchpanel test in progress For error codes 01 and 02 a second level of LED indication is provided by pressing any keyboard key The second le...

Page 199: ...d level for an 05 error serial transmission error is as follows Code Description 01 No character request 02 No character ready 03 Data error 4 With S2 KB TP not set and the diagnostics run successfull...

Page 200: ...ng loaded 00 to lC NOTE If terminal displays a Nap No Reply or Loading Failure refer to DOLT CRT5 for corrective action 6 When loading is complete Welcome Page is then displayed as shown in figure 6 6...

Page 201: ...isplay 03496 1 Procedure 4 Removing Hood and Bezel To remove hood 1 Remove two bolts at rear of display unit figure 6 8 lift rear slightly and slide hood toward rear to remove 2 To reinstall perform r...

Page 202: ...om of Terminal 4 Refer to figure 6 10 and remove two bracket bolts as indicated 5 Disconnect touchpanel and operator panel flat ribbon cables from controller board Operator panel cable is routed behin...

Page 203: ...by pulling knob straight off 8 Remove hex nut and washer from BRIGHTNESS control 9 Loosen touchpanel retainer clip above BRIGHTNESS control and carefully work control out around touchpanel Retighten...

Page 204: ...may be performed by the use of the Horizontal Linearity Horizontal Width Horizontal Frequency Vertical Linearity vertical Height Vertical Frequency Video Gain and Focus adjustments To perform these in...

Page 205: ...earity control until diagonal lines of touchpanel test display are an equal distance from top and bottom 1 To adjust Vertical Frequency control first turn potentiometer 900 in each direction then adju...

Page 206: ...nts on the right of the display overshooting Procedure 6 Adjustment of Yoke Centering Rings NOTE Perform this procedure only after procedure 5 has been completed If after having followed procedure 5 t...

Page 207: ...60 seconds to permit crt to bleed off power c Reglue centering rings Use torque seal glue or equivalent d Reapply power to terminal and verify that centering rings did not move while being glued 9 Rep...

Page 208: ...and use thumbnail to press on protruding portion of retainer Gently pull board out about 0 25 in 6 mm and remove board c Place replacement board over retainer clips and press to snap into position d R...

Page 209: ...ips RED STRIPE TO CONTROL BOARD 6 34 TO POWER_ SUPPLY Figure 6 15 Video Board I I I I I I I I I I I I I I 02601 03501 1 82100083 I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I...

Page 210: ...t cables to board Refer to figure 6 16 for correct cable connections pin alignment h Reconnect I O cables to connector panel i Verify that configuraion mode switches on board are set correctly see Ins...

Page 211: ...video board figure 6 18 One l4 pin IC IC2 on crt monitor display board figure 6 19 1 Turn terminal power off per procedure 1 2 Remove controller board or video board from terminal as applicable per p...

Page 212: ...Z80A IC 03502 2 Figure 6 17 IC Locations on Controller Board CD DENOTES EROM LOCATION DENOTES RAM LOCATIONS 03501 2 Figure 6 18 IC Locations on Video Board 82100083 6 37...

Page 213: ...mbly 6 38 1 Remove terminal hood per procedure 4 2 Apply terminal power per procedure 1 3 Verify that five LEDs on power supply board are lit figure 6 20 NOTE A lit LED does not necessarily mean that...

Page 214: ...than the power supply because a voltage drop occurs over the cables 5 Measure 55 V at display board of crt monitor assembly see figure 6 22 6 To adjust voltages use special tuning wand tool CDC part...

Page 215: ...00O D DQDaD 08 6 B 0 GNO ODDODDODQIDla IB O oODD90 0 D 0Dc00D 0DDOD D0 ___gG o eOO IOjJO D O 0 I I L _ _ foCo Co OoO oCoOOCO C I 03 102 3 Figure 6 21 Test Points for 5 V on Controller Board 55V Q L GR...

Page 216: ...nal power off procedure l 03460 2 2 Unplug ac input power cord from site power outlet 3 Remove terminal hood per procedure 4 4 Disconnect the following cables Keyboard cable at controller board see fi...

Page 217: ...WN Also when installing crt chassis use care to prevent pinching the touchpanel cable 6 Remove six crt chassis mounting bolts figure 6 24 and carefully lift crt chassis and place on a firm surface 7 D...

Page 218: ...l reference 60 Hz ac entry panel assembly drawing in Section 7 Parts Data Section and do the following 1 Power off terminal per procedure 1 2 Unplug ac power cord from site outlet 3 Remove terminal ho...

Page 219: ...rocedure 4 4 Disconnect Video Out BNC connector from video board 5 Disconnect Faston from terminal B yellow wire of ON OFF switch see figure 6 26 6 Disconnect other yellow wire of ac entry panel that...

Page 220: ...ps 4 thru 7 5 Disconnect Faston from terminal A blue wire of ON OFF switch reference figure 6 26 6 Disconnect Jl from power supply board reference 6 20 7 Disconnect ground wire from side of transforme...

Page 221: ...f new switch Figure 6 26 shows the ON OFF switch wire connection on the 60 Hz and the 50 Hz units 5 Remove faulty switch by removing two bolts as shown in figure 6 26 6 Install new switch and secure w...

Page 222: ...rt number 87365900 3 Install new keycap by pressing down on new keycap until it seats firmly To Replace Spacebar 1 Place a finger under each end of spacebar and pull up to release Move spacebar to one...

Page 223: ...ssembly to terminal base 5 Install new keyboard assembly by reversing preceding steps When reconnecting keyboard cable to controller board make sure that red stripe on cable is correctly lined up refe...

Page 224: ...r wick is suggested when unsoldering the switch 4 Unsolder switch contacts and remove them by pulling straight up using a long nose plier Do not pry against plunger housing 5 Insert new switch contact...

Page 225: ...nt is performed in the same manner described in the preceding 03507 1 procedure However note that the spacebar has a 3 ounce spring rather than the 2 ounce springs used for the remaining switches Proc...

Page 226: ...se of preceding steps REMOVE THREE BOLTS REMOVE ALARM BOLT Figure 6 30 Operator Panel Removal 03 508 1 Procedure 15 Replacing Operator Panel LEOs To replace the LED indicators on the operator panel pe...

Page 227: ...n in figure 6 31 then solder to PC board 5 Reinstall operator panel refer to procedure 14 0 r I I I I I I I I L ___ J I 0 rr J 0 0 0 0 0 0 D 0 PC BOARD ALIGN LEOS WITH FLAT PORTION IN THIS CONFIGURATI...

Page 228: ...o corresponding lug of replacement potentiiometer 7 Carefully install potentiometer in bezel by working it around touchpanel Insert potentiometer in bezel opening with key positioned properly 8 Attach...

Page 229: ...nect touchpanel operator panel modem and keyboard cables from controller board see figure 6 16 4 Disconnect display board connector see figure 6 32 CAUTION When removing chassis from terminal use care...

Page 230: ...scratches can cause crt to implode Wear heavy gloves and safety goggles 6 To remove crt see figure 6 32 and 6 33 and disconnect the following cables CRT socket Yoke cable CRT anode fold back suction c...

Page 231: ...ure 6 32 and perform the following 1 Turn terminal power off per procedure 1 2 Remove hood per procedure 4 3 Disconnect anode lead from crt to remove fold back suction cup and squeeze 4 Disconnect inp...

Page 232: ...Place touchpanel in bezel opening with ribbon cable on top of bezel 6 Align touchpanel so that etched alignment marks on panel figure 6 35 are lined up with marks on bezel Alignment marks on bezel ar...

Page 233: ...efective touch panel in the shipping carton the replacement panel came in the curved side goes down for protection TOUCHPANE L SHIPPING CARTON TYPICAL CROSS SECTION OF PANEL IN CARTON ALIGNMENT MARKS...

Page 234: ...acks to terminal J7 of modem board 8 Reconnect modem cable to controller board 9 Replace hood per procedure 4 Procedure 22 Checking Video Offline Perform the following steps to check the basic functio...

Page 235: ...and nonintensified scan lines should not be visible The intensity should be set high enough for the display to be read by the user from at least 3 feet away but not so high that the displayed data ch...

Page 236: ......

Page 237: ...21 6 10 6 28 6 22 6 11 6 30 6 23 6 12 6 31 6 24 Table Page Table CRT1 6 16 CRT3 CRT2 6 17 CRT4 82100083 Page Procedure 6 38 17 6 41 18 6 43 19 6 45 20 6 46 21 6 49 22 6 50 23 6 51 Page Figure 6 33 6...

Page 238: ......

Page 239: ...ber when ordering replacements Gives the information control system a means of cross checking the correctness of a part number Lists the total number of a part required to complete an assembly The ver...

Page 240: ...15b31280 for fC8lbA and 151 3201 5 for FC81bB I DelACHED LISTS NT l OEV SHEfT 2 A 3 Individual keycaps are documented in drawing 51 t1 tb25 as CDC part number 51 t20001 thru 51 t200b3 Indicated parts...

Page 241: ...215 1 1 IFuse 75 AMP S B 1Note b 16 ibb30 l140 1 1 I d 17 6308141 1 1 1Programmed EROM 1Note 7 A 5153 21 24 24 1411b RAM lion INote 7 1 1044610 1 1 7BFD PC Any 20 115163201 1 1 ZMA Note I 111 1 7 Teo...

Page 242: ...ISION STHUS REVISION RECORO 2 REV ECO DEleRI lION DRFT DATE APP 10 RELEASED CLASS 01 D A A A lZ7f e L eI9SED aAss Z NOTES Quantity shown is that used per equipment 2 EQUIPftENT CONFIGURATOR _15lt32oIo...

Page 243: ...A A 275 1 52 EEt EA5E D CI IISS 71 B B B 13 s I Vlo lO o l NOTES 1 Quantity shown is that used per equipment 2 EQUIPMENT CONFIGURATOR 1S 32 O TOP LEVEL ASSEMBLY 1Sb3214S I DETACHED LISTS IIkt Il I CO...

Page 244: ...AlB SHEET REVISION STHUS REVISION RECORD 2 OfV fCO DESCRIPTION O Jt RELEASn CLASS I AAA NOTES Quantity shown is that used per equiPMent 2 EQUIPMENT CONfIGURATOR 5103201o0 TOP LEVEL ASSEMBLY 51032010 o...

Page 245: ...OOCUtENTS C TOUCH PINEl OPTION AIT EC RODER OPTION AIT EC IERORI UP NSION OPTlOII AIT ENGINEERING SPEC lOGIC SET ON SITE REPIIR CENTER HIRORIRE UINTENINCE RINUll SPIRE PlAT liSTS Fr BI81 B TOUCH PHl O...

Page 246: ...IONS II kE N MILLIMETlRS MNI lJNLESS OTHEPVJISE SPECIFIED MII RK ASSY 15103Zcx S IN AREA SHowN PER COe PEe 101 1 SOB FIN l3 IS APPLIED AC RO S fHE 1011 BOTTOM P RIGHT IDE OFOPENING IN FIN 4 FiN 4 IS...

Page 247: ...en N I 0 0 0 en w tJ I J I 0 8 0 c B A 1 IS o I VIEW TOr VIEW BEZEL t HOO REMOVED SCALE III 4 0 q 7 1512 E TAIL F t J l_ _ 1 L L j 11 3 7 4 BLACK WIRE l20 V CONNECTOR AP4 O FIN 15...

Page 248: ...DETIilIL F SCALE liZ DETIIIIL B R R INSIDE VIEW 01 DOOR CAlE 1 1 GND uC I D TA IL H E I I r t REf F ND STUD otTAIL J LE 1 1 J S r L _ _ _ _ VIEW D D RONT VIEW SCALE 1 I DTA RtV lCMoT UAO _____ DETAIL...

Page 249: ...ZTlIO 6 1 I C CAT IRACKET AH I ASSEMBLY PARTS LIST NT An 01 C IIIO BUILD AAC 0 I 09 10 79 I ZI 000U6 y_ 1m T Y STAtui fI _ n 016 I 1 6lZ06S T C I D I TUM UT l1 C D K 50101 ITA I N REI 08 09 7 I cl1 a...

Page 250: ......

Page 251: ...ItC SCII Mlr Hlx III 11 1 I 94241 17 0 I IPC CLIP CAlLE ADM lACK TYPE Vll 1 1661 2453470 1 11 o fT SLVI 1 4 T IHRINK ILK UL I I 1 471 1 j 51105700 S 2 IItC IUHPEII S L STICKING P 245lU12 S I 125 T SLV...

Page 252: ...c JE I t t 110 3 t2 1 NorE I ALL OINl N510N ARE IN MILLIMETERS MM UNLE5 OTHERWISE 5PECIFIED MARl A 5 Y I5 3IlSO IN REA SHOWN PER coc PEe 101l1508 FIN l3 IS APPLIED AC RD S THE TO BCITTOM t UP RIGHT ID...

Page 253: ...CD IV o o o CD w J I U1 D c B A 7 o VJEW C TOP VIEW BEZLEL I HOOO MOVED LE III 4 TO J REI 3 4 I P4 01 FIN 15 2 5E E I ETAI IT H dl RN WIRE ND RCM reiN II 1...

Page 254: ...ETAIL E ALE lIZ 5EE SKT 2 DETAlL 8 EAR l tlE I IEW DOOR SCALE 1 1 ut DC AIL F jc L lo E S E S T VIEW D D FRONT VIEW SCALE 1 I 0 0 om 01 L L_ SEE OETI IL B 3 INSERT FAR51DE H 1I fiiiYIQ REF IST li TE R...

Page 255: ...LO K 60HZ UI 1 N RlL MaNO U NUMIIII CD O AJfTrT1 v A 1C1tP nOtII n 022 01 T14 27S1 i4 1 PC CRT ACKU LH on 01 5110390 5 2 2S11 n TAPE N O SEL AOH 1 l1 IT 8 OZ4 Dl 4 10lT 1 PC CLIP CAlLE AD lACK TYPE VI...

Page 256: ......

Page 257: ...HMINK BL II UI II 136661 0 01 2 53 112 5 125 n SL Va 1 2 IIT S tIlIHK IIL K UL B 136 0 02 2453 no II 0 H SL Va 311 HT I tIlIHK aL K UL a 13 1 41i I I 01 51105 0 5 2 I C IIUIII lli IlL STICKING I I 0 9...

Page 258: ...N 1 R EF I 13 4 j FAR IDE A 0 tOS 4Oio MM 13 i1M iDl RE REf l 6NO STUD DETAIl c NOTES I I AR K A5SY Oeo31 IN R A HOWN PER 0 PEe IOI IS08 4 REFERAJ E OHI Y AND toAAY NOT APPEAR ON P J lT KEEP WIRES AS...

Page 259: ...04 Il 51911296 I 1 C COAO In CNOCT IEC 125V 1 lOS 01 51906200 4 2 C CONTo IItT 20 146 l30lT STA 106 01 15003104 1 n WIR lilA STRD YEL lOOY UL velw 01 01 51906001i 6 1 C CONN 5 T PL UG FIG 1 NYL ON 001...

Page 260: ...A A 5 7 8 I 4 FAR IDE A I O Q 4OiOINA I lAM 6ND STUD DETAIL REF FETY GoND t 1U 0 0II 4 08otl h NOTES RIC AS5V IoI Oe I AI EA A HOw P C Oc JPF c IOllI5OS REFERANC E ONLY Nt MAY NOT APH 0 PART KEEP W Rl...

Page 261: ...II 11 1 Mol ITIIO na SlIV IlL II I J N II 1 1 PC COIINUfOll 1 rN MOUll P I 1 aut 1 PC LUe I CONN 11 1 111 II I P 1 1 tI n 1 PC NUT ICUIOIJI U I I I i TMTl I 1 I I 11 II I SlCI 1I TOOTH SZ J I I I U 1...

Page 262: ...NO RS ELEMENT IDENTIFIERS Nt REFERENCE DESIGNATIONS ARE FOR REFERENCE ONLY ANO DO NOT Af I AR ON I MT AFTEIt A S tuT PIN II OF COIIIHECTfJl J5 AT ONNECTOP eoov lFOIi CA8lE I EVIIIG TI Toc ETwEll JI I...

Page 263: ...ill 1 C knll on u To 110 C IITII llill SIL c IMInZ I UO IlL C TIl INan ilL C DID INa Iv IlL 1 lv I C IIECT lN16II IlL I a C III T 1 616 51L 3 I I LED 1 la liED 1e0 C II II I 010 IN II at n 1M I I I a...

Page 264: ......

Page 265: ...lAT I C I U N oo tooool i c SC I a ML l1Z TL ll cl M NO IT T L ST 7 1 1 1 I I I C CO 3 I C TO Tt II 1 C CONN I I c TO TI II 1 l C CON I C Tn TI II I I C CONN I ITA IIIMT c I 1 3 c CT IN35 SIL COhT OO...

Page 266: ...l 1508 CNAR ClEIl HEIGHT 12 zpr COL WHITE 2 IND NUMeEll ELENIENT 10000mERS AND fEI EIi ENCE D SI nONS MIt 1 0 fEF EI EI t CE 01 Y IWO DO NOT API ENr ON PAIrT C UT PIN 1 FI OM CO TOIt J4 II E 1 PoS MAt...

Page 267: ...TTL Mrl I_ 1 C IC ALln I ILI I lIOII C IC UII I n COUIIT 1 c IC LI LS PI DUAL 0 c IC ALI I I TTL 10 1 c IC ALI Zl DUAL MULTIVI AyeI I i cl lC LI II LS III ANO I I C IC I TTL 10 II lID I e It LIl2 Z I...

Page 268: ...10 CI I lIP e wDCI I I CIC 1 aur r1fl l C Cl CEIl 1 flur 1 11 1 1 I clCAP 0 UN IU IP a wDC 9 C 0 CI alP VDC Cl c 0 N tu I OCW I l c DID I CIO IlL V i ciIC 1 oPT CDUPL ID 1101 I I II c 0 IL I 001 I i c...

Page 269: ...OM III 0 InTI II ltl II I I 5130 t I C II S ID CO J OMII 1 I 135 1n 0l IU6 O 1 C II I 10 COIIP f OMM I 1 1 u II i I UIlU 1 i i I 11 z CI IOCK T 11IN fIN 107 111 snlD01 i I H WI n c IIIIj IlL vc 1 13 1...

Page 270: ...COO O N H Ii O Cll i nzaD SHEET REV SION STATUS REVISION RECORD i 1 tv leo 01scal T10 iA A IA 1Z7J 1 99 lI l se4 Class A I i I I i I NOTES t 7 32 n say 306 0 in ooon p ctc spec i liO noun find no i in...

Page 271: ...t ASSEMILY PARTS LIST I I 1 I lin g IIA 160 I 6nu u zl AJ A lIt RO U D RO 1ST 11 I R L 11 I e i U _ oJ DOl 01 nuPDO 1 It IT16 OS ZKX 16ll ROM 02 01 6U l 0 REF C IR _AR LOAD R OIA 1ST 11 D TOTiL LIN S...

Page 272: ...2 IRn ECO UF W DOFT DATE UP k 5 no s Released Cla _ _ ft I 101 01 10 50 0 R IlISet I to I NJ Il I 1 1 02 102 S0 023 IFIN z WAS 5190r 201 I f4 ifP 1 03 03 1 0 3 5bI 55 IC AbI E LEI k2N WAS f lIo IA A...

Page 273: ...i _7 u PAlft_ co p 1CWhOfII Me leO leO out 0 In l 519 0 2j 1 C CONN lilT LU f 1 NYLON 102 01 519 6200 C CCHjT SKT Z l 1301T ITR OgJ 01 95643231 Z PC LUG Q Cu 22 18 W6 FIG 5 n noonoz I l fT WIR I ITRD...

Page 274: ...EVISION STATUS REVISION RECORD 2 R v eco DESCRIPTION DRFT DATE A 5D Released Class 11 t f 01 01 01 SO Ql Clll f LfU I1 C 10 1 s 1f 1 0 Ol Ol 50 23 FIN 2 I JA 5190 oC OO WJ Zl A A A Z75 9 5 r LL M50 S...

Page 275: ...1 _ I fC11 B I II 10 u co ICO _ leO _ om 101 5190600z1 1 PC CONN SKT PLUi fl 1 LON P IOZ n 51ft l0 _ Z PC CONT SKT ZO I ll0lT STA P n 11 9S6UZll Z PC LUG a CONN ZZ I A fl 5 P o It lSoe uOZ 5 fT IA l...

Page 276: ...CRIPTION 0 DATE A 5 1 SZ Released Clas 1 lB 01 01 01 5048 P L CHG WJf rHo p 0 dL b l 01 50600 itU b tl 6c o J 1 s 71 O Z 03 03 03 SObS S A DD FIN IS I l _ Soil II n f f A A A A 12759 52 1ZS EUU P c ss...

Page 277: ...II A Ie tu un Un I 1 a I A I a J ICY DieD y nft I a I w 6_81_ _0 1 1 au tmn O M AI I 1CWI IOtI ICO 110 KO IIO OUT 0 OUT 001 III 245 30111 4 300 WIR 24G STRD ILK 300Y UL PVC W 0112 11 24541303 1 1 FT I...

Page 278: ...SHEET REVISION STATUS 2 1 OEV 01 01 01 A A A I NOTES Mark with CDC part number per CDC Spec 10 2150 J tl 71 7 48 I I I lJ SHEET ECO 15 DQ Z Sl So ob 1 7 if 5Z 2 NHA ISHEET 1510312 0 of 2 REVISION REC...

Page 279: ...11 4 I I I I I I I I I I I I I I 82100083 D _ _ _ _ UI 1 1 11 I ON lt lTlIl 1 1 0 T WIll I ITIIO liED I OV UL VC 16 100 T WIll I ITIID liED 10 v UL wc t c CONT I T 1 I ITII C c OtIN C TOII NOUU I c C...

Page 280: ...101 101 S05 9Z IADO uart Z Nt t a liM 101 IOz loa i5OI 7Z IAIIO J p otG ICi OJ IO 1a 101 IAI O F 1 I7 IAIA IA l z7 l 1 _A_ft if h Ul IB 18 19 1 1DO I e t I 111 1 1 1 I INO tn Apply lebel to cebl ele...

Page 281: ...II I1I1Dll 2 PC PLUI PLZ NYLON 10lSTRIP P 2 01 l tUlOl I 16 I WIR II ITRD RED JOIV UL PVC W 103 II 41 1 1 16 PC CONT SKT 11 201 2 f STIIIP P Il Itt20 51 5 PC CONNECTOR HOUSINI P I Il 0 2 1 PC ITRAP C...

Page 282: ...1 REV ECO DESC PT DN D FT DATE APP _ Sz Re leased Class 1J MJ 01 10 1 01 504810 P L c PlG n _ I 0 4 10 2 0 2 1 50 0 lI El PSR Co 4 1 A fA A 1 i 7 M IJ C A iS 61 _ _ _ _ 0 _ _ NOTES APply label to cab...

Page 283: ...5 01 94271409 Z 1 82100083 ASSEMBLY PARTS LIST ItAnn r ucw_u nr YDooY I A a V PC CONT SKT Z4 18GA 1001 T STR P PC CONN 2 SKT P UG FIG I NY ON P PC COfoIH RECPT Cou I PIN P FT CAlLE R F 1 COND COAl ITa...

Page 284: ......

Page 285: ...WIRE LISTS 8 Thi section title page is included to maintain format com patibility with other existing manuals 82100083 8 1 A...

Page 286: ......

Page 287: ...allation required You must also Call the local telephone company and inform them that you have an FCC registered device which you wish to connect to their lines Give them the l4 digit FCC Registration...

Page 288: ...tomer s terminal equipment incompatible with the telephone company communications facilities or require modification or alteration of such terminal equipment or otherwise materially affect its use or...

Page 289: ...________________________ STREET ADDRESS _____________________________________________________________ ClTY _________________________STATE _____________ ZIP CODE _______________ This form is not intend...

Page 290: ...PERMIT NO 8241 POSTAGE WILL BE PAID BY CONTROL DATA CORPORATION Technical Publicationl Department 2401 North Fairview AVlnul St Paul MinnlSota 55113 MINNEAPOLIS MINN NO POSTAGE NECESSARY IF MAILED IN...

Page 291: ...CORPORATe HeADQUARTeRS P O BOX 0 MINNeAPOUS MINN 5l544O UTHO IN U S A SALES OFFices AND SERVICE CENTeRS IN MAJOR CmES THROUGHOUT THE WORLD CONT OL DATA CORj OR TION...

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