Sharp MZ-8BI03 Service Manual Download Page 1 | Manualshive

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Summary of Contents for MZ-8BI03

Page 1: ...o transmit and receive Integrating two channeis of interface conforming to RS 232C JIS C 6361 into one board Employment of Z 80SI0 0 one of Z 80 famiiy enabling to deal with various interrupts MZ 8BI04 GP IB interface card for MZ 80B capable of freely controlling measuring instrument groups conforming to IEC standards E 488 and enabling low cost automatic measuring system Capable of programming by...

Page 2: ...upt Port address Operating temperature Storage temperature Specifications Asynchronous In compliance with EIA RS 232C Z 80SIO 0 2 Channel A and Channel B Changeover is allowed for orie channel Channel B Can be set independently for the two channels Manual setting using switch 10 75 110 150 300 600 1200 1800 2400 4800 9600 baud 5 6 7 or 8 bits Selection by software Odd none or even 1 1Y or 2 Either...

Page 3: ...ach of which is capable of transmitting receiving data independently 2 One of the ten baud rates can be selected by operating the switch on the card Baud rates can be set independently for the two channels 3 Output connector signals to external equipment can be in either terminal mode or modem mode through the operation of the jumper chip 4 This interface card can be used as 20mA current loop for ...

Page 4: ...v m RS 232C en Drive 0 Rml I CTSB D DCDB I J 1 H Cb 0 furt H Z Add Address Bus Select TxDA W 0 Circuit RxDA RS 232C Mode Channel A 1 RTSA Drive Select Connector 0 CTSA DTRA I J 3 I D 0 DCDA c 5V m Power Chlnnel A Supply BR2 Baud Rate Setting SW 21 Blud Rate t Circuit v 12V Oscillltion f Circuit Channel B BR1 14 Baud Rate Setting SW 31 C r _ ...

Page 5: ...CD v oYA CA IND U U Block Diagram of Hybrid IC 0 D Data BUI 0 Driver 0 Channel A Read Writa Reglsters D 0 O2 D Do lr Bus fG Intetnal Bus Interface Logic U U D Channel B Internal Read Write Control Registers Logic IORO RD Ml CE RESET A AD ExlNT I terrupt Control r Logic IEI IEO I BRl BR2 4 TI C I I DT DCOI IDA hO ItTI CSTA 0 DCO Channel A Data Control Channel B Data Control TxDA RxDA RTSA CTSA DTRA...

Page 6: ... j4 IC I MCI4411 ICl RH iX0297PAZZ MC144ll PIN ASSIGNMENT Top View 24 2 23 3 22 4 21 20 6 19 18 8 17 9 16 10 15 11 14 12 13 Rite Sllect A 23 RI I Select 8 22 Cryltlljn 21 Cryltl1o n 20 R Mt 10 sw z IBI 5 IC3 4 RH iX0190PAZZ SN74LS266N PIN ASSIGNMENT Top View 1A2 BLOCK DIAGRAM I 1 Divide Rill Select LotiC c c Fl 11 f2 2 F3 16 F4 3 F5 15 f6 4 F7 5 F8 7 F9 e Fl0 8 Fll 14 f12 13 FI3 C 11 F14 18 F16 19...

Page 7: ...A 10 100 IZV Cl 1 I T DA _ _ IIV r CH NNEL I CHANNEL A II I r M L 1 ICI 7511 21 L _ __ It OA _ c c 10 ___ I ca ItTIA _ _ It l I 01 C 7 I 1 ___________ t f j I i IIA 4r 1 L _ __ I c DTltA ___ II 01 is 1A L_j r 8 DCDA OM Iml CSTA IC2 8 RH iX0305PAZZ SN75189A CONT ROL IC7 8 RH iX0085PAZZ SN75188N PIN ASSIGNMENT Top View 4A 4 4V 1 11 5 PiN ASSIGNMENT Top View Vcc 48 1 38 1A 1 1V CONT ROL 2A 2 2V GND C...

Page 8: ... Block 5 r Block 6 Power Supply Circuit IV ce I aND IC13 DUNTK0064PAZZ 12N10K1 LI eH LA1 V Bus Interface Circuit IIV aND cia IIV U GND 1 GND 2 Vi 3 V out 4 N C 7 c c c c ...

Page 9: ...t two or more switches of SW 2 and SW 3 DIP switch are not turned on Tolerable deviations are 0 1 for each frequency In measurement consider that the waveform of MC14411 varies according to the load capacity because MC14411 is CMOS 4 Drivers Check the status of input signal jumpers Output of 75188 High level 10V to 12V switches and Input of 75189 Low level 10V to 12V connectors Input of 75188 Ci9h...

Page 10: ...0 0 Borate oscillator does not ated from Z 80SIO output parity error overrun Causes error framing error o Faulty MC14411 etc o Faulty crystal Causes o Two or more dip switches o Wrong borate setting SW 2 SW 3 turned on o Abnormal borate o Faulty borate clock input oscillator circuit of hybrid IC o Wrong jumper set o Other ting J 1 J 2 and J 3 o Abnormal 12V or 12V line o Faulty connector o Faulty ...

Page 11: ...ng jumper blocks on the card For the self diagnosis as mentioned above set the jumper blocks on the card as follows J l J 2 J 3 M T C R C M T 0 0 0 0 I 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 I 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 III Since port addresses BOH B H B2H and B3H are used in the program set the switch SW in the following factory setting Switch segment 6 5 4 3 2...

Page 12: ... an error occurs If Channel A is found normal test Channel B then Set Z80 SIO mode Start checking Channel A Start checking Channel B Output test data Output tast data from Channel A from Channel B Contantl of arror Contents or error displayed displayed No No 11 Channel B is normal _ _ ...

Page 13: ...op bit Parity Odd even of parity Transmit receive character Auto enable X 16 2 bits Present Even 8 bits Set Statement Nos 1180 1370 Mode setting routine Statement Nos 1550 1610 Channel A input routine Input data are stored in Address CHAR Error flags are stored in Address INER Statement Nos 1630 1740 Channel B input routine Input data are stored in Address CAHR Error flags are stored in Address IN...

Page 14: ... 13 ...

Page 15: ... D9 B2 DATA 32 33 FO DATA C9 adr SF060 IDATA DB 91 DATA CB S7 IDATA 28 FA IDATA 3A 33 FO DATA D3 BO IDATA C9 I adr F06C DATA DB B3 DATA CB S7 DATA 28 FA DATA 3A 33 FO DATA D3 B2 IDATA C9 DATA END DIM X 30 ILIMIT FOOO IP 15 4096 FOR JaO TO 9 X J JINEXTIFOR J O TO SIX 17 J J I0INEXT PRINT SIF SUBROUTIN LOADING READ X IIF X END THEN 3000 J 16 X ASC MIO X I I 48 X ASC MID I 2 1 48 POKE P JIP P IIGOTO ...

Page 16: ...B c o E F G Z SBI03 BAND IT DIA Notes The printed wiring board circuit diagram are subject to change without prior notice Printed Wiring Board SERIAL TERFA 15 I Perspective View Parts fitted face Opposite side H CD o ...

Page 17: ...1 00 1200 0 L 16 E F G FlnlH 13Kx S hiNT I to H JORQ I C 5 HOOQ2PA 011 RTS 8 CTSTI OT RII DeDI W ROT8 SYNC B T OA IhOA IIlT A eSTA OTA DCOA W ROYA SYNCA G 8 3 AI J K L M N o p H t r J 12 I Z I 0 I I 7 88 I I u I r c __ OTI I I 0 12V ID CHANN L H CHANNEL A r I I I r MZ BBI03 17 ...

Page 18: ...OT OTO No function DC OCO No function Output connector Male type connector in compliance with IEC Standard Operating temperature 6 C 35 C Storage temperature OOC 50 C Power source DC 5V supplied from MZ 80B Reference The following specifications are reference specifications since difference is caused by cable quality connector connection noise and other environmental conditions 1 Number of Instrum...

Page 19: ...rol logic so that the mode 2 interrupt of Z 80A can be utilized by Z 80API0 Data bus 1 lE lE M A 0 1 0 A 7 8 0 I 0 A A WR_ 1 M BUS4 IORa EXWAIT T lE0 I T M RESE 8 Buffer control logic Address decod ing logic Waiting logic Reset circuit r DB7 tU I 8 DBO Dltl b ID us 8 8 R1 W1 I W2 3 I HIC Hind 07 Mlnlgemlnt L I line line GP IB sheke DO CE 5 TACS 5 Z 80A Mlnage PlO LACS line ment MI 8 CMAC NBA Comma...

Page 20: ...EN R Management ATN O line output SRO O EOHO IFC O Enabling manage REN O ment lines other ENABLE than EOI Reporting of TACS Internal logic LACS status SPAS Reset ignal CLR Waiting time NBA setting NBAW Waiting time ACCS setting CMAC Block Diagram of Hybrid le 27 g 19 16 2 3 4 lIE 5 7 9 11 2 13 4 15 10 49 50 51 47 55 52 53 54 D7 De D5 D4 D3 D2 D1 DO DATA LINE DAV R NRFOR NDACR EOI R ATN R SRQ R IFC...

Page 21: ...cuit m1 MI IDROW MI i xl 2 LD EXWAIT BU Vcc The waiting circuit corrects the timing of the interrupt vector transmitting from PlO to CPU in the interrupt ac knowledge cycle Thus 10RQW develops a signal of reversedlOROand EXWAIT doesn t develop pulse in other cycle than the interrupt acknowledge cycle This waiting circuit does not correct the timing of the daisy chain With the delay of the daisy ch...

Page 22: ...ta buffer control logic regulates the buffer connecting the CPU data bus line and the bus lines of PlO and HIC CPU reads data when the No 1 pin of ICS is in low level CPU reads data when the 10 addresses of COH to C7H are input to CPU and CPU reads the interrupt vector from PlO in the mode 2 interrupt acknowledge cycle 5 Timing Circuit a B 5 ols The timing circuit forms pulses of about 500J Jsec a...

Page 23: ...IB does not work normally N No Fault of other part than GP IB interface N Normal A Abnormal With tha method of intarpretation refer to paga 25 26 N Normal Abnormal IDROW signal 23 N A Abnormal EXWAIT signal IC connected to input line is faulty Faulty IC12 ...

Page 24: ...Faulty 1C9 IC11 N_ lOOiCheck abnormal signal 24 1 The REN line of GP IB becomes low level by the command REN and high level by the command LCL 2 Pin outputs negative pulse by reading 1 0 address C4H 1961 Pin Pin j outputs negative pulse by writing on to 1 0 address C4H 1961 outputs negative pulle by writing on to 1 0 address C5H 1971 ...

Page 25: ...sed RD CPU bus IC5 Positive pulse Reversed 10RQ CPU bus IC5 Positive pulse Reversed MI CPU bus IC5 Constant L level IC6 CD Constant H level IC7 Constant H level IC7 Constant H level IC7 Constant H level IC7 CID Constant H level IC7 Constant H level ICS Negative pulse Same asMi CPU bus ICS Negative pulse Same as lORQ CPU bus Output terminals of address decoding circuit ICll Develops negative pulse ...

Page 26: ...s Same signal as MI CPU bus Same signal as IEI CPU bus Same signal as BUSt I CPU bus In BASIC ready status At transmission of data to GP IB At receiving data in slave mode IC13 Constant L hivel Outputs positive pulse of Constant L level about 5llsec IC13 I Constant H level Constant H level Outputs negative pulse of about 500llSec 26 ...

Page 27: ...A B c o E F G H MZ 8BI04 PWB AND CIRCUI DIAGRAM Notes The printed wiring board and circuit diagram are subject to change without prior notice Printed Wiring Board 27 Perspective View D Paru flned ace D Opposne Side ...

Page 28: ......

Page 29: ...043PAZZ PWB Sleeve SPAKS002SPAZZ i1 j e _ Packing Case SPAKC01S5PAZZ for MZ SBI03 SPAKC01S7PAZZ for MZ SBI04 30 Instruction Manual TiNSE0036PAZZ English for MZ SBI03 TiNSE0037PAZZ English for MZ SBI04 Seal x 2 TSELF0001PAZZ ...

Page 30: ...alum AD Q2 C13 01 VHD1S1586 1A lS1586 AB C15 VCEAAU1CW336Y 33MFD 16V Aluminum AB C19 RESISTORS C21 C17 VCCSPR1H6151J 150PFD 5OV Ceramic AA Al VAC MT2EG 106K 10M ohm 1 4W AA A2 VAD SC2EF102J lK ohm 1 4W AA MISCELLANEOUS A14 R3 VAD SC2EF103J 10K ohm 1 4W AA L1 RCi LF7863VAZZ Coil CH04 AG R15 L2 RCi LF7862VAZZ Coli CH03 AG A4 VRD SC2EF272J 2 7K ohm 1 4W AA L4 R5 VRD SC2EF472J 4 7K ohm 1 4W AA L3 RCiL...

Page 31: ...1HM683K O 068MFD SOV Film AB IC7 RH iX0200PAZZ SN7407N AG C4 VCQSMU1HM102J l OOOPFD 50V Film AC IC9 RH IX0303PAZZ SN74LS138N AG C5 VCEAAU1AW107M l00MFD 10V Aluminum AB IC10 RH iXOO75PAZZ SN74LS08N AE C6 IC12 RH iX0229PAZZ LH0081A Z 80APIO BD I VCSACU 1AE 106M 10MFD 10V Tantalum AD r IC13 RH i X0227PAZZ SN74LS221N AN Cll IC14 RMPTHOOOl PAZZ Hybrid IC BY C12 VCTYPU1BD104Z ORESISTORS I b 1MFD l2V Cer...

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