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Commodore MPS 1250, Service Manual

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Summary of Contents for MPS 1250

Page 1: ...9T OoH iT Commodore MPS 1250 Supplement to 1200 P Service Manual 10 88 Commodore...

Page 2: ...Parallel and Serial BIP SPECIFICATIONS FOR EUROPE...

Page 3: ...d signal name D 3 3 Description about interface signals of CN12 D 4 3 Serial Interface Specifications D 6 1 Specification D 6 2 Pin No and Signal name D 6 3 Description about interface signals of CN13...

Page 4: ...ector Strobe signal DSTB is also input together with the data At input of the strobe signal BUSY signal becomes HIGH and DATA1 to DATA8will be stored inside When CPU finishes processing the data BUSY...

Page 5: ...o Connection to Power Driver PCB will be done by the driver interface bus and this bus consists of the following control lines Clocked serial data bus Stepping motor voltage control line Operation pa...

Page 6: ...name Parallel Specifications CN1 2 PIN No RETURN PIN No Signal name PIN No RETURN PIN No Signal name 1 19 DSTB 16 V 2 3 4 5 6 7 8 9 20 21 22 23 24 25 26 27 DATA DATA2 0ATA3 DATA4 DATA5 DATA6 DATA DAT...

Page 7: ...LINE status until new paper is inserted SLECT Connected to 5V via a 3 3 Kn resistor AFXT AUTO FEED XT When this signal is set to LOW level one line is automatical ly fed after printed by OR code PRIME...

Page 8: ...5 V Power supply of 5 V This line must not be used at the HOST side If used the printer may be damaged The timing chart for data input is shown in Fig 3 SUSY ACK Fig 3 Timing Chart D 5...

Page 9: ...to the direction of signal flow as viewed from the printer 3 Description about interface signals of CN13 SERIAL RSQ SERIAL Service Request Interrupt request to the host computer Not used for this uni...

Page 10: ...is established at the rise edge of SERIAL CLK Moreover after data transfer the receiving side sets this signal line to LOW level to indicate that the data is received This goes to HIGH level when the...

Page 11: ...B Lfiniiniumn Tc T MSB Jth Tvp T RY t uSTENER READYFOR DATA EOI TIMEOUT HANDSHAKE LISTENER READY FOR DATA SYSTEM LINE RELEASE t TALK ATTENTION TURN AROUND TALKER LISTENER TO LISTENER TALKER ATN jumri...

Page 12: ...AKE Tf 20 s 1000 Axs FRAME TO RELEASE OF ATN Tr 20fiS BETWEEN BYTES TIME Tb8 EOl RESPONSE TIME T ye 256 is EOl RESPONSE HOLD TIME Te 60 fjs TALKER RESPONSE LIMIT Th y 30 us 60 MS BYTE ACKNOWLEDGE TpR...

Page 13: ...Detector Enable Disable OFF 1 7 Auto Line Feed Disable Enable OFF 1 8 Normal Compressed Normal Compressed OFF Valid only when SWl 3 is ON Ignore If SWl 3 is OFF 4 1 2 Setting of SW2 Switch Function O...

Page 14: ...ontrol Code OFF OFF mode 1 ESC P OFF ON mode II ON OFF mode III AMIGA ON ON mode IV IBM PC 4 5 SW1 5 6 7 8 means the following according to the abovementioned operation mode 4 5 1 mode I SWNo Function...

Page 15: ...6 SWT 7 SW1 8 Function IBM character set 6 8 LPI IBM Denmark Norway Version Character Set Buffer fult process ON SET 2 8 LP Enable No printir OFF SETT 6 LPI Disable Printing 4 5 5 Selection of interna...

Page 16: ...CO CO o 00...

Page 17: ...RTS o c CD CO o O o CD Oi T rH lO Ol o rH 00 I 1 CO 1 1 CO o O o 1 1 O o o W f o o CO 1 1 CO 00 1 OO o ci W N IN 1 w N 1 1 rH w N ci cq CN o o M o o 1 H o o o O o o O o o o O o o o rH CJi O CO C4 1 H...

Page 18: ...0 CD CO o w CO 00 o CO u CO o CO CO 3 3 i CO CO CO CO Cl CO CO 1 1 X o i H o CO CO CO o CO Q CO O CO o rH Cd CO z CO to Pi oi CO Pi 3 N CO CO X 00 Q J O CO CO X 00 Q CO O Pi CO CO 00 Cd CO 3 CO CO 00...

Page 19: ...O CO 0 CO CO CO rn 3 a y Pi CO D eg Q Q a c U E 0 0 frt o U O J2 ta CO Pi X a 1 1 00 0 Pi X a CO CO 00 c i H CO CO c c o o j u Ih cd cd U U en D Pi tn Pi a o2 o CO o CD la 1 1 CO CO o o t a 6 cd 0 u C...

Page 20: ...O Eh o Ed X Pi 05 3 3 CO o o 3 CO Ol as o Q Q Iz pa CO o CO o Q 00 S o o c t o CD CO o I H o o o 1 CO u Eh CD O CO o o CO P2 X CO 3 I H o o 6 CO d O n cs U o ClH EX O O o 9 a O ci o a o o CO u 03 O d...

Page 21: ...ten o C2a C13 n o o z _ CI I O u _ z C7 JP4 C 7 CIS rv n M _ _ H r 1 J i o i HK C21 Sew 5 M o D Ht CIS 4t C9 r n _q p_ i q r r r r ft VI u M t 01 f HN4 1 1 MADE IN JAPAN EC0 ETP370A o 2 z w 3 S Mount...

Page 22: ...o a a o D Basic Interface Pack MPS1250 EUROPE l FPACK 1 of 2...

Page 23: ...mY Basic Interface Pack MPS1250 EUROPE I FPACK 2 of 2...

Page 24: ...a pa ca pd CO o r 1 OS C3 rt rt 0 m V 3 D a 3 3 a I in CO en en ui h J CO CO rj a o T3 TJ 5 5 c c c c c S H Q Q CO o o l H o 3 O O 1 I o o o CM CO to o tr o o c I CO to o o o to 1 CO to o o o 00 I CO...

Page 25: ...3r O z c 3 O D Z IS 2i o o o z o z C5 E3 3 o Hi 1 y O rn o CU U3 i H S u ta r __ _ o ffl cd C 3 C CS Cli s s 4 3 c en ffi D D...

Page 26: ...CO d O O 2 O 0 en CO i ttD bn CO M n CO 2 cu o z H H Q o o w D C i O D E Z O u H ta z CO 2 w c9 CO u n 3 D j j a CO CO cu O c c ffl ffl u u CO CO U3 in to en m o en fn...

Page 27: ...Qz Commodore Technical Training Friedrich Seele StraBe 10 3300 Braunschweig Tel 0531 895063 Fax 0531 85774...

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