Sharp MZ-80P5 Service Manual Download Page 1

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Summary of Contents for MZ-80P5

Page 1: ...1 page can be determined Both vertical and horizontal tabulation control is possible Switch for line by line paper feed and paper feed in page units Control is also possible through software Simultaneous copies up io 3 pages in eluding the original are possible Alarm bell sounds to warn the user of mechanical trouble lack of printing paper etc Bi directional printing Along with bi directional prin...

Page 2: ...ing coil energizing pulse width 16 1 0 card repair procedure 17 Power supply section 18 Functions of printer parts 20 Replacing of main printer parts 25 Replacing ink ribbon from cartridge 41 Repair procedure for printer mechanism 44 Circuit diagram and printed wiring board 57 Disasse mbled views 66 Packing method 71 Replacement parts list 72 ...

Page 3: ...er TMM 2732 4K Bytes RAM TMM 314APL 1 2114L 1 1K Bytes 1 0 TMM 8255AC Counter 8253AC Other IC s 22 pes Power Supply Unit Item Specifications Input AC 220V 10 50Hz AC 240V 1 0 50Hz for UK Output DC 26V 21 5 to 26 5V DC 15V DC 5V Item Specifications Printing paper Fanfold paper 4 10 inch wide Copies Max of 3 copies including original Printing paper thickness With in 0 3mm Ink ribbon Special cartridg...

Page 4: ...it cools down sufficiently Do not turn the paper feeding knob manual feed knob when the power is on or you will damage the paper feeding mechanism Do not print when the ink ribbon is loose When servicing and checking a printer that has been used for a long time remove dirt fuzz and dust from th inside and oil the mechanism There are two types of oil G2 and 02 Use the proper oil for each oil point ...

Page 5: ... PARTS AND EXPLANATION OF FUNCTI ONS Names of parts Control panel Power switch Appliance inlet Specification panel L Signal terminal 1 0 POR1 L FG Frame ground terminal Drive PWB unit r CPU board unit Switch PWB unit 3 ...

Page 6: ... character transfer routine RDA The printer outputs this signal under the following conditions Negative logic 1 When the power is ON 2 When the printer is READY RDP Outputs from the controller to the printer Positive logic Data RD1 _ RD8 strobe STATUS Responds in the following conditions according to STATUS demands from the controller Negative logic 1 PAPER EMPTY 1 BH 03H 2 Printer machanical trou...

Page 7: ... Select I I 8255AC Circu1t r PIO 1111 D f Control Bus D Add ess Bus Data B us l 2 e V 1 Memory Circuit ROM RAM I Interface Circuit STATUS RDA RDP RQ1 _ ROB I I I I Latch r_ Circuit Head Drive and Stopping Motor Circuit f Control SW Indicator and Buzzer Circuit Circuits n c OJ 0 C a OJ 0 n 0 c c c C 3 ...

Page 8: ...oard Block Diagram Head drive Printer circuit mechanism CPU board I Timer circuit CR step motor and drive circuits FEED step motor and drive circuits CR Step motor Carriage driving step motor Timing belt motor 6 ...

Page 9: ... Top of Form 5V 15V 26V 21 5 to 26 5V Check power circuit Check printer mechanism FEED TOF SW circuit Check FEED drive circuit Check CR step motor drive circuit printing head drive circuit Check printing head drive circuit FEED circuit 7 Check printer interface circuit 1 0 card ...

Page 10: ...CIRCUIT YES Check step motor for FEED Connect switch PWB Check FEED TOF switches and R 5 6 20 19 Check select circuit 1 Check latch circuit Check 023 039 022 Check connecting line latch circuit Check 011 12 13 14 Check IC2 8 2SC 1815 2SB 743 S5277B 2SD 986 7406 ...

Page 11: ...cuit Check latch circuit Check IC1 and adj cent circuit 555 Check 020 21 and adjacent I25A1015 I circuit 25C1815 9 Check 019 and adjacent 1 25C1815 circuit Check latch circuit Check 26V power circuit Check 01 to 8 250986 0 1 to 8 151555 010 to 17 RA 1 15953 ...

Page 12: ...TOR DRIVE Check CR step motor 10 Check latch circuit Check 26V power circuit Check 025 27 041 Check connecting line and latch circuit Check 015 16 17 18 IC3 IC4 03 R10 14 15 Check IC15 19 5 17 R17 C10 Check select circuit 1 Check IC23 2SC1815 2SB743 S52778 2SD986 7406 2SC1815 74LS14 74LS04 74LS08 74LS10 74LS74 8253 ...

Page 13: ...PRINTER INTERFACE CIRCUI J For CPU board check Connect cable Check IC1 3 74LS125 Check IC2 75189 Check latch circuit CheckiC16 I 7406 Check latch circuit Check IC16 7406 Check IC11 11 ...

Page 14: ... For CPU board check ________ Check chip select circuit Check IC 26 Z 80A Check IC13 74LS02 Check IC12 74LS04 For CPU board check Check IC11 8255 Check IC11 8255 Check reset circuit Check ICS 9 10 12 ...

Page 15: ...k oscillator circuit Check IC26 Check chip select circuit Check IC26 Check IC23 I 8253 Check EP ROM RAM circuits For CPU board check Check oscillator circuit Check reset circuit Check R30 Check each BUS line 13 2MHz Z 80A Z 80A ...

Page 16: ...rd Check Check IC26 Z 80A Check IC16 7406 Check IC27 74LS32 Check IC26 Z 80A Check IC24 74LS42 Check IC17 74LS08 For CPU board Check Check chip select circuit Check reset circuit Check IC26 Z 80A Check IC11 8255 14 ...

Page 17: ...chip select circuit IC22 ROM 1 IC25 ROM 2 For CPU board Check Check IC27 Check IC26 Check IC26 Check chip select circuit IC14 RAM 1 IC18 RAM 2 15 Check IC26 Check IC27 Check IC26 Check IC26 Z 80A 74LS32 Z 80A Z 80A Z 80A 74LS32 Z 80A Z 80A ...

Page 18: ... paper sensor lever located at printing paper insertion area 4 Draw out the power supply socket N0504 with 5 pin lead from the CPU board 5 Connect 3 units of D C power supply to the 5 pin connector N0504 of CPU board as shown below 24V D C current capacity 1 5A or more 15V D C and SV D C 6 While pushing the line feed switch of the set turn on the power switches of the three D C power supply units ...

Page 19: ...f printer interface circuit 1 Press insulated part of IC with finger to check if it is abnormally heated if there is an unappropriate change 2 Use a synchroscope to check if input and output logics of TTL IC do not match if TTL IC voltages are within the TTL level Note TTLievel High 2 4Vormore Low 0 5V or less 17 IC improper too large load in IC touching between circuits faulty soldering improper ...

Page 20: ...rcuit AC 220V o ov AC24 for UK Filter Power section transformer Rectifier section 1 Rectifier section Rectifier section 18 Smoothing Regulator 0 section section 26V 21 5 26 5V Smoothing Regulator section section 5V Smoothing Regulator section section 15V ...

Page 21: ... ICheck power transformer and input NO NO NO NO circuit Check 80103 F1 03 C103 C104 CheckR101 ZD102 Q102 Check Q101 output connector Check 80102 F104 C105 Check IC1 02 output connector Check 80101 F105 C106 Check IC101 output connector ...

Page 22: ...the carriage and generates the reference signal for printing The PTS sensor generates the timing signal used to determine printing position lt detects this signal and adjusts carriage speed The PE sensor detects the presence or absence of paper 1 HP Sensor Home Position Sensor The HP sensor consists of the home position sensor assembly and sensor board on the lower part of the carriage The signal ...

Page 23: ...nting mechanism are print head unit carriage timing belt timing belt motor and platen The print head unit on the carriage is moved to the right and left by the timing belt on shafts A and B of the carriage guide The timing belt is driven by the timing belt motor through the belt driving pulley and belt driving pulley Printing performs when the dot wire springs out toward the platen due to the flow...

Page 24: ...o the core when current flows in the driving coil and thus the dot wire springs toward the platen since it is connected with the function plate 2 The forced dot wire springs out till it strikes the platen and one dot is printed on the paper through the ribbon when it strikes the platen 3 The function plate is reset to its former position by the force of the function plate spring when current no lo...

Page 25: ...m The ribbon feeding me chanism is attached to the belt tension plate assembly Movement of the timing belt to the right and left is through the following arrangement of wheels The ribbon driving gear normally turns counterclockwise Carriage movement Arrangement of wheels 1 Left Right Belt driven pulley Planetary pinion 1 In direction of arrow Planetary pinion 2 Ribbon driving gear Right Left Belt ...

Page 26: ...nnector terminal No Connection Print solenoid 15 R T sensor GND 11 2 2 16 Paper sensor 3 0 17 11 3 11 4 4 L18 Paper sensor 11 5 5 19 Timing signal 11 6 6 20 Reset signal 11 7 7 21 CR motor A phase 11 8 8 22 B 11 9 9 23 c Print solenoid 10 Common line 24 D 11 11 25 PF motor A phase VLED 5V 12 26 B CR motor common 13 line 27 c PF motor common line 14 28 D Note Print solenoids are counted 1 2 9 from ...

Page 27: ...from frame LA side of the sprocket shaft E ring 3 Remove the sprocket unit and disassemble 1 Pull the sprocket shaft in the direction of the arrow and remove the sprocket bearing from frame RA 2 Lift the sprocket unit up and out 25 Frame RA 94V F303003000 Sprocket shaft 94VF303013010 Sprocket guide shaft 94VF303010010 Sprocket shaft 94VF30301301 0 ...

Page 28: ...er spring G pin and paper holding cover 5 Pull out the sprocket gear Spring pin Sprocket lc ck lever 94VF303011050 1 2 Assembly Sprocket frame 1 94VF303011 01 Sprocketwh 94VF303011020 1 Assemble the sprocket unit in the reverse order used for disassembly Note the direction for inserting LS leaf spring Sprocket bearing 94VC601302050 SP P2X 14 94VB130103216 26 Sprocket gear 94VF303013020 Sprocket ge...

Page 29: ...RA are the same but the direction attaching the sprocket lever and paper holding cover is different 2 Print Head Unit 2 1 Disassembly 1 Pull the head cable from the head connector When inserting or pulling out the head cable hold the place marked with arrows 9 and move the head cable horizontally in the direction of the arrow while pushing the head connector Head cable Head connector 0 iJ 2 Turn t...

Page 30: ... Remove the paper sensor board assembly 5 Remove the soldering of the reed switch 3 2 Assembly Sensor board assembly 94VF303009000 1 Assemble in the reverse order used for disassembly 4 PTS Sensor 4 1 Disassembly 1 Remove the sold_ ered lead wire from the PTS sensor board 2 Remove the PTS sensor board assembly 2 5mm screw x 1 28 Outer paper guide 94VF303007010 Paper sensor lever spring 94VF3030070...

Page 31: ...djust the PTS sensor board in the direction shown by the arrow in the figure so that the going and return T periods are almost equal 3 After adjusting fix the screw lock and paint the screw to lock it 5 HP Sensor 5 1 Disassembly 1 Remove the soldered lead wire of the HP sensor board from the terminal board Do not touch the timing belt the soldering iron 2 Remove the HP sensor board assembly 2 5mm ...

Page 32: ...adjusting fix the screw lock and paint the screw to lock it HP Signal PTS Signal I I 0 9 1 2ms 6 Motor Assembly Timing belt motor assembly paper feeding motor assembly belt driving pulley 1 Disassembly 1 Remove lead wires of the timing belt motor assembly from the terminal board 2 Remove lead wires of the paper feeding motor assembly from the terminal board 3 Remove the PTS sensor lead wires from ...

Page 33: ... sink 94VF303026010 _ Paper feeding motor assembly 94VF303031000 7 Remove the timing belt motor assembly from the timing belt motor heat sink 8 Remove the PTS sensor board assembly 9 Remove the belt driving pulley E ring When removing the belt driviog pulley frrst loosen the timing belt Refer to page 34 1 0 Remove the ball bearing from the belt driving pulley PTS sensor board 94V F303029000 t Timi...

Page 34: ...ssembly to the frame Check the gear backlash C should be minimum i I Gl 7 Timing Belt 7 1 Disassembly I I o J I _ 0r I ___v r c Timing belt motor backlash Paper feed motor backlash 1 Remove the timing belt motor assembly and motor heat sinker 2 5mm screw x 2 Do not mix up the screws Refer to mark in the figure 2 Pull the timing belt from carriage assembly A 3 Loosen the lock screw on the belttensi...

Page 35: ...asten the belt tension plate while gently stretching the timing belt 2 5mm screw x 2 4 Adjust the tension of the timing belt Using the hole in the belt tension plate adjust it to its rating on the spring scale Standard value 1300gr 50gr 5 Tighten the lock screw after the adjustment and paint the screw to lock it Belt tension plate 94VF303019000 2 5mm screw 33 ...

Page 36: ...d pull carriage shaft A out to the right Frame LA 94V F303002000 Frame RA 94V F303003000 2 Move the carriage to the center between frame LA and RA 3 Remove the home position sensor assembiy 2 5mm screw E ring There is no need to remove the soldered lead wire 4 Remove the lock screw for the belt tension assembly and remove the timing belt 2 5mm screw 5 Pull out the belt tension plate assembly and r...

Page 37: ...0020 3 Put in the belt driven pulley 4 Put in the belt driven pulley flange LS 3 0 07 6 _rr_ Planetary pinion 2 Put in the ribbon driving gear and ribbon tension plate and attach the timing belt Temporarily fasten with 2 5mm screw 3 Attach the home position sensor assembly E ring 4 Assemble carriage shaft A in the reverse order used for disassembly 5 Adjust the belt tension properly Refer to secti...

Page 38: ...fastening them Paper feeding motor assembly 94V F303031 000 Determine the position of the platen then push in the direction of the arrow so there is no space between the platen and positioning pins and then tighten the lock screws 3 Attach the sprocket transmission gear E ring 4 Attach the paper feeding motor Refer to section 6 2 on page 32 5 Attach the sprocket assembly Refer to section 1 2 on pa...

Page 39: ...ve the ribbon mask and head sitting plate 2 5mm screw x 2 Adjusting lever 94VF303001030 10 2 Assembly and Adjustment Screwdriver Ribbon mask 94VF303001092 Head sitting plate 94VF303001100 1 Temporarily fasten the adjusting lever 4N Set it in the middle step of the adjusting hole 2 Attach the print head unit to the carriage There is no need to insert the head cable into the head connector 3 Turn ca...

Page 40: ... into the connector 10 Fasten the ribbon mask and head sitting plate 1 Adjust the adjusting lever to its uppermost step Adjust it all the way to the side marked 2 Adjust the relative position of the platen ribbon mask and print head tip as shown in the figure Check that the ribbon mask is at a right angle a i b a b Print head unit Within 0 3mm of C standard Ribbon mask about 0 65nm 3 Put the head ...

Page 41: ...c A I B I I I Points for Oiling and Painting To lock screws 3 39 l L 01 JP 01 l I LS t i ili t G2 Jr t LSI 40 ...

Page 42: ... ribbon from the printer 2 Remove the cartridge case lid from the cartridge case frame Note There are catches in 6 places When removing the lid push the catches to the outside so they aren t bent and remove the cartridge case lid Cartridge case frame Fig 2 41 ...

Page 43: ...bbon package from its cellophane case Cellophane case Fig 4 5 Put the new ribbon nto the cartridge New ribbon 94VER 04 1 Ribbon package 1 Leave the ribbon in the package and put it into the cartridge as shown in Fig 5 2 Pass the ink ribbon through the path as shown in Fig 6 3 Hold the top of the package with your hand and pull out the bottom of the package in the direction of the arrow Fig 5 4 Rem...

Page 44: ...the direction marked on the cartridge and check that the ribbon is not pinched between the ribbon case Ribbon feeding rollwer Fig 7 Note After replacing the ink ribbon make a check on the cartridge label that indicats number of times the cartridge ribbon has been replaced After 5 checks use a riew cartridge ribbon Example PLATEN INKED RIBBON PRINT HEAD 43 ...

Page 45: ...Does the mechanism function Does the carriage move NO YES YES Does the carriage move NO when you move the timing To check parts t 4 connected with power belt by hand Is the timing belt motor driving signal normal YES Does it move when removing the cartridge ribbon Only timing belt moves Timing belt also doesn t move NO NO NO To check of things 1 _ related with control NO Only timing belt moves Tim...

Page 46: ...Is print head unit NO Connect the connector connected connector YES YES YES Is print head driving NO r waveform normal Does it make any NO Is 26V supplied NO function noise to print head To check the parts related YES NO with power supply Is printing done NO Move the Does it print by merely adjusting lever to the adjusting the Repai as on copy paper lowest step adjusting lever section 10 2 YES YES...

Page 47: ...e knob NO Remove cartridge NO Does knob move with turn by hand only the cartridge YES YES J Is ribbon fed when knob NO turns YES Does knob turn when NO Does ribbon driving gear NO To Repair ribbon moves turn when cartridge is 3 removed I YES YES I Does knob turn only YES when cartridge moves from left to right NO Does knob turn only YES when cartridge moves from right to left 46 ...

Page 48: ...r fed when Does motor heat up YES sprocket gear is when electric signal To Repair 5 tu med by hand is sent YES INO Does the paper feeding motor shaft gear also turn at the same time YES Is the paper feeding Wire motor wired according to section 6 YES Is 26V su ppIied to NO Check parts related paper feeding motor with power supply YES Is paper feeding motor NO Check parts related driving signal nor...

Page 49: ...ed with control Phenomenon 7 Prints even without paper Is paper sensor attached NO YES Is paper sensor NO lead wire wired YES Is reed switch moved NO by paper sensor lever YES Check parts related with control 48 Alright for a time but NO soon prints on same Iine t 4 YES Is there an abnormal load at the paper feed in inlet YES Attach paper sensor Lead wire soldering Section 3 2 ...

Page 50: ...hifts Is position of I N01 paper correct YES A re both right and left INO sprocket lock levers securely locked YES Is HP sensor securely INO fastened YES Does it have same INO period as PTS YES Check Phenomenon 9 49 YES Is 5V supplied NO Check parts related to PTS sensor with power supply YES Is it normal if PTS YES Check parts related waveform amp is changed with control NO Is contact of PTS YES ...

Page 51: ...essing NO paper firmly _ _c YES Is clearance between print head and platen correct YES Is it corrected when cartridge ribbon is changed NO YES After a time does it get dirty again YES Is clearance correct after adjusting with adjusting lever YES NO NO Is paper guide plate NO A put in correctly 1 t YES Is paper put in correctly YES Is paper within standards NO 50 ...

Page 52: ...laten correct YES NO NO NO Check Phenomenon 4 Does it immediately become light again YES Is clearance correct after adjusting with adjusting lever NO YES I YES Is paper within INO standards Phenomenon 13 Printing is light and dark Is clearance between tip of print head and platen correct YES NO 51 Is clearance correct after adjusting with adjusting lever YES Does light and dark 1YES printing disap...

Page 53: ...act of head connector alright NO Head cable side YES Is correct head driv ing signal outputted YES lsdotwire bent NO Terminal board side NO YES Is driving coil inside YES head disconnected 1 NO Check head connector and 3210 cable A Check things related with control 52 ...

Page 54: ...ge move smoothly by hand YES NO Do phase of HP signal 1NO and PTS signal match Practical Method of Repair Repair 1 PTS signal is bad HP signal is bad 1 Check points and method Check Phenomenon 2 1 Check 5V Standard 5V 5 2 Test whether LEDs are normal or not Does ribbon feed correctly NO Is clearance corrected by adjusting with adjusting lever YES 5V 5 1 I I I I PTS sensor _ I PTS signal I I I _j Y...

Page 55: ...r to page 32 2 If damage or wear to the gears etc are found replace the parts and readjust Repair 3 Ribbon driving gear does not turn 1 Check points and method 1 When ribbon driving gear does not turn by hand a Check meshing of gears of ribbon driven pulley planetary pinion and ribbon driving gear 2 When ribbon driving gear turns when carriage moves either left to right or right to left a Check me...

Page 56: ...eck Points and Method 1 Check if scale springs Land R are off and if there is wear etc 2 Method of repair 1 If damage etc to scale spring Land R is found change them Repair 7 Paper guide plate A is bad 1 Check Points and Method 1 Check if paper guide plate A is twisted and if there is a space between it and the platen 2 Method of repair 1 If paper guide plate A is deformed or if there is a space b...

Page 57: ...unit 1 Che k points and Method 1 Measure the DC resistance of the print head unit coil Standard approx 22r2 coil 3 7 I 5 9 4 8 6 2 2 Method of repair 3 7 6 2 1 If DC resistance of the coil does not indicate standard change the print head unit 56 ...

Page 58: ... R IC16 MREO I OPTION 13 2R23 11 IC27 LS32 11 0 c B A IC24 LS42 R IK lc2alc n lOOp 00 7 CS 6 CS4 I CS3 4 CS2 ICI7 3 4 10 08 2 3 8 9 I 2 I 0 I 6 4 IC17 08 C S I CSjl l T S IC7 LS I2 1 16 PRINT cse ICII 82 1 1AC iiR 1ili CS3 CS RES RESET ICI6 06 OATEjl lf5 1 o T GATE I 14 OATE2 1 NMI IO E T S1 c 1 NMIC 58 OPTION IV OPTION All A 1 4 111 04 Os De De AO Ae Ar M1 RESET Ae A 1 0 Wlf lflj ONO ONO PAO PA 1...

Page 59: ...NS ATCP T SIG VL PM 18 PM28 HOLD 2 V 15V 26V 26V 26V PRINT F G CONNECTOR 1 0 CONNECTOR I 2 PIN I 3 4 PIN3 I 6 PIN 7 8 PIN7 9 10 PIN9 11 12 PE 13 14 R SIG I 16 PMIA 17 18 PM2A li 20 HOLD I 21 22 HOLD3 23 24 IV 2 1 26 15V GND 13 27 28 GND 2i 0 GNO 31 32 GNO 33 GNO ___ _ ________ Control Switch LED Buzzer ______ _ __________________________ _ 1or 2o e 10 12 60 IS 70 16 80 19 26V RIB 2 2K 34 Pin conne...

Page 60: ...2 3 4 5 6 7 8 9 10 11 A 8 c PWB CPU Board Section Perspective View D Parts fitted face D Opposite side D E F G H 60 ...

Page 61: ... oiD 24 1 1 o I lr U I D26 5 12778 I 12 26 I VA24 1 5 27 VB24 Lo14 29 L _ _ J CONNECTOR 5 1 1CLR I 2 PIN I PIN 2 3 4 PIN 3 PIN 4 e 6 PIN I I I I I PIN 6 7 B PIN 7 T 6 4 PIN 8 9 10 PIN9 ATEP 11 12 PE T 13 14 R VL 15 16 PM lA PM 18 17 19 PM 2A PM 28 19 2D HOLD I HOLD 2 21 22 HOLD S I IV 23 24 IV I IV ze 26 I I IV 26V 27 29 GND 26V 29 30 GND 26V 51 32 GND PRINT 5 5 34 GND Rl2 1 2K HDLD2 VB24 U1 I I w...

Page 62: ...1 SW101 FUSE F101 0 T101 1 1 80103 S4VB10 r 1 I rr c I I I I I I I T F I I I I I I I I I I I I I I I I_ C107 33 351 C101 1001 101 C110 100 1 251 Parts marked with L are important for maintaining the safety of the set Be sure to replace these parts with specified ones for maintaining the safety and performance of the set 62 26V 5V 15V H ...

Page 63: ...A 8 c D E F G H Printed Wiring Board Power Supply Section 2 3 I 5 PRIMARY 6 7 8 9 10 SECONDARY 11 63 ...

Page 64: ... tc5 I ILSI25A Ill 12 I I 13 I I SJT I 4 I a J I RO 0 rriC9 7416 19 _a I I I I 5 61 I I Ill 1ol I I I 41 L __ _j IC8 7416 19 a I I I 1 5 6 I I I Ill _1ol I I 1 V V V V V V V I I I I I I I I I _ _21 V I I 113 121 V I I L __ _j WO VI VI 5V 220 1 I 2W JL J 390Jl I l O Oio 1 4W ROB RD7 R06 R0 5 RD4 R03 RD2 RDI RDP IRT RDA STATUS NOTE _v __ p IOREQ A7 A6 A 5 A4 A3 A2 AI RD WR AO w IC7 LSO 2 CO 13 c 14 ...

Page 65: ...H ap s al SOddQ D a e pan SlJed D Ma 9A l 9dSJad 3 gg a 8 OL 6 8 L 9 9 l ...

Page 66: ...A B c D E F G H 1 DISASSEMBLED VIEWS 2 8 D 8 3 4 5 6 7 8 9 10 11 66 ...

Page 67: ...J K Ill L M Changed to PR DAR0043PAZZ Sub Radiator during production IC102 Si3552 are attached to Sub Ragiator The secondary lead wire of main transformer will be passed between the transformer and the secondary power board IllI IIll 68 N 0 p ...

Page 68: ...I CJ CO I I 0 I 0 00 U1 C r s m c r z 0 ...

Page 69: ...ZZI Sack issAKHoo33PAzzJ A MZ 80P5 Packing Add R SPAKA0044PAZZ Packing case SPAKC0125PAZZ ________ E Instruction manual Sometimes not packed in same case Screw r Sleeve SPAKS0069PAZZ 71 F G H o S P AC Cord 0ACCK0050AFZZ 0ACCB0001 PAZZ for UK SESA Paper guide DGiD 0005PAZZ ...

Page 70: ...114L 1 SN74LS74N SN7406N SN74LS08N SN74LS10N SN74LS107 ROM TMM2732 8253AC SN74LS42N ROM TMM2732 CPU ZSOA SN74LS32N TRANSISTORS AND DIODES 01 02 03 VS2SC1815 1 01 02 VH01S1555 1A RESISTORS R1 R2 R7 R3 Rt 1 R6 VRO SC2EF471 J VRO SC2EF223J 2SC1815 151555 470 ohm 1 4W 2 2 Kohm 1 4W AG AN AM AE AO BA AE AY AG AG AE AE AG BP BC AH BP BG AF AB AA AA AA R21 s R23 R28 R30 s R33 R35 7 R19 R20 R9 R10 R11 R14...

Page 71: ...1II 1 2SD986 AF CAPACITORS o 8 J Cl C2 019 C5 VCKZPR1 HF103P 0 01 MFD 50V Ceram ic I AA 021 s 023 VS2SC1815II 1 2SC1815 AB C7 s C3 025 C4 VCEAAU 1CW1 06Y 10MFD 16V Aluminum AB 020 VS2SA10151 1 2SA1015 AC C8 VCOYKU1HM104K 0 1MFD 50V Film AB 022 C9 VCKZPU1 HF1 02P 0 001 M FD 50V Ceramic AA 026 VS2SB743III 1 2SB743 AE 027 MISCELLANEOUS DIODES CN1 OSOCZ0023PAZZ 34 Pin Socket AX CN2 OSOCZ0017PAZZ 28 Pi...

Page 72: ...ub Radiator PWB Fixing Spacer Appliance Inlet Joint Pin OTHER SECTION GCABA8207PASA GCABB8207PAS A DCABC8207PASA GCOVA0005PASA GCOVA0006PASA PGUMS1 01 OPASA TSPCE0015PAZZ TSPCE0021 PAZZ HBOG 00004PASA HBDGB1002CES PG UMZ0002PAZZ PGUMZ0003PAZZ PGUMZ0004PAZZ GCOVA0007PASA DSOCZ0010PAZZ DBTN 0002PASA LSTYM0009PAZZ LSTYM0010PAZZ LX BZ0076PAZZ D KNB 0002PASA LFiX 0009PAZZ LSTYP0001 PAZZ DG iD 0005PAZ Z...

Page 73: ... AG 141 94VC601302050 Plane Bearing AE Metal 142 94VB1 01251490 Leaf Spring 6 0 15 11 AB 143 94VB1301 03216 Spring Pin ct 2x14 AB PRINTER MECHANICAL UNIT SECTION t I 144 94VF303010010 Sprocket Guide Shaft AO 145 94VF30301 0020 Paper Guide Roller AT 101 94VF303002000 Frame LA AZ 146 94V F303001 080 Sprocket Transmission Gear AK 102 94V F303003000 Frame RA BA 147 94VF303021 001 Paper Guide Plate A A...

Page 74: ...MZ 80P5G H S IA81 0220KS I Printed in Japan ...

Page 75: ... b I I _ _ I l I I I D i I I I I I l SHARP SERVICE MANUAL CODE OOZMZBOP5111J _ ___ _ Dot Printer MODEL MZ 80P5 LATEj ISUPPLEMENT I M t b l tt s 11 fV t Pc g TS 11 E St A rL P P 6 N 11 1 C i A S ll t c t A TEf2 EY CZ 12 afV SHARP CORPORATION ...

Page 76: ... ot ooc ttt tc owoo liDS oil o oo I I I J T oOOMQ040 tSOI A oSO I C2S r I r r f oe ll ID 7 C lt re Jt4 4 T 047003P IO f IC20 IC22 7 LS273 2716 TMM3230 4 40 t 1 Ao Do __ 13 so se a D L 7 so JO At Dt 14 6D ao IS Os t 20 o _ D fO tl s o il I D 10 1 z Do eo eo 19 I Or e __ CL CL u v I Zl At v fv_J L v ____ R cs I vu CS I wll 01 1 LS 32 e 1 0 18 Do f l 0 0 D C 0 o 10 7 0 o 0 l T D o 6 0 04 Ot 40 4 0 Do...

Page 77: ... 4P L 0 LI f C 1 ro MI5 01 1 4 1 50J Of LII j SW OI I __ ______ 02 iOOOP 1 11 ln L r I I rr I r s a o 0 l9 11 AO POP 7 I I 1 FOR MZBPS ONLY 11 I CM 11 n 1 I02 I Utl I I 0 ICI 1 505 1 15 T OQ003P ICI5 13 11 15ao J Cl I I I __lll_ I 6l 3 B Ao A o AJ AS 114 oU A4 117 AI vcc AIO A b o so CE F 2 ICI6 2732 crP o nGND 00 0 Oz os Do D Do lr I gJ 101 J r J 61 1 I 61 15 1tA4 A IAI 2 AJ 2 A5 IC 15 74 LS244 I...

Page 78: ... I c 0 ID I SF ZOl liill 81 R25 _ _ _ Hill Bill ll 0 Cl N 0 c u 0 0 IJ 0 iU I n I I n iti lll iil Aili e I L 4 I 9 e e e e e e e e W t li t Q 0 C1 Q 0 0 Q Q I 0 t c C1 c 0 0 GJ MZ 80P5B l MZ 80P5A MZ 80P5 MZ 8BP5R MZ 8AP5R or MZ 8KP5R N I M V LD c o CO 0 0 I V I ...

Page 79: ...11 5 ...

Page 80: ...A 2 3 4 7 9 10 11 B c D E Printed Wiring Board Power Supply Section FIOI r 1 __ r a 6 F G PRIMARY for 220V 240V PRIMARY for 110V H SECONDARY Hor110V 220V 240V ...

Page 81: ...40 40 3 I 2 1 V I ROP A4 l7 RESE T A3 la EX RESET A2 9 EX INT A I I 2 0 EX WAIT 0 2 1 NMI GND LGri O 2 2 IC6 I 30 LS17 5 30 6 1 3 Y CLOCK 9 I v I L _ _ _j CLEAR I 3 2 RS T WO VI I I RT D A A fitTS SIDE l I IC 5 lut 25A 11 12 VI I TAT US 11 0 C itOior PRIN TE R _ _ I 13 I V I 4 I 220 l I 2W JL J 39Gn I lOO t 4W NO T E _v __ RO w tv IC7 LS04 _2 _ _ IOREQ ll 0 A7 A6 1 2 Q A a A4 A3 A2 A I 2 Q lo l n ...

Page 82: ...I I I I I I I I I I 2 3 4 5 6 7 9 10 11 E Printed Wiring Board 1 0 Card Section 8 F G Perspective View J Parts fitted face D Opposite side H ...

Page 83: ...N IC9 AH i X0078PAZZ SN74LS32N IC10 AH i X0086PAZZ SN75189N IC11 IC15 RH iX012JPAZZ SN74LS244N IC12 AH iX0249PAZZ TMP8155P IC13 RH iX0294PAZZ TMP8085A CPU IC14 IC20 RH iX0250PAZZ SN74LS273N IC16 CG ROM Data Control IC17 AH iX0296PAZZ SN 74LS374N IC18 AH iX0074PAZZ SN74LS04N IC19 AH i X0293PAZZ TC40H004P IC21 RH iX0248PAZZ TMP8039P 6 CPU IC22 DPR OM0026PAZZ ROM IC21 Control ROM IC 16 may not be com...

Page 84: ...ay 1 2K ohm x 8 AD RA2 RR KZ0038PAZZ I Resistor Array 3 3K ohm x 8 AC A4 VAO SC2EF121J 120 ohm W AA RA3 A R KZ0037PAZZ Resistor Array 3 3K ohm x 7 AC A5 VAD SC2EF 271J 270 ohm W AA VRl RVA M0038PAZZ Variable Resistor 22K ohm AE MISCELLANEOUS CAPACITORS Cl SW1 SW2 OSW POO 1OPAZZ Top of Form Line Fe d AD Switch l C6 BUZZER PALMB0003PAZZ Buzzer AH I C7 1 DSOCN0164PAZZ Lead Wire with 9 Pin Socket AG I...

Page 85: ...09VAZZ Appliance Inlet Joint Pin Insulating Washer forTA78015 PSPAM0001 VAZZ Insulating Sheet for TA78015 PSPAY0003PAZZ Insulating Cover OTHER SECTION GCABA8207PASA GCABB8207PASA DCABC8207PASA GCOVA0005PASA GCOVA0006PASA Cabinet A bottom Cabinet B upper Cover Assy Cover Transparent Cover BB Ae b AD AE Aa AF AG AW AA AE AG AA AA AA AA AB BF BK AU AQ AM 1 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28...

Page 86: ...ing AK C23 VCKYPU1 HB1 02K 1 OOOPF 50V Ceramic AA 142 94VB101251490 Leaf Spring 6 0 15 11 AB 143 94VB130103216 Spring Pin 4J2x 14 AB MISCELLANEOUS 144 94VF30301 0010 Sprocket Guide Shaft AQ 145 94VF303010020 Paper Guide Roller AT QPLGZ0086PAZZ 25 Pin Terminal BF 146 94V F30300 1080 Sprocket Transmission Gear AK LANGK0297PAZZ 25 Pin Terminal Fixing AG 147 94VF303021001 Paper Guide Plate A AZ Metal ...

Page 87: ...1 2 3 4 5 6 7 __ 8 9 A 8 c D E F G H I 13 ...

Page 88: ... I 1 i l f I 1 l i I r I I t i l 1 ...

Page 89: ... 1 11 I a 1 I 0 I I I z t I w 0 l u i I l I t I al I I i j I I I I 1 I 5 c CO t i E B c 0 M 0 I I I CD I ...

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Summary of Contents for MZ-80P5

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Sharp MZ-80P5, Service Manual, Page: 1 / 89

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Summary of Contents for MZ-80P5

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