Pentax Data MX, Service Manual

Page 1: ...SERVICE MANUAL ...

Page 2: ...21A Shutter dial assembly 0 E223 Hook pin E228 Speed dial assembly 0 E229 c Knob assembly 0 D1 Nut D12 23110 D16 1 A Cover ring D7 d Top cover retainer screw A15 x 2 CSS 1 7 x 2 2 x 2 Top cover assembly A300 4 Unsolder 7 lead wires 5 Front board plate assembly A100 Not necessary to cock self timer Cover A24 0 1mm washers are underneath the Front board plate 6 Sv resistor assembly J300 Retainer scr...

Page 3: ...mbly 0 M74 Idle gear supporter plate M73 Screw M75 b Remove Bobbin M85 CNL B 1 4 x 2 0 Without turning brass gear c Adjusting plate assembly 0 M68 Pulley seat assembly 0 M76 Left handed screw M72 d Restitution spring assembly 0 M62 Hinge retainer spring A5 CNM 1 7 x 2 5 x 2 W3 15 Governor actuator plate C252 Screw C253 CNL E 1 7 x 2 5 After removing C252 install CNL E 1 7 x 2 5 again 16 Slow gover...

Page 4: ...or gear collar E123 28 Slow speed cam shaft E401 LW 17 W70 29 Winding seat assembly C100 Nut B E144 CNM 1 7 x 3 0 CSS 1 7 x 2 5 30 Release plate assembly 0 A502 CNL D 1 4 x 2 0 Shutter actuator plate A assembly 0 A504 31 Shutter rod spring A514 Shutter rod assembly 0 A501 32 Self timer H100 CNM 2 0 x 9 0 CNM 1 7 x 3 0 33 X contact seat assembly 0 J621 CNS 1 7 x 2 5 x 2 34 High speed lever assembly...

Page 5: ...47 b E146 c E145 W3 d E152 44 Shutter curtain light seal A17 After releasing the shutter remove A17 CNS 1 7 x 2 5 x 2 45 Curtain stopper E139 a After releasing curtain tension remove Worm E41 x 2 b Worm wheel E42 x2 left handed c Curtain stopper screw E143 23800K E143 A d Curtain stopper retainer screw E142 e E140 E141 f Not removing Curtain stopper E139 retain it with E142 46 Shutter curtains a C...

Page 6: ...screw C226 left handed 51 Rewinding actuator lever assembly 0 C241 a CNL B 1 4 x 2 0 b Spring retainer C243 c Rewinding actuator lever spring C242 d 0 C241 52 Bottom mec plate assembly C200 a Stopper pole C267 CNS 1 7 x 2 5 b Coupler guide C268 c C200 d Sprocket C236 ...

Page 7: ...as shown in Figure b When installing Coupler gear assembly 0 C222 it should be positioned as shown below besides sprocket teeth should not be moved 5 Shutter curtains a Top mec plate assembly 0 C1 C27 C28 Curtain strings should not be off from rollers b Curtain plate assembly 0 A25 Arrangement of both curtains is opposite from SP type camera 6 Worm E42 and Worm wheel E41 Turn worm wheel two rounds...

Page 8: ...verlapping After cocking the shutter both curtains should be overlapping completely or within 0 1mm deviation 9 Bounce stopper E152 E152 W3 E145 E146 10 Curtain stopper E139 E139 E140 E142 E143 23800K E143 A E147 11 Top 2nd gear assembly 0 C9 C11 12 Coupler pinion E11 E12 before cocking the shutter 13 Restitution retainer lever C22 C23 C25 C22 C24 14 Winding shaft assembly 0 C19 01 a Clearance bet...

Page 9: ...ectly as mentioned before Perforation is adjusted definitely here 15 Reversing plate E111 and hook plate a E112 C26 W6 E111 C137 Check the function and play of E111 the play should be within 0 1mm b W1 E153 E155 E154 16 Intermediate gears Shutter cocked a Sprocket teeth should be positioned correctly as mentioned before b b 0 E101 c Spill E105 d E104 Clearance between E104 and E105 should be desir...

Page 10: ...0 x 3 21 Winding seat assembly C100 together with winding lever Back cover open Confirm the position of transporting claw before installing as shown in figure Straight parts of transporting claw should align with the center of Nut B E144 with shutter cocked and back cover close Check counter dial movement counter dial should be transported till 37 point not 38 If counter dial proceeds till 38 poin...

Page 11: ...talling it take care of shortage or leakage to camera body 26 Installing seat assembly 0 A508 CSS 1 7 x 2 2 x 2 27 Coupler lever assembly 0 C244 a Cord holder J525 Coupler lever spring hook screw C214 b 0 C244 Coupler lever retainer screw C248 left handed c Coupler lever spring C266 d Check the function of 0 C244 28 Pinion coupler lever assembly 0 C254 W70 0 C254 C257 C137 29 Pinion coupler gear a...

Page 12: ...s fastened without catching E401 with pliers jointing split part underneath E200 spreads with revolving power of E401 and slower shutter speed will be affected 31 Governor G100 CNM 1 7 x 2 0 CNM 1 4 x 2 0 a Shutter speed at 1 125 b Install G100 without bending small levers such as angle lever etc 32 Governor actuator plate C252 a Shutter speed at B b Cock the shutter c C252 C253 x 2 as shown in Fi...

Page 13: ...e pulley of 0 M62 After installing 0 M62 Tv wire should not be loose If it is loose give tension by moving 0 M68 but too much tension makes it harder to adjust the position of Indication plate M61 e M73 0 M74 M75 Gear of 0 M62 and 0 M74 should be gearing not too deep and check the function 35 Mirror housing complete assembly B000 a Battery seat assembly 0 A CNS 1 7 x 2 5 x 2 b B000 should be insta...

Page 14: ... eccentric screw 3 Fasten screw 4 Apply red lacquer on screw 38 Shutter stroke Shutter dial at B a Install Top cover assembly A300 and Winding lever assembly C300 temporarily b Depressing shutter button gradually shutter starts working at 2 1 0 2mm from origina1 position c Self timer exposure time adjustment at B Around 1000ms 39 Main SW keep adjustment Main SW stroke 0 6 0 2mm 40 Tv indication a ...

Page 15: ...screw A 4 Each figure of Tv indication must come in the center portion adjusting eccentric screw B 41 Front board plate assembly A100 Mechanical back 45 46mm 42 Sv resistor assembly J300 E208 43 P C board assembly H500 a LED A41 01 W3 CNM 1 7 x 2 5 CNL D 1 4 x 2 5 b GPD J205 J206 J208 c Bonding J500 to Penta prism cover d J204 J209 x 2 44 Soldering lead wires 7pcs 45 Bottom cover assembly A400 CSS...

Page 16: ...60 ASA100 When voltage is dropped down from 2 8V to 2 7V LED indication should not change e When mirror stays up LED should not light on Check it at B 48 Focusing adjustment a Removing Top cover tool and others b Adjust focusing with Focusing screw M6 x 4 49 Adjustment of Focusing plate holder assembly 0 B101 If vertical play is felt on 0 B101 remove Cover plate B109 and adjust the position of Hoo...

Page 17: ...1st curtain Arrangement of both curtains is opposite from SP type camera Install 1st curtain 0 E36 engaging 2nd curtain string with the rollers 6 Removing Top mec plate assembly 0 C1 from camera body for a while engage 1st curtain string with the 2nd curtain pinion rollers and re install Top mec plate assembly 0 C1 to camera body without slipping off the string from rollers 7 2nd curtain hold posi...

Page 18: ... adjusting the length of 1st curtain string Aron alpha is applied to curtain string and its retainer screw CNS 1 4 x 1 6 after adjustment is finished and cut the curtain string after turning around the Bobbin one time on the other way 11 Clearance between Bottom selector gear assembly 0 E124 and High speed lever assembly 0 E126 should be adjusted at 0 1mm with cocked position by turning Adjusting ...

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Page 23: ...ide screw 1 A7 Cassette receptacle 1 0 A8 Battery seat assembly 1 A8 A9 A10 x 2 A11 Tripod screw 1 23602 A23 0 A13 01 Strap hook assembly 1 A13 01 A14 A15 Top cover retainer screw 2 A16 Mirror box retainer screw 2 A17 Shutter curtain light seal 1 A18 Light seal 1 A19 Body covering left 1 A20 Body cuvering right 1 A24 Cover 1 0 A25 Curtain plate assembly 1 A25 M7 1 x2 A27 Sprocket shaft receptacle ...

Page 24: ...A108 Mount lock button assembly 1 A108 A107 A109 A110 Collar 1 A111 Lock button spring 1 A112 Lock pin supporter plate 1 A113 01 Front board retainer screw 4 23602 A159 A114 Front board light seal 1 23701 A120 A116 01 Front board light seal 2 A121 01 Base plate 1 0 A123 Charge lever assembly 1 A123 A122 01 A124 A125 01 Charge lever shaft A 1 0 A127 01 Charge lever shaft B assembly 1 A127 01 A145 A...

Page 25: ...1 23701 A220 A300 Top cover assembly 1 A301 A336 A302 Accessory shoe 1 A303 Accessory shoe spring 1 0 A304 Accessory shoe base assembly 1 A304 A305 A306 Contact spring A 1 A307 Contact spring B 1 A308 Collar 1 A309 Retainer screw 1 A310 01 Insulation washer 1 23602 A327 A311 SW pin 2 A312 Indication plate 1 23701 A307 A315 Cover ring A 1 0 A316 Shutter button seat assembly 1 A316 A317 A318 Guide s...

Page 26: ...lling seat assembly 1 A508 A509 A510 A511 A512 A513 LW13 A514 Shutter rod spring 1 B000 Mirror housing complete assembly 1 B1 B112 0 J531 01 0 J532 02 0 B2 Mirror seat assembly 1 B2 B3 B4 B5 B6 x 4 B7 B8 Spacer 1 0 B9 Supporter right assembly 1 B9 B10 0 B11 Supporter left assembly 1 B 11 B12 B13 Mirror seat restitution spring 1 0 B15 Mirror actuator lever bottom assembly 1 B15 B16 B17 B18 x 2 B19 ...

Page 27: ...ly 1 B71 B72 B73 0 B79 Mirror charge hook plate assembly 1 B79 B80 B81 Hook plate spring 1 0 B83 Mirror seat receptacle assembly 1 B83 B88 B84 Mirror seat receptacle screw 1 0 B85 01 Mirror seat receiver assembly 1 B85 01 B86 B87 Mirror seat recever spring 1 B89 Light seal frame 1 B90 01 Mirror shock absorber 1 B91 Mirror adhesive tape 1 B92 Light seal A 1 B94 Light seal B 1 B95 Light seal C 1 B96...

Page 28: ...lever 1 C23 Collar 1 C24 Supporter screw 1 C2S Restitution lever spring 1 C26 Winding plate supporter 1 C27 Top cover supporter 1 C28 Top mec plate screw 1 C29 01 Spacer 1 C100 Winding seat assembly 1 C101 C142 C200 Bottom mec plate assembly 1 C201 C215 C262 E6 E15 E44 C214 Coupler lever spring hook screw 1 0 C216 Spool gear assembly 1 C216 C217 C218 01 Winding shaft receptacle 1 C219 01 Bottom ma...

Page 29: ... Coupler lever retainer screw 1 0 C249 Pinion coupler gear assembly 1 C249 C250 C252 Governer actuator plate 1 C253 Governer actuator plate screw 2 0 C254 Pinion coupler lever assembly 1 C254 C255 C256 C257 Pinion coupler lever spring 1 C263 Bulb coupler lever spring 1 C264 Idling gear 1 C265 Bottom main gear screw 1 C266 Coupler lever spring 1 C267 Stopper pole 1 23701 C18 C268 Coupler guide 1 C2...

Page 30: ...5 E37 0 E38 01 2nd curtain assembly 1 E38 01 E4 E8 E9 E10 E27 E28 E29 E30 E31 E32 E33 E34 E35 E39 E40 01 Bottom shaft rest 1 E41 Worm 2 E42 Worm wheel 2 E46 Collar 2 0 E101 01 Intermediate gear bottom assembly 1 E101 01 E102 E13 E104 Intermediate gear top 1 E10S Spill 1 E106 Spill retainer plate 1 E107 Intermediate gear retainer screw 1 E108 Spill spring 1 E109 Spill spring screw A E110 Spill spri...

Page 31: ...41 Lubrication tube 1 23701 E276 E142 Curtain stopper retainer screw 1 E143 Curtain stopper screw 1 E144 Nut B 1 E145 Bounce stopper 1 E146 Bounce stopper screw 1 E147 Bounce stopper spring 1 0 E148 Synchro actuator plate assembly 1 E148 E149 E150 E151 Synchro actuator spring 1 E152 Bounce adjusting screw 1 E153 Hook plate 1 E154 Hook plate screw 1 E155 Hook plate restitution spring 1 E200 Shutter...

Page 32: ...5 P C board retainer plate 1 J206 Spring 1 J207 Mask 1 J208 P C board retainer plate screw 1 J209 Hot shoe contact screw 2 23602 N15 J300 Sv resistor assembly 1 J301 J307 J400 f volume assembly 1 J401 J402 J403 Collar 2 J500 P C board assembly 1 J501 J502 J503 J504 J506 J507 01 J508 Adhesive tape 1 23700 J507 0 J521 SW plate assembly 1 J521 J522 J532 01 J524 x 2 J525 Cord holder A 1 J526 Cord hold...

Page 33: ...4 x 4 M5 M10 M5 Ground glass mask 1 M6 Focusing screw 4 0 M7 Receptacle plate assembly 1 M7 M8 x 4 M9 x 4 M10 Penta mask 1 0 M12 Penta retainer plate A assembly 1 M12 M14 0 M13 Penta retainer plate B assembly 1 M13 M14 M15 Prism protector 1 M16 Penta retainer plate 2 M17 Penta retainer plate tape 2 M51 Seat 1 M52 Cover plate 1 0 M53 Supporter plate assembly 1 M53 M54 M55 M56 M57 M58 M59 M60 M61 M6...

Page 34: ...23800 36 33 Parts No Description Quantity Interchangeability 0 M74 Idle gear assembly 1 M74 M83 M75 Screw 1 0 M76 Pulley seat assembly 1 M76 M77 M78 M79 M80 M81 M85 00A Bobbin A 1 00B Bobbin B ...

Page 35: ...E113 E120 2 CNS 1 4 x 1 6 A506 A501 1 1E3 E37 2 CNS 1 4 x 2 G100 G201 1 CNS 1 7 x 1 5 A17 A1 2 CNS 1 7 x 1 6 C202 C201 2 CNS 1 7 x 1 8 C17 A 1 2 CNS 1 7 x 2 A112 A101 2 D8 A1 3 J531 B1 2 L3M1 2 CNS 1 7 x 2 5 A135 A101 2 A8 A1 2 M51 B1 2 C202 A1 1 J621 A1 2 C201 A1 1 CNS 1 7 x 3 5 B89 B1 4 CNM 1 4 x 2 5 D6 D1 2 CNM 1 7 x 2 A61 A1 2 A25 A1 2 C100 A1 1 CNM 1 7 x 2 5 C201 A1 1 M62 A5 A1 2 J612 A1 1 J5...

Page 36: ...40 A1 2 CSS 1 7 x 6 5 A302 A301 2 CNM 1 7 x 3 5 A11 A1 2 T CSM 1 4 x 3 5 Nickel C304 C301 1 CNL B 1 4 x 1 5 Black nickel B107 B1 2 M53 B51 2 CNL B 1 4 x 2 M85 E209 1 C241 C206 1 Small screws CNL D 1 4 x 1 6 E135 C6 1 A515 A504 1 C134 C101 1 CNL D 1 4 x 2 C142 C101 1 A504 A501 2 CNL D 1 4 x 2 5 A502 A501 1 J501 M75 1 CNL D 1 4 x 3 B15 B20 1 B46 B45 1 B79 B74 1 CNL D 1 7 x 2 B83 B1 1 CNL D 1 7 x 2 5...

Page 37: ...5 0 2 0 25 0 3 AS M62 2 0 2 J501 A41 1 W6 Stainless 0 03 0 05 0 07 0 01 0 15 0 2 C136 C105 1 C126 C128 1 C134 C101 1 E111 C4 1 A143 A144 1 E402 E401 1 0 1 M62 M63 1 W7 Brass 0 05 0 1 0 15 0 2 A101 A1 1 W14 0 03 0 05 0 1 M62 M63 1 0 1 0 15 B41 B39 1 W16 0 3 C202 C216 1 W22 0 2 0 3 0 4 C204 C227 1 0 1 0 15 0 2 0 3 C141 C112 1 W24 0 1 0 15 0 2 C270 C218 1 W28 0 3 C229 1 W40 0 1 0 15 B74 B75 1 W62 0 1...