Pentax MZ-S Service Manual
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Pentax MZ-S Service Manual

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English
E
     
 
 
 
 
 
PRODUCT No.27640    ＭＺ -Ｓ  
 
PRODUCT No.27641    ＭＺ -Ｓ  
 
      
      
≪ English Version≫
QUARTZ DATE (BLACK) 
QUARTZ DATE (SILVER)
©
Asahi Optical Co., Ltd.
Technical Service Section.
 
05:01 H.Y

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Summary of Contents for Pentax MZ-S

  • Page 1 English ≪ English Version≫                 PRODUCT No.27640    ＭＺ -Ｓ   QUARTZ DATE (BLACK)    PRODUCT No.27641    ＭＺ -Ｓ       QUARTZ DATE (SILVER)               © Asahi Optical Co., Ltd. Technical Service Section. 05:01 H.Y...

  • Page 2: Table Of Contents

    [ INDEX ] Page [OUTLINE OF DISASSEMBLY & ASSEMBLY] ................... 2 OUTLINE ..............................2 CHART OF DISASSEMBLY & ASSEMBLY ..................2 [PROCEDURES OF DSASSENMBLY & ASSEMBLY] ..............3 1.EXTERNAL PARTS..………………………………………………………………………………3 2. MAIN BODY & FRONT COVER BLOCK..................11 3. MAIN P.C. BOARD (0-T100) ......................15 4.DISASSEMBLY &...

  • Page 3: [Outline Of Disassembly & Assembly]

    & ASSEMBLY OUTLINE OUTLINE OUTLINE OUTLINE Follow the procedure and the notice whenever disassembling & assembling 27640(MZ-S). Chart for disassembly & assembly. Chart for disassembly & assembly. Chart for disassembly & assembly. Chart for disassembly & assembly. 1 1 1 1 .External Parts...

  • Page 4: [Procedures Of Dsassenmbly & Assembly]

    Procedures Procedures Procedures Procedures of disassembly & assembly. External Parts. Parts numbers are described based for 27640(Black). Refer to the Service Parts List for 27641(Silver). [Note] [Note] [Note] [Note] To prevent internal electronic circuit from being destroyed by the static electricity, use anti-static matte and wrist strap.

  • Page 5: Adj·chck] Positioning Light Receiving Sensor

    1 1 1 1 - - - - 3. 3. 3. 3. P(Film chamber) side of Front P(Film chamber) side of Front P(Film chamber) side of Front P(Film chamber) side of Front cover(A153). cover(A153). cover(A153). cover(A153). 1 screw at side cover SW･･･ remove from X terminal side.
  • Page 6 1 1 1 1 - - - - 2. Grip 2. Grip（ （ （ （ A150 A150） ） ） ） 2. Grip 2. Grip A150 A150 1) Solder 5 lands on 0-I230. 0-I230 2） 3 Screws （A182 x2：Size1.7x3.5） 3) A12(Strap hook),1 screw･･･ Apply screw lock at the screw hole.

  • Page 7: Chck]Checking Quiescence Current

    1 1 1 1 - - - - 8.[Check] Quiescence current 8.[Check] Quiescence current 8.[Check] Quiescence current 8.[Check] Quiescence current [Preparation] [Preparation] Regulated power supply, Ampere meter(Circuit tester) [Preparation] [Preparation] Power adaptor (Hand made : Modify Battery grip BG-10) [Check] [Check] [Check] [Check] Set regulated power supply DC5.5V(over 3A).
  • Page 8 8). Back cover SW 8). Back cover SW 8). Back cover SW 8). Back cover SW· · · · Winding Winding Winding· · · · Rewinding Winding Rewinding Rewinding Rewinding -1）The film should be wound and exposure counter advances to [1] when loading 36ex. test film, close the back cover and turn the main SW on.

  • Page 9: Adj·chck] Adjustment With Programme Soft Ware

    1 1 1 1 - - - - 10.[Adjust 10.[Adjust･ ･ ･ ･ Check] Adjustment with programmed soft ware. Check] Adjustment with programmed soft ware. 10.[Adjust 10.[Adjust Check] Adjustment with programmed soft ware. Check] Adjustment with programmed soft ware. [Prepared] [Prepared] [Prepared] [Prepared]（...

  • Page 10: Chck] Shutter Speed· X Time Lug

    1 1 1 1 - - - - 1 1 1 1 1.[Check] Shutter speeds, X 1.[Check] Shutter speeds, X 1.[Check] Shutter speeds, X 1.[Check] Shutter speeds, X- - - - Time lug. Time lug. Time lug. Time lug. [Jigs, Tools, Testers] [Jigs, Tools, Testers] Shutter tester (1/6000sec.

  • Page 11: Chck] Checking Af· Pz

    1 1 1 1 - - - - 14.[Check] Checking AF 14.[Check] Checking AF 14.[Check] Checking AF 14.[Check] Checking AF· · · · PZ [Testers and Jigs] [Testers and Jigs] [Testers and Jigs] [Testers and Jigs] Collimator(or Optical regulator for MEF), Focus master lens, FA power zoom lens - - - - 1.[Check] AF focus position (Using FI focus indicator) 1.[Check] AF focus position (Using FI focus indicator) 1.[Check] AF focus position (Using FI focus indicator)

  • Page 12: Main Body & Front Cover Block

    2.Main Body and Front cover block. Main Body and Front cover block. Main Body and Front cover block. Main Body and Front cover block. [Sequence of disassembly] [Sequence of disassembly] [Sequence of disassembly] [Sequence of disassembly] 0-D201 2 2 2 2 - - - - 1. 1. 1. 1. Bottom base plate(0 Bottom base plate(0 Bottom base plate(0- - - - D201) Bottom base plate(0...

  • Page 13: Chck] Mechanical Back

    2 2 2 2 - - - - 4. Eyepiece lens portion 4. Eyepiece lens portion･･･Remove M311(adhered with Self adhesive tape) 4. Eyepiece lens portion 4. Eyepiece lens portion 2 2 2 2 - - - - 5 5 5 5 ..Set 0 Set 0 Set 0- - - - A101 at Mirror Set 0...
  • Page 14 2 2 2 2 - - - - 3 3 3 3 .Install bottom side of 0 .Install bottom side of 0 .Install bottom side of 0- - - - T100. .Install bottom side of 0 T100. T100. T100. TY-CNL-D DT(5x10) 1）...
  • Page 15 2 2 2 2 - - - - 5 5 5 5 . Installation of 0 . Installation of 0 . Installation of 0- - - - D201. . Installation of 0 D201. D201. D201. [Note] When replacing N300, cut the one lead on N300 at first.(Apply bond.) 1）...

  • Page 16: Main P.c. Board (0-T100)

    3.Main P 3.Main P 3.Main P 3.Main P..C C ..B B oard oard oard oard..（ （ （ （ 0 0 0 0 - - - - T100 T100 T100）...
  • Page 17 3 3 3 3 - - - - 4. Remove 2 lead wires and resistance 4. Remove 2 lead wires and resistance 4. Remove 2 lead wires and resistance 4. Remove 2 lead wires and resistance which were installed for testing purpose which were installed for testing purpose which were installed for testing purpose which were installed for testing purpose...

  • Page 18: Disassembly & Assembly Of Front Cover Block

    4.Disassembly and Assembly of 4.Disassembly and Assembly of 4.Disassembly and Assembly of 4.Disassembly and Assembly of Front cover block. Front cover block. Front cover block. Front cover block. [Disas [Disassembly Procedures] sembly Procedures] [Disas [Disas sembly Procedures] sembly Procedures] Follow the Assembly procedure in reversed Follow the Assembly procedure in reversed Follow the Assembly procedure in reversed Follow the Assembly procedure in reversed manner...

  • Page 19: Chck] Checking Mirror Angle

    4） Set Mirror up position.･･･Shutter charge lever should move to the bottom side up to the position where the gear hole should be visible through the rectangular hole. -1) When pushing down mirror sheet by the finger and set free, it should swing up instantly. -2) When pushing down slide lever by the finger and set free, it should return to original position.

  • Page 20: Adj·chck] Af Joint Operating Stroke

    3） W65(t=0.5) x3, M 103 x3 4） [ [ [ [ Adjust Adjust] ] ] ] Install AF block for temporary. Adjust Adjust Tighten M103 until it stops and then return for about 1.5 turns. (If the final adjustment is over, apply screw lock between M103 and W65.

  • Page 21: Disassembly & Assembly Of Main Body

    4 4 4 4 - - - - 13. 0 13. 0 13. 0 13. 0- - - - O100(Bottom LCD block in view finder) O100(Bottom LCD block in view finder) O100(Bottom LCD block in view finder) O100(Bottom LCD block in view finder) 1）...
  • Page 22 5 5 5 5 - - - - 5.0 5.0- - - - A4(Back door key) A4(Back door key) A4(Back door key) A4(Back door key) 1） A95 2） Apply L115 at 2 positions on Main body. 3） T64･･･Apply G151 on the land of back door SW. Wipe off SW land contact for mid-roll rewind.
  • Page 23 5 5 5 5 - - - - 12.0 12.0 12.0 12.0- - - - D1(Bottom base plate) D1(Bottom base plate) D1(Bottom base plate) D1(Bottom base plate) 1） A17、A16 2） 0-D1, 3 screws･･･Gear teeth should engage properly. 5 5 5 5 - - - - 13.[Check] Winding 13.[Check] Winding･...

  • Page 24: Top Cover Assy. (0-A301)

    6.T op cover(0 6.T op cover(0 6.T op cover(0 6.T op cover(0- - - - A301) A301) A301) A301) [ [ [ [ Disa Disa Disa Disassembl ssembl ssembl ssembling Procedure ing Procedure ing Procedure] ] ] ] ing Procedure Disassembly carefully with the notice described below in opposite sequence of [Assembly Procedure 0-A301].
  • Page 25 6 6 6 6 - - - - 2.Arrange l 2.Arrange l 2.Arrange l 2.Arrange lead wires(Flash should be pop up condition.) ead wires(Flash should be pop up condition.) ead wires(Flash should be pop up condition.) ead wires(Flash should be pop up condition.) DT(7x10) 1）...
  • Page 26 6 6 6 6 - - - - 7.0 7.0- - - - A375(TV dial A375(TV dial A375(TV dial assy. A375(TV dial assy. assy. assy.) ) ) ) 1） A379(For temporary adjustment, use –00D(t=0.1), A378. Round edge side should face front. 6 6 6 6 - - - - 8.A309(Mod 8.A309(Mod 8.A309(Mod...

  • Page 27: Back Cover Assy.(0-A201)

    7.Back cover (0 7.Back cover (0 7.Back cover (0 7.Back cover (0- - - - A201) A201) A201) A201) [Assembly procedures [Assembly procedures [Assembly procedures [Assembly procedures ] ] ] ] 7 7 7 7 - - - - 1. Assembly of A238 and related parts. 1.

  • Page 28: Data Table(Specification)

    Specification Battery Life Battery Life Battery Life Battery Life Type of Batteries(pcs.) CR2 (2) *LR6 (4) *FR6 (4) Shooting cond.＼degree 20℃/68°F -10℃/14°F 20℃/68°F 20℃/68°F -10℃/14° Regular(No flash used) Aprx.50rolls Aprx.30rolls Aprx.95rolls Aprx.150r. Aprx.100 Aprx.15rolls Aprx.10rolls Aprx.28rolls Aprx.50r. Aprx.35r. Flashphoto(Flash50％) Aprx.8 rolls Aprx.

  • Page 29: Programmed Soft Ware Flow Chart

    27640 27640 27640 27640 [ [ [ [ PROGRAM PROGRAM PROGRAM PROGRAMＭＥＤ ＭＥＤ SOFTWARE FLOW CHART] SOFTWARE FLOW CHART] SOFTWARE FLOW CHART] SOFTWARE FLOW CHART] ＭＥＤ ＭＥＤ ***** 27640 TEST PROGRAM ***** TURN MAIN SW OF BODY ON. TURN SW OF I/O IF BOX ON. AFTER CONFIRMING ABOVE, PRESS KEY [ 1 ].
  • Page 30 ***** MAIN MENU ***** [ 2 ] EXPOSURE ADJUSTMENTS ***** SELECT AE TYPE ***** TYPE 1 ( LV6,8,10,12,16 ) ---- [ 1 ] TYPE 2 ( LV6,9,12,15 ---- [ 2 ] [Note]: Select 1 or 2 for your light source. ***** 27640 <...
  • Page 31 ***** MAIN MENU ***** [ 3 ] AF AND RELATED ADJUSTMENTS ***** 27640 < B GROUP > ***** CCD POSITION ADJUSTMENTS ---> [ 1 ] ZERO POSITION AND AGC LEVEL ADJUSTMENTS ---> [ 2 ] CCD ADJUSTMENT ---> [ 3 ] AF C ADJUSTMENT --->...
  • Page 32 ***** MAIN MENU ***** ***** < B GROUP > ***** ***** CCD POSITION ***** [ 4 ] CCD POSITION CHECK [ 5 ] CCD FOCUS ADJUSTMENT ***** CCD POSITION CHECK ***** MOUNT F ZOOM LENS 35-80 (41280) ONTO CAMERA. ***** SELECT MASTER LENS TYPE ***** SET FOCUS-MODE SW OF CAMERA TO MF.
  • Page 33 ***** MAIN MENU ***** ***** < B GROUP > ***** [ 2 ] ZERO POSITION AND AGC LEVEL ADJUSTMENTS [ 3 ] CCD ADJUSTMENT [ 4 ]AF C ADJUSTMENT [ 5 ] AF ADJUSTMENT ***** ZERO POSITION AND AGC LEVEL ADJUSTMENT ***** MOUNT FOCUS MASTER LENS ONTO CAMERA.
  • Page 34 ***** MAIN MENU ***** [ 4 ]NUMBER OF REPAIRS [ 6 ] SHUTTER SPEED ADJUSTMEN [ 6 ] [ 6 ]BATTERY LEVEL ADJUSTMENTT FOCUS INDICATION CHECKING ***** SHUTTER SPEED ADJUSTMENT ***** ***** NUMBER OF REPAIRS ***** * SET DRIVE MODE SAW OF CAMERA TO CONSECUTIVE-FRAME MODE.

  • Page 35: Table Of Jig, Tools And Testers

    LIST OF JIGS・TOOLS・TESTERS. ◎ ◎ ◎ ◎ Exclusive use for 27640 Exclusive use for 27640 Exclusive use for 27640 Exclusive use for 27640 1.Programmed soft for 27640 PC/AT Compatible for 3.5 inches 95901 P274 2. AF adjusting jig for 27640 (Square) 95901 M519 3.
  • Page 36 <2m> Center 27640 AF CHART -1/3 2 7 6 4 0 A F C H A R T < 2 m > C e n t e r 2 7 6 4 0 A F C H A R T - 3 / 3 2 7 6 4 0 A F C H A R T - 2 / 3 - 1 / 3 <...
  • Page 37 27640 AF CHART -2/3...
  • Page 38 27640 AF CHART -3/3 <2m> Right 100 mm 3 inch 27640 AF CHART -3/3...

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