Pentax pentax-mx_sm free download

File name pentax-mx_sm.pdf

SERVICE MANUAL 23800 Disassembly procedure 1. Peel off Body coverings (A19 & A20) MX 2. Remove Bottom cover (A400), Connector seat (A34) and Tripod screw (All). CSS 1.7 x 2.2 x 3, CSM 1.7 x 3.5 x 2 3. Remove Top cover (A300) a.) Retainer screw (Left handed) Winding lever assembly (C300) Cover ring B (A329) b.) Shutter dial-- ASA100, 1/1000 Shutter dial screw (E231) -- 23800K-E321A 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 screws (E208 x 2) 7. Hot shoe contact (3204) -- Hot shoe contact screw (3209 x 2) 8. P.C.board retainer plate (J205) -- P.C.board retainer screw (J208), Spring (J206) 23800 1 /36 P.C.board assembly (J500) -- CNM 1.7 x 2.5 x 2 Base plate screw (A41-01) 10. Unsolder lead wires. 8 pcs 9. 11. Mirror housing complete assembly (B000) a.) After loosening Screw (M75), disconnect Idle gear assembly (0-M74) and Supporter plate assembly (0-M53). b.) Remove Mirror housing complete assembly (B000) together with Prism seat assembly (0-M1), Penta prism assembly (0-L3) and Cell frame (J201). 12. Terminal contact assembly (0-J611) -- CNS 1.7 x 2.5 13. Battery seat assembly (0-A8) -- CNS 1.7 x 2.5 x 2 14. Restitution spring assembly (0-M62) a.) Idle gear assembly (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 governor assembly (C100) at 1/125 shutter speed. -- CNM 1.4 x 2.0, CNM 1.7 x 2.0 17. 18. Governor restitution plate (E407), (E408), (E409), W3 Slow speed cam assembly (0-E402), Nut (E406) -- 23800K-E406-A Caution: a.) Remove Nut (E406) grabbing slow speed cam shaft (E401) with plier, without turning (E401). b.) Remove (0-E402) by loosening two set screw, at 1 sec shutter speed. 23800 2 /36 19. 20. 21. 22. 23. 24. 25. 26. 27. Pinion coupler gear assembly (0-C249) -- CNL-E 1.7 x 2.5 Pinion coupler lever assembly (0-C254), (C257) (C 137) Coupler lever spring (C266).Coupler lever spring hook screw (C214), Cord holder (J525). Coupler lever assembly (0-C244), Coupler lever retainer screw (C248) -- left handed. Installing seat assembly (0-A508) -- CSS 1.7 x 2.2 x 2 SW plate assembly (0-J521) -- CNL-D 1.7 x 3.5 Bulb coupler lever spring (C263) Install Winding lever assembly (C300) with Retainer screw (C305) temporarily, and cock the shutter. Shutter seat plate assembl