Pentax PZ-1p Main PCB Removal

ID: 194170

Description:

Steps:

1. Unlatch battery compartment door.
2. Remove one 1.7 x 4.0 mm screw.
3. Remove six 1.7 x 2.5 mm shoulder screws.
4. Remove one 1.7 x 2.5 mm long shoulder screw.
5. The bottom cover may be adhered with double sided tape in some locations. Use a spudger to gently work it loose.

6. Check that the physical panorama switch on the bottom cover and the electrical switch mate properly.

7. Push button to pop up the flash.
8. Remove two 1.7 x 2.5 mm screws.
9. Detach snaps by lifting the side of the flash cover, bending it up and away from the housing.
10. Push flash back down to the stored position.

11. Remove two 1.7 x 2.5 mm screws underneath the pop-up flash.
12. Remove one 1.7 x 2.5 mm panhead screw above the pop-up flash.
13. Remove two 1.7 x 2.5 mm shoulder screws near the eye piece.

14. Remove two 1.7 x 2.5 mm shoulder screws by the strap lugs.
15. Remove one 1.7 x 6.0 mm screw inside the battery compartment.
16. Lift off the top cover.

17. Check that the physical power switch and the electrical power switch are both in the same position before installation.

18. Push the release latch down to remove the film door.

19. Peel off rubber covering from grip.
20. Remove one 1.7 x 5.0 mm screw.
21. Lift off the front body panel.

22. Connect a 10 kOhm high power resistor across the terminals of the flash capacitor for several seconds.
23. Proceeding with the repair without discharging the flash capacitor could result in shock to the repairer or the camera components.

24. Remove the hot shoe spring. Lift the front of the spring and slide it towards the back of the camera.
25. Remove four M1.7 x 6.5 mm screws from the hot shoe.
26. Remove black, brown, green, and blue wires from plastic guides.
27. Lift off the hot show mount.

28. Unsolder the black, green and yellow wires for the command dial contacts.
29. Remove one 1.7 x 4.5 mm screw.
30. Lift off command dial contact.

31. Unsolder the blue and green wires.
32. Unsolder the blue, green, brown and black wires from the flash relay PCB.

33. Unsolder three pads.
34. Unsolder three flex connections.
35. Unsolder two through-hole connections.

36. Remove one M1.7 x 2.5 mm screw.
37. Remove flex clamp and rubber pad.
38. Remove one M1.7 x 3.5 mm screw.
39. Remove one 1.7 x 3.5 mm screw.

40. Remove one M1.7 x 2.5 mm screw.
41. Remove flex clamp and rubber pad.
42. Remove two M1.7 x 2.5 mm screws.
43. Remove one 1.7 x 2.5 mm screw.
44. Unsolder one blue wire.

45. Remove rubber dome pads for ME an IF buttons.
46. Detach button contacts from housing.
47. Push shutter release button up to free it from its retention post.
48. Detach snaps under the LCD frame.
49. Gently lift off LCD flex PCB.

50. Remove two 1.7 x 7.0 mm screws.
51. Remove the eye piece.

52. Remove three 1.7 x 3.5 mm screws.
53. Remove one 1.7 x 3.5 mm screw.
54. Remove both base plates.
55. Installation Notes: Make sure to attach the ground wire at this location when installing the plate.

56. Unsolder the red and black wires to the battery contacts.
57. Unsolder the blue and brown wires.
58. Unsolder the red and black wires to the charging motor.

59. Unsolder the red and black wires for the film advance motor.
60. Unsolder one green wire.
61. Unsolder two through-hole connections for the charge block contact.
62. Remove one 1.7 x 3.0 mm screw.

63. Unsolder one brown wire from the AF spot beam.
64. Unsolder two flex connections.
65. Unsolder the red and black wires for the buzzer.

66. Unsolder the purple, green and brown wires for the aperture resistor.
67. Unsolder the red and yellow wires for the self-timer LED.
68. Unsolder the red and black wires for the TTL flash meter.

69. Unsolder five flex connections for the shutter unit flex cable.
70. Unsolder the white, black, and orange wires for aperture control unit.
71. Peal the shutter flex cable away from the main PCB. Apply isopropyl alcohol to loosen double-sided tape where necessary.

72. Unsolder all connections to the DX code reader pins.

73. Unsolder two flex connections for the panorama switch.
74. Remove panorama switch.

75. Unsolder the blue and brown wires to the aperture control solenoid.
76. Unsolder the red and black wires to the AF motor.
77. Unsolder the white, pink and green wires to the AF motor unit.

78. Unsolder five flex connections to the film door contacts.
79. Unsolder the black, orange, and gray wires for the AF motor unit.
80. Unsolder the orange, gray and yellow wires for the mirror release solenoid.
81. Unsolder three flex connections to the sprocket counter PCB.

82. Remove two M1.7 x 2.5 mm screws.
83. Remove two flex cable clamps and rubber pads.
84. Remove one M2.0 x 4.0 mm screw.

85. Remove one F1.7 x 3.0 mm screw.
86. Use tweezers to pull off one brass clip from the end of the adjustment post.
87. Installation Notes: Consult page 32 of the Z1 service manual to adjust the precise position of the metering cell. This should be done before the LCD flex PCB is installed.

88. Begin by freeing the PCB from the bottom of the camera.
89. Work up and around the top.
90. Carefully work free the section between the grip and the lens mount.
91. Watch for areas where the flex may catch.
92. Slowly lift the entire PCB away from the camera looking for snags and wires that may still be connected.