Adj·chck] Positioning Light Receiving Sensor - Pentax MZ-S Service Manual

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.
1 1 1 1 - - - - 4. 4. 4. 4. Front cover Front cover Front cover Front cover（ （ （ （ A102
1 1 1 1 - - - - 5. 5. 5. 5. Back cover Back cover（ （ （ （ 0 0 0 0 - - - - A201
Back cover Back cover
1 1 1 1 - - - - 6. 6. 6. 6. Strap hook at Grip side（ （ （ （ A12 Strap hook at Grip side Strap hook at Grip side Strap hook at Grip side
･･･1 screw.
･･･ ･･･ ･･･
1 1 1 1 - - - - 7. 7. 7. 7. Grip（ （ （ （ A150 Grip Grip Grip A150 A150） 、 A150 ） 、3 screws
） 、 ） 、
5 lands on 0-I230Flexi.PCB.
Install back cover to prevent shutter
curtains from being jammed.
[Assembling procedure] [Assembling procedure] [Assembling procedure] [Assembling procedure]
1 1 1 1 - - - - 1. [Adj. 1. [Adj. 1. [Adj. 1. [Adj.･ ･ ･ ･ Conf.] Conf.] Conf.]Positioning of light receiving sensor Conf.]
[Preparation] [Preparation] Pen light or similar one. [Preparation] [Preparation]
1） Set the camera at mirror down condition(Original position).
2） Shut the light at eye piece portion by black tape.
3） Shine Pen-light on light sensor as shown in Fig.
Adjust positions of sensor by changing angles of Pen-light
until the light sensor pattern on 1
4） [Confirmation] [Confirmation] The light sensor should position as shown in
[Confirmation] [Confirmation]
Fig. below and it should not be inclined.
AF Frame
0.6mm
5） [Adj.] [Adj.] Remove M311. Adjust the position of sensor by loosening
[Adj.] [Adj.]
retainer screws for sensor and moving whole assembly of sensor.
6） After adjustment is completed, apply screw lock to the 3 spots
on screws and light receiving sensor.
7） Install M311 while checking engagement.
Make sure that the smoother function of diopter lever.
[Reference] [Reference] [Reference] [Reference]
Attaching brighter lens is advisable to assist better visibility.
(Example :FA 50mm f/1.4)
A102 A102） ） ） ） A102
A201） ） ） ）
A201 A201
A12） ） ） ） A12 A12
3 screws･･･ 3 screws 3 screws
･･･Unsolder
･･･ ･･･
mirror become visible.
st
27640 -4/34-
0-I230
Pen-light
1 Mirror
st
Torrelance:0.5±0.5mm
〔Actual size〕(0 ~1.0)
Center position of Sensor
Center position of
AF Frame
Sensor