Polaroid Miniportrait 455 Скачать руководство пользователя страница 38 | Manualshive

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38

Removing the Electronic Flash Assembly

Note:

Flash Unit can be removed as an entire assembly, if desired.
Disconnect wiring ( 5 6 7 ) and remove nuts 8 and 10 from
Holder bolts.

•

Remove parts in the order of the circled numbers on Figure 3-9. Keep the screws in
groups according to locations and removal order.

Figure 3-9. Removing electronic flash assembly

•

Remove Pack Film Holder Frame before starting Flash disassembly. Viewfinder can
be removed or left in place.

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Содержание Miniportrait 455

Страница 1: ...Repair Manual Americas Business Center Technical Services 201 Burlington Road Bedford MA 01730 TEL 1 781 386 5309 FAX 1 781 386 5988 Miniportrait 455 September 1996...

Страница 2: ...lectronic Flash PC Boards 23 Sonar PC Board 23 Camera Wiring Diagram 27 Section 3 Disassemblly And Reassembly 28 General Guidelines Tools and Cautions 28 Guidelines 28 Tools Required 29 Cautions 29 Ca...

Страница 3: ...Blade Assembly 49 Removing the Light Interception and Shutter Blades 51 Reassembling the Shutter 52 Replacing the Light Interception and Shutter Blades 52 Replacing M Blade M S Disk and Motor Disk As...

Страница 4: ...27 3 1 Camera Body Components Disassembly 32 3 2 Hand Grip Disassembly 34 3 3 Viewfinder Disassembly 35 3 4 Removing Viewfinder Front Cover 35 3 5 Unsoldering PC Plate leads Viewfinder 36 3 6 Shutter...

Страница 5: ...necting the Aperture Link Lever and Aperture Control Lever 53 3 25 M Blade Assembly Replacement 54 3 26 M Blade Assembly Components 55 3 27 Reassembling Mode Select Gears 56 3 28 Replacing Shutter Ass...

Страница 6: ...supplementary synchronized electronic flash or tungsten illumination with high speed black and white films Sharp focus and correct image size with built in sonar rangefinder Film processing timing wit...

Страница 7: ...7 Figure 1 1 Model 455 miniportrait camera...

Страница 8: ...eed films Shutter Speeds 1 60th 1 125th sec Portrait Selector 4 identical 2 pairs of identical or 4 different images Shutter Button Portrait Counter Flash Tilt Knob Auxiliary Camera X Sync Socket Remo...

Страница 9: ...20V supply PID 612427 For 240V supply PID 612698 Caution USE OF OTHER ADAPTERS MAY DAMAGE CAMERA Polaroid 4 x 5 sheet films can also be used with the Model 455 in a Model 545 Film Holder but image are...

Страница 10: ...10 Figure 1 2 Model 455 camera dimensions...

Страница 11: ...e back of the body below the Pack Film Holder showing the following information Polaroid Miniportrait Camera Model 455 Serial Number J 0 0050 B B configuration code 0050 50th unit manufactured 0 Year...

Страница 12: ...e segment pivots it turns the cocking lever e counter clockwise The main lever f is also turned counter clockwise in its charging direction 3 Pin e attached to the underside of cocking lever e now mov...

Страница 13: ...n Figure 2 2 continues to rotate and turns the magnet set lever i clockwise Hook j linked to the magnet set lever is attracted to the magnet 7 Main lever f now reverses its direction U shaped arrow Fi...

Страница 14: ...by pin B on the main lever f striking the shock absorbing cam A midway in its rotation 3 In a 1 125th sec exposure the shock absorbing cam A is moved out of the path of pin B by the speed selector le...

Страница 15: ...laterally back toward the motor its hook end engages a tooth of gear c and indexes it one notch The exposure counter dial correspondingly rotates one count 3 To prevent lever b during its opposite tr...

Страница 16: ...rn The mode blade a also rotates counterclockwise 2 Spring a links the M blade a to disk A and spring b links the MS blade b to disc A turning these blades in the direction shown by the arrows The M b...

Страница 17: ...action the rotation of the M blade a and MS blade b is controlled by pins d and d These pins are moved up or down by the cam steps on the ends of the mode select lever A shown in the circled areas of...

Страница 18: ...resulting in the disk positions shown Windows A B and D are blocked and only a single exposure window C remains open 2 When the shutter is released disk A begins turning again driven by the motor The...

Страница 19: ...in 1 above a2 and b2 are controlled by pin d and b3 is controlled by d The three exposure windows A B and D are again blocked 4 When the foregoing process has been repeated three more times the singl...

Страница 20: ...in the lower half of Figure 2 9 the step cams at the ends of the mode select lever move pins d and d out of the way of the MS blade b permitting it to rotate freely with disc A Thus the MS blade b st...

Страница 21: ...tes as follows 1 When the Power Switch and S1 section of the shutter button switch SR Contact on the schematic are closed Q1 is turned on powering the Sonar Ranging circuit 2 Depressing the shutter bu...

Страница 22: ...ADY signal Q7 s base is cut off energizing the release magnet circuit 6 During the motor run and shutter charging the OSC STOP terminal CN4 4 is grounded stopping flash oscillation and interrupting ca...

Страница 23: ...ate closure of the Sync Switch causes strobe firing 4 To switch between the GN35 for ISO 80 films and GN16 for ISO 400 or 800 films a double throw Switch is provided on the rear of the Flash Unit In t...

Страница 24: ...4 checks the distance parameters of 1 2m 1 92m If the subject is closer than 1 2m left hand LED2 lights If the subject is farther than 1 92m right hand LED1 lights If the subject is between 1 2m and 1...

Страница 25: ...25 Figure 2 11 Electronic flash PC board schematic...

Страница 26: ...26 Figure 2 12 Sonar PC board schematic...

Страница 27: ...27 Camera Wiring Diagram Figure 2 13 Camera Wiring Diagram...

Страница 28: ...anical components switches and the release magnet on the front of the shutter are accessible after removing only the lenses decorative cover and front panel assembly Also on the back of the shutter th...

Страница 29: ...N U51 to hold Driver Bit P N U51B Thin Blade stiletto style tool for removing cemented cover panels Small curved jaw pliers with tape cushioned jaws for removing lenses Dump Probe for discharging flas...

Страница 30: ...m the camera body this can often be done without disturbing other body assemblies See Table 3 1 Remember that many parts of the shutter mechanism including the drive motor can be serviced without remo...

Страница 31: ...d is at the bottom Removing the Main PC Board With the Holder Frame and Light Baffle removed disconnect the plugs from CN4 and CN5 at the top of the Board Figure 3 14A Lift the wires out of the notch...

Страница 32: ...ay engage the holes in the Aperture slide and Shutter Speed slide with their corresponding lever pins Removing the Bottom Cover Peel off the Rubber around the Tripod Socket and remove the four screws...

Страница 33: ...o the steps performed Using a thin blade stiletto tool carefully pry up the Decorative Plate cover cemented to the top of the Hand Grip Remove the two screws from the top and the three from the bottom...

Страница 34: ...34 Figure 3 2 Hand grip disassembly...

Страница 35: ...As screws are removed set them aside in separate groups according to the steps performed three different screw sizes are used in the Viewfinder Figure 3 3 Viewfinder disassembly To remove the Front C...

Страница 36: ...fed through the Camera Body must be unsoldered from the PC Plate before the Viewfinder inner housing can be removed from the Camera Body Figure 3 5 Figure 3 5 Unsoldering PC plate leads viewfinder Rea...

Страница 37: ...he Bright Frame after assembly Note The Eye Cup is mounted with its thicker vertical edge d Figure 3 8 nearest the Camera Body Figure 3 7 Bright frame reassembly Replace the Front Glass f shiny side o...

Страница 38: ...7 and remove nuts 8 and 10 from Holder bolts Remove parts in the order of the circled numbers on Figure 3 9 Keep the screws in groups according to locations and removal order Figure 3 9 Removing elect...

Страница 39: ...Power ON OFF Switch For 8 11 Remove the hex nuts from the Left and Right Holder mounting screws and lift the Flash Assembly and Holders up off the Camera Body mounting screws will remain in the Holde...

Страница 40: ...y on reassembly be sure the molded pin on the Left Hub is positioned as shown in Figure 3 10 at approximately 8 o clock above the arm of the Flash Switch Before completing reassembly check that when t...

Страница 41: ...ft Cover on Viewfinder side In 8 access to the two screws to be removed from the Front Case is through openings in the Knob 7 visible after removing the Knob Cover 6 CAUTION IMMEDIATELY AFTER REMOVING...

Страница 42: ...42 Figure 3 11 Electronic flash unit disassembly...

Страница 43: ...ove the six mounting screws Figure 3 12 Note The screws for posts a are larger than the other four screws From the underside of the Motor Disk remove the two screws and spacers securing the Motor Inst...

Страница 44: ...Connector Figure 3 13C unsolder the yellow wire from the shell lug terminal and the white wire from the pin center terminal Pull wires through the opening into Camera Body interior Remove the four pa...

Страница 45: ...45 Figure 3 13 Removing Shutter Assembly from Camera Body A Main PC Board C X Sync Connections B Removing Leads...

Страница 46: ...ng see Plates 8 13 in the 455 Parts Catalog Remove or disassemble parts by following the order of the circled numbers letters on the illustration referenced Removing the M Blade Assembly as a unit Not...

Страница 47: ...ch f then remove the M Switch and Washer Figure 3 15 Figure 3 15 Disassembling M switch S set cam and lever components Remove the Screw g Gear h and Pin i from S Set Cam Shaft j Remove the two E Rings...

Страница 48: ...48 Figure 3 16 Removing M blade assembly from shutter Figure 3 17 M blade assembly component parts...

Страница 49: ...ng secures the Aperture Control Lever link to the pin the other E ring is on the pin below the link Figure 3 18 Figure 3 18 Aperture link lever pin connection to aperture control lever From the back s...

Страница 50: ...50 If the Diaphragm Blade Assembly itself must be disassembled refer to the exploded view Figure 3 20 Figure 3 20 Diaphragm blade disassembly...

Страница 51: ...e Shoulder Screw from the center of the Light Interception Blade Note The positions of the Light Interception and Shutter Blades relative to their actuating pins as the Blades are removed Lift out bot...

Страница 52: ...e Light Interception Blade on top of the Shutter Blade with pins a and b located as in Figure 3 22B Replace the Shoulder Screw to secure the Blades Be sure the unthreaded shoulder passes through the c...

Страница 53: ...23 Figure 3 23 Replacing the diaphragm blade assembly From the front of the Shutter replace the lower E Ring a on the Aperture Link Lever pin Figure 3 24 Reconnect the Aperture Control Lever link b to...

Страница 54: ...through its hole in the M S Disk Figure 3 25 Figure 3 25 M blade assembly replacement Secure the M S Disk to the Base Ring with four screws Secure the Mode Select Levers by replacing the E Rings on th...

Страница 55: ...reconnect the Spring between the Lever and the Pawl Note BEFORE REPLACING THE MOTOR DISK PERFORM THE MODE SELECT GEAR REASSEMBLY PROCEDURE Replace the Motor Disk with Motor on the back of the Shutter...

Страница 56: ...f cam valley contacts open Mesh gears A and B replace them together on pivot pins meshing them with thegears E and C Don t disturb positions of gears C and D Replace E ring on Gear A pivot pin Turn ge...

Страница 57: ...o the Main PC Board X Sync Connector etc as necessary see preceding section If the wires to the X Sync Connector were pulled through the opening in the floor of the Camera Body the following steps may...

Страница 58: ...Assembly Decoration Cover Lenses and Lens Caps see Camera Body Disassembly and Reassembly and Figure 3 1 When replacing the Front Panel Assembly refer to Figure 3 30 Start at the top and carefully pos...

Страница 59: ...59 Figure 3 30 Front panel replacement Figure 3 31 Wiring placement...

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