Polaroid Spectra/Image One Board Repair Manual Download Page 2

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Table of Contents

Page

Section 1 - General Description........................................................................

Scope of This Addendum ...............................................................................

Spectra Pro/Image Pro/Minolta Pro Operating Differences .............................

Spectra Pro/Image Pro/Minolta Pro Performance Differences.........................

Spectra Pro/Image Pro/Minolta Pro External Physical Differences ..................

Section 2 - Disassembly and Reassembly ......................................................

Special Tools ..................................................................................................

Cautions and Reminders ................................................................................

Removing Mid-Cover ......................................................................................

Disassembling Mid-Cover ..............................................................................

Removing Ranging Board ...............................................................................

Replacing Ranging Board ...............................................................................

Removing LCD Board from Ranging Board ...................................................

Reconnecting LCD Board to Ranging Board...................................................

Removing One Board Strobe/Exposure Module Assembly ..............................

Section 3 - Testing and Adjustments ...............................................................

Functional Test ................................................................................................

Star Tester Model 12650-3 Description ...........................................................

Star Tester Setup and Pre-Test Checks ...........................................................

Order of Spectra Pro/Image Pro/Minolta Pro System Tests .............................

Ambient Exposure Test ...................................................................................

Strobe Exposure (Graywall) Test .....................................................................

ZLS (Zonal Lumen Seconds) Graywall Test .....................................................

Hybrid (ZLS/Blade Speed) Test ......................................................................

Blade Speed Test ...........................................................................................

Spectra Pro/Image Pro/Minolta Pro Star Tester Specifications ........................

Ambient Exposure Calibration Slide Adjustment .............................................

IR Strobe Exposure Calibration Slide Adjustment ............................................

Hybrid Adjustment (Opening Blade Spring) .....................................................

Blade Speed Adjustment (Opening Blade Spring ............................................

Solenoid 1 Adjustment for Quintic Position ......................................................

Summary of Contents for Spectra/Image One Board

Page 1: ...Repair Manual Americas Business Center Technical Services 201 Burlington Road Bedford MA 01730 TEL 1 781 386 5309 FAX 1 781 386 5988 Spectra Image One Board September 1996...

Page 2: ...Ranging Board 19 Removing One Board Strobe Exposure Module Assembly 20 Section 3 Testing and Adjustments 23 Functional Test 23 Star Tester Model 12650 3 Description 33 Star Tester Setup and Pre Test C...

Page 3: ...Ranging Board Wire Connections 16 2 8 Reconnecting J1 J2 and J3 to Ranging Board 17 2 9 Removing LCD Board 18 2 10 Replacing LCD Board 19 2 11 Disconnecting One Board Strobe Exposure Module 20 2 12 Re...

Page 4: ...Exposure Calibration Slide 53 3 19 Hybrid Adjustment Opening Blade Spring Tension Adjustment 55 3 20 Adjusting Solenoid 1 to Change Quintic Speed 58 4 1 One Board Strobe Exposure Module Connections on...

Page 5: ...he Spectra Manual This addendum applies only to Spectra Pro Image Pro Minolta Pro cameras with theOne Board Strobe Exposure Module Assembly Part No 1B0632A installed These cameras can be identified by...

Page 6: ...frame Exposure compensation for severely backlit subjects Exposure lighten darken adjustment Tilting accessory strobe Sound on or off tone chime and beep signals Digital LCD display of exposures rema...

Page 7: ...ent overexposure to brighten scene For light levels greater than 624 cd ft2 a limited exposure kickup occurs to produce a bright picture truer whites better facial exposure without sacrificing detail...

Page 8: ...pectra Pro Image Pro Minolta Pro cameras and Spectra cameras New top cover insert New S1 S10 button inlay New front decorative plate with Spectra Pro Image Pro Minolta Pro name New hand strap Figure 1...

Page 9: ...cket Tool Bit with Handle P N 11913 for removing screws holding LCD Board to Ranging Board see Figure 209 Warning Do not use the torque limiting screwdriver to remove these screws Special Tools for Re...

Page 10: ...ter removing the Top Cover Handle flexes Features Flex Motor Gear Drive Flex carefully to avoid crimping or crarcking from sharp bends Remove wire connectors with fingers only Do not use pliers or oth...

Page 11: ...cted and open the front door Insert a soldering aide green stick betwen the mid cover and the side of the main frame twisiting the greenstick while holding the side of the mod cover out Then insert th...

Page 12: ...om the eye wedge retainer 2 To remove the five control panel buttons insert the point of a greenstick in the center of the button and push the button out Note When replacing buttons be sure the markin...

Page 13: ...Note When replacing the LCD window insert the end nearest the viewfinder first Then bow the window slightly as shown and snap the other end into place 4 To replace the font decorative plate pry up th...

Page 14: ...from the spring tab 3 Disconnect the follwing wire connectors from the One Board Strobe Exposure Module Assembly J7 J6 J4 J5 See page 4 15 for locations 4 Lift the ranging board slightly to free it fr...

Page 15: ...ranging board 6 Release the white wire J5 and the brown wire J4 from the MiniSert self locking terminals on the ranging board Figure 2 7 7 Release the paired black red transducer wires from connectors...

Page 16: ...16 8 Remove the ranging board with the LCD board attached Figure 2 7 Releasing ranging board wire connections White Wire to J5 Brown Wire to J4 Ranging Board Black Wire to J19 Black Red Wire to J20...

Page 17: ...mbly with the mating pin connector on the ranging board Figure 2 8 then press the wire connector into position with solder aide tool 941168 3 Using the same technique described in step 2 reconnect wir...

Page 18: ...er Warning Do not use Torque Limiting Screwdriver P N CR 13397 to remove the screws 3 Carefully lift off the LCD board Be careful not to lose the following parts which are released when the LCD board...

Page 19: ...with the end notches facing down and the projecting shoulder in the position shown 4 Using Torque Limiting Screwdriver P N CR 13397 factory set for 8 oz in with Square Bit P N CR 13398 install the two...

Page 20: ...assembly tab Figure 2 11 to free it from the One Board Strobe Exposure Module Assembly Figure 2 11 Disconnecting one board strobe exposure module Red Wire t0 J14 Push Tab to Free S1 S10 Assembly J26 J...

Page 21: ...embly 7 Lift the One Board Strobe Exposure Module Assembly to access wiring connectors J9 J10 and J11 on the ranging board 8 Release each of the three connectors J1 J2 J3 from the ranging board Figure...

Page 22: ...the shutter base block Figure 2 13 11 Lift out the One Board Strobe Exposure Module Assembly Note To install a One Board Strobe Exposure Module Assembly reverse this procedure Figure 2 13 Removing ph...

Page 23: ...ted operation In this test the camera is cycled through dark slide strobe exposures non strobe exposures and end of pack The intent is to isolate problems for troubleshooting If the camera does not op...

Page 24: ...r with adapter into the power supply either Power Mate 12531 or Lambda 12429 3 Plug the power supply into a 110 VAC power source 4 Turn the power supply ON 5 Adjust the power supply output voltage to...

Page 25: ...k simulator with the adapter into the camera The camera should not cycle 3 Remove the film pack simulator from the camera 4 Using the tip of a solder aide close the camera door latch Figure 3 2 Figure...

Page 26: ...if the camera is not used The LCD control panel should appear as shown in Figure 3 3 Figure 3 3 LCD control panel at completion of dark slide 6 Aim the camera at an object less than one foot 1 meter...

Page 27: ...hand Figure 3 4 or you can cover the transducer with photographic tape Use care to prevent covering the photocell Press the S1 S1 button half way down This simulates an infinity exposure The following...

Page 28: ...r the camera go through an exposure cycle The blades should open and close the Quintic lens should move and the motor should run The LCD panel should change from 10 to 9 in the Frames Remaining area T...

Page 29: ...eeps should sound There should be no strobe fire The moving Quintic frame should swing down below the level of the shutter during the exposure and should be visible through the open flapper door as se...

Page 30: ...neath the symbol No bar beneath the symbol indicates that the feature is off Note The display automatically turns off after 30 seconds to conserve power To turn it on again press the MODE button or th...

Page 31: ...d sound The tones should get progressively faster until two seconds before the exposure when the tone becomes steady At the front of the shutter the red led next to the photocells should flash The fla...

Page 32: ...following should happen A flashing 0 will be visible in the viewfinder The end of pack chimes will ring three times Note If the S1 S10 switch is pressed all the way down with an empty film pack the st...

Page 33: ...ctronics required to compute and display exposure timing and functional characteristics of the camera under test are all housed within the Tester cabinet Figure 3 7 KEY CONTROL INDICATOR FUNCTION 1 Di...

Page 34: ...ts tester function as a power supply 15 Strobe Adaptors two Aligns electronic flash of 600 680 camera under test to Star Tester 16 Horn Cable Connector Accepts plug on Horn cable 17 Disc Detector Conn...

Page 35: ...35 Figure 3 7 Star tester 12650 3 controls and indicators see text for descriptions...

Page 36: ...135 cm from a graywall target Also be sure that the front of the camera is parallel to the graywall or the long axis of the camera front to back is at right angles to the graywall Figure 3 8 3 Be sure...

Page 37: ...amera and with a greenstick solder aid tool trip the Door Switch into DOWN position Figure 3 9 5 Position the Horn with the camera mounted on it against the front of the Tester with the guide tab on t...

Page 38: ...38 Figure 3 10 Positioning camera on horn against star tester Guide Tab...

Page 39: ...steps below 1 Perform the ZLS Graywall Test If the ZLS Graywall Test result is not within spec replace the Strobe Board or the Flashtube Assembly as required If the ZLS Graywall Test is now within sp...

Page 40: ...de Speed Adjustment If the Blade Speed Adjustment does not correct Blade Speed repair the Shutter Assembly and retest Excessive Battery Drain If battery drain is excessive perform the Strobe Integrate...

Page 41: ...remove the bar from beneath the autofocus symbol no bar indicates that the feature is off Press the MODE button twice to return to a full display Press the MODE button until the symbol for flash is d...

Page 42: ...process two more times recording all readings 3 If the readings are within spec proceed to the Strobe Exposure Graywall Test 4 If the test readings are not within Spec adjust the Ambient Exposure Cali...

Page 43: ...s features are ON bar displayed below each symbol and Audio and Exposure Adjustment are OFF no bar The display should be as shown in Figure 3 12 To turn a function ON or OFF press MODE button until on...

Page 44: ...dings are not within Spec adjust IR Strobe Exposure Calibration Slide and retest 4 If adjusting the IR Calibration Slide fails to bring the Strobe Exposure Test reading within spec verify the followin...

Page 45: ...ure 3 13 Figure 3 13 Display for flash ON all other functions OFF If necessary turn the appropriate features on or off as follows To turn flash ON Press the MODE button until the symbol for flash is d...

Page 46: ...lay 4 Cover the Photocell 5 Set the Test Selector Switch to 7000 ZLS Test Procedure 1 Press the Shutter Button fully and note the reading on the ZLS Meter Compare the reading to the Specification 2 If...

Page 47: ...f the Tester with the lens 4 5 ft from the graywall The front of the camera must be parallel to the graywall and the area visible in the viewfinder must be clear of objects 3 Turn ON the Flash and Aut...

Page 48: ...to the Specification 3 If the test readings are not within Spec perform the Hybrid Adjustment procedure and retest 4 If this adjustment does not bring the Hybrid Test reading within specification pro...

Page 49: ...be as shown in Figure 3 15 If necessary turn the features on or off as follows Press MODE until only the desired symbol is visible in the display Then press the up or down arrow to turn the feature o...

Page 50: ...thin specification repair or replace the Shutter Assembly and retest 5 If Blade Speed is now within specification but Strobe Exposure is still out of spec replace the Exposure Flex and retest Spectra...

Page 51: ...are too low use a dental pick and slide the Ambient Calibration Slide Figure 3 17 to the right in proportion to the amount the reading is too low The Ambient Calibration Slide is the one next to the...

Page 52: ...Cover with the camera s own Top Cover Note If adjusting the Ambient Calibration Slide fails to bring the readings within specification refer to Steps 4 5 and 6 of the Ambient Exposure Test procedure...

Page 53: ...l pick and slide the IR strobe Exposure Calibration Slide Figure 3 18 to the right in proportion to the amount the reading is too low The IR Strobe Exposure Calibration Slide is the nearer or front mo...

Page 54: ...using the Test Top Cover 5 When the Strobe Exposure Test reading is within specification replace the Test Top Cover with the camera s own Top Cover Note If adjusting the IR Calibration Slide fails to...

Page 55: ...pring by moving it one notch to the left when facing the back of the camera 4 Put the Test Top Cover on the camera and retest Repeat the procedure if necessary moving the Opening Blade Spring one notc...

Page 56: ...on the Spring one notch to the left 4 Put the Test Top Cover on the camera and retest Blade Speed Readjust the Spring position of necessary 5 When the Blade Speed is within specification replace the T...

Page 57: ...ting screw of Solenoid 1 Figure 3 20 one half turn at a time Turn the screw counter clockwise to increase Quintic speed clockwise to decrease Quintic speed 3 Put the Test Top Cover in place on the cam...

Page 58: ...58 Figure 3 20 Adjusting solenoid 1 to change quintic speed To increase Quintic speed turn screw CCW To decrease Quintic speed turn screw CW Solenoid 1 Adjusting Screw...

Page 59: ...ssary of Abbreviations and Numbered Index Abbreviations such as RM Ranging Module EM Exposure Module etc used in the operating problem descriptions are defined at the beginning of this section Also th...

Page 60: ...0 Figure 4 1 One board strobe exposure module connections on ranging board Figure 4 2 Elastomeric Zebra connector One Board Strobe Exposure Module Ranging Board J1 J2 J3 Gold Contact Fingers Elastomer...

Page 61: ...Figure 4 3 Initial test procedure for ranging board and LCD board Check Continuity Ranging Module to Rest of Camera Loosen Retighten Screws Retest Remove LCD Board and Elastomer Inspect Gold Fingers E...

Page 62: ...oard Strobe Exposure Module FM Features Module RM Ranging Module B Battery EOP End of Pack EOC End of Cycle SPD Film Speed VER Erect Voltage SOL 1 Solenoid 1 SOL 2 Solenoid 2 STROBE Strobe Board LCD L...

Page 63: ...4 9 Buttons don t Work or Hard to Press 4 9 Erratic Camera behavior 4 9 No Self Timer or Incorrect Self Timer Cycle 4 10 No Piezo 4 10 Incorrect Piezo Speed 4 10 No End of Pack Chime 4 11 Incorrect B...

Page 64: ...S 9 switch distorted at wireform switch block Wire connector from motor flex not connected to One Board Pick spring not seated Door link not making VER switch to battery switch at wireform switch bloc...

Page 65: ...Broken drive link Catch pawl hang up Photodiode not glued properly SOL 2 moves in frame Encoder lead broken Counter wheel hang up Door latch distorted Black and red wires not seated to Strobe Board J...

Page 66: ...over One Board not connected to SOL1 or SOL2 Strobe board and S1 S10 not seated RM damaged Encoder wire not seated Counter Wheel Hangs Up Note Counter wheel and mechanism are present even though expo...

Page 67: ...ypical causes Bezel not tight Glass improperly seated Defective glass Defective LCD module Gold pads under LCD glass contaminated Buttons don t Work or are Hard to Press Typical causes Rubber switches...

Page 68: ...f timer switch loose or missing Poor LCD module connection No Piezo Typical causes Piezo wire ends shorted Defective FM Piezo connectors on FM shorted FM cracked at J25 Defective piezo Piezo cover mis...

Page 69: ...ade spring not in correct position Shutter blades not free walking beam inertia distorted base block Too many blades Dirty blades Motor doesn t Run Typical causes Wireform switch not making S9 to VER...

Page 70: ...Failure Typical causes Photodiode cap not seated Cal wedges not seated missing or distorted check IC pin 7 Transducer clip broken Defective flashtube Defective strobe Ambient Exposure Adjustment Failu...

Page 71: ...ical causes Poor LCD module connection See Poor LCD Module Connection Page 4 9 LEDs don t Light or Light at Wrong Time Typical causes Poor LCD module connection See Poor LCD Module Connection Page 4 9...

Page 72: ...Defective FM Incorrect shutter assembly IC Timeout Error Typical causes White trigger wire caught under features shield Burndy connector locking cap not closed Brown wire routed too close to features...

Page 73: ...Wire Connections and Test Points Figure 4 4 shows the wire connections and test points required for most troubleshooting Figure 4 4 Wire connections test points strobe exposure module and ranging boa...

Page 74: ...ams are provided on the following pages Description Figure Page Spectra Pro Image Pro Minolta Pro Schematic 4 5 75 One Board Strobe Exposure Module Schematic 4 6 76 Ranging Board Schematic 4 7 77 Feat...

Page 75: ...75 Figure 4 5 Spectra pro image pro minolta pro system schematic...

Page 76: ...76 Figure 4 6 One board strobe exposure module schematic...

Page 77: ...77 Figure 4 7 Ranging board schematic...

Page 78: ...78 Figure 4 8 Features module and display module schematic...

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