Related Manuals for Minolta XD-11
Summary of Contents for Minolta XD-11
- Page 1 Minolta XD-11 Repair Guide Figure IB OVERRANGE LED SHUTTER-SPEED SCALE UNDERRANGE LED DIAPHRAGM WINDOW Figure 3 Figure 4...
- Page 2 But Minolta chose to set its metering ring moves a brush along a ground. Battery compartment at bottom own standards w ith the XD-11. Among resistance band, thereby programming of camera. Behavior w ithout batteries — shutter...
- Page 3 So, if you install an MC lens on the the XD-11 controls the movement of the posure according to the light conditions XD-11, the LED display w o n 't indicate an diaphragm-closing lever, Fig.
- Page 4 Consequently, you can't OTHER FEATURES OF THE XD-11 advance the wind lever a second time. The XD-11 and its spinoff, the XD-5, After the exposure, the mirror-tensioning lever swings from right to left, Fig. 9, and both use the Seiko MFC modular focal- plane shutter.
- Page 5 the mirror-release capacitor C6 and the coil discharge through the coil of M1. citors that discharge through the coils of But notice in Fig. 10 that switch S1 the combination magnets. C6 discharges of the mirror-release magnet M1. Turning must be closed before the comparator through the coil of the mirror-release on T6 allows the capacitor to discharge output connects to the base of T6.
- Page 6 Replacing the transistor gives you a properly. And the problem must be with of transistor T6, Fig. 13. W ithout de choice in repair procedure. Minolta does supply the individual components. But you may prefer to replace the complete circuit board (circuit base plate B).
- Page 7 The components for the diaphragm- control circuit also mount to the circuit BLACK PURPLE board at the bottom of the camera, Fig. 15. But you can't as yet see switch S7. Switch S7 is part of the mirror-release-magnet assembly M1. As the armature of M1 jumps VIOLET away from the core to release the mirror, it opens S7.
- Page 8 short distance. If it doesn't, you know then im m e d iate ly arrests toward the front of the camera, Fig. 16. If that the diaphragm-control magnet M2 diaphragm-closing lever. If the problem the M2 armature now jumps away from the and the diaphragm-control capacitor C5 occurs at all three modes, try cleaning the core, the circuit is sending the release signal...
- Page 9 D IA P H R A G M CO NTRO L IC2 - SHU TTER- RELEASE IC1 - D IA P H R A G M LOCK CO NTRO L O UTPUT DRIVER PHOTOCELL FOR LEDs A M P LIF IE R SPEED CO NTRO L LIG H T LEVEL + F IL M SPEED...
- Page 10 ACTUAL CIRCUIT FOR THE disconnects IC2 from ground. speed setting and the photocell output COMBINATION MAGNETS IC2 serves as the driver for the LEDs. provides the voltage at the other input. If So, when S7 breaks the IC2 ground con Fig.
- Page 11 Check the diaphragm-control circuit by mirror, the mirror-release components lift o ff the wind lever. Also unscrew the holding open the shutter on bulb. Then must be good. top-cover retaining ring around the wind push the armature away from the core of If you find that there's a problem on the shaft.
- Page 12 wind lever return spring sometimes should move into the w indow. If the film- film winds onto the take-up spool, it sneaks under the wind lever. If that hap advance indicator doesn't move, loosen pushes forward a lever inside the take-up pens, the wind lever w o n 't return freely the retaining ring.
- Page 13 Next seat the upper brass bushing. Fig. 25. Two tabs on the underside of the up TAB ON per brass bushing fit into the tw o slots of RESISTOR RING the lower brass bushing. Fig. 29. Also, the ends of the spring attached to the exposure-compensation lever, Fig.
- Page 14 You Fig. 33, causes the overrange LED to re ting. Naturally, Minolta has a special top main on. Also, the shutter delivers only its can pinpoint a problem to the mode cover which holds the film-speed dial in switch by using voltage tests.
- Page 15 Unlike most systems, the XD-11 selects the automatic shutter speed by reading the light through a stopped-down aper ture. W ith the diaphragm fully open, the SPD sees the maximum amount of light.
- Page 16 But the timing capacitor can t start cuit takes its light reading through the armature. W ith S7 closed, the switching charging until the trigger switch (timing largest aperture — and the exposure- transistor. Fig. 37, turns off; the base of switch) opens.
- Page 17 However, you've seen that the transistor the electromagnet current source. Both appears across the timing capacitor. in series w ith the XD-11 electromagnet re components are inside H-IC, the hybrid IC However, timing capacitor can't mains o ff until you release the shutter.
- Page 18 0V with the But, in the XD-11, you need only remove release button depressed. the top cover to clean the memory switch You can also use a shorting test to check and check the continuity.
- Page 19 ■■ = = = = ^= = = - SCHEMATIC OF THE XD-11 open the shutter. The voltage at pin 16 goes high to shut off the It may at first appear that the complete schematic. Fig. 41, electromagnet current.
- Page 20 Figure 41...
- Page 21 REMOVING THE FRONT-PLATE/ allows you to slightly spread the sides of into place. In action, the air-damping MIRROR-CAGE ASSEMBLY the fro n t decorator plate to clear the lens- piston slows down the upward move As mentioned earlier, the fro n t plate, mounting ring.
- Page 22 Connect a jumper between the should avoid disturbing these ad Minolta, the dummy camera body isn't ground land on the lower circuit board, justments. Why? Because you must available. You can't even make your own Fig. 47, and the front plate. The shutter...
- Page 24 CHECKING H-IC You might suspect H-IC, Fig. 48, if nothing works electronically — the LEDs w o n 't turn on and the shutter w o n 't release. Also suspect H-IC if you're get ting battery drain w ithout depressing the release button part way.
- Page 25 Figure 52...
- Page 26 Set the mode selector to the S posi tion, Fig. 55. Then partially depress the release button and measure the MD com mon voltage. W ith o u t a lens, you should measure around 1.4V. Minolta specifies Figure 55...
- Page 27 Fig. 55. Notice that Fig. 55 shows the later model of the camera. Here, Minolta added the bridge over the mode selector to maintain better brush contact. If cleaning the mode selector doesn't solve the problem, suspect the minimum- aperture resistor.
- Page 28 tw o shoulder screws. Fig. 59. should center on the first resistance path. M1 armature away from the core. As you That's as far as you'll have to go in Fig. 59. You might also check the adjust can see, the pin on the armature has disassembly to clean the brushes and the ment w ith the f/1 6 MD lens installed.
- Page 30 DIAPHRAGM-CONTROL CIRCUIT shown just below the RTV resistor in Fig. you select either A or M, switch S11 (part 63. Pin 11 of IC1 now connects to In the S mode, IC2 tells you w hat of the mode switch) connects pin 11 of ground.
- Page 31 Notice in Fig. 64 that the memory- tromagnet M3, Fig. 64. Right now, the Switch S9 now connects RTV to pin 20 capacitor voltage provides the base bias output of the M3 comparator remains at of IC1, Fig. 63. As you set faster shutter fo r transistor #1 inside IC1.
- Page 32 A t the current price of silver-oxide bat other pins. For example, pin 12 connects adjust the magnets — not unless you've teries, Minolta felt the problem deserved to the trigger switch. W ith the shutter replaced either M1 or M2. If you replace a a modification —...
- Page 33 (0.180V) ± 2 m v. If not, make the adjust ADJUSTMENTS troubleshooting. As you'll recall, ment using Rx7. Turning the wiper of Rx7 For many of the repairs in the XD-11, should measure from 1.1 to 2.2V without a in a clockwise direction causes the w o n 't...
- Page 34 W ith the flash unit fully charged, the second, the f/2 LED should turn on. exposure in the A mode. Minolta recom signal at pin 1 of H-IC, Fig. 63, turns on If the LED readout is not w ithin 1 EV, mends testing the automatic shutter transistor T10.
- Page 35 Minolta does supply the parts in need only clean the blades. Oil causes the minimize the sticking problem. The new- dividually, and most of the XD-11 shutter style blades have dimples which prevent blades to stick together. perfectly flat blade-to-blade contact.
- Page 36 W ASHERS Figure 73 Figure 74 Closing-blade set (Part #2005-0712-01) Figure 75 Figure 76 Opening-blade set (Part 2005-0713-01) Figure 77...
- Page 37 CLO S IN G - BLADE UPPER Figure 79 First section o f opening blade in position Figure 78 damper, similar in appearance to the opening-blade dampers, which fits into a slot to the right of the blades. Fig. 77. On reassembly, first seat the shims and the dampers as shown in Fig.
- Page 38 Figure 81 Shutter-term inal board Figure 83 modular, electronic focal-plane shutters. And, since some through the electromagnet, the Seiko delivers a mechanical cameras d o n 't provide a clearance cutout over the eccentric, you speed that's very close to 1/1000 second. Consequently, you may may find that the test circuit comes in handy.
- Page 39 wind stroke which adapts well for use When the bulb lever moves to the w ith a power winder. You can get a better electronic-speeds position — fu lly idea of the operation if you try pulling clockwise, Fig. — pulls down the arm on the opening-blade driv...
- Page 40 be a dab of Pliobond between the end of During the cocking cycle, the shutter- clockwise direction. However, to let off the spring and the release lever. cocking lever rotates the timing cam in a tensions, you must disengage the pawls clockwise direction.
- Page 41 TENSION- SETTING RATCHETS C A M SPRING FLYWHEEL Figure 90 Cocked position Figure 89 Released position Be careful as you lift off the bridge the electromagnet. A roller on the ar latch. The replacement electromagnet plate — several shutter parts are loose, mature rides against the outer edge of the and the magnet bridge come as one Fig.
- Page 42 M A G N E T BRIDGE X-CO NTACT CLOSING LEVER O PENING-BLADE DRIVE SPRING Figure 93 Figure 92 the shutter, the shutter-cocking lever timing cam as shown in Fig. 91. blade latch. comes against a roller on the opening- A t this point, you can more easily You can now lift out the magnet observe...
- Page 43 SHUTTER-COCKING LEVER ENGAGES OPENING-BLADE DRIVING LEVER HERE Figure 96 Figure 97 Figure 99 in Fig. 98. There's only one problem — m a g n e t LEADS you disconnect the shutter leads to remove the shutter. If you're also removing the flex circuit, you can leave the shutter leads connected to the shutter-terminal board, Fig.
- Page 44 Figure 100 simulates the camera's timing circuit at the 1/1000-second setting. There are several ways you can build such a timing circuit. Fig. 100 illustrates one method. You should have no trouble in obtaining the components from any electronics supplier. Although you could build the power supply into the test box, we've designed the circuit of Fig.
- Page 45 ing the metering switch S5. Next the release-slide latch now moves out of the then disconnect the shutter wires from brush connects the orange-wire contact path of the release slide. As the brush the flex circuit rather than from the to ground to close the release switch S3.
- Page 46 controls the shutter-speed scale. First set the 0 shutter-speed setting, Fig. 103; that lets off most of the initial tension. Remove the speed knob and unscrew the nut holding the speed selector. Then, as you lift o ff the speed selector, disconnect the tungsten wire from the adjustment collar, Fig.
- Page 47 Minolta A D J U S T M E N T S E T S C R E W...
- Page 48 But you don't have to rush out and buy sion spring. Fig. 110. an oscilloscope to repair the XD-11. For When the mirror-release lever frees the Also, the diaphragm-closing link ro one thing, adjusting the memory time lag diaphragm-closing link, it also frees the tates the gear segment, Fig.
- Page 49 cage, its insulator opens the memory W IRE-HOOKING SPRING-LOADED switch. Also, the latching end of the PULLEY PULLEY memory-switch lever disengages mirror-lifting lever, Fig. 112. The mirror- lifting lever then drives the mirror to the raised position. When the mirror nears the taking posi tion, the shutter-release lever, Fig.
- Page 50 spring tension on the spring-hooking TRANSPORT REPAIRS Fig. 116. Notice in Fig. 116 that we've pulley. Too much tension could break the temporarily repositioned the flex circuit to There's one common repair in the scale. clear pulley #2. Normally the flex covers transport —...
- Page 51 However, you'll find it easier to reconnect the springs if you first remove the counter AD VA N C E -IN D IC A T O R dial. LEVER Take out the screw holding the counter stop, Fig. 118. The counter stop serves FILM -A D V A N C E IN D IC A TO R both to connect the counter-dial spring...
- Page 52 the lock plate, a part under the transport cam. Just to be safe, you might discon nect remove advance-pawl spring. Now lift out the transport cam together w ith the mirror-cocking lever and the shutter-cocking lever. Fig. 122 points out the lock plate mentioned earlier.
- Page 53 The double-exposure feature in spaces between film frames also fall be spring. the XD-11 just disengages the advance tween perforation holes. Most customers Replace the base plate, Fig. 124. You'll pawl, Fig. 121, from the main wind gear.
- Page 54 tion. To adjust the wind latch, loosen the counter-advance assembly. Fig. 124. Just the winding-base plate, rotate the main loosen the screw and move the base plate screw turn eccentric brass wind gear until one of its punch marks bushing, Fig. 128. until the counter actuator aligns with the aligns w ith the punch mark on the second Also note the tw o eccentrics on the...
- Page 55 Plus it of again partially cock the shutter. W ith the Another of the XD-11 's strong points is fers the versatility of every possible opera transport latch against the outer edge of the shutter.
- Page 56 Symptom Causa Symptom Cause 3. Trigger switch S4, poor contact. come against the blade of S7 w ith the mirror cage tensioned. 1. Film-speed resistor SV, poor contact. Overrange LED Shutter does not 1. No voltage to the lower circuit remains on, 2.
Need help?
Do you have a question about the XD-11 and is the answer not in the manual?
Questions and answers