BRONICA REPAIR MANUAL TOOL - PARTS LIST BRONICA CO., LTD.INDEX Model $2 Body - 1 Exterior of Body 1 - 2 Upper Part of Body .. sane seen - 3 Winding Block . saeseteeereees 6 = 4 Mirror Block . sone. 22 - 5 Body Preset System .. 9 = 6 Shutter Block ....eseeeseeee 42 = 7 Satety Device ws. teseeeeeeee 5 - 8 Flash Synchronization System .. seeeeeeeneee 57 ~ 9 Helicoid Block ....seeeeseseeeeseeeees seeee 62 - 10 Focusing Hood Block ...... 64 Model - ¢ - 1 Exterior of Boay . seeeee + 65 - 2 Winding and Release System ........cccceeeeeeeeees 68 Chain Action Diagram ..ssssssseeeeeseeeeeeees +72 Film back Magazines - 1 Model $2.0... eeey a - 2 Models $2, Band ¢ ...... seeseee 83 Film Holder Block issessesseececeeesseeeseceseeeeeeeesere OL se eeeeeeeeeeee 10K(Black) : Acsagac rae A\ {A056966 c” [AO Back) \ a. IP NY Ke wap ‘ Pesos, be { {Bee.3192 7 Ve atSer0y ~~ \ 9! 950 (Bleck) x nossenilste4 \ 1o597013 = KS Las oa fay ¢ 20 Aaa s AChss 10 —— Cee 4056576(Biack) = 46.11.9313, 1969,[zI-2 26/05%2. Boctyr2 4. B52022te4. 652025204 & codorzer as5p350._ A055920___ AS56240 fh Ais -BO3Z052 «4 carm S2 pai-3 Ads 6140 Y acsaic ee BRIE \ come FF) “0 Lovive GESTS (Black Gy tite 45°49. 51 31969. eae]steerer 20231732 Als LED paiiszse EY ee 51110 a oO B1sv020 Agezasl Agenige. aie Ossett hey, (04) 0952 3.90 yew y 31. 31969 egE S2 I-2-2 Agssasl.sé I-3-1 ~~ Boz4geexe ~~ASLL30 B3u222 Boz2382__ i (8O232/2+3 = | L246 962 4 7 \assze4a 3 \ Bos3ces \203 306419 anid 35.1969 ae4054001, Boz8122 Bougnse_ ei) a ? / i as Se é assez Ao\\ besooizd, | go2a:242 \ gozzaess2 “8023292 40.59 313.1969. cee$2, € I- 3-3 4654320 (S2) ++ A070840«0 > A543 IC A055816 ~A 055830 40.11.9 5H 3.1969, eauG Models S2 and C 1-3 Malfunction: Film wind crank-handle turns freely. Film wind erank-handle turne too lightly and there in no sign of shutter charging or film advance. Method of checking: Remove ‘the right side-cover plat crank-handle- and manipulate the film wind 1+ Only the three outer gears rotate and other gears fail to turn. (Model C only) 2. The entire gear assembly fails to rotate or turns Ant mittently. Cause: Method of repair: Rotation is not conveyed to 1. Replace Gear #2 and Gear #2. Gear #2 due to breakdown of Gear A. 2. Rotation is not conveyed to 2, Re-caulk or replace parta. the gear assembly duo to loosening of the caulking of Winding Wheel #3 and Winding Pin Bearing #4."i s--- 4054320 °3nnn-- 4054310 8923141 40. 19 ALELI G9, ... —10—Model 82 I-53 -4 Malfunction: Swelling on a part of the right side-cover plate Cause: Method of repair: Screw #2 for fixing Gear #1 in 1. After applying bonding agent position became loose through to prevent loosening, tighten contact with the inner surface Screw #2 securely. of the side-cover plate during rotation aud pushes out the side-cover plate. 2. Replace Gear #3 and Screw #2 with improved parte featuring left-motion screw thread. -Hl-2 ea * 1 a. % ‘, 4 3, \ \ \, “Ee, 2 x O af = A053996 2 ----as530 "3 ---. 8630180 40.11.9 TL31968. 0 12Models S2 and © at Malfunction: Film wind crank-handle tends to recoil when grip ie @ in the course-of shutter charging. Method of checking: Film wind ratchet faile to function properly. Cauaes Method of repair: Re-caulk the stud. Caulking of Stud #2 of Film Wind Ratchet #1 has becone loose. Poor function of Spring #3- After checking the function of Film Wind Ratchet #1, adjust Spring #5 eo that it provides greater recoiling powers 3. Deterioration of the shape Re-form the tip with a whet- of Film Wind Ratchet #1. atone or replace Film Wind Ratehet.6 EAL SrPe ert : AS53170 Jono ate B=. 4993131 3--- 8630200 40.11.9 SL 3. 1969, — leModels 52 and C Malfunction: fails to operate. Method of checking: 1-3-6 Film wind crank-handle does not cone to a stop after shutter charging and therefore shutter rel. button Winding Stopper Lever #1 fails to catch Winding Stopper Ring #2. Cause: 2 Spring #3 preseing stopper Lever #1 46 too weak. Hook Section #4 of Stopper Lever #1 is bent and is liable to elip off the catch. Hig Method of repair: 1. Adjust Spring #3 90 that it Produces sufficient recoiling power. Re-form iiook Section #4 of Stopper Lever #1 and Catch #5 of Stopper Ring.Sz, C eee "7 --- B31261 4g --- 4553131 AO119 515.1969, ~Modele S2 and ato Malfunction: Film wind crank-handle rotates freely. Shutter fails to function even when ehutter r button ia depreesed, and film wind crank-handle atill turns without any resistance. Method of checking: Remove right eide-cover plate and, after releasing the shutter, give film wind crank-handle a turn. (With Model C, set the film aide in thie case to fully wound state.) Although Winding Stopper Ring #1 rotates, Shutter Charging Gear #2 and Mirror Charging Gear #3 fail to turn and filo wind crank-handle comes to a stop. Cane: Method of repair: 1. Spring #5 of Winder Advancing 1. Replace the spring. Claw #4 is disengaged and Advoucing Claw #4 fatie to convey the rotation to Shutter- Mirror Charging Gear #6 and Winding Roller #7. 2, Cuuling ci Stud #8 of Advanc- 2. Replace the stud. ing Claw #4 and winding Stopper Ring #1 has become loose. peeI—3.-8 [== assuiz0 2 --Aoseoag 3 -- 80230242 4 5 a es =~ A530 =~ 4550610 0.11.9 _31.5,1969, TModels 52 and ¢ Malfunction: A big rattling noise is produced inmediately after shutter charging, and both mirror and ehutter fail to operates (When the shutter curtain is in a released state.) Method of checking: 1. ‘The extent of rotation effected through manipulation of the film wind crank-handle is quite sufficient on the uirror side but ie insufficient on the shutter side. 2. ‘The extent of rotation is insufficient on both the mirror and shutter eid Cause: Method of repair: 1. ‘The teeth of Intermediate 1+ Denount the Winding Block and Shutter Charging Gear #2 and tighten Screws #3 fixing Shutter Charging Gear #1 of Winding Release Roller Stud the Winding Block are not from the rear, if they are properly engaged. found to be loose. (Fig. 2) Advance SM Charging Gear #i by one tooth in a clockwise motion and M Charging Gear also by one tooth in a counter= clockwise motion; then, mount the Winding Block seeing to 4t that the teeth are engaged properly. (Figs. 1 to 3) 2. SM Charging Gear #4 and M Charging Gear #5, a5 well as Internediate § Charging Gear #2 are not engaged properly. Demount the Winding Block and tighten Screws #3 on the rear. (Fig. 2) After shifting SM Charging Gear #4 by one tooth ina clockwise motion, mount the Winding Block seeing to it that the gears are properly engaged. (Figs. 1 to 4)S20. i £1 _--~agsi6a0 #5 -.-- 4550650 "6 ----6630320 tO119 3151969, _ poModels $2 and C A big rattling noise is produced immediately after shutter charging, and both mirror and ehutter fail to operate. (When the shutter curtain is in a charged state.) Method of checking: 1+ Hook #4 of Mirror Return Gear faile to catch and inetantly returns to ite original position. 2. The extent of rotation effected through manipulation of the film wind crank-handle is cufficient on the ehutter side but insufficient on the mirror aide. Cause: 1. a. Shutter Return Release Lever #1 faile to funetion properly. b. Hook #4 and Hook Release Lever #5 fail to function properly due to loosening of Screw #3. €- Spring #6 of Hook #4 48 @ieengaged. (Fig. 1) 2. Gear #7 and Mirror Charging Gear #8 of the Winding Block are not engaged properly. EE pace Method of repair: 1. a. Nake adjustment to assure proper function. Check Spring #2- bs Check the function and tighten the screw securely. ¢. Hook the spring in place and apply bonding agent on ite tip. 2. Shift Mirror Charging Gear #8 by one tooth in a clockwise motion and engage the teeth properly with Gear #7 at that position. (Figs. 2 and 3)Boze212 ae / eo hy Bs x ie Bo2znea | Ass2510 1 | . [easooet 4553520 / £0RE2I2 _sesoon 2 aS ae re J AA05U6L— cims ! \ me iag5iz70 a \ Sate \.go2eg22 Bouzin./ / _-€ ou a ’ war + 550720 2 6300 8 i pee aoiviga. Gf Laosizeo te 40.119 31. 5.1969, eeeessay | [-4-2 GNawsz220 -. ae o o ben ea 1 \Bssoze ror say | MBAR, 1 3. 1969,§2 1-4-3 4056060 / 850105! 4017.9 Jk 41969. —24—S7Ae an ce | ee 8 oe wrfol é | « 2h 4 7 y 4650570 "Deen 4050860 45 Be 39660 4011.9 JL 51969 peerModels S2 and C dire atee a Malfunction: Delay in mirror return. Method of checking: 1. The tension of the spring for mirror return is weak. Cause: Method of repair: 1. Stopper #1 which sete the + Adjust Spring #3 eo that it spring for mirror return will not slip off Stopper is disengaged from Spring #1 and set epring for mirror Gear #2, thus weakening return. (Turn Gear #2 about the tenaion. 2.5 revolutions 4n a counter- clockwise motion.) peeI-4—-5 “5 % AS50410 40.11.9 SL G1969 geefee ete Models S2 and ¢ Malfunction: Mirror faile to function even when shutter release button is depressed. Method of checking: Demount the winding block and, after setting the tension of the epring for mirror return to zero (by disengaging Stopper #1 on the left side of the body), turn Mirror Charging Gear #2 manually in a clockwise motion. In this case, no resistance giving evidence of spring winding will be felt. Cause: Method of repair: Spring #4 for mirror flip- Replace Mirror Motive Drum down within Mirror Motive Drum Block. #3 is broken or ite Hook Section #5 slipped off its mount on Drum #3.7 I-4-6 8 ae 38 ao238 8530361 ae R222 52 3.3 1969. EaMalfunction: Method of checking: Le 2. Cause a. @) (2) GB) ee Mirror faila to return from flip-down position. Mirror remaine at flip-down position but returns to viewing position when pushed up manually. Mirror remains at flip-down position and fails to move even when puehed manually. Disengagement or disruption 1. (1) of the Mirror Operation Cora #. Disengagement or disruption (2) of the Mirror Cord. Disruption of the Mirror @) Return Spring. 2. Mirror Keturm System Pawl #6 faile to disengage from the Return Gear Stopper #5. a) (2) @) the reer curtain fails to @ close completely. Cam #4 fails to disengage fron Stopper #9 because of inpro™ per engagement of Gear #7. Disengagement or disruption of the Spring #3 hooked to Can #4, (2) Gear faile to rotate sacoth- ay due to accumulation of dust or foreign particles. Parts Nos. Ae 2B veeeerane Aes B reeeeeee BE 4 ow +B 40616 ~31~ In case of disruption of the cord, thread both enda as shown in the figure and adjust the length so that the mirror returns precisely to viewing position. Refer to Section 10- Turn #2 given in Fig. 1 in a counter-clockwise motion. If no resistance is felt, it signifies disruption of the spring, necessitating replacement. Normal spring tension ie obtained by turning #2 three and a half revolutions in a clockwise motion. In case of improper engagement of Gear #7, adjust ite pin positions at #8' when the rear curtain closes completely. In case of disenragnent, hook the spring so that it will not disengage. In case of dis- ruption, replace spring.c [n 4-8 gpI-a-8 Malfunctiont Mirror begins to flip down as coon as the film advance knob je manipulated and ebutter trips when film wind is completed. Method of checking: Pawl #2 which retains the mirror fron flipping dovm fadle to engage Stopper #1 of the gear (See Fig. 1)+ Cause 1. Shutter Button #6 fails to return properly. 2. Release Lever #3 fails to return properly. 3. Abrasion of or damage to the hook section. 4. Pawl #2 feile to return Properly. Parte Wo! AL veeeeeeee 550621 2 veeeeeeee 550710 Boeveeseees 4553520 W seeeeeeee BEICCE! Method of repair: 1+ In case of disengagenent of Spring #5, hook it securely eo that the shutter button returns properly. 2. Either adjust the pivot section 0 as enable smooth movement of the lever or increase the tenaion of Spring #4, 3+ In case of abraded or damaged hook section, make replacement (Figs. 2). 4, Make adjustment to assure smooth movenent of Pawl #2 and. Spring #7. 85300: sreees 205115 3530130 B eeeceeees Be saizocsz only) Sea gaefay SSC ISZTR set screw B042023%2 S13. 1963. —34-52 C I-4-10 tg tig 2 gee.I-4-10 Malfunction: Breakage of mirror or mirror frane Method of checking: Breakage of a portion of the mirror, puling off of the mirror surface, or breakage of the upper ection of the mirror frame. Breakage of the mirror is attributed to gap between + Fringe #1 of the Support Plate and Mirror #2. Each time the mirror flip up and down, it shifts and comes in contact with the fringe, causing breakage at pointe where it ie most susceptible to dacage (Fig. 1). Cans Nethod of repair: 1, Excessive gap between Fringe Glue @ rubber chest measuring 0.5an #. of the Support Plate and in thickness on the: surface of #1. Mirror #2. Replace Spring #3 with Moltprene #7 and #8 (Fig. 2). 2, Mirror frame does not provide 2. Make replacenent of Support Plate required durability. #1, Mirror Fraze #4 and Mirror #2 with equivalent new type parte (Fig. 3). + 4550310 + A055660 4 seeee+aesz060 5 seees ngs2igix2 © ween ee AGS 21402 7 vere B750030%2 8 9 seeeesB760100 seereeAo52110 1O verre 4052126 ++ BG42c23%2 12 seseeeBo42 031K2 AB veeeeeAes2100%2 36-*)----B7ao01n2 86> 4.052020 *2---=A051920x2 es 022 164x2 "3 ----A550320 "38 -AQS50TIO "5 -~~-2052020 #9----A051970%2 40.419 3h 3, 1969 a7—Models S2 and C I-4-1) Malfunction: Mirror stops movement midway during operation. Method of checking: 1. Mirror Operation Cords #1 on the left and right within the body have slipped off Guide Rollere #2. When the mirror moves slightly downward, Light Cut-off 2 Plate #3 jams againet Frame #4 on the upper section of the body. Cause: Method of repair: 1. The cords slacken during 1. Fix Cord Guides #5 end #6 operation and slip off from the inner side of the the guide rollers. body with the aid of Screws #2 2. Glue Guide Plete #8 with bonding agent on the inside of Frame #4. 33$2,¢ 05153 0880530." (cm 022212. (sobo1z202. \ ~ 8520222 \\ aozz2i2.. \ Bozz0d.__ 8051400. gf posiseo A051520. Ma 4 550510 Be Meee teu 23272 4550520. A054 80. : 4 550510. -—86 10050 ON TABS. “B300334 Cane 080 4011.9 _31,.01969. —js—A05630F 4550520 - A05155C -- A951530 + A550530 eae B630110 4011.9 i J969. —40—Modela $2 and ¢ Malfunction: Method of checking: Cans 1 Be 4 Irie diaphragm of the lens fails to operate, although mirror and ehutter function properly. Demount the helicoid unit. Check whether or not there is a diaphrage lever #1 within In case the helicoid unit is equipped with Diaphragm Lever #, push Diaphragm Coupling Pin #2 jutting out within the body with your fingertip and press Diaphragm Preview Button #3. Ye nothing is felt on the finger pushing the Diaphragm Coupling Pin, Spring #4 for diaphragm operation is out of When Screw #5 is turned in a clockwise motion in order to set the tension for diaphragm operation, and when the spring does not wind and the screw turns freely, it means that 1. thé helicoid unit. 2 order. 3 Spring #4 is cut. 4A. If 4n thie © e the spring winde properly, it moans that the tension of the spring ia always at zero due to the fact that Stopper #7 is disengaged from Gear #6. Deformation of Diaphragm Lever. Poor quality and tempering of the epring. Deformation of the setting stopper or disengaging of Spring #8. —4l- Method of repair: le Be a Replace with now, improved parts. Nake sure the perts of the lever demounted are not left within the body. Replace the spring. Re-form the setting siopper or the shape of the tip cf the spring.ee , Benue) wg \ asonos2 teen? Bi aca! & ' S seany ds, assem. | Cau BSSOU 2 — bose X22 ane | Vs aass201 | é Bg23052 sel ad ) ~~ adjustable. 40.119 9 SLE 1969 | —47—B510542, 12083221. | 620030. if ‘8510521 pease SS an =a assez! // Seianwen, B3z2052 ‘scene, 8322 BB ee eeeeeeetee / Wi 72620220, / sszroee ys fe {4552160 * ond assausa AQ53420_— B62 \ [Po osnae f a Jt ay assego 7 Boz2.i12, B321062 i / / f ny . Nueva 4 % —s ~ Balooz2 Boro _/ z é ae Pang? ~ Roe e 40.14.9 315, 19 69. ~43—sz, € : 1-6-3 “3 | Fig. 4 40.419 3351969 _ 44Models S2 and C I-6-3 Malfunction: Shutter fails to operate at the set epeed. When adjusted to high speed, it operates at slow speed and even at low speed, it does not function accurately. Method of checking: Pin #2 on the tip of Slow Speed Switching Lever # faile to align properly with Slow Speed Cam #3 and elipe under the cam. (Figs. 3 and 4) Causer Method of repair: 1. Unalignuent of Slow Speed 2. Adjust the lever so that it Switching Lever #. comes into alignment. 45i-6-4 “4 ~---- 8022341 552300 Siow Sovernor-- -- SLS_1969, 40.11.9Modete S2 and C ately at slow speeds. Malfunction: Shutter fails to operate cou hethod of checking: 3. In case th sound signifying the cveration of the shutter at speed setting of 1 second is unsteady, it indicates a calfunction of the slow cpesd yovernor. 2. Loosening of the acrews fisins, tue levers in the slow speed mechanism. Method of repair: Cause: 2+ Loosening of caulking of 1. Replace the elow apeed Second Gear #1 and Pinion governor. #2 or Pinion #2 and Gear #5. 8. Loosening of Fixing Screw a. Replace the fixing screw #4 of Slow Speed Regulating with a long screw and Plate. tighten it securely. b. Malfunction of Siow Speed + Check Fixing Screw #6 Switching Lever #5. and Spring. Caution: If the shutter 4a charged without mounting the slow speed cam, it will cuuse a breakdown in the slow epeed governor. ~47—1-6-5 Fig.3 5552230 5620280 > assc160 ' pone SKS 1969 —48— A019Models S2 and C Malfunction: Shutter operates simultaneously with shutter charging (Thie can be determined most readily when the shutter speed is set at 1 second), and is followed by a big rattling sound. Method of checking: Although the mirror and shutter are charged properly, S Hook #1 which retains the shutter at charged position faile to catch Lug #3 of Main Shutter Activation Gear #2 and triggers the shutter. In this case, the 2nd curtain releases the pring for airror return. Because the mechanism for mirror return functions despite the fact that the mirror is not flipped down, the gears rotate at an extremely high rate of speed and produce a big sound when they come to a etop. Caution: When the camera is in thie state, do not manipulate the shutter charging mechaniom repeatedly over a number of tines. Cause: Method of repair: 2. Disengagement of Spring 1, Adjust the tip of the pring #4 of S Hook #1. to provide against disengage. nent. 2. Tip #5 of S Hook #1 418 2. Adjust the tip to proper shape. bent in the direction of the shaft. Malfunction of all parte 3. Make adjustment to ansure sooth from S Starting Lever #6 function. to S Hook. —49—32 —50=1-6-6 Malfunction: Rear Curtain fails to close at Bulb setting. Method of checking: Curtain closes when shutter dial is moved to another setting. a. Closes wita a whirring sound when set tol sec. b. Fails to close until the dial is turned to 1/60 sec. 1, a. Rotation of Toothed wheel AL is impeded vy Slow Shutter Switch Lever #3 because Release Lever #2 fails to reset all the way in the direction of the arrow. b. Malfunction of slow epeed governor. 2. Rear Curtain Hook #4 engages Stopper #5 (See Fig. 2). Curtain fails to close even when shutter diel is manipulated. Method of repair: 1. a. Mend Release Lever #2 if twisted or make other necessary adjust- gents to assure b. Replace governor. 2. Replace either Rear Curtain Hook #4 or Geer Stopper #5, whichever ie found to show traces of abrasion.-1-6- $2 —57—1-6-7 Malfunction: At Bulb setting rear curtain closes before presoure on shutter button is released. Method of checking: 1. Shutter functions properly at slow speeds (1 - 1/30 sec.) but rear curtain fails to remain open at Bulb setting. 2. Shutter fails to function at slow speeds (1 - 1/30 sec.) (out works noraally at 1/60 see. or faster speeds). Cause: Method of repair: 1. Tip #2" of Lever #2 fails 1. If Spring #3 is found to be to engage Toothed wheel #1. disengaged, set it properly into position. If Lever #2 is found to mave shifted out of its normal position due to loosening of Nut #4, tighten nut securely. 2. Governor Claw #7 fails to 2+ (1) Inxuse Gear Wo. 1 #9 of the cone into contact with governor fails to return to it Stopper #8 of the rear original position after rotating curtain gear (See Figs 2)+ in a clockwise notion, clean off dust or’ other foreign particles to permit smooth function. (2) Tighten Screw #6 if found to be loose. If Slow Speed Adjustment Lever #5 Shifts beyond its normal range of operation in the dircetion of the arrow, Governor Claw #7 will fail to engage Stonper #8. In this case, the shutter will not function at the epecified speed. Caution: The slow speed governor will be daxaged if the ehutter is charged without installing the slow speed cam. Bogrsa A958 2166 8 ve e-a55 2120 oe AS5221051 31989, —54—S2 =55-Hise Malfunctions Shutter faile to trip even when dark slide is drawn out. + Shutter button fails to operute (old model). + Shutter button can be depressed but shutter fails to trip (new model). Netuod of checking: Detach film back and check shutter release. (In norgal condition, Pin #1 juts out about 2mm when film back is detached.) 1. Shutter trips. 2. Shutter fails to trip. Cause: Hethod of repair: Shutter fails to trip because 1. Clean off duet and other foreign Lever #4 engages Stopper #5. particles fron Hole #2 to enable proper seating. 7 1. Pin # fails to seat properly in Hole #2 of Pilm Back. 2. Weak tension er disengaye- 2. egulate Spring #3 eo that Lever AL ment of Spring #3- of Pin #1 functions smoothly. (hen the film back is attached to the body and the dark slide inserted all the way in, 75 should engage #4. When th Gark slide is pulled out, #5 should dis- engage from #4.) Parts Nos. Fh seseeeee 1055101 Lies + A0s508C B seeseeees 8610110 B sseeeeees 4951520 6 oc sss-s-assaeze Res\ iT \a.g532i0x2 harzzaZn? 40.11.9 31 1969, —57—oy Flash Synchronizer I- Parts indicated in Fig. 1 are: Fhash Terminal Satety Contact which activates the circuit only at the time of exposure X Contact which switches in at the moment the front shutter sereen opens fully- #4 s+ssse0 Switening Contact waich cute off the FP circuit at slow shutter settings. FP Contact which switches in simultaneously with the function of shutter. 42.5 . HS we Wuen the shutter button is depressed and the mirror begins to flip down, Lever. #6 functions to switch in the Safety Contact SA. fe goon as the Shutter Tining Gear #7 begins to rotate, Lever #8’functions to switch in the #P Contact. Then, When the Main Shutter Screen Gear 49 starts to rotate, the front screen operates and, when it opens fully, Stub #10 hooks Lever #11 to switch in the X Contact. After the shutter operation is completed and the mirror returns to viewing position, Lever #6 resets to ite original position and the Safety Contact SA is cul off. At shutter settings of 1/30 to 1/1000 sec-, the cam featured on the sitter Gial pushes Lever #12 to switch in the Switcpihg Contact SW for activating the FP circuit. At settings of 1 to 1/15 secs, Band X, the Switebing Contact SW is disconnected to ewiteh off the FP circuit and activate the x circuit. Shutter Settings Flash Contact | x EP x4g.7 —60-Melfunetion: Method of checking: 1-8-3 Shutter fails to synchronize with electronic flash when adjusted to "X" setting. 1+ The lower portion of the image on the fila plane (or, in other words, the upper part of the picture) ie blucked out (Fige 1)- Synchronizer switches in before the front curtain opens all the way. 2. The upper portion of the image on the filu plane (or, in other words, the lower part of the picture) is blucked out (Fig. 2). Phe stutter speed at X setting which 4 normally between 1/40 and 1/50 sec. has been increase to approximately 1/60 sec. and therefore the rear curtain begins to close before the synchronizer is switched. Tighten Nain Shutter Shaft Nut #5, end "X" Terninal Fixing Serew #8, if they are found to be locae (Figs 3)+ Cause: 2. a. Stub #2 on Main Shutter ‘TMaing Gear Al comes into contact with "K" Operatica Lever #6. + Stub #4 on hain Front Curtain Gear #3 comes into contact with Lever #6 (See Fig. 3). Shutter fails to function at specified speed at slow settings due to loos- ening of Fixing Screw 410 of Slow Governor Unit #9 (See Fig. 6). Loosening of Pivot Screw #2 of Slow Speed Fine Adjustment Lever #11 (See Fig. 6) o. Shutter speed at "x" setting is adjusted to approximately 1/60 sec. 'X" Operation Lever Setserew #7 Method of repair: 2 ~6l— > ce Mend flexure of Lever #6 (Fig. 4). Hend flexure of Lever #6 (Fig. 5). Tighten screw and check shutter function at slow epeed. Tighten serew and check shutter function at slow speeds #4 is Slow Speed Fine Adjuetment Screw. Slightly file off Slow Speed cam AS at section marked by "XK" on Figs 2. Boze3e Bee2i7! Aosaseo