Sharp VL-A111UL Service Manual - Page 20
Cassette control ass'y, 5-3. Actuating the mechanism with the cassette, control ass'y removed,
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VL-A111U/AH131U VL-AH151U/AH161U 5-5-2. Cassette control ass'y (1) Set the unit to the EJECT mode, and let the housing stand upright. Or set the unit to the STANDBY mode, press the lock lever in the arrow direction, and let the housing stand upright. (See Fig. 5: in the direction a or b ) (When pushing in the direction a , slightly lift the housing by hand to release the lock lever.) (2) Remove the four screws 2 and take out the down guide 3. (3) Slide the two link support shafts c and the two roller shafts d to the round openings g on their respective slide chassis slits (two at e and two at f ). (4) Deflect the roller shafts d a little inward to get them out of the round openings g on the slide chassis. (Be careful not to deform the inner links.) Lock Lever a Down Guide c i Screw b j Figure 5. Lock lever section 1 (1) Set the unit to the STANDBY mode. (2) Deflect the roller shafts d a little inward, and fit them into the round openings g on the slide chassis. (Be careful not to deform the inner links.) c d (3) Align the flanges of roller shafts d with the slide chassis slits f . While c sliding the flanges, fit the support shafts c in the slide chassis slits e , and slide them until they reach the slits. (4) Attach the down guide. (While pressing the guide in the direction i , tighten the screws until the gap j between the down guide 3 and the support shafts c becomes zero.) f g e 2 i Tightening torque: 70±7 mN·m (0.7±0.07 kg·cm) 5-5-3. Actuating the mechanism with the cassette Screw tightening torque (4 locations) 2 0.069±0.007 N·m (0.7±0.07kg·cm) 3 i 2 2 control ass'y removed (1) Turn on the power supply with the cabinet and camera unit removed, Figure 6 referring to the Service Manual (so as to actuate the mechanism). Cap (2) Put the cap on the light guide. (3) Press the cassette control down switch through the adhesive tape in the arrow direction so as to turn it on. At this time take care to avoid it Adhesive tape in contact with the cassette. Keep the switch pressed (if the switch is turned off, unloading occurs). Note: To set the Rec mode, press the pin (marked with the asterisk *) of recognition switch (this operation is not necessary in other modes). Cassette control down switch d f e g Light guide Recognition switch 5-5-4. Drum and Drum base * *The upper drum and the lower drum have been replaced until now, respectively. However, for this model, they are replaced as the upper/lower drum ass'y. When replacing the drum, put on gloves and be careful not to damage it. (1) Drum base (Common to both types) Remove the three fixing screws to remove the drum base as shown in the Figure 1. Drum base Fixing screw Earth spring Upper/lower drum ass'y Positioning hole Follow steps opposite to the drum disassembling method. (1) Drum base Adjust the positioning pins and secure the drum base with screws. (3 pcs.) (2) Drum ass'y Install the drum ass'y to the main chassis and secure it with screws. (3 pcs.) (3) Tape guide Adjust the positioning pins and secure the tape guide with a screw. (1 pc.) Figure 1 20
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