Bell & Howell - Projector - Filmosound 641 - 642 ... - Cine Information

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Filmosound 16 mm Projectors DESIGNS 643 and 644 SERVICE INSTRUCTIONS SECTION 9 ADJUSTMENTS 57
ADJUSTMENTS The following adjustments may be necessary in addition to those described in section 4 of the manual • I. Light pipe and photo diode Refer to Fig.C page 36 and carry out the procedure as described for design 642, using tools 027025-N2 and 026815 for sound drum and light pipe respectively in place of existing combined tool. Note that the skate assembly (Fig.37) must be removed before carrying out this operation. ADJUST COUNTER BALANCE SPRING TENSION FIG 0 ADJUSTING TENSION ROLLERS 2. Tension rollers (Fig. D) LOCATE GRAMME .GAUGE LEVER HERE If the tension rollers have been dismantled it will be necessary to re-adjust as follows. Usea sensitive gramme gauge with centre zero, 0 to + 50 gramme dial and, with the base of the sound head level, adjust the counter balance spring to hold upper and lower stabiliser arm assemblies against the upper stop with a force of 20 + 5 grammes. 58
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Disclaimer The information containe
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Model 642 Filmosound Projector (iii
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Section 3 Reassembly Procedure Page
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GENERAL INTRODUCTION This manual ha
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THE 16 mm Filmosound Projector DESI
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FAULT FINDING GUIDE 3. MISCELLANEOU
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FAULT FINDING GUIDE (Cont'd) TROUBL
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FAULT FINDING GUIDE (Cont'd) TROUBL
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16. DISASSEMBLING SOUND HEAD 18. DI
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16 mm Filmosound Projector DESIGN 6
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the bearing (28) and trigger (29) t
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the loop restorer shaft and below t
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enough to hold. Insert the spring (
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Insert the alignment rod (SER-550-2
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When adjusting Design 642 projector
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48. REWIND CLUTCH ADJUSTMENTS (See
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50. TIMING BELT IDLER ADJUSTMENT Be
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THE 16mm Filmosound Projector DESIG
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disconnected when an external speak
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will show that full power output is
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THE 16mm Filmosound Projector DESIG
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Figure 2. Fllmosound Projector Main
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Figure 3. Filmosound Projector Main
Page 52 and 53: Figure 4. Filmosound Projector Main
Page 54 and 55: Figure 5. Front Heel Arm Assembly
Page 56 and 57: o' / Figure 7. Projection Lampholde
Page 58 and 59: Figure 9. Sound Head Assembly I I i
Page 60 and 61: Figure 10. Mechanism Assembly (Shee
Page 63 and 64: Figure il MECHANISM ASSEMBLY. COMPL
Page 65 and 66: Figure il MECHANISM ASSEMBLY. COMPL
Page 67 and 68: Figure il MECHANISM ASSEMBLY, COMPL
Page 69 and 70: Figurs 14 LENS CARRIER ASSEMBLY Key
Page 71 and 72: Figure il SPROCKET GUARD ASSEMBLY K
Page 73 and 74: Figure il BLOWER ASSEMBLY Part No.
Page 75 and 76: I LL 1 2 3 4 5 6 7 8 9 10 1 1 12 13
Page 77 and 78: lOKn 3-9KP. Figure 21. Design 641 A
Page 79 and 80: 2 J 4 12 13 I H IS U ]7 18 19 20 21
Page 81 and 82: -a L-J *—5—fi 9 8 13 12 15 16 1
Page 83 and 84: Circuit Ref. Description R1 Resisto
Page 85: | Function Switch Pos»Tiof« I (
Page 89 and 90: JL ITC Wiring Diagram
Page 91 and 92: I Figure 26. 641 Amplifier - Circui
Page 93 and 94: ]Q - RJ3 R 26 CED 4 H R27 L C cp )
Page 95 and 96: Model 644 Filmosound Projector 49
Page 97 and 98: Filmosound 16 mm Projectors DESIGNS
Page 99 and 100: MAGNETIC SOUND SYSTEM TROUBLES AND
Page 101: GENERAL INSTRUCTIONS Carry out the
Page 105 and 106: 1 Hum bucking loop from head plug b
Page 107 and 108: Filmosound 16 mm Projectors DESIGNS
Page 109 and 110: The oscillator frequency is approx.
Page 111 and 112: Figure 32 PROJECTOR MAIN PLATE (1)
Page 115 and 116: Figure 33A PROJECTION LAMPHOLDER AS
Page 121 and 122: Figure 36 LENS CARRIER ASSEMBLY Key
Page 123 and 124: Key No. 1 3A 3B 4A 10 % 10A @ 10B @
Page 125 and 126: Figure 37 cont. 49 Switch, Magnetic
Page 127 and 128: WAF^H tWirCH CONNECTION)! DESIGN 64
Page 129 and 130: DESIGN 652 Filmosound 16 mm Project
Page 131 and 132: Filmosound 16 mm Projector DESIGN 6
Page 135 and 136: Figure K. Autoload System Adjustmen
Page 137 and 138: Fig. L TIMING THE SPROCKETS
Page 139 and 140: Fig.M. POSITIONING THE SOUND HEAD
Page 143 and 144: AMPLIFIER PART NO.027097 Four fuses
Page 145 and 146: Design 652 Figure 42 PROJECTOR MAIN
Page 147 and 148: Design 652 Figure 43 SOUND HEAD ASS
Page 149 and 150: Figure 44 652 MECHANISM ASSEMBLY CO
Page 151 and 152: Figure 45 652 MECHANISM ASSEMBLY CO
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652 MECHANISM ASSEMBLY COMPLETE con
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Figure 46 Mechanism Assembly (3)
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Figure 47. Aperture Plate Assembly
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Figure 48, Lens Carrier Assembly
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Figure 49 Sprocket Guard Assembly (
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SYM: VALUE PACT MO 21 33o
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Bell & Howell - Projector - Filmosound 641 - 642 ... - Cine Information

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