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

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FAULT FINDING GUIDE (Cont'd) TROUBLE PROBABLE CAUSE REMEDY k. Speeds slow Binding in mechanism 1. Runs at speed between 16 and 24 F.P.S. Slipping belt Pulleys out of line Belt shifter out of adjustment Belt shifter toggle spring broken Power line frequency other than 50 cycles m. Solenoids buzz Plungers not seating (Des. 642 only) 4. PICTURE TROUBLES AND REMEDIES Free binding condition Clean or replace Realign Adjust Replace Use proper voltage and frequency Adjust (para.46c and 47b) TROUBLE PROBABLE CAUSE REMEDY a. Film jump Damaged film Loose shuttle Dirty gate Damaged or lost pressure shoe spring Pressure shoe misaligned Incorrect shuttle stroke b. Double image Incorrect shuttle stroke Excessive shuttle protrusion c. Weave Sticking edge guide Side tension spring lost Fixed edge guide out of position d. Poor illumination Optics out of line Fire shutter sticking Front condenser reversed 7 Replace or repair Tighten (para. 43d) Clean Replace Realign Adjust (para. 43e) Adjust (para. 43e) Adjust (para. 43c) Clean Replace Reposition Realign (para. 42) Free solenoid or linkage (para. 47) Reassemble correctly
FAULT FINDING GUIDE (Cont'd) TROUBLE PROBABLE CAUSE REMEDY e. Poor focus Dirty lens Dirty aperture Warped film Projector lens mount out of line Pressure shoe spring lost Bent pressure shoe Pressure shoe out of line Clean Clean Recondition or replace Realign (para. 45) Replace Replace Realign f. Frame line creeps Framer eccentric loose Align and tighten (para.43f) g. Insufficient framing Framer eccentric out of adjustment Adjust (para. 43f) h. Trailer ghost Shutter incorrectly timed Reassemble properly 5. FILM TRANSPORT TROUBLES AND REMEDIES TROUBLE PROBABLE CAUSE REMEDY a. Loss of loops Damaged film b. Shuttle operates but sprockets do not revolve c. Lower loop not restored Inadequate shuttle protrusion Inadequate or excessive shuttle stroke Pressure shoe spring lost Pressure shoe mounting plate screws loose Sprocket shoes out of line Sprocket shoe locks not closing Sprocket drive gear loose on shaft In-out bracket spring broken Animation clutch spring broken or lost (Des. 642 only) Loop restorer stroke too short Loop restorer does not engage restorer cam 8 Repair or replace Adjust (para. 43c) Adjust (para. 43e) Replace Tighten Realign (para. 44) Clean or adjust Retime and tighten Replace Replace Adjust (para. 52b) Adjust (para. 52b)
Page 1 and 2: Disclaimer The information containe
Page 3 and 4: Model 642 Filmosound Projector (iii
Page 5 and 6: Section 3 Reassembly Procedure Page
Page 7 and 8: GENERAL INTRODUCTION This manual ha
Page 9 and 10: THE 16 mm Filmosound Projector DESI
Page 11: FAULT FINDING GUIDE 3. MISCELLANEOU
Page 15 and 16: FAULT FINDING GUIDE (Cont'd) TROUBL
Page 19 and 20: 16. DISASSEMBLING SOUND HEAD 18. DI
Page 21 and 22: 16 mm Filmosound Projector DESIGN 6
Page 23 and 24: the bearing (28) and trigger (29) t
Page 25 and 26: the loop restorer shaft and below t
Page 27 and 28: enough to hold. Insert the spring (
Page 31 and 32: Insert the alignment rod (SER-550-2
Page 33 and 34: When adjusting Design 642 projector
Page 35 and 36: 48. REWIND CLUTCH ADJUSTMENTS (See
Page 37 and 38: 50. TIMING BELT IDLER ADJUSTMENT Be
Page 39 and 40: THE 16mm Filmosound Projector DESIG
Page 41 and 42: disconnected when an external speak
Page 43 and 44: will show that full power output is
Page 45: THE 16mm Filmosound Projector DESIG
Page 48 and 49: Figure 2. Fllmosound Projector Main
Page 50 and 51: 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 and 102:
GENERAL INSTRUCTIONS Carry out the
Page 103 and 104:
ADJUSTMENTS The following adjustmen
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 113 and 114:
Page 115 and 116:
Figure 33A PROJECTION LAMPHOLDER AS
Page 117 and 118:
Page 119 and 120:
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 133 and 134:
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 141 and 142:
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
Page 153 and 154:
652 MECHANISM ASSEMBLY COMPLETE con
Page 155 and 156:
Figure 46 Mechanism Assembly (3)
Page 157 and 158:
Figure 47. Aperture Plate Assembly
Page 159 and 160:
Figure 48, Lens Carrier Assembly
Page 161 and 162:
Figure 49 Sprocket Guard Assembly (
Page 163:
SYM: VALUE PACT MO 21 33o
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Bell & Howell - Projector - Filmosound 641 - 642 ... - Cine Information

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