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

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FAULT FINDING GUIDE (Cont'd) TROUBLE PROBABLE CAUSE REMEDY d. Film rubs on loop restorer arm e. Excessive film slap f. Animation clutch does not operate (Des. 642 only) g. Animation clutch stops sprocket but shuttle pulls film (Des. 642 only) h. Splices jam in sprocket shoes Restorer arm out of position Reposition (para. 52b) Damaged film Dirty gate Pressure shoe rubbing on edge guides Incorrect shuttle stroke Open circuit Solenoid plunger set too high or too low Stop pawl clearance excessive Recondition or replace Clean Realign Adjust (para. 43e) Repair Adjust Adjust (para. 46a) Insufficient shuttle retraction Adjust (para. 46b) Bad splices Sprocket shoes set too close 6. SOUND SYSTEM TROUBLES AND REMEDIES Replace Adjust (para. 44) TROUBLE PROBABLE CAUSE REMEDY a. Projector runs, valve 8 do not light b. Valves light, exciter does not light Loose connection Valve burnt out Exciter lamp cable disconnected Wrong exciter lamp used Damaged oscillator valve Projector switch open or leads disconnected 9 Repair Replace Connect cable Replace with correct lamp Replace Replace switch or connect leads
FAULT FINDING GUIDE (Cont'd) TROUBLE PROBABLE CAUSE REMEDY c. Valves and exciter light, but no sound Speaker jack disconnected Speaker jack switch open Photo-diode cable disconnected Photo-diode cable leads reversed Damaged valves Photo-diode out of line Dirt on end of light pipe Wrong exciter lamp used d. Low volume Damaged valves e. Distortion at all volume levels Wrong exciter lamp used Photo-diode out of line Dirt on light pipe or slit Slit misaligned Buzz track misaligned Wrong exciter lamp used Output valves damaged f. Crackling noises Damaged valves Sound drum earthing spring loose, bent or lost Buzz track out of line g. Wow or flutter Guide roller sticking Guide roller spring broken, unhooked or lost Film edge guide (sound head) out of line Loose flywheel Damaged sound drum bearing Soundhead assembly wrongly positioned Dirt causing guide roller arm pivot bearing to bind 10 Connect leads Repair or replace jack Connect cable Connect to proper terminals Replace Realign (para. 49b) Clean Replace with correct lamp Replace Replace with correct lamp Realign (para. 49b) Clean Realign (para. 49d) Realign (para. 49e) Replace with correct lamp Replace Replace Repair or replace Realign (para. 49e) Clean Repair or replace Realign (para. 49e) Tighten Replace Realign Clean and polish
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 and 12: FAULT FINDING GUIDE 3. MISCELLANEOU
Page 13: 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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