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Summary of Contents for 4691

Page 1: ...r light indicates the unitls on Tape speeds are 3 3 4 andT L 2 ips Using both tape tracks recording time is as follows ReeI Size 3 3 Speed 7 L 2 Speed 5 600 ft I hour L 2 hour 1200 ft 2 hours I hour Connect this recorder to an outlet supplying 110 120 volts 60 cycles AC only Supplied by Sears Roebuck and Company 925 South Homan Ave Chicago 7 I llinois 3 O r Eg tF TOWER MODEr 4691 Ilris moteriol co...

Page 2: ...Drive control turned to right Record Edit control is locked in downpo sition and recorder will record Page 2 Fast Forward Rewi nd Control With TapeDrive control in IdIe position turning Forward Rewind control to right clockwise rapidly winds tape on take up reel Moving to left counter clockwise rapidly re riinds tape on feed reel Tone Monitor Control and Motor Switch WhenAmplifierison themotor is ...

Page 3: ...iver may be made by one of three methods 1 Place microphone about 6 to 12 in front of receiver speaker Turn receiver volume control to a normal level and tone control to maximum treble Set recording level and pro ceed with recording as described under To Record from Microphone 2 Use speaker cable made with a two conductor phone plug on one end and two alligator clips on the other end Connect allig...

Page 4: ...ing Recorded Material Any recording is automatically erased before a ne iloneisputonthe tape To erase a recording with out putting anything on tape follow normal recording procedure but leave Loudnesg control set at its ex treme counterclockwise position Page 4 To Use as a Public Address System 1 Insert microphone plug into Radio jack 2 Leave Tape drive control on ldle 3 Speak into microphone and ...

Page 5: ...e ad justed While playing back the 3 000 cyc1e notetape moveheadbackand Iorth on mount inguntil maximum deflection on output meter is achieved If a 3 000 cyc1e note tape is not available uEe a recording ydth a high note content ard adiust as described in the ioregoing Erase Head Adjustment Era se head 29 and head mounting bracket a 6 sembly 25 have been prealigned at thqtactory and no adjustments ...

Page 6: ... g FIG 3A EXPLODED VIEW OF PARTS ABOVE BASEPLATE Page 6 ...

Page 7: ... A PHOTOFACT EXPLODED VIEW Howerd V Scms Co lnc 1958 FIG 38 EXPLODED VIEW OF PARTS BELOW BASEPLATE 3 O Eg gfr I T1 o t E 7 rrt n Page 7 ...

Page 8: ...ch feed reel drag Flat spot on pressure roller 33 causing a rapidthumping sound vhile unit is running 1 Clean Yrith a petroleum solvent rDt carbon tetr achlorj de Ifpress sure roller 33 is oi1 soaled re p1ace 2 Check adjustments a s described under Tale up Tension Adjust ment 3 Replace pressure roller 33 CAL 1 2 4 5 6 7 8 I t0 11 t2 13 t4 2L 264 O 22 110 0 84 343 52 1051 0 52 1050 0 5 606611 9 600...

Page 9: ...al Indicator Retainer Foot Switch Adjustment Cam Motion Shaft Left Retainer Take up ReeI Arm Ass y Spring Wa sher 79 80 81 82 83 84 85 86 8 88 89 90 91 92 93 94 95 96 9 98 99 100 101 102 103 104 r05 106 l0 108 109 110 111 ILz 113 114 1r5 116 117 118 119 120 121 L22 t23 39 9 3 70 252 0 84 3446 0 324 0 86 288 70 325 0 70 250 0 22 r3 4 2 135 97 5 3 22 45 L 0 265 0 84 3465 70 259 0 22 14 4 86 284 86 2...

Page 10: ... Jr O l l o o I LT L A VI J CJ o Page l0 ...

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