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Summary of Contents for 785

Page 1: ...speeds are 3 3 4 ips and 7 L 2 tps Using a 1200 ft reel of tape on four tracks the playing or recording time at 3 3 4 ips is four hours at 7 L 2 ips is two hburs Connect the recorder to the power source specified for the model being used Supplied By Bell Howell Co 7125 North Kimball Avenue Chicago 45 lllinois HOWARD W SAIUIS The lieting of any available replacement part herein does not constitute ...

Page 2: ...ord into the Radio Phono input jack Turn the Olf Volume control on FUNCTION OF CONTROLS tape at a rapid speed Depressing the forward button will advance the tape at a rapid speed StoP Depressing this button will stop the transport mechanism when in any mode of operation This but ton must be depressed when going from one mode to another Record To record depress the record button and while holding i...

Page 3: ... and the empty reel on the right spindle 3 Place the channel selector in the 3 2 position 4 After track 2 has been played or recorded turn the full reel over and place on the left spindte and the empty reel on the right spindle Play or record channel 3 5 Place the channel seleetor in the l 4 position 6 Again place thefull reel of tape onthe left spin dleand theempty reelon the right spindle play o...

Page 4: ...agramscale with aminimum readingof 60 grams to the string Page 4 recorded or relocating previously logged material The indicator should be set at 000 at start of the tape then any desired point on the tape can be logged or relocated Public Address To use there ggrder asa publicaddress system plug a microphone into the microphone input jack and turnthe poweron Remove alltape from therecorder Set th...

Page 5: ...33 for up and down position by Tape Reel Spindles loosening the nuts in the side and i aing the head 33 up or down so the top of the pole piece The supply and take up spindles should be ad is in line with the top of the tape iusted so the tape does not scrape on the edge of the reels If they are worn remove the spindles from flange shaft and add shim washers until the reels are aligned CLEAN ING L...

Page 6: ... esnze0ll AMPLIFITR SPEAKER RADIO PHONO MICRoPHONE Oi A e RECORD PAUSE a v l PLAY NEWINO FORWARD sIOP cMNNrL sELEooR 11 9iP N RMAL A ut A PHOTOFACT EXPLODED VIEW Howrrd W Srns Co lnc 196 FIG 3A EXPLODED V IEW OF PARTS ABOVE PLATE ASSEMBLY Page 6 ...

Page 7: ...i t t v c tll9 A PHOTOFACT EXPLODED VIE How d W S m a Co tic r t F IG 3 B EXPLODED V I EW OF PARTS BELOW PLATE AS SEM BLY Page 7 Page 9 ...

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Page 9: ...STEREO PREAMP ECC83 AMP CHASS IS TOP V IEW t 2 7 1 7 t A Howard w somr lS rr oro PRINTED BOARD ARROWS INDICATING TUSE I OCA TIONS ARE POINTING TO PIN I UNIESS OIHERWISE INDICATED Page l0 ...

Page 10: ... ul o o F I a E o 6 6 ul z E o h l fi lFr i i t e e X F F s r q s t 4 F 2 N s e qit 1 ir qf w r s t E U f t4 o E lt F F Er F I o t 3F r F sB o EH Xr r lfl o oti ul oo gr 6 o Ef rfl n Page I I ...

Page 11: ...v u F o z F o F z Fo cz o EF E bs d 8z Cg oit 6 q o rZ d d d OL i a g e Elp 4 o o m o o o 5 D ut tn o D o ul bz J F o F z q t u l c U e 6 t r O r N o i n q F OO O N NNdNNNmOOOOOO60A g o d N KsfHHHHgxHErHrsHHrEx i r oo 9 I E E9 99RF S R i fr e c4trtr d d tr tr tr fi tl d tr tr d tr d at U F o z z o F I F ln z tr 3E ooa qk ee ooot Atirt Bt 5 JO 47 tF o4 b F d oz Op ed da co d 4z dL Fiy z qd U E E oo...

Page 12: ... 2 Clean with cloth moistened with alcohol 3 Reposition clutch pulley 71 and tighten F llt F F tr l o s 9F r F 5 o EH Xr i gll v oai t 9 F ra qi lrt rr Counter does not operate Counter defective Counter belt 65 off or broken l 2 I 2 Replace Replace Supply reel does not rotate in rewind position OII on rewind idler wheel 43 or rewind drive wheel 44 Rewind idler spring f0 off or broken Clean with cl...

Page 13: ...553 6l 62 63 64 65 66 67 68 69 70 7r 72 73 74 75 76 77 78 9 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 9 98 99 100 l0l 102 r03 t04 r05 r06 107 108 r09 lt0 111 Il2 113 I14 ll5 u6 ll 1r8 ll9 120 121 r22 0r3 67 800 28 800461 700797 800544 076196 800459 800458 800460 800655 800542 700424 07623r 800568 700734 700230 800462 700420 70671 70670 700348 70671 701587 800548 076260 076192 700896 0 620...

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