
| This drawing, written description or specification Is | 
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 | Telex Communications INC. | PART NO: | 
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| a proprietary product of TELEX, Lincoln, NE, and | 
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 | 879583 | 
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| shall not be released, disclosed, nor duplicated | 
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| without the written permission of TELEX. | 
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 | Lincoln, Nebraska USA | 
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| APPROVALS: | 
 | DR BY: SBC | 
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 | CHKD BY: | APPD BY: | 
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 | PROD: | REV LEVEL: | 
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 | DATE: 03/04/2002 | 
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| TITLE: | 
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 | PCB ASSY,  | 
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| ITEM | NEW | QTY | 
 | TYPE | 
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 | DESCRIPTION | 
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 | PART NO. | DESIGNATOR | 
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 | R70 R72 R75 R77 R79 R80 R82 R84 R86 R88 R90 | ||||||
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 | R93 R94 R96 R98 R100 R102 R104 R54 R63 R65 | ||||||
| 64 | 
 | 24 | RES | 1K 0805 | 
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 | 102515200 | R184 R145 R146 | 
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| 65 | 
 | 2 | TRANSFORMER | 42TM016 600:600 | 
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 | 3180259 | T1 T4 | 
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| 66 | 
 | 2 | TRANSFORMER | 42TL218 10K:10K | 
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 | 7302832 | T2 T3 | 
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| 67 | 
 | 6 | TP | TEST POINT | 
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 | 2017001400 | TP1 TP8 TP10 TP11 TP12 TP13 | 
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| 68 | 
 | 1 | IC | DSP2189M | 
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 | 760252 | U1 | 
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| 69 | 
 | 3 | IC | TL084 SO16 | 
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 | 4300047 | U11 U17 U36 | 
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| 70 | 
 | 2 | IC | CS5330A | 
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 | 760264 | U12 U13 | 
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| 71 | 
 | 5 | IC | NE5532AD8 | 
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 | 760268 | U14 U32 U37 U38 U39 | 
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| 72 | 
 | 3 | IC | 74LCX541 | 
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 | 760256 | U16 U26 U31 | 
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| 73 | 
 | 1 | IC | 16C550 | 
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 | 760262 | U18 | 
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| 74 | 
 | 1 | FERRITE | COMMON MODE | 
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 | 724039 | U19 | 
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| 75 | 
 | 1 | CRYSTAL | 32.768MHZ | 
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 | 780186 | U2 | 
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| 76 | 
 | 1 | IC | MAX3232 | 
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 | 760349 | U20 | 
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| 77 | 
 | 7 | IC | 74LCX574 | 
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 | 760257 | U21 U22 U23 U27 U28 U29 U30 | 
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| 78 | 
 | 1 | IC | TPA0211 | 
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 | 760307 | U24 | 
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| 79 | 
 | 1 | IC | DS1302 SO8 | 
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 | 760266 | U25 | 
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| 80 | 
 | 1 | IC | AT24C16 | 
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 | 511336000 | U3 | 
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| 81 | 
 | 2 | IC | CD4053B | 
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 | 53266123 | U34 U35 | 
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| 82 | 
 | 1 | SOCKET PLCC | 32 PLCC | 
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 | 539030032 | U4 SOCKET | 
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| 83 | X | 1 | IC | 7032 PLD  | 
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 | 7602679PS | U5 | 
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| 84 | 
 | 1 | SOCKET PLCC | 44 PIN PLCC | 
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 | 539030044 | U5 SOCKET | 
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| 85 | 
 | 1 | IC | UA7805CKTE | 
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 | 760260 | U6 | 
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| 86 | 
 | 1 | IC | UA7810CKTE | 
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 | 760275 | U7 | 
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| 87 | 
 | 1 | IC | TPS70158 | 
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 | 760306 | U8 | 
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| 88 | 
 | 2 | IC | CS4335 | 
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 | 760263 | U9 U10 | 
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| 89 | 
 | 1 | XTAL32768K | 
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 | 780181 | Y1 | 
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| 90 | X | 1 | PCB | PRINTED CIRCUIT BOARD | 
 | 750605 | 
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| 91 | 
 | A/R | PASTE | SOLDERPASTE | 
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 | BE738 | 
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| 92 | 
 | 0 | REFERENCE | SCHEMATIC | 
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| 93 | 
 | 12 | JUMPER CAP | JUMPER CAP | 
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 | 2515001001 | FOR J10 J25 J26 J4 J15 J16 J17 J18 J19 J22 J23 J2 | 
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 | R222 R223 R224 R225 R226 R227 R228 R229 | ||||||
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 | R230 R231 R232 R233 R234 R235 R236 R237 | ||||||
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 | R238 R239 R240 R241 R242 R243 R244 R245 | ||||||
| 94 | X | 30 | RES | 47 OHMS 0402 | 
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 | 102514470 | R246 R247 R248 R249 R250 R251 | 
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| LN,BE | Page 4 of 5 | 
