Tft 923 Am Modulation Monitor
User Manual: tft 923 am modulation monitor
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REVISIONS DESCRIPTION REV r- 000000 i2 0000000000 LIIJ A DR DATE RELEASE M PROD K. K. 4-27-93 UPDATE CADLE ROUTING K. K. 7-13-93 APPD iyi- J14r 11111 41IP 11111111111 J13 0 PART OF ITEM 2 J12 Ibt J11 J9 4_ J20 00 J10 (2)(4) FIG. 6-1 - MODULATION/LEFT + +MODULATION/TEST/RIGHT :4 PEAK MODULATION l' N. .101X LDV SET IIDDI El) : -- x PRESELECTOR FREQUENCY GD 0 (--) YFT. 0 11 10 3 17 9 3 4 2 REF 7 e. 4 ___,„. ,/- 3 2 r--- MODULATION METER n LEFT CAL STUMM 0.3X -40LX -303% -1.0 MX AO30X LODX RIGHT METER INPUT KM -SO w HEM OD 0 __-,0 OPT OPT 6 5 ®000000000 e 17 16 15 14 13 12 Llva el r FUNCTION i 1 INPUT 7 ...r. 7 'If tmiT 20 19 18 MODEL 913 AM MONITOR (10"---- 4750-0912 4750-0914 4750-0915 4750-0918 4750-0919 4750-0913 MAIN BD J10 TO RIGHT METER MAIN BD J13 TO RIGHT MTR LIGHTS MAIN BD J17 TO HNC'S (RP) PRESELECTOR BD J4 TO OVERLOAD LED MAIN BD J14 TO PRESELECTOR BD J2 MAIN BD J12 TI LEFT METER LIGHTS 2140-0005 TY-WRAP 2140-0006 2106-0002 MOUNTING TAB, NYLON 6-32 x 1/4 LG PH SCREW 6-32 x 1/2 LG OVAL HD SCR BLK 10-32 x 5/8 LG PH SCREW 3 1/2 MTR CTR HANDLE POWER XMFR ASSY MAIN BD J9 TO LEFT METER MAIN PCB ASSY PRESELECTOR PCB ASSY 2106-0016 2110-0011 2160-0012 5102-3882 4750-0911 6608-3946 OPT 6608-3945 5102-3881 5102-3880 1 (ITEM 42tiTY PART NO. CHASSIS ASSY FRONT PANEL ASSY DESCRIPTION (3) 3010 DAIOGAI VILLAGE SANTA CLAN, CA. 00 C4411137/7 -7070 MU 1041-1011-0004 —711NIKkir K. K. 923 3116-09E3 01016..1<,, MODEL NEXT ASSY «Tv IA APPLICATION 4/27/93 5".4 !D TI ICIAS 1114 I AM MONITOR MODEL ASSY Twit /411!)TOP 'III /917 1 sow I II REVISIONS REV A DESCRIPTION DR DATE APPD I-25-93 RELEASE TO PROD (1) -MODULATION/LEFT 1 7 N i+MODULATMNITEST/RIGHT 2 PEAK MODULATION + \ / NOI ----------- (131 :x el --------, ----..........,„ ee e N CD PRESELECTOR FREQUENCY \ / CD ED LEFT NEM e.) ® r FUNCTION-1 37131131 CM. INPLft 1011 ., r-- MODULATION METER —1 IS 3X SOX 30X 10031 -40 -30 -IS -le Si LX -010 C) PPM uvn e tuT ED IMF NE N a) c'TFT. 0 FIG. 6-2 CD e e 0 .0 0 0 0 0 0 0 0 c*em es MODEL 923 AM MONITOR 0 m-"vog 237D- 0/7 f4 2 ///-0003 7 6 3 2ITEM GINTY 923 5102-302I IKIDEL NEXT ASSY APPLICATION x- ae,-7 2 TO /...v",7 - Le"eerL .9750 - /0 if 730- Of/6 .5-, 0 2- 3 f8213 /f-I rNGO 7/1 To /,/,‘,6,7" c'eri/t-L CE2S _r_r 2 ...420.0 ....."'e/s",4/44.4,/erjor-z. 09/7 /400 - 7 o ""e 7#,.2 /leo - 1 2 03 2 a0r, - /a 5 0 ••,E7er,e f~O n, 7_ "704:74/Z-477/e.44/.7?"'-g-/12' ,e-V-4/77ro ."/„..." PART NO. SPECIFICATX301 UM= OIMERVISE SPECIFIED DECIAL. 2 PLACE 3 PLACE AMQ.ILAR. ...977e"// DVSCRIPTION APPINAILI 10000 MW 8 up— U — 641013707-73711 <7#1 3031 01,40tAll ,21.11.01 . nMA c wiw TVX 100-3310-000i mem 77./..- V M' AM MONITOR FRONT PANEL ASSY /.1 =AM .224 5102-3 813: ,m , 13 REVISIONS 0O REV A DESCRIPTION DR DATE APPD IL K. 4-R7-93 RELEASE TO PROD /1 r @ @ FIG. 6-3 ,t3 7 r v—T---v ®1 I Thn t kt_u v-------v 11 n LI _L L_ n L1 _J 1_ 11 v----ii,r--e ,1 / /9oa- o6,5" a /7A9---22,,, .,. 4., se 6:-.V.0 ,,7z. .4 5 B t ,.." a .-',Nic ..764--Ae.6.- x-ci,..-„e „Is r y / 542z-3992./C 3/-/0 S 2.- 2 2_,.,"- ..,•••%f) e'..1.4-1-4/6q1e.0 .-e--...,- eff., ¢ / /9/0-0006 Curt-carte /-7,e7e----1_ z 2,,,,- coo 0 3 6- 32 ..re-.... ,../c...,6-32.- - 72 , e 4" ...'",,/ Sc...z,6-",..., 2 2 2,a6- 600 5 / 6-- N-1.S_r,,,s/ 2 oo/ - 3 / / 9 ITEM ONTY PART NO. DESCRIPTION .•_ i WWI SWIM VILLMI MITA CUM 110. 111*-11,11-1•14 IlLs4awri1-711 K. AM MIMI TrIR CHASSIS ASSY _ nI0ii ;MIMI "r7, 51110-30•0 NEXT ASO APPLICATION iii lieu Ati~ lbw ir my REVISIONS ZONE DATE DESCRIPTION REV. 4/30/93 RELEASE TO PRODUCTION A +5V 0 + b2V LED DRIVER OVER LOAD fe INDICATOR CARRIER LEVEL DETECTOR LOAD -212.48 DETECTOR RP FP 1 et MIXER RF /N PUT TO 1.999 MHz 2 LO 41. 0 5.051 6. 551MHz 4.096MHz 2nd LO CONT VOL 45 5 kHz 2nd IF SET DRIVER 1 Vrms 455 kHz IF OUTPUT 2nd MIXER 4.5511414z 1 at IF HI LED LOW F. P. +5V 0 +DEMO AUDIO 0-- PAW PEAK COMPIRATOR ll -DEMO Al DI 0 AOC DETECTOR AND AMP 0 (0 .--- N COUNTER +1255 PEAK MOO LED DRIVER 3 KIDD PEAK 1 RIVER FLASHER IC) F. P PUSH-WHEEL. SWITCHES F. P. .500 TO 1.999 MHz 4 PUSH-WHEEL SWITCH (FOR PULSE WIDTH DURATION) CARRIER POWER ALARM LOSS OF 110OULATION 4oR CARRIER ALARM A/4 P0 R 6192 8.192 MHz OSC LOSS OF MODULATION ALARM -4- 2 +12V +5V -12V I I I + PEAK MOO PEAK MOD LED DRIVER SERIAL TO PARALLEL & D/A / 9 PUSH-WHEEL SWITCH F. P. (FOR 5 PEAK MODULATION) OPTION t PRESELECTOR BOARD 6606-3945 3 UNREGULATED DC INPUT FROM MAIN BOARD DC AMP AND LPF 2Vdc FOR 1 Vrms RF IN 750* DE -EMPH UNBALANCED 0 AUDIO OUTPUT 14Vp-p (5 Vrms) 5 Kn LOAD F. P . LEVEL ADJ RF INPUT HIGH LEVEL AM DETECTOR UNEAR PHASE LOW PASS FILTER -0 AUDIO ATTENUATOR (VOL CONT) 1 Vdc 1 Vnroz TO 51,/rws .5 TO 40 MHz FROM REAR PANEL Vp-p LEVEL COMPARATOR AND AGC AMP CAL SINGAL GEN Vas .500 Vdc AC INPUT 0 I 1 5/23ov 50 OR 60 Hz 0 UNBAL TO BAL. o -12V /3 _ AUDIO 0 OUTPUT 2.2Vp-p (.775 Vrzne) 0 soon LOAD 0.5Vdc vp-p SIu 0 IN RIGHT CH 0 FROM R. P. 1 vp-, o +5V o +12v POWER SUPPLY -0 BALANCE + DEMO AUDIO TO P1400 PEAK COMPARATOR METER AMP AND DETECTOR 4.- TO REMOTE METER + MOO/TEST/RIGHT F. P. METER ATTEN/AMP - DEMO AUDIO TO P1400 PEAK COMPARATOR METER AMP AND DETECTOR INVERTING AMP STEREO IN LEFT CH FROM R. P. TO REMOTE METER - MOD/LEFT UNREGULAT E D DC TO PRESELECTOR BD FIG. 6-4 IZZ7rp1=1 APPEOILE MEN JUDY UU Licly 4(30/93 MODEL -eft" NO ASSY APPLICATION LIR `0 SUL /ICU NO. C 9,(-77 C AM MONITOR SYSTEM BLOCK DIAGRAM 00//f NOW 923 OIH 3090 OAK MEAD ViklAa DR. SANTA CLARA, CA. 95051 (406)727-7272 TWX 910-338-0584 SCAN NOW DM NO. 6600-2764 1 OF 1 so .1 eq I r a; Is r r .3 s i~ i l , I' ia IF-11" 104.3 tot-6 2 111 4 a0 rL _f ail :g e .11 ag 62 7 6 al 4 7.• 12 Nig V3 4 - I -21-Vil .-T 8 1 r 1_ -2 .411 q8 a A ,11 g 04 41* 4-11-PH Ir 1 1i ;NI ;g ai41 Nail 2 41 4- ©nom P a f 4 I at, i t ilg T9 °i 5 a8 aF it agg NI, 4 4 --•••• 4 11_ u q -a 4 I I 0 (0 z O O O REVISIONS DE3CRWT10.4 ZONE REV. 4/30/93 RELEASE TO PRODUCTION A APPROVED DATE J19 0125 [ 2.28 INDICATOR 01 34 • 2K ADJ 1177 V[ P10722A • U43311 t• 81/PIN LEM. INDICATOR T 0131 404 • I 999 'LOW' 441 RI 40 2K 4 • tPox S r i~ 1 113, Lx la917 N.30114 AAA W NMI INDICATOR ADJ RI SS 014 PI0222A 74L100 1123 2.24 1112 tie ROME NAIL 01 PI42222A 111138 1143 2.2K tal 9441 8141 3.21 +J4 Rl u 10 MH M r 114111K •474 CPRPI > • 1113311 • • 043 X 1$ j • 11 4, R171 ,7.1K CMS 14' I 11;114 Ur34.3 HMI°. 3.1K in OAP& 74NOIIIII MIS • t.-ar 1113 5.4IK 1. 4111[ OW/ CM T5-•*► 1 n 1 1154 2.2K U4128 0 1741 GO X 741 X MODPEAK oy • • , I 4" lea .44 • 10 Alt qr 10 011 10011 MOD j1_47 ,,, AT 1.01- I I 502 II 19 S.K .111111 > ANS -410111 KOS 0144 1 11•47 RI ,10 _ or, Rir 10111 EAK t R141 2.2K 0.1 TO 1.SKIM tt 043 1.191 RAW I It /111800 Z1 1 CR PEAK MODULADON (5:7MAIX 1 ) ,82 peo HUMORED X I $1 I 4126% CH 1 I • J20 MOOR PANEL MOLAR 44011 1158 o1/ 14422111.4 sic PEAK 1100 IND.C.ATORS R15111 +0V0-4-( 41-4 PI42222A R110 MCIJIN PR SO 0123 10 SS +58 1 KC FOR SD X 100 01*DUPMTIMODON TARE 1 }I7-I 11118-1 MIS-11 2 MX KIM 100 X 1017 NOT MOLT ORM OPOI 0.01 ORR N/A S. led ON OPEN CM Oral 1 0.11•01 Mel ON OPS1 OPEN 1.0•11 OPEN ON OPEN om ID 1.504 ORM 011 01 ON II Owl 1. 025 111 C/O VADC KIR MO X MOS I +IN 11112-4 MCI 371 As vcc 91. ! 13 Al 0.16 A. MCI Al COKrr AR CND 5 A3 -Tam- A2 At va REMIK 0154 1251 LID 1K/10T • 10 JI1-1 ROME 44•00 lID Sir • 0 Yaw/ ADJ 0117 1133 e,„ 2.11 MX KM 12311 brO -1 IV F1413NT PANEL ;51( 10 J8-2 -MOD LED ( *err 1 ) MACRE 1O /0 411-3 CO4 T4-1) 3 FIG. 6-5 099.19919 g Das /=/ CI DRUM JUDY L.111 osiom 923 6608-3946 DIM 4 30/93 ; APPt_ICAT1ON SIZE Mai No. C V‘7f_s OAKMEAD VILLAGE DR. SANTA CLARA. C.A. 95051 C (408)727-7272 1WX 910-338-0564 SCHEMATIC AM MONITOR MAIN BOARD (J30/, 3 NEXT ASSY LN 3090 WAX NONE i Dwo 6601-3946 *MT 2 OF rev, A >* i oa %et 1 oD I 2 A Ia C.7n -1 R142 _L_L 2, 1,3 0 civ I c89 I C 0 2, CD .4 CO 4. c- 0 2, "; c 40 C> I- r-1 hr C 4, 0 -IR164 0 0 F H 8165 F < O 0 to •-r 0) R45 Vl 4. (-) F F m F 0 -{ R68 I-I R67 F _L =t , Act t..tt "T" R64 I- -I R55 -{ R26 F -{ 853 F H R54 I- 0< -1 R50 1- ; -I R51 F ``) rn < C31 ICI I I C25 I R40 F -4 R41 IH R42 F 839 I- -i R25 t> NLJ §§ nP T -I 872 j O C +1 -I R71 F © C54 -f C19 I- -1 R36 F -I 884 0 _L 4. C30 C29 8 „q, -r I) —I— T2 8 L -L -I R101 F 0 ) N _L J_ _L ao a, PP co co co 61- 0 -r 8103 -I R44 F 8117 I- F -I R85 1- m -r if3 2, 1 -L tin -r OI 2, 1_ 2, R32 1- C15 IR35 R30 1 IA • s, ro R 1 35 F {8133 )c° R130 I- _.r.. -1 0) r C4 I i0 0 F -{ R137 [2) tc1..30 07 -I R15 (-) 10 "T" F -4 R11 F I- V, -IR12 F co -I R17 F 814 R13 IC5I C 01 (--) 132e0 - { R5 F -f R6 1- C2 C1 R3 -I R2 F I C3 I H, R21 F -r I C17 C co Ici I Gs] G9] (oJ 0 L I IMO INN MIN MN NM INN II= 1E111 Ell 0 o -{ R90 I- I 050 I R93 -1 R174 I- 8130 R83 [Lri {R121 F cf, R163 F H R162 F C C- -I 8166 F '7" F H R106 I- R82 _L O -r -r 2, -r C 4. 479 IR$1 F H R87 I- -I R86 I- 0 (33 C85 I <0 8170 -4 R168 8167 -r CM C to co I oe R88 c) Cb 8 E 1 - -L. 1 2, 0 O -r L -L rs) o I Z 81 71 2, att -r F R1a}R 46I- -fRio7 I C90 I C A CO 4. * Ca! of -1- 0) 2, —4 8143}- R172 I- 8151 e C 7' -I R152 Iv, R147 I-r H -r J_ \ Ell Eli III 1 2 LJ I'LI. 4 1 NEXT ASSY 5 REVISIONS USED ON Sei- SYM DESCRIPTION DR CHK AUTH DATE 2.1171,, CUSTOMER BUILT ANTENNA SL)C.-qESTE PER DRAMN C AT RIG I-1T 1/2' THREADED UNION OR ''U' CLAMP 5' E3." -4 22 AW G 50_11_ COAX CABLE 2 I/2 TURN5 CUSTOMER BUILT 1/ 2 TURN TO 50.n. LOAD TUNE C. SO T 4-k AT ANTENNA RESONATE: AT DESIRED FREQ. I C.0 00 K4-1z_ pF 4-0 Cx CoOn p tsOU NT I N SURFACE FtG.A2-I ITEM NO. QTY PER ASSY MODEL 764/ 765 REAR PANEL PART NO. REMOVE ALL BURRS AND SHARP EDGES TOLERANCES UNLESS OTHERWISE SPECIFIED .XX ± ANGULAR DRAWN BY CHK. BY UST OF MATERIALS DATE Li4-16 / Y177 PROJ. Elgy GlAJ MFG. ENG. 1 /.417 E TETTTECHNOLO PtElRT GY Y 3000 Olcott St., Santa Clara, California 95050 (408) 246-6365 TITLE SUGGESTED ANTENNA SET-UP 754/ 75 5 .xxx± SIZE DO NOT SCALE THIS PRINT REF. DES. DESCRIPTION DRAWING NO. B Gcooc>-0.c)07 KO NO. SCALE N/A 1 SHT. I OF REV. C C REVISIONS ZONE REV. DESCRIPTION A 104 C*I 4100 - I . Al 11 10 - 12 Cb.10 2 MHZ LOWPASS FILTER 1 J1 0.0.(P311REI10t•N1.12ELEC111t 050 1044) 20 04103 ANT !PUT C1 -C3330RF 101001 C4 0327000 ic720.- 14/1 1~ I 1 14614•5 0 • id, 1,7 I C111 0.' 4.1 7;7 C11 I MO C12 R14 I C37 R111.03 310 ,-.01 3. 0 11 0410_, , 019 022 1101130.9 13 KOK . OL10J I 10 eta( TO.1 _ci. 200 C1. - .047 roor 14. .C2101 4.551 MHZ IF 541 FOR GnEE, 47▪0 0.1 M 01 177 .01 511.-1 34 z, '1511171 r .103 ;4.7K 401122 4 30•13L2K 02.. 0427 174 ras ‘3.10 ••••• •••••00 !PA R710 MON 101 ••• 210 0 541 we. Am owl MO 51 2.2 130521 C24 1K104 • 4004055 2.4 V 2ND MIXER • " \O1.XEN55 7P1 41Z. Tro ( w ort) AT 4• 11-- 4V MVO= 01M1010 IC17 0.1 -OW L12 -1W 4.000140 412. /VI cv • 01X1 172 Krim IV/1 , FOR FOR 1..01555141 1.RI55 KIN 04 3.ROO551 1004 onto= I.11. Fill 014 0.11/204/4 • M.1K ÷-1 34, 100pI No -6- ma •••• 1432.754 2205114 so•Imo 047. 10 ▪.22 3110 •POICIRLIZTOR 13W NEAR 1, IN.. a 00 410 po440.) (33 2101411 00 010 SUMS 4:22) 54000455 10 (7 1.1"Ce 44 •1 ••••/• 1101 MIS -1 _ Cu * as 000 ♦ 01 71e14 C33 • 1111111164 -1W I-22 I1' 1111•314 i 210E 1.00134 CD Az 4.013010CE 7 150 I -120 R43' ,1? • 101 `17 11114.00 0141t 10K V as it 4/28/93 RELEASE TO PRODUCTION • RI03 ( 12 -00LIVIEL 1.4MERLON) 01CATOR3 1710341 PAM& WW1 R.P.) / CR2REMI .10 -4417 J .80 ROO 01234422214 ' 470 1100114 APPROVED DATE ••••• r/o "322K R74 :1111 Ter. Wola no cAl7 01 ; •▪ , - • T. r 1-, .• - _ )/3 1. 5!31131011104.541.11315 IMEME 5104OKA 403 2.ALL All C171531OR ARE M MI141010FAIV6L CIRC4413111CL 140115 I MUCK 01110155150 lr scoria'. 1. ALL INOLICION 4541.11 = • DC VOLTAM C=3. IC KILDA( ta71. '11 IA 4 / (UiVIKOULAIRD .r.oc • 1 OMB (u•KRAKE* MS 1. 712 27114 /ALMS • 741.31 1 1 • \ 011•11•4••1 'CD 74LS1• FIG. A6-1 47 ARVIICANLI DRAM 923 6608 -3945 1.400a NEXT ASSY AP PUC.AT1ON JUDY UU Z7 4/28/93 -• etJ,41 C 5/4 /93 3090 OAK IA EAD VILLAGE DR. CLARA, CA. U 1=7 JOI NC (4.0:727-7272 TWX 9910-1338-05M SCHEMATIC 0.5-2.0MHz PRESELECTOR BD SIZE 4 1C:=7 FROM 140. SCALE NONE MCI. NO. 6601-3945 SHEET 1 OF 1 REV. REVISIONS OESCRIPIION 8 1 7 U12 14 C27 8 U13 >U7 -I pan C57 -1 La I- 6 r 4 CI234 1MHz C87 • 8 7 -IR73 F F RN2 7 8 W3 C1248 100kHz -I R74 I- -1 R771TP20 PHASE CI VOLT - U6 < 0 0) 5 TP3 0 0I cis I L3 U10 14 W2 co ov C42 R 3 1I P5 co -I R24 F p)14 TP6 >1J5 LT 1 20 r-C37 1 C62 I 8 0 L6 as -11175 F +12V C1248 I kHz C78 I C.3 I j_. IC471 3 8 H R40 IH-R191- -12V -1 R45 F C131:n 10 R96 J2 11 14 I C46 -FIR- Ls_z_lid CR1 -1_ R85 1...., U1 -1 R86 F LOW 0 —r— U4 0 1 TP8 HI SW1 -ED3- CR5 —r —L257_1— (31 r 01" -1_ R81 F -1 R87 IC85 xc 10 +1A C31 I 4 FL1 C33 0 L4 CC 8 5 0, cc 1 R82 F R80 I- A R50 j1 1 0 L5 f C39 I C30 2 —1_11811_1- f R83 F (6Thi C34 [d 14 Cl 2 4 8 10kHz RN1 cv 0 OS -1-17371- 1 10 WI 0 8 7 15 J1 0 -FRM- U -run- ANT INPUT C6 C.) I C21 EECI U 1 7-1 APPICIVID TP4 C22 0 14 Z1 TP 1 0 L2 1 CAVE 4/281113 RELEADE TO PROOUCDON A 1 -{811J-1=1 - R48 I16 CR7 CR8 6- OVER LOAD 0 L,;1 0.5 - 2.0MHz PRESELECTOR 80 1600-3945 REV.A 6608-3945 REV. MADE IN U. S.A. C54 PRESELECTOR OUTPUT 14 • SILXSCREEN 3 OF 4 FIG. A6-2 =Ft= JUDY UU 4 25/23 mom 7374 y / 923 MCCC. 7100 -4250 NEXT ASV APPIICMION a 4/4 /73 4. 7 3020 0.61011EAD 'AIME OR. SANTA CIMO. CA. 25051 ANC (408027-7272 TO 210-331-0524 PCB ASSY 0.5-2.0MHz PRESELECTOR BD OWL IMCIE n". "'„4"2_Aal 9 icAll . 2:1 6608-3945 ,-T 101 1
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