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Le Labo Audio Du Vallespir Le Labo Audio Du Vallespir, Rйparation

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0) rrloNfeen!- E a a a M O D E LC T - 7 RC O M E SI N S E V E NV E R S I O N S D I S T I N G U I S H EADS DER NO. T-667-O FOLLOWS: 22OV and 24OV (Switchabtel 2NV and 2ztOV(Swirchabte) 12OV,22OV and 2zlOV (Switchabtel 12OV,2nV and 24OV (Switchabtel U.S. military model o This servicemanual is applicable to the KU Çpe. For servicingof the oûrer types, please additional servicemanual. r For the circuit & mechanismdescription, pleaserefer to the supplementof cT-7R (ARP-æ1-0). o ce manuer d'instruction serefèreaumodederégrage, enfançais. o Estemanualdeservicio tratadermétodoaeaiuËeËilriil;n espaiïor. CONTENTS 1. SPECIFICATIONS 2 . F R O N T P A N E LF A C I L I T I E S 3. DISASSEMBLY 4. PARTS LOCATION 2 ....... 3 9. PACKING 5 1 0 . E L E C T R I C A LP A R T SL I S T . . . 1 1 . M E C H A NI C A L A D J U S T ME N T S. 7 1 2 . E L E C T R I C A LA D J U S T M E N T S. 5 . E X P L O D E DV I E W SA N D P A R T SL I S T . .. .. . 9 6. BLOCK DTAGRAM t6 7 . p . c . B o A R D S C O N N E C T T OD NT A G R A M le 8 . S C H E M A T I CD I A G R A M 27 1 1 . nÉclecesnltÉceruroues .... n É c l a c e s É l e c r n r o u.E. s. 1 1 . AJUSTES ruecÂrurcos 12. A"lusrESetÉctnrcos ...... 12. YZ O MAY I98I u 35 40 42 49 51 58 60 ,t.spEclFlcAlfôNs Miscellaneous . . . APProximatelY90 seconds (C-60tape) (WRMS) 0.04% than more No . . . . . Wow and Flutter -20d8 recording: FrequencyResponse . . - . 2 Ot o 1 6 , 0 0 0 H 2 Normal, LH taPes (25 to 14,000H2J3dB) .20 to 18,000H2 Chromiumdioxidetape (25 to 16,000H2r3dB) (OdBrecording; 25 to I 0,000H2) FastWindingTime M e t atl a p e . . . . Siganl-to-NoiseRatio Dolby NR OFF Dolby NR ON . . 20 to 20,000H2 È3dB) (25to 17,500H2 to 15,000H2) (OdBrecording;25 " " Morethan 59dB B Type morethan 69dB C TYPemore than 79dB (at SkHz) Output ( Referencelevel/Load impedance) jack " '450mV/50kQ'Pin L I N E ( O U T P U T )x 2 diam' 6mm iack 60mV/8Sl' ' Headphones Subfunctions a . . o Auto reverse,auto repeat functions MS/SKIP(MusicSearch/Skiplsystem REC MUTE switch LED Dolby NR system (B tvpe/C tvpe/OFF) with indicator lamp o Stand'by mechanism with unattended recording and playback o 3 position Auto tape selector (NoRM/CrozlMETAL) . Full automaticstop mechanism . MEMORY STOPfunction (FF, REW) . 2 color digital levelmeter r 3 digit mechanicaltape counter o lC-basedlogic control o Cassettecompartmentillumination . INDEX SCAN system o MUSIC REPEATsystem O SKIP . BLANK SEARCH SYSTEM AC12OV/60H2 "" PowerRequirements " ' 43/Vatts PowerConsumption (Hl x 270 (D) mm (W) x 99'5 -42O Dimensions 1 6 - 9 / 1 6{ W ) x 3 - 1 5 / 1 6( H ) x 1 0 - 5 / 8( D } i n ' 5'3ks (l2lb) Weight(without package) FurnishedParts " " " ' 2 Connectioncord with pin plugs Operatinginstructions NOTE: to posible Specifications and the design subiect improvements to due notice without NOTE: rapes: 1. Reference ï::ïlii modifications tt: DrN45513/BLArr CrOz DIN 45513/BLATTT (CrOz) or equiv. 2. Reference Recording Level: Meter OdB indicating level (160nwb/m magnetic level = Philips cassette referencelevel) Signal:333H2 3. Reference 4. Wow & Flurter: o JIS [3kHz, with acoustic (weightedl,rms valuel compensation ' Measuredat -20d8 level, ResPonse: 5. Frequency level deviation is tGdB without OFF, DOLBY NR indication. 6. Signal to Noise Ratio: ' Measuredat the third har' monic distortion 3% level,weighted. Input level (mV) required for reference Sensitivityl 7. recording level with input (REC) controls set to I maximum. settings 8. Maximum Allowable lnput: While decreasing of input (REC) level controls and increasinglevel at input iacks, this is the maximum input level (mV) at the point where recordingamplifier output waveform becomescliPPed. 9. ReferenceOutput Level: Playbackoutput levelwhen meter indicatesodB. 10. This modeldoesn'temploywith a recording/playback connector(DlN-type). ( IndicatorAssemblyRemoval Removethe two hooks O of the panelstay and pull the indicator assemblytoward you. Level Meter Assembly Removal Remove the hook @ of the panel stay and pull the level meter assemblytoward you. CapstanBelt Removal 1. Remove the four screws €) ana rcmove the capstanmotor control assembly. 2. Remove the capstan belt from the capstan assembly. Gontrol Switch Assembly Removal Remove the two hooks O of the panel stay and pull the control switch assemblytoward you. Level motor assembly removal .,O _l I ".-o Capstlr motor .control at*mbly -d __) . - Fig. 3-5 Control switch assemblV Level meter assembly o F i g .3 - 3 Disassembly Head Assembly Removal 1. Remove the stopper. 2. Turn the head assembly clockwise (FWD direction). 3. assembly Fig. 3-4 Head assemblyremoval e@ Sub caostan assemblv l d l e r P u l l e Ya s s e m b l Y Capstan belt removal I 2. FRONT PANEL FACILITIES f,t tr' -c _8. ':f,." OHO^EI srÊFEo cassETTE TAÆ æcK cr 7H o powenswitch The power comes on when this switch is depressed;it is turned off when the switch is released. @ EJECTswitch/cassettedoor The cassette door opens when this switch is depressed. NOTE: Thedoorwill not open when the tape is running or when the pause function is working, switch @ TapeCOUNTER/RESET The tape counter indicatesthe tape's traveling position. Depressthe resetswitch before recordingor playback to resetthe counter to "000." e LEVELmeters Theseindicatethe input or output levelduring recording or playback. @ Playbackfunction switches Playback operationscan be performedwhen the sections with the followingsymbolsare depressed: (fastforwardl: The tape runs at high speed from É left to right. The tape runs at high speed from right to left. Cif (direction): The direction of the tape travel is reversed(evenin the pausemode). PLAY: The tape is played. The tape is stopped. STOP: @ Recordingfunction switches Recordingoperationscan be performedwhen the switches with the following symbolsare depressed: PAUSE: The tape travel (during recording) can be temporarily suspended(recording standby mode). Depressthis switch againto resumerecording. NOTE: The tape will not stop whan this switch îs depreæd during fast forqard or rewind operations. Recordingcan be started. This enablesunrecordedblanksto be created between programs for convenient play functions (MS/SKlp, MUSIC REPEAT, INDEX SCAN, BLANK SEARCH). B L A N K S E A R C H : This automatically searchesfor the remaining part of the loaded tape which has not been recorded. R E CM U T E : @ rus/srlPsritch This switch is for skipping the program now being heard and finding the start of the next program. When this switch is depressedduring play (ON; MS/SKIP indicator lightsl and then the fast forward switch (rewind switch play starts when traveling in other direction) is depressed, program. from the next Wheneverthere is a long interval betweentape programs (unrecordedblanks of over I seconds),the tape is automatically fast forwardedand playbackresumes. F R O N TP A N E LF A C I L I T I E S Indicatorsbelowshowthe ON-OFFpositionof eachswitch Forward running ind, PAUSE ind. Tap€ travel ind, --- Recording ind. (T-0-dlE \ \ _-Y- ---d\o'^.=" Ê l4 Reverse running ind. -*oj€ = Recording MUTE ind. oÆtaTroN|\æ | !5â Tape travel ind. æ'-q:=,c REæar M U S I CR E P E A Ti n d . AUTO TAPE SELECTOR ind. POWERind. DOLBY B/C type ind. @ fNDEX SCANswitch This plays only the start of the recordedprogramfor about 7 secondsand then fast forwards the tape. When used in combinationwith the rewind ( << ) switch,this operationcan be performedwith the tape beingrewound. @ MUSICREPEATswitch This repeatsonly the program now being heard for up to e i g h tp l a y s( O N ;M U S T CR E p E A Ti n d i c a t o tri g h t s ) . @ INPUTfevelconûols These are used to adjust the input signal level during recording.The insideleft channeland outside right channel controls can be usedseparately. @ MlCjacks Insert the microphoneplugs (L and R) into thesejacks when recordingwith microphones. @ PHOrueSjack Insertthe plugof rhe stereoheadphones into this jack. @ ruOOeselector : Whenthe tape has beenwound up on one of the reels, it automaticallystops traveling (oneride travel). .= : The tape startsmoving in the forward direction, the direction is reversedat the end of the tape, the tape .startsmoving in the reverse direction and then stopsat the end {two-side travel}. cr : The tape is repeatedlyplayed back. The repeat function stops when the direction of tape travel hasbeenreversed eight times. : @ f trUenstartswitch This switch is oærated for unattendedrecording playor backusingthe timer. REC: For automaticallyrecordingat the lime set on the timer. O F F : F o r w h e nt h e t i m e r i s n o t b e i n gu s e d . PLAY: For automatic playbackat the tim6 $t on the timer. @ rupxFTLTER switch Depressthis when recordingan FM stereobrCd$st using the Dolby noisereductionsystem. @ ooLev NR B/c type setector Depressthis to selecttype B or type C Doltry Nfi system with the Dolby NR switch in the ON position.ffhe indicatorBorClights). @ OOLAVNR ON/OFFswitch Depressthis to the ON positionwhen recordingOr playing backa tapewith the Dolby noisereduction ,ia*. @ rueruoRY ON/OFFswitch Whenthe tape is to be stopped automaticallyat a desired position,use this switchalong with the tapeâunter/reset switch and rewind switch (fast to.*arj ,Witd,, Ouring reversetape travel). Normally, it is kept at ths released ( r O F F Ip o s i t i o n . The word "Dorby" and Do are trademarkof Dorby Laboratories NoiseReductionsystem corporation. manufactured unde. licens.from Dorby Laboratories Licensingcorporation. 3. DISASSEMBLY Door AssemblyRemoval 1. Depress the EJECT button and open the cassetteholder. 2 . Remove the door assembly from the hooks 3. 4. attached to cassette holder with the small screwdriver. Remove the spring with the small screwdriver. Slid the door assembly to the left and remove it pulling toward You. Sub panelR Removal 1. Pull off the INPUT knobs. 2. Push ttre four hooks @ of the panel stay with'small screwdriver. the sub panel R toward you and remove Pull 3. it. Switch EscutcheonRemoval 1. Push the three hooks O of the escutcheon' 2. Pull the escutcheontoward you and remove it. Smallscrewdriver Fig. 3-l Bonnet Removal Removethe four screw l) lndicator PanelRemoval 1. Pushthe two hooks @ of the panel stay with the small screwdriver. 2. Pull the indicator panel toward you and remove it. MechanismAssemblYRemoval 1. Removethe counter belt' ,:. Removethe six screws @ Door assemblYremoval Switch escutcheon Switch esoJtcheon removal o o V , I ) lndicator Panel removal Pânelstay lndicator Panel Sub Panel Fl Knobs(INPUT) Sub Panel R Fig.3'2 Disassemblv s[6-panet R removal T o 5. EXPLODEDVIEWS AND PARTS LIST 5 . 1 M E C H A N I S MA S S E M B L Y A I I B o'Î', r #{ C D Îp I r09 48 ù --t 87 \6/ 0 104 I 4. PARTS LOCATION NO?ES: c Parts without parl number cannot be supplied e The .t marh found on some component parts c indicates thc împortance of the safety factor of the part. Therefore, when replacing, be sure to usc parts of identical designation. For your Parts Stoch Controt, the fast mouing items are indioated with the marhs ** and * ** GENEÀALLY MOVES ,FAS"ER THAN *. This classification shall be adjusted by each distributor because it depends on model number , temperature, humidity, etc. Front PanelView Knob C (FF. REW) RAC-209 Knob D (REC) RAC-193 Knob (EJECTI RAC-208 Knob E RAC.194 Door lens Knob ilNPUT R) nAA-36r II Switch escutcheon R N L.338 t* Door panel assembly-RX8.595 Knob (INPUT L) RAA-362 Knob (MODE) RAA-359 Sub panel R R N 1.378 o \9 o Knob (POWER) RAC-195 Knob E RAC.192 KnobD (PLAY, STOP) RAC-'10 KnobG (MEMORY) RAC-196 Indicator panel R N L-357 Knob S (DlRECTTON) RAC-[ 11 Front View with Front PanelRemoved * ** ** Indicator æsembty (A) RAW-162 Counter RAW-167 V a i b b l 0 r e s i s t o r( t N P U T ) RCV-CXI6 Cassetteplate assembly RXX.338 tfr Erase head RPB-095 *t ** Èi P u s hs w i t c h R S G - 12 6 Jack assembly RKN.O75 notary switch (Bl nsB-O30 H e a d a s s e m b t y( R E C / P B ) F XX.333 Erase head RP8-094 Flotary switch (A) RsB-029 * P u s hs w i t c h ( B ) RSG-126 F u n o t i o l Ns w i t c h a s s e m b l y R W $ f1 3 8 * bw| meter æsembly RAW-161 Removd ?opUb* *ltfr Bonnet Remote control æsemblY t* I Fuse(2A) Mother assembly RWX497 NR assembly(Ll A ft [ * Fuse(1.2 REKO59 eovrnrtransformer (1 RTT.239 Rwx-499 (Rl DOLBYNR assembly ,RWX-49S' Amplifier assembly RWF-O95 Reel motor control æsembly RWX.491 Capstanmotor control æsemblyC RWX489 Jack assembly RWX.498 Switch æsembly Panel stay RNT-OI7 Meter drive assembly Mechanism assemblY RWX.sOO RearPanelView Remote control socket RKP-222 Main chassis Bonnet RNA.563 Strain relief REC-376 Terminal(LINE) RKB.O18 ( - 5.2 EXTERIOR A r6 B a.- o- 70 70É 2 t C s) I u 1À 30 I D r0 ll PI 4 6l T- A z/ =ft È I -f --J .1 Mark No. Part No. Description 8't RBH-855 82. RNH-064 83. RXX-334 84..RNH-061 85. RXB-553 Spring FG plate FG coil assembly FG shieldplate 86 RNL-257 87. RWX-491 Trigger lever B Reel motor control æsembly B 88. 89. 90. RWX-489 Heat sink A P.C.B. 91 92. 93. 94. 95. Cord clamper Capstan motor coil assembly Thrust receptacle Pinch return spring R Sub pinch arm R RXX-335 RNL-247 RBH-862 RNL-268 96. BBH-852 97. RNL-264 98. 99. 100. WAot7D03SD025 B e a r i n gh o u s i n ga s s e m b l y Mark No. Part No. 101 102 103. 104 r0 5 . YE3OFUC YS2SFBT ATZ?ôPOEOFMC VCZ30P06OFMC BMZ3OP06OFMC Wæher Washer Screw Screw Screw vcz26P100FMc YE25FUC VCZ26P140FMC ATZ3OPOSOFMC YE2OFUC Screw Washer Screw Screw Wæher WA21D040D025 PMA26P050FMC BMZ26P050FMC BMZ26PO80FMC BBZ26PO80FNi Washer Screw Screw Screw Screw 't06 107. 108 1æ. 11 O Capstan motor control assembly C P i n c h p r e s s u r es p r i n g B Eject lever Side frame B2 assembly Heat sink B Washer 111 't12 113. 114 115. 116. VCZ30P100FMC 117. RNH-117 Screw Sield plate B - NO?ES: c Partswithout part number cannot be supplied' o The tf marh found on some component parts indicates the importance of the safeti-'factor of the part. Therefore, when replacing, be sure to use parts of identical designation. o For-your Parts Stoch Control, the fast moving items are indicated utith the marhs ,h* and *. *T GENERALLY MOVES FASTER THAN *. This classifieation shall be adjusted by each distributor because it depends on model number , temperature, humidity, etc. Parts List No. Mark D6cription RNL-266 RBH-849 RNL-265 RBH€5O RNL-261 Lock arm Lever spring Eject prevent lever r Part No. D€scription REF-O22 RNG.3O6 RXX-333 Steel ball (30) Housing Headæsembly Headbaseæsembly Slideplate Spring Cylinder 6 . REB447 7 . RNL.269 8. 9. 10. O ring Piston Connector P.C.B, Cord damper Side frame L2 assembly 46. RNH.O76 47. ,lg. RBH€59 49. 50. RBH€68 Headbæe spring Main shaft Arm spring Arm æsembly Switch le\rerspring A 11. 12. 13. 14. 15. R8H€51 RXB.55O RNL.267 RBH€61 Pincù pressurespring L Pinch roller arm æsembly Sub pinch arm L 5 1 . RNC-267 52. RNL-272 53. RNL.271 Pinch return spring L Cam follow lever il. 55. RBH€69 RNL-273 Switch lever REC detector arm Detector arm Switch leverspring B METAL detector arm 16. 17. 18. 19. 20. RNL-253 RNL-254 RNL-255 HNL-306 RNL-305 Hook L Hook R Connection plate Pinch plate 56. 57. 58. 59. 60. REB45O RNL-258 RBH.848 RNL.259 RBK.lEI Brakeshoe Brakeplate L Brakespring Brakeplæe R Half set spring 6 1. 62. 63. 64. 65. RBH€47 R X P . I1 1 RNL.256 RBF.OSB RNL.3O8 SpringR Plungersolenoid Trigçr lever L Washer Assist çar R 21. RNHO77 22. 23. RXX.3i:t6 24. *i No. Mark 41. 42. 43. 4. 45. 1. 2. 3. 4. 5. ** Part No. 25. RXB-548 26. 27. 24. 29. 30. RNL-313 RBK-I67 RNL-3r4 31. 32. 33. 34. 35. 36. 37. 38. 39. 40. ** * Actuater Change plate. Beel molor drive assembly A Reel motor coil æsembly Rêel motor P.C.B. Rotor æsembly Â* RNL.317 Pocket L Pressurespring Pocket R Holder B Special nut 66. RNL-307 67. 68. FXB.620 69. RBH€46 70. Assistgpar L Pulleyshaft ldler pulley assembly SpringL Chassisassembly RPB-G)s RBH€63 RPB-Og4 R8H-864 Eræe head Height adiust spring L Erase head Height âdiust spring R Eræe head base æsembly 71. 72. 73. 74. 75. REF-O23 REB-260 RLB434 RBF-tr'o RBH-857 Steel ball (4O) Stopper Guide roller Oil stop wæher RatchspringL RNL.262 FBA.O74 RBH.853 RBH-906 RNL-312 Stopper Azimuth screw Azimuth spring Gear spring Sector gear 76. 77. 78. 79. 80. RBH-858 RX8-552 BXB-551 BE8-467 BBF-O5g RatchspringR Sub capstanæsembly Capstanæsembly Capstanbelt Washer RBA-073 10 11 12 -6 -@ -o -o -(l AsCy(L) RWX-499 IC60l Q601 IC602 vR601 vR602 vR604 B -o rc603 Ic604 Q6O1 IC602 vR601 .(,q lcrz, ;.0' i 1!g; ? r$e-jgj . ' ; !'-r',rrt I i , .,0*, l.(.E IC6O3,604 rC40668P or x884o66BM o'H0'40668 - F6.s56v à"J* r à "'&d;ït lÏ. l*iÈ,'."utlto.oiÀ" ï----.-- -^^^^^i"'?,' é d< - vR602 vR604 ] e 0601,503,604,€07152473or ' usto4o I ^ ç^'-i.":l ?r"o. ::6@-9 à ^-.1.-^'*L'-,"';1, I - rTr'r'_-.ttii.'1,I .P -'i;-"r , I ç1 t,,t l"J'"'ilg;' #"5 c{--1'os0'-". , f,* i#l *'Ï. :#ç '. ' i;'i fsi:"î;"t ,";' : " , l ii",t .,.: -.."::1,' f r"r is"l ;#l,,1..,j,*.,.*;...i,,oi..:@]..l.'.Ê=Ëj"*"*iT.l \ss'y(Rl RWX- 499 -o -(D o o I 7 I I I ootl S J] P O W E R CASSETIE HALF S2 TAPECOUNTER REMOTECONTROL Ags'y I P.C. BOARDS CONNECTIONDIAGRAM I I lz HtaL qSSt ; ûH . ar A CONNECTOR Ass'y AMP Ass'y RwF-O95 QSOJ O5Or Q5O7 vÊ50r L5G B oc JACK Ass'y RfVX-4ge D SVtITCH Ass'y 2 L$4 3 I I I f I /rI hl 1t JI \J MOTHER Atss'y RWX- 497 Q3æ O306 ta92 a331 Q3O7 lcg aoz Q3o3 Icrc6 Ic3o7 Oæ8 .w-- a3O9 a01 IcJoi VRæ3 vR304 r , , a,315,319,Q3?4-327 aû2-Z07.r12,3tt 0330,331 s 2l 2æ174OLX r5c634Nc o.2sct€t5 c*r\ :]: .t.iar^ jll .i{ erj I Q325 O3ro L 3 06 err' u.u. o.ro o.rïtto" e3o4 rcg Icæ3 Q 324 331"to. Q326 a327 a: vBæi vR305 vm02 vR306 -Ltil€ À (t ) oroo,3os ol 2sc2479 ôt 2SDt1a9 e31o31s d 2sc2673Dl ZSCaO6O -l =-l or ol's @ C€ - - .T -\ll ii l+ - r s ol ' f .I I ur{' ? I i 220 7 J6 -' -tt30? ltE?t?l T;- I PartsList Malk No. Part No. D.rcription No. Pan No. Do.cription RNA-563 BX8-595 RBH€92 Bonnet Door panel assembly Door panel Door lans Door spring 51. 52. 53. 54. 55. RCv096 RS8029 RSB-O3o RWX,49B RKN-07F V a r i a b l ec s i { e r ( t N p U T } Rotary switch (A) Rotary srrirclr (B) Jack assembly Jack assembly 6. 7. 8. 9. 10. RNL-338 RAC-195 RNL-357 RAC-209 RAC-211 Switch escutcheon Knob (POWER) Indicator panel Knob C (FF. REW) Knob S (DtRECT|ON) 56. 57. 58. 59. RTT-239 REC-355 Power transfolmer (l 2OV) Slide stopper Main cha$is Power cord 11. 12. 13. 14. 15. RAC-210 RBH-902 RAA-362 RAA-361 Knob D (PLAY, STOPI Spring Knob (INPUT Ll Knob (INPUT R) 16. 17. 18. 19. 20. RXX-338 REL-O91 1. 2. 3. 4. 5. ** ** 2s. A o 2 1. 22. A ** 24. 25. ** * 26. 27. 28. *æ. æ. I *rt ** t* ** A t* ** ** ** [. ,A A * 60. 61. 62 63. RDGO22 (RDG_O30) REC-376 - Meôanism assembly æ. Strain rellf Remote control assembly Stud A Eanh terminrl {2P} UL cord *mppr Cæsette plæe æsembly Lamp P . C . B .B r a c k e t Panel stay Eject spring 65. 66. 67. 68. 69. REC-369 vBz30P060FMc Boftom pltte A Bottom ptûe 0 Foot as.serbly Screw RAC-208 RE8-456 RWX-109 {RWX-234} RSA{46 RAC-l96 Knob (EJECT) Counter bolr Spark killer 70. 71. 72. 73. 74. vBz30P080FMC BBZ26P080FNi PMZ30P060FMC FBT40PO6OFMC PMZ30P060FzK Screw Screw Screw Screw Screw RAW-167 Counter RAW-I62 RAW-l6l RAA.359 Display assembly A Level meter assembly K n o b { M O D E ,T T M E R } 75. 76. 77. 78. v8z4oP12oFMC VBT3OPO6OFMC VPZ3oP100FMC RKP-353 Screw Screw Screw Connector iodtèt assembly (f) 79. RKP-352 Connector tocbt æsembly (S) R ivet REC-378 R EC-380 RNL-390 P.KP-222 VB shield pcprT Shield pap6t Transformaa plûte Remote corrtrol socket RNT-OI7 RBH-9O1 3 1. 32. 33. 34. 35. RWS-138 RsG{63 RSG-088 RAC-r94 RAC-193 36. 37. 38. 39. fi. RAC-192 RNL.378 Rwx-497 RKB.O18 41. 42. 43. 44 45. RSG-12s RSG,126 REK.O59 REK-O55 RWX-499 46. 47. 8. 49. 50. RKP-273 RwF{95 RNL-375 RWX€OO Power srvitch Knob G (MEMORy) Function switch assembly Function switch Push switch Knob E Knob D (BECI Knob E Sub panel R Moth€r assombly Heat sink T e r m i n a l( L t N E ) P u s hs w i t c h ( A ) Push s,vitch (B) Fuse(1.2A) Fuse (2Al DOLBY NR assembty Connector socket assembly C Amplif ier assembly P . C . B .H o l d e r illeter drive assembly Switch assembly 80. 81. 42. 83. 84. ( LEVEL I\,IETER - I POI'YER SUPPLY oil - oFF oil - oFF û{ - oFF ÎYPE 8 - TYPEC oir - çF FTO- REV o|r-6F =-? -o REC -çFLtE- t rc S9O3 : PLAY o1{ - QEE oil - oFF oil - oFF S9O4 : FÀUSE q{ S96 : FF s906 : REW ON qr - S9OI : REC MUTÊ s9@ PLAY : FEC - oFF OFF gEq s907:sToP o.{ - qE s90€ :DtRæTtr s909 :$,- / I - b----------l \-_/ I ffisa lbt$.@ | | t--' ,- _-1 -l r.ær 16'i!q., rP6or t@!t d..., Cinta de pnreba Prooedimiento: Ajustar el VR501 (canal izq.) v el VR502 (canal der.) del conjunto del AMP de modo que el voltfmetro de CA indique - 1,2dBv (871 mV). Voltfmetro de CA (escalade mV) REV) STD-341A,posiciônes 333H2y 6,3kHz TerminalesOUTPUT A Nivelde 333H2 6,3kHz = +O,5dBt 2dB Procedimiento: Poner en reproducciôn la cinta de pnteba en las posiciones de 333H2 y 6,3kHz. Comprobar que la diferencia entre los dos"niveles de salida no soprepase*0,5d8 t 2dB. I TP603 I vR6o3 TP6O3 AMP Conjunto del VR5O2 (Canalder.) Aiuste del nivel de reproducciôn Conluntodel Dolby NR (Canalder.l Conjunto del Dolby NR (Canal izq.) Fig. 12-4Puntosde aiuste I Procedimiento: 1. Poner la cinta de prueba el control de nivel de modo que el voltfmetro - 5,2dBv(549 mV). 2 . Poner el intemrptor DO ciôn ON. Ajustar el CTFWD y grabar y reproducir en la STD-6084. Ajustar izq.) y el VR-604 (canal el voltimetro indique - 5,2d 3 . Poner la cinta de prueba ruptor DOLBY NR en la grabar y reproducir sefrales STD603. Confirmar que CA indique - 5,2dBv t 1 462 mV). 4. Poner la cinta de prueba mptor DOLBY NR en la y reproducir sefralesde Confirmar que el voltf - 5,2dBv t 1,5d8 (653 mV a ENTRADA € /r333H2 //\ \ -10d8v v/ \ {3t6mV: Y Thfr VR3O4 A y ajwtar (INPUT) de CA indique R en la posila posiciôn de entrada R604 (canal de modo que mv). y el interiôn ON y el entrada en la tfmetro de (653 mV a I y el interON y grabar la STD604. CA indique mv). 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