Aiwa-ADR40-tape-sm 电路图 维修手册.pdf

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1、S/M Code No.88-051 DATE OF ISSUE 7,/1988-T AIWA AD-F370,$37 AD-R470,R40 ERVICE UAL e BASIC TAPE MECHANISM : X3 e TYPE. H, U, C, E, K, G, Z SPECIFICATIONS Type Stereo cassette tape deck inputs LINE IN maximum input Track format 4 tracks 2 channels sensitivity: 50 mV (over 50 kQ) Power supply AD-R470

2、E, Z, AD-F370 E, Z DIN max sensitivity (Z model only): AC 220 V, 50/60 Hz 0.3 mV/kKO (3.3 kN) AD-R470 K, G, AD-F370 K, G Outputs LINE OUT standard output level: AC 240 V, 50/60 Hz 0.36 V (0 VU)(AD-R470, R40) AD-R470 C, AD-R40 U 0.35 V (0 VU)(AD-F370, $37); suitable load AD-F370 C, AD-S37 U impedance

3、: over 50 kN; AC 120 V, 60 Hz DIN standard level (Z model only): AD-R470 H, AD-F370 H 0.36 V (0 VU)( AD-R470, R40 ) AC 110120 V/220240 V 0.35 V (0 VU) ( AD-F370, S37 ) switchable, 50/60 Hz Headphones: 8 N1 kQ Power Dimensions 430(W) X127.5(H) X233.4(D) mm consumption 17 W Weight AD-R470, R40 3.3 kg

4、Frequency AD-F370, $37 3.2 kg response METAL tape: 2018,000 Hz : CrQ, position tape: 2017,000 Hz NORMAL tape: 2016,000 Hz Signal-to-noise ratio 73 dB | (METAL tape DOLBY C NR ON) Wow and flutter According to DIN 45 500 0.15% 0.065% (WRMS) e Design and specifications are subject to change with- Tape

5、speed 4.8 cm/sec. (1-7/8 ips) Out notice. Rewind time 90 sec. (C-60) e Dolby noise reduction and HX Pro headroom Fast forward time 90 sec. (C-60) extension manufactured under license from Dolby Recording system AC bias (frequency 85 kHz) Laboratories Licensing Corporation. HX Pro origi- Erase system

6、 AC erase nated by Bang HX COIL 85K CONTROL OR DRIVER R947 100K N SB37 DS 2S61815GR Q30! E ed | H |2sa6s3s_ 560 i/2w, 220 | ap-R470 _ Cc | 2sai296cr 560 174w | 330 _ | | E-K.Z | 28a1296GR| 560 1/4w | 220 | | AD-R40 | U | 2Sai296GR| 560 1/4w | 330_| | H_ | 2saga3s_ | 560 i/2w 220 | ao-r370 S| 2saraae

7、eR| 560_ aw | 330 | | E.K.Z | 2SA1296GR| 560 I1/4w | 220 | ao-s37_ u esaizgeer56C V 4w 330 | VOLTAGE VALUE F actaT REC NO SIGNAL) fr CUT HC EKG ZT OU 270K 1000P irakenaees 6303 180P VREF sweerennnt ee RI-RIO 4.7K D303 18S133 1S$S133 0305 LC6543H-3715 307 ee ea aes a 3 3 2 wa wo wo wo 3 3 LH 9:46 LH

8、5.27 LH 5.46 Peep ee 4.5 H caeestco ecoico east (ttttiCCOCOC*; CW Be pepee nce Montisenssueseosied asic tti deve savenudedsaias Wesidded ance wanaakeeckiceccseeee Sate sbeneasacesaeehe aut $37 MT 8.88| MT 9.21 MT 8.88 Sia taiavey (at rec _T ne Jeez 0 L GND = 4 D POWER 6.5 i (1) aD-Rav0/ oo es tco 7

9、001 GO 66a ADFsro/es? | 10.1 10.8 10.1 R40 cO 6.64| CO 7.00|CO 6.64 AD-Ra7o7Ra01 9.96 110.1 1 596 Q401 2sa952k AD-R470/R40 ONLY BIAS OSC 11.4 QUICK REV. DRIVER _ = = oe - et G ON my oA Z Ty ie Se ae TITRA oR PSs ) 2 2SC1815GR Pee Jemem u o| SE. Lao HOt? oy E Deck ce Cea pd 8 SPARK KILLER AD-F370/s37

10、_| 26.4 | 27.5 | 26.4 | a. J| eS BIAS OSC B5K yea! “elie | an (1) AN 0.0022 AD-R470/R40_| 31.0 | 29.8 | 31.0 | 8 OSS ceesnamscne fF 01 wor fo BRE OD eeecees Xx F S228 oy = a 6 a % = ocbias s95i 1 R954 STI-315-05CD reeeer a bs v a 4 sa ee REA “cme i 680 / 0 LA 5 A g of ae Ah AD-R470 i fac = 8 a8 Gi O

11、n 2 5 H MODEL H VREF (4) 3) 28C1815GR 8 $35 : Lo lSececuoeut con a x me (8+(8) a BLK Tk ea 2 : F/R To E DECK c.B cst. PLay To E( xxx SOL922 Swe2 | PINIOIB SW922 SW952 SW95i SOL 92! ae : WHT SENSOR C.B oD SYNGE | : Pe ont REC/PLAY| INPUT SELECTOR DIN*LINE IN | PLAY/ PZ ONY LE SS | LINE OUT 9 . | : |

12、| | 10 ; WIRING 2 | (ADR470,R40, ADF370,S37) | 3 | 4 C JACK C.B J661 To a MAIN. C.B AC 110V-120V/ 220V240V 50/60Hz(H MODEL) AC1I2Z0V G6OHz(U,C MODEL S) AC 220V 50/60H2z(E,Z MODELS) AC 240V 50/60 Hz( K,G MODELS) RED ORG | AD-R470 D. POWER C.B 1 ag-t3 owt ibs ne US ie Geol 1- 3 PINJO5 i CONIOS TOA MAI

13、N C.B 110: 120V 220. 240V AC VOLTAGE ed Y G LaD-Ra7O/, R40 | CCENGG2 ONE 11 SCHEMATIC DIAGRAM2 (ADR470,R40, ADF370,S37) MAIN: :6:Be oe. . ee iG Fo . ap Ps (DOE-BY:SEG ETON) os: DOLBY FILTER fees ae 3 : REC a Pease: (L502 po-2-o-n ae oe FILTER (1) 6) H 2 (| MPXBSK Y i Pook BOQ aad IMPX FILTER (2) 6)

14、ADJ f i R502 5 Kk) ! ib gis - 22K Sy i pe 3 5 6532 R524 : ; Q502 ) (4) 4.7750 1.8K ue fF eRCH eee 7 ee a ee es | ; . fo - SW VREF a VREF r GND GND RCH . LINE IN ohy bs 0: xo = 4 S38 BF 6 Ss RCH = Pee ee ee 1s PB IN 68) 8 o|8 ale | ole oe fe Heol aie = = a 3 2 OTs of gee 3 : o R526 NSS O-REC 42 +18 e

15、ye | RCH 10K ; Bas ae , 3) REC OUT 0.20 Vaate 0.25 ; 5.75 O.25: 0.25 5.74 5.76 5.75. aj 65 6 66 e656 6g 68 : fe b so ge = 8 2 Gg eo ee Eg : to 3 - wi 2 fos) 2 o qt . ke & is 2 x f 9 Be bey ae = ae = ee IC50 DOLBY -B.C NR VREF CX-20187 = 5 : tt mi LC ro) E 6 : - - gf oy Ss a & ONS a 3 5 S a o 7 i & 6

16、) Omran ofF 0 | OFF 94 11.24 =9 0.25 | No.2s 5.74 5.75 5.75 3 . i i Q wy DOLBY B() Bao B48 3 a : Be 1) LCH PB ING) i 8 rd ro! OOLBY (2) 3 tt Pe = H GND . | 3) LINE OUT LCH LINE IN) gi QO N + L5OI Aes b b MPX FILTER 1 ADJ co ceased cece pcos te 2SA1015GR R501 KK) L501 ! 22k FILTER (4) MPX. 85K 5 1 DO

17、LBY FILTER IC BLOCK DIAGRAM2 _ IC, CX20187 12 WIRING3 Al B | C D E| F G a H : | an REC. BAL-ANCE fe) GRY (ADF370,$37) oe J ee VRO632 VR631 REC: LEVEL i FRONT C.B VR451 BIAS FINE (NORMAL, Cr02) To FRONT C.B CONIO2 laa 13 ee N $831 DOLBY B-C NR C= OFF +B A) MAIN C.B Sloe me REG = OFF PLEAY/REPEAT. S83

18、5 ieee S840 $839 OREC MUTE REC/PLAYTINPUT SELECTOR) DINsL ee ae ee ee Tt Se mee See eee mee ee Ente ee 2 Me Dene nd cme Teme! late a 2 ae 10 $836 $838 $842. eREC To B FRONT C.B CONIO3 | $841 ae PLAY/ REC/ INE OG LINE OUT LINE -1N a 12 13 aS Reece Cae S-POINT:PEAK:LEVEE METER D801 D803 D805 D807 - 80

19、9 Dstt D813 D815 -) LEFT pso2 =: 0804 D806 s 808 D810 pgi2 0814 D816. RIGHT Ho feed? fpos) Pon) fsb ry Eee F feed 0848 D847 D831 D832 0844 D846 REC MUTE PAUSE DOLBY C NR DOLBY B NR PLAY | RECORD EH. R/PH CON 104 TO A MAIN C8 PINIOS To A MAIN. C.B PINIOIA M3921 3 (MOTOR : 5 1 oeere Fe CONIOIB | 4 9!

20、y ar RE | : SOL922 Swse2t ToE DECK. .C.B SWS22 SW952 Swed es ae PIN101B bes = oe XX XK WHT DECK C.B 14 Sued SMACK einen SOL 921 ADJUSTMENT (ADR470,R40, ADF370,S37) AD-R470/R40 AD-F 370/837 R/P/EH R/PH AD-R470/R40 MODEL ES AD-F370/S37 MODEL 2) 4) 3 A|MAIN C.B TP3 p40! | 6% ) | VD L40) SI: L502 SFRIO2

21、 AQ S) SS rar | L301 (f) = ro) : L302 Y Mars “ TPH(Leh)y_1C303 INS ie ees Trai Ren) (eg a | Ge SFRZ01 | SFR302 Oz G : y) | L501 p A) SFR201 WH) | SFR202 15 . Azimuth Adjustment Settings : Test tape : TTS-310 (TTA-317E) ginodig Test. point-:-LINE OUT (AD-F370/S37,. AD-R470/R40 H, C, E, K, G ONLY) DIN

22、 OUT (AD-F370/R470 Z ONLY) - Adjustment location : Azimuth adjustment screw Method : Playback the 10kHz signals of the test tape, and adjust the screw for maximum output. . Tape Speed Adjustment Settings :* Test tape : TTA-100 (TTA-111S) -Test point : LINE OUT (AD-F370/S37, AD-R470,R40 H, C, BE, K,

23、G ONLY) DIN OUT (AD-F370/R470 Z ONLY) - Adjustment location : SFR921 (AD-F370/S37) | MOTOR SFR (AD-R470/ R40) Method : Playback the test tape and adjust the SFR for frequency of 3, 000Hz. . Playback Sensitivity Adjustment Settings : - Test tape : TTS-200 (ITA-161, TCC-130) *Test point : LINE OUT (AD

24、-F370/S37, AD-R470/R40 H, C, E, K, G ONLY) J601-1 (L-CH) J601-2 (R-CH) DIN OUT (AD-F370/R470 Z ONLY) J651 - DOLBY NR SW : OFF - Adjustment location : SFRIO1 (L-CH) SFR102 (R-CH) Method : Playback the test tape and adjust so that output is 490 + SmV. . Bias OSC. Coil Adjustment Settings : + Test tape

25、 : TTA-620 (TTA-119MP) - Test point : TP3 - Adjustment location : L401 + DOLBY NR SW : OFF Method : Adjust so that the frequency at the test points is 85kHz + 200Hz. . HX Coil Adjustment Settings : Test tape : TTA-600 (TTA-119K) Test point : IC303(HX comparator), pin 2,8 - Adjustment location : L301

26、 (L-CH) L302 (R-CH) Method : Adjust so that the DC voltage at the test point is minimized in the REC STANDBY mode. . MPX Filter Adjustment Settings : Test tape : Blank tape * Input signal : 19kHz signal at LINE IN -Test point : LINE OUT - Adjustment location : L501 (L-CH) | L502 (R-CH) Method : Reco

27、rd the test tape, and adjust so that the output DOLBY B/C SW ON becomes up to 21dB for the output at DOLBY B/C SW OFF. 16 7. REC/PB Frequency Response Adjustment ome BEE ele MO A a i tk, SAT Ra Settings :- Test tape : TTA-600 (TTA-119K) Me thod 8. REC/PB Sensi tivity Adjustment Settings :- Test tape

28、 : TTA-600 (TTA-119K) (AD-F370/S37, Me thod _. + Test. point. :. LINE OUT.(AD-F370/S37,-AD-RA70 st | /R40 H, C, E, K, G ONLY) J601-1 (L-CH) J601-2 (R-CH) DIN OUT (AD-F370/R470 Z ONLY) J651 * Adjustment location : SFR301 (L-CH) SFR302 (R-CH) * DOLBY NR SW : OFF : Record and playback the ikHz and 1OkH

29、z Signals and adjust so the output difference becames +0.5 + 8: 3dB (AD-F370/S37, AD-R470 /R40 H, C, E, K, G ONLY) -3 + 3dB (AD-F370/R470 Z ONLY) AD-R470/R40 H, C, , K, G ONLY) TTA-610 (ITA-119H) (AD-F370/ R470 Z ONLY) *Test point : LINE OUT (AD-F370/S37, AD-R470 /R40 H, C, E, K, G ONLY) J601-1 (L-C

30、H) J601-2 (R-CH) DIN OUT (AD-F370/R470 Z ONLY) J651 * DOLBY NR SW : OFF * Adjustment location : SFR2Q1 (L-CH) | SFR202 (R-CH) | : Record and Playback a 1kHz (AD-F370/S37, AD-R470/R47, H, C, E, K, G ONLY), 400Hz (AD-F370/R470 Z ONLY) signal and adjust so that the LINE, DIN output difference became 0

31、+ 0.3dB (AD-F370/S37, AD-R470/ R40 H, C, E, K, G ONLY), 355 + 50mV (AD-F370/R470 Z ONLY) PRACTICAL SERVICE FIGURE (ADR470,R40, ADF370,S37) Playback output: (TTS-200 CITA-161, TCC-130) PB/REC output: (TTA-600 (TTA-119K) ) PB/REC distortion: Playback noise: Erase ratio: (125Hz) PB/REC SN ratio: (Unwei

32、ghted) AD-R470, R40 EXCEPT Z 470 + SOmV (LINE OUT) Z ONLY 490 + SOmV (DIN OUT) (Weighted) EXCEPT Z 340m + 1.548 (LINE OUT) Z ONLY 340mV + 1.5B Tape speed: (DIN OUT) (TTA- 100 (TTA-111S) Wow & flutter: AD-F370, S37 (W. R. M. S) Less than 2.0% (NORM) AD-R470, R40 Less than 2.2% (Cr02) AD-F370, S37 Les

33、s than 2.0% (Cr0 2) AD-R470, R40 AD-F370, S37 Less than 2.0% (MT) Take-up torque: Fast forward torque: Rewind torque: Back- tension: AD-R470, R40 AD-F370, $37 Less than 4.0mV (DOLBY-B NR OFF, with NORM. tape) AD-R470, R40 AD-F370, $37 Less than 3.0mV (DOLBY-B NR OFF, with Cr02 tape) AD-R470, R40 Les

34、s than 2.0/1. 8mV (DOLBY-B/C NR ON, with NORM. tape) AD-F370, S37 Less than 2.2/2.0mV (DOLBY-B/C NR ON, with NORM. tape) AD-R470, R40 AD-F370, S37 Less than 2.0/1. 8mV (DOLBY-B/C NR ON, with Cr0z tape) More than 60dB Test tape: More than 38/44/44dB (DOLBY-NR OFF/B/C with NORM. tape) More than 40/46/

35、46dB (DOLBY-NR OFF/B/C with Cr0z, MT. tapes) Recording bias frequency: More than 44/52/62dB (DOLBY-NR OFF/B/C with NORM. tape) More than 46/54/64dB (DOLBY-NR OFF/B/C with CrOz, MT. tapes) 85kHz SkHz + 1.5% Less than 0.065% 45 + 10g-cm (0.44 + 0.1mN- m ) 120 + 30g-cm (1.18 + 0.29mN - m) 120 + 30g-cm

36、(1.18 + 0.29mN - m) 3 + ?2g-cm (0.03 + 0.02mN - m) METAL TTA-620(TTA-119MP) Cr0z2 TTA-610(TTA-119H) NORMAL TTA-600 (TTA-119K) EXPLODED VIEW-1 = oOo & cx 1 wy 3) Q VTT+3-6 (R) VTT+3-6 VVT,+ 3-10 VET .,+3-12 (8) VF7T.+3-12 (610 VT.t+ 3-10 R) UT 2+2.6-8 (R) 18 MECHANICAL PARTS LIST PART NO. CHANGED TO

37、REF. NO. ht I I Ssss | mad I ih a) 1 1 1 BS BS BS BS SSgsrs el ce ll ee eal J ricmreermers Re O3 63 pt et F t bo BDO BO fo ome op) PART NO. &09- 047-383-010 %09- 047-384-010 %&09-047-398-010 %&08-047-399-010 *&82-234-018-010 %&84-711-306-019 *&82- 235-014-019 09- 047-385-010 09-047-387-010 09- 047-3

38、86-010 09-047-395-010 09-047-397-010 09-047 -396-010 %&82- 235-208-019 *%87-084-077-019 *%87-063- 143-010 87 -040- 194-010 %82- 235-207-010 %&82- 205-208-010 *82-234-015-010 84 -721-023-010 82- 235-206-019 %82-235-202-019 82-235-209-010 82-231 -615-010 &87-055- 059-010 %&82- 236-005-019 &82- 236-006

39、-019 *82- 236-007-019 &82- 236-008-019 %82- 236-009-019 %&82- 236-010-019 *&82- 236-011-019 %82-235-016-019 &82- 235-018-019 %82- 235-019-019 *&82- 235-020-019 &82- 235-021-019 &82-235- 022-019 %&82-235-024-019 *&87-830-814-019 *&87-085- 199-010 *&87-034-749-019 &87- 034-583-019 82- 187-797-019 *82-

40、 187-796-019 *82- 187-795-019 *82- 226-274-010 %&82- 235-620-010 *&82- 104-212-010 *82-235-002-019 DESCRIPTION CABINET FRONT CABINET FRONT ASSY (S37) CABINET FRONT CABINET FRONT ASSY (R40) KNOB, BIAS G CUSHION 10-5-5 KNOB, REC CASSETTE CASSETTE CASSETTE (E, K, G, Z ONLY) CASSETTE CASSETTE CASSETTE (

41、E, K, G, Z ONLY) T-SPRING, BOX BOX BOX (F370) BOX BOX BOX (R470) ASSY (i, C ONLY) (F370) ASSY (W ONLY) ($37) ASSY ASSY (H, ONLY) (R470) ASSY ( ONLY) (R40) ASSY EJECT NYLON RIVET 3.5-4.5 OIL DAMPER 7 COUNTER BELT, COUNTER HOLDER, COUNTER PUSH-KEY, EJECT PUSH-BUTTON, POWER E-SPRING, EJECT LEVER, EJECT

42、 PLATE, SHIELD HEAD (R470, R40) SILICON STEEL 48-43 (F370, $37) FOOT B CHASSIS, AMP. PANEL, REAR PANEL, REAR PANEL, REAR PANEL, REAR PANEL, REAR PANEL, REAR PANEL, REAR CHASSIS, REAR CHASSIS, REAR CHASSIS, REAR CHASSIS, REAR CHASSIS, REAR CHASSIS, REAR CHASSIS, REAR TUBE UL 8-140mm CORD BUSHING (H O

43、NLY) (F370) (U ONLY) ($37) (C ONLY) (F370) (E ONLY) (F370) (K ONLY) (F370) (G ONLY) (F370) (Z ONLY) (F370) (H_ ONLY) (R470) (U ONLY) (R40) (C ONLY) (R470) (E ONLY) (R470) (K ONLY) (R470) (G ONLY) (R470) (Z ONLY) (R470) (H, U, C ONLY) AC CORD (H ONLY) (F370, R470) AC CORD UU, C ONLY) (F370, S37, R470

44、, R40) AC CORD (E, Z ONLY) (F370, R470) AC CORD (K ONLY) (F370, R470) AC CORD (G ONLY) (F370, R470) WIRE BINDER DUMPER 80-60-3 (E, K, 2 ONLY) S S 1 CA LICON BOARD A2 (R470, R40) LICON BOARD A (R470, R40) BINET, STEEL . ASSY (F370) ASSY (R470) COMMON MODEL KK KX KOK XK KX x KX QTY | ee ee pt et beet

45、eet ee ee ee ees ee ee ee pat eet et pet OD a a ae a) poe oe ee oe ee So EXPLODED VIEW-2 (X3 SR1UN, SR2UN) ADF370, S37 87-067- 362-01 V+2-6.6 86- 35- 363-01 87- 267-033- OL 87-352-035- 21 87-261-036- 01 86- 535- 366-01 86- 524- 418-01 87-067- 278-01 VFT:+1.4-5 PW4.!1-6.5-0.19 LOVMNMINDS PART NO, REF

46、, NO. PART NO. CHANGED TO 2-1 &86-535-339-310 2-2 86-535-249-110 2-3 x 86-535-254-110 2-4 86-535-252-210 2-5 86-535-371-019 2-6 *%&86- 535-370-019 2-1 *86-535-251-010 2-8 %86-535-293-019 2-3 86-535-240-110 2-10 *&86-524- 218-119 2-11 *86-535- 385-210 2-12 *86-535-285-019 2-13 %86- 535-286-019 2-14 %

47、86- 535-353-010 2-15 &86- 535-311-310 2-16 *&86-535-314-010 2-17 %&86-535- 359-010 2-18 *&82-235- 204-010 2-19 %&86- 535-362-010 2-20 %&86-535- 289-010 2-21 %86-524- 233-119 2-22 %86-535- 282-019 2-23 &86-535- 238-110 2-24 86-535- 226-110 2-20 %86-535-312-010 2-26 *86-535- 247-210 -21 &86-535-250-01

48、0 DESCRIPTION COMMON MODEL MECHANISM CHASSIS ASSY & LEVER, CASSETTE S&S LEVER, CHROME LEVER, BRAKE R T-SPRING, BRAKE R T-SPRING, BRAKE F LEVER, BRAKE F C-SPRING, REEL PLATFORM REEL PLATFORM A ASSY STOPPER S, REEL PLATFORM SLIDE PLATE S ASSY E-SPRING, SLIDE | ESPRING, ACTUATING REET i432 ACTUATING CHASSIS & BASE, HEAD C-SPRING, AZ