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Denon DN-730R manual

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Table of contents for the manual

  • Page 1

    IDENON SERVICE MANUA MODEL DN-730R STEREO CASSE'I-I'E TAPE DECK -- TABLE OF CONTENTS -- SPECIFICATIONS .......................................................................................................................................................... 3 BLOCK DIAGRAM ..................................................................[...]

  • Page 2

    _ ON--730R[...]

  • Page 3

    DN--730R I !'SPECIFICATIONS I Type Heads Motors Tape Speed Variable (PLAY) Fast Forward, Rewind Time Flecording Bias Overall S/N Ratio (at 3% THD red,iF Overall Frequency Response Channel Separation Crosstalk Wow & Flutter I nputs Line Outputs " Line Headphone Power supply Power Consumption Dimensions Weight Installation _ • Vertica[...]

  • Page 4

    [ _BLO cK DI_A_G_B_A_M_ z 1[...]

  • Page 5

    DN-730R I iEVEL DIAGRAM j PLAYBACK SYSTEM TCC-130 IDOLBY B-TYPE 400 Hz 200 nw-b/m PB HEAD PB EQ AMP PB GAiN IC302 - - - (3) 7 TESI A_= 400_'z -- !' (2) 'J I I ._ _'-'r:_ [ aT,o, ' dl + (RT20b %? ! DOLBY NR SYSTEMIC rC303 '°I , -20_ I ! -ac -i 60" i -704 -rob _" _LAY BACK TCC-'30 400Hz 200nwbzm LINE[...]

  • Page 6

    i DISASSEMBLY INSTRUCTIONS I 1. How to Remove the Front Panel (1, Remove the four screyvs, (4 X 12. CBTS-P) in the side of the top cover. M_ve the top cover to the rear and rise it to remove it. (2_ Press the eject knob, open the cassette box and remove the cassette window as shown in the figure• Note: Handle the cassette window with care because[...]

  • Page 7

    C)N-730R I HO0_ Meier Circuit Board 5. How to Remove the Cassette Door (1) Remove :the MfNI]Zf_l_PER"_etaining screw _'-x 8 CBTS{P)- B and take out tl_ MINI DAMPER (2) Hold the legs of the CASSETTE BOX folded inwards and pull up to remove the CASSETTE BOX and BOX SPRING sc_ew_ ,i __ ¢smper --Box spring Front surfaceofFroqtAss'y 6. H[...]

  • Page 8

    DN--730R ADJUSTING AND CHECKING THE MECHANISM SECTION 1. ReplacincTthe Pinch Roller (36) Before replacincl" tl_e pinch roller, clean the tape contact surface o[ the pinch roller and the capstan shaft. Most causes of poor tape transport can be traced to dirty pinch roller and capstan shaft. Remove the clips that press the pinch roller and pull [...]

  • Page 9

    ADJUSTING AND CHECKING THE[ _ELECTRICAL SECT] _ON ............ • Caution on adjusting (1) Before adjusting, clean the head surface, capsta_l ,_r_d the pinch roller with a gauze or a cotton swab moistened with alcohol. (2) Demagnetize the R/P HEAD and the E. HEAD with a head eraser. (3) Completely demagnetize the adjustment screwdriver. (4) Unless[...]

  • Page 10

    _LJI',4-/L._UHII III I I II I I I I _ II III EQUIPMENT FOR ADJUSTING AND CHECKING 1 ) MEASURING TAPE ........ TYPE NAME, BRAND AND USES TYPE NAME BRAND USES TW-2111A!2121A SONY Checking the Take-up Torque and Back Tension. TY-2231 SONY Checking the FF and REW Torque. GR-2/60 DENON Checking the FF and REW Times. TCC-153 A-BEX Adjusting the Azim[...]

  • Page 11

    DN--73OR PARTS LIST OF GU-2778 AUDIO/METER UNIT Ref. No. Part" No. l Part Name .[ Remarks SEMICONDUCTORS GROUP IC301 262 0590 001 TCUPC1330HA IC302 262 08__006. IC UPC45706 rC303 263 0720 004/IC HA12170NT IC304 263 g56'5 007_'1 IC BA15218 / IC306 263 6711 000 _ IC M5218AP IC307 263 0354 001 IC UPC1297CA IC309 263 0565 007 IC BA15218 [...]

  • Page 12

    mBI DN-730R Ref. No. i - Part No. Part Name R253 R256 R257 R260 R281 R262 R263 R280 R289 R299 R301 R321 R330 R331 R332 R334 247 0009 985 Chip 1OK ohm 247 0005 905 1 Chip 100 ohm 24t 73014 987 / Chip 1M ohm "247 0010"961 / Chip 22K ohm 247 0012 927 J Chip lOOK ohm 247 0010 961 Chip 22K ohm ' Chip 560 ohm 247 0006 988 247 0008 944 Chip[...]

  • Page 13

    I DN-730R Re1. No. XT501 PL601 612,' SW610, 614, 616, I 620, 622, i 624, 626, 628, 630, 632, 634, 636, 638, JK301 JK302 JK303 CNI21 CN122 CN131 CN141 205 CN191 205 CN301 205 CN302 205 W122 204 W131 203 W141 203 Wl51 204 W,_51 208 W_52 203 WARNING: • Paris marked with to safety. Be sure to use the i art" No. Part Name Remarks 399 0107 00[...]

  • Page 14

    m E)N--730R PARTS LIST OF EXPLODED VIEW Ref. No. " Part No. Part Name Remarks Hi 1 411 1000 652 i CHASSIS i 411 1000 681j CHASSIS i_ 41 l. 1000 665 ! CHASSIS 2 412 _'523 115 EARTH BRACKET o5 3 105 0787"107 BOTTOM COVER 4 3:38 0168 009 CASSE]-FE MECHANISM Europe, U.K. U.S.A., Canada Multi-Voltage WARNING: • Parts marked with _ and!o[...]

  • Page 15

    DN-730R _ EXPLODED VIEW 4 6 0 WARNING: Parts marked with this symbol /_ _ have critical characteristics. Use ONLY replacement parts recommended by the manufacturer. A C D B 15[...]

  • Page 16

    _DN-730R A D 16 EXPLODED VIEW OF CASSETTE MECHANISM • 4[...]

  • Page 17

    DN-73OR_ PARTS LIST OF CASSEI-[E MECHANISM EXPLODED VIEW Ref. No. 2 3 4 5 6 7 8 10 11 12 13 14 15 16 =', 17 18 19 20 21 24 25 26 27 28 29 3O 31 32 33 34 36 38 39 40 41 42 43 44 5! 52 53 54 Part No. 9DF 5170 49 9DF 5642 85 9DF 6121 51 9DF 6230 37 9DF G156 11A 9DF J111 17 9DU J12V 11 9DF C52E 47 9DF K26N 14 9DF D45T 17 9DF U192 11 9DF U18K 12 9D[...]

  • Page 18

    _I UN-73ON 4 A B E Lp.w. BOARD OF GU-2778 AUDIO/METER UNIT _I ,°.°° .. I i 18[...]

  • Page 19

    I ON-73ORH i "P.W. BOARD OF 3U-2603 POWER SUPPLY UNIT I ÷ DENON 3U-2605 2222603005 SW901 POWER SWJ'[CH T901 =OWER _[RANSFORMER 1 4v- e,-- JV904 E 1 (240V) Jvg03 EU.EC.EA.EK SW902 I 0 VOLTAGE I SELEC-OR I 0 JV" JV2 JV_ JV4 JV5 JV6 JV7 r. oH ->v _r w 0 "_° l CN191 Remarks 1. The following table shows the power circuit parts u[...]

  • Page 20

    _ E)N-730R SEMICONDUCTORS 1 • IC -- 5 -, E_ ,,_ Bou, • M15218AP • pPC4570C • TL4558 NclT NcIT VSS E I 0 X24C00S • X24('00S 8'-_ VCC NC ----I SCL 5-_ SDA vST[Z VRI V IN(R) I I_ PHI_ CIN1E C OU _r 1 [_ v OUT I! V OUT 12_ SN° --,,,j---- • ,uPC 1297CA _'cc vR2 PH2 _2_]V 01. f 21 _V O,. T 22 _] V Irl(0) 3 2 • NJM7908 3 2 ?[...]

  • Page 21

    I0 _Nu JT v OUT 1 E vzt_" v_ r; FIN E RIN E VCC 1 E VCC2 VZ2 v OUT2 r_ I • BA6109U1 64 65 IC2ZI2Z r--.,r-rI 40 O ==zx= L_ 80 25 i HH HHHHHHUHHHUHHUHHHHHHH2 • UPD78043 (p COM) • I ransistors .J B E E • 2SK381 • 2SA933 • 2SB562 • 2SC2603 • 2SD468 • 2SC1740 S (Source) G (Gate) D (Dra,n) 1 : Emitter 2: Collector 3: Base (2) (2) ([...]

  • Page 22

    /DN-730R L WIRING DIAGRAM ; Lch _,_q.._ REC/PB HEAD Rch .._.._ REC/PB HEAD HEAD REEL MOTOR CAPSTAN MOTOR CASSETTE MECHANISM UNIT TK SP SENSE SENSE CHROME PACK REC METAL W252 LINE IN LINE OU_ gg_ 5 ..j _ or- JK301 CN301 CN131 Lch I GND Rch W151 REEL (REW) REEL (FF) SOLENOID (-) CAPSTAN (-) + 12V SPEED-A SPEED-B CN121-1 CN121-2 CN251 SP-PULSE ÷ 5V G[...]

  • Page 23

    DN-730RI SCHEMATIC DIAGRAM j Rch REC/PB HEAD I IK R372 s LiO_ MpXIF ILTER C307 I _.O/1G DTC,43ES 1C307 uPCI297CA _250 C251 t50K O, Oi • 7/35 IC 30_ = M5218AP _i4o ,o/5o 2SK3_I[B/C] ioo Ct22 R145 I0303 HAI2i7ONT C222 t0/50 Z0304. ZD305 R_77 t. 3K SOL--K S _EEL--R la2 _EEL--F ICSOi X_ D--GND uPD78042 R133 RiS9 JOmper tOM R144 33K Jumper tOM R244 33[...]

  • Page 24

    DN-730RI[...]

  • Page 25

    DENON[...]