Instruction/ maintenance manual of the product DN-730R Denon
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IDENON SERVICE MANUA MODEL DN-730R STEREO CASSE'I-I'E TAPE DECK -- TABLE OF CONTENTS -- SPECIFICATIONS ..........................................................................................................................................
_ ON--730R.
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 Separat.
[ _BLO cK DI_A_G_B_A_M_ z 1.
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 .
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.
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.
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.
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.
_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.
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.
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 1.
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.
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.
DN-730R _ EXPLODED VIEW 4 6 0 WARNING: Parts marked with this symbol /_ _ have critical characteristics. Use ONLY replacement parts recommended by the manufacturer.
_DN-730R A D 16 EXPLODED VIEW OF CASSETTE MECHANISM • 4.
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.
_I UN-73ON 4 A B E Lp.w. BOARD OF GU-2778 AUDIO/METER UNIT _I ,°.°° .. I i 18.
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.
_ 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.
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 .
/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 .
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.
DN-730RI.
DENON.
An important point after buying a device Denon DN-730R (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Denon DN-730R yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Denon DN-730R - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Denon DN-730R you will learn all the available features of the product, as well as information on its operation. The information that you get Denon DN-730R will certainly help you make a decision on the purchase.
If you already are a holder of Denon DN-730R, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Denon DN-730R.
However, one of the most important roles played by the user manual is to help in solving problems with Denon DN-730R. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Denon DN-730R along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
