Denon DN-730R, Service Manual

Page 1: ...PARTS LIST OF 3U 2584 AUDIO METER UNIT 11 13 PARTS LIST OF 3U 2063 POWER SUPPLY UNIT 13 PARTS LIST OF EXPLODED VIEW 14 EXPLODED VIEW 15 EXPLODED VIEW OF CASSEq I E MECHANISM 16 PARTS LIST OF CASSEqq E...

Page 2: ..._ ON 730R...

Page 3: ...l tape More than 40 dB at 1 kHz More than 65 dB at 1 kHz 0 055 WRMS JIS method _ 0 14 w peak 80 mV 20 dBm input level at maximum Input impedance 50 kohm unbalanced 775 mV 0 dB output level at maximum...

Page 4: ..._BLO cK DI_A_G_B_A_M_ z 1...

Page 5: ...PHONE AMP PHONES T_ 04 iC306 OUT LINE OUT LINE _UTE _ ___ I TdB _HONES OUT LCAD B Q J_ Io_B L NEO0 OdB 775mV RECORDING SYSTEM INPUT FREQUENCY 400 Hz L KE INPUT N_ Z VOLUME iNPUT FRE QUE NC L_n t pen...

Page 6: ...ire _ CN302_ circuit Meter circuit W131 3P _ CN131 board board 23PFFC _CB121 I Remove Volume Knob and Volume Knob C Remove the four retaining screws 2 6 6 CBTS S Z 3 x 10 CBTS P B holding the Mecha Br...

Page 7: ...in the directions of the arrows shown below the audio circuit board can be pulled forward Power supply circuit b0crd 7F TBG Screw 3x10 Ccrew I 3X 8 circuit board Note Almost all of the servire repair...

Page 8: ...Solder the HEAD WIRE according to the diagram mechanism re ordingiplayback head 4 Replacing the ERASE HI AD 15 1 Unscrew the erase head holding screws 53 2 By unsoldering the HEAD W RES can be taken o...

Page 9: ...justment points RT305 on the P W BOARD 222 2778 so that the frequency counter will have a reading within the range of 3 000 Hz 6 Hz Fig 3 1 PB Amp 0UT SONY TY 224 F Counter 3000 Hz 6Hz r i d i i _ _ o...

Page 10: ...bon 2B 1 SW F 1 P Pulse resistanltype RC Composition 2E 1 4W G 2 NL Low noise type RS Metal oxide film 2H 1 2W I J 5 NB Non burmng type RW Winding 3A lW J K 10 FR Fuse resistor RN Metal film 3D 2W M t...

Page 11: ...06 Zener Diode HZS9B 1TD ZD531 276 0468 906 Zener Diode HZS9B 1TD 2D551 276 0457 904 Zener Diode HZS4C 1TD ZD552 276 0465 909 I Zener Diode HZS7B 1TD 2 D907 276 0463 901 Zener Diode HZS6C 1TD 210912 2...

Page 12: ...253 C2 54 C255 C350 C352 C353 C354 C355 C356 C402 C403 C501 _504 C506 C507 C509 510 C512 513 C515 516 C517 C551 552 C553 C554 C555 C60 603 C604 C902 903 C906 907 C908 C910 C911 C913 C918 R126 R169 i 2...

Page 13: ...ector Base KR PH i J 205 02143 032 3P Connector Base KR PH i 0343 049 4PConnector Base KRPH 0711 075 7P TBG Connector Base 0343 05 LB_coonector Base KR PH _ 02_43 Q32 3P Ccnnector Base KR PH 0265 _78...

Page 14: ...3 0655 009 37 463 0659 018 38 1 33 1660 007 39 421 9007 007 40 414 0595 015 41 203 2279 014 45 1 32 0434 419 46 473 8047 001 47 412 3676 207 48 412 3628 006 49 463 8238 004 50 412 3677 015 51 445 8028...

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: ...K SENSOR LEVER METAL SENSOR LEVER MAIN BELT POLY WASHER 2 6 x 0 25T POLY WASHER 2 6 X 0 5T EJECT PROTECT SPRING SLIDE SPRING FLYWHEEL Ass y PINCH ROLLER Ass y R SCREW 2 6 x 5 ZN SCREW WITH STEP 7 7 E...

Page 18: ..._I UN 73ON 4 A B E Lp w BOARD OF GU 2778 AUDIO METER UNIT _I I i 18...

Page 19: ...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 used for the 3U 2603 board by area 2 Parts used are marked O arts not used F Ref...

Page 20: ...SCL 5 _ SDA vST Z VRI V IN R II_ PHI_ CIN1E C OU _r 1 _ v OUT I V OUT 12_ SN j uPC 1297CA _ cc vR2 PH2 _2_ V 01 f21 _V O T22 _ V Irl 0 3 2 NJM7908 3 2 NJM7808 NJM7806 3 GND 2 INPUT OUTPUT 3 INPUT 2 G...

Page 21: ...r 2 Collector 3 Base 2 2 2 3 R i 3 3 B C R i B O _ B R2f I 1 1 l 1 _ E _ E L O E 1 Emitter 2 Base 3 Collector DTA143ES DTC124ES DTC114TS DTA144WS DTC124XS DTC143ES DTC144ES 2 R 3 2 R 3 _ t I_ c c K2 _...

Page 22: ...GND Rch W151 REEL REW REEL FF SOLENOID CAPSTAN 12V SPEED A SPEED B CN121 1 CN121 2 CN251 SP PULSE 5V GND TK PULSE GU 2778 1 AUDIO P W B B REMOTE GND CN141 SPEED C SPEED D GNO MOTOR CN191 COMMON CHROME...

Page 23: ...e _VR30 301 I m e K INPUT V_q I Rch ACK _ 3_1_77B CNl3i Wi31 _ PHONE I LL STOP PAUSI REMOTE CONTROL JACK JK303 MINIJACK oor_mcn ipJumper R335 Iq3361 1337 0 00_ O OOl 0 001 0 001 0504 F L60 i I FIP6BGM...

Page 24: ...DN 730RI...

Page 25: ...DENON...