Kenwood DPX-3070 Service Manual
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Kenwood DPX-3070 Service Manual

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See also: Instruction Manual
CD CASSETTE RECEIVER
DPX-3070
QQ
3 7 63 1515 0
DPX-3070B
SERVICE MANUAL
PANEL
DPX-3070 : (A64-3562-08)
DPX-3070B : (A64-3557-08)
TE
L 13942296513
REMOTE CONTROLLER ASSY (RC-505)
(A70-2059-05)
www
BATTERY
(Not supplied)
.
DC CORD ASSY
(E30-6405-08)
x
ao
u163
y
i
2 9
8
FRONT GLASS ASSY
DPX-3070 : (B10-4676-08)
DPX-3070B : (B10-4673-08)
Q Q
3
6 7
1 3
1 5
SCREW SET
(N99-1724-05)
co
.
9 4
2 8
© 2004-7 PRINTED IN JAPAN
B53-0188-00 ( N ) 378
0 5
8
2 9
9 4
2 8
ESCUTCHEON ASSY
(B07-3046-04)
m
9 9
9 9

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Summary of Contents for Kenwood DPX-3070

  • Page 1 3 7 63 1515 0 DPX-3070B SERVICE MANUAL © 2004-7 PRINTED IN JAPAN B53-0188-00 ( N ) 378 PANEL FRONT GLASS ASSY DPX-3070 : (A64-3562-08) DPX-3070 : (B10-4676-08) DPX-3070B : (A64-3557-08) DPX-3070B : (B10-4673-08) L 13942296513 REMOTE CONTROLLER ASSY (RC-505) DC CORD ASSY...

  • Page 2: Block Diagram

    DPX-3070/3070B BLOCK DIAGRAM 3 7 63 1515 0 MAIN UNIT DPX-05MD PRE OUT DPX-3070 (FRONT) DPX-MP4070 TU221 IC301 IC101 IC601 INPUT POWER TUNER SP OUT E. VOL SELECTOR BASS/TRE/FADER PRE OUT (REAR/N-FAD) IC12 DPX-04 DPX-3070 DPX-3070 DPX-MP4070 AUDIO 8V DPX-MP4070...

  • Page 3: Main Unit

    DPX-3070/3070B COMPONENTS DESCRIPTION 3 7 63 1515 0 MAIN UNIT Ref. No. Application/Function Operation/Condition Ref. No. Application / Function Operation / Condition Power supply for Q861,862 MOTOR+B SW MAIN µ-COM Main microcomputer cassette motor RESET Q863,864 A8V AVR 8V power supply for audio...

  • Page 4: Microcomputer's Terminal Description

    DPX-3070/3070B MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 MAIN µ-COM : MN101C49KWG (MAIN UNIT : IC1) Active Pin No. Pin Name Application Processing Operation (H/L) µ-com reference voltage (–) VREF- REEL S Cassette mechanism reel rotation detection REEL T...
  • Page 5 DPX-3070/3070B MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 Active Pin No. Pin Name Application Processing Operation (H/L) L CE Data latch to LCD driver LCD BLIGHT G LCD back light control (Green) PWM control Power supply terminal for flash memory writing...

  • Page 6: Key Matrix Table

    DPX-3070/3070B MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 Active Pin No. Pin Name Application Processing Operation (H/L) CD MOTOR CD motor control terminal SW MUTE Mute control for switch During mute : L PWIC STBY Power IC standby control...
  • Page 7 DPX-3070/3070B MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 CD MECHANISM CONTROL IC : 789166YGB-A513 (X32 : IC1) Pin No. Name Description Processing Operation Less than 54h : Normal condition, ZMUTE L 0-bit MUTE detect (Lch) More than 54h : 0-bit mute detect...

  • Page 8: Test Mode

    DPX-3070/3070B TEST MODE 3 7 63 1515 0 • The settings for Q, Feq, and Ex are fixed. How to enter the test mode • In order to enter the test mode, while pressing down [ATT] + [WOW] keys simultaneously, press [SRC] key.
  • Page 9 DPX-3070/3070B TEST MODE 3 7 63 1515 0 Test mode (Accumulated elapse time display) Coping with backup current measurement • When in this mode, the mode for “Accumulated Elapse Time • Regardless of the Test Mode, when reset in the ACC OFF Display”...

  • Page 10: Pc Board (Component Side View)

    DPX-3070/3070B PC BOARD (COMPONENT SIDE VIEW) 3 7 63 1515 0 MAIN UNIT CN201 R630 D283 JW23 R622 JW22 C202 R212 CN801 L801 D203 C808 C209 C805 D204 D804 CN291 C201 C207 D205 D201 D806 CN292 D207 D206 C206 D802...
  • Page 11 DPX-3070/3070B 3 7 63 1515 0 EQUALIZER UNIT R630 D283 R622 CN271B CN271A C260 R277 R278 R287 CN331 C332 C274 C262A ANT221 C283 C273 D331 C259A C236 L221 C239 R236 C234 L 13942296513 R239 R238 D101 C374 C102 C221 C103...
  • Page 12 DPX-3070/3070B PC BOARD (FOIL SIDE VIEW) 3 7 63 1515 0 MAIN UNIT MAIN UNIT C624 C625 D282 R867 R868 TP70 R281 R271 TP72 TP88 TP74 R272 TP75 R282 TP69 C334 TP77 TP86 R334 D271 D273 R284 R283 TP76 TP78...
  • Page 13 DPX-3070/3070B 3 7 63 1515 0 EQUALIZER UNIT TP93 TP92 TP90 TP94 TP91 TP89 R253A TP83 R257 TP84 C250A TP80 R250A TP85 C250B C251A C203 R250B TP81 R261 TP82 C251B R262 R252B C258A C256B IC250 D805 D810 R815 R818 R816...

  • Page 14: Control Unit

    DPX-3070/3070B PC BOARD (COMPONENT SIDE VIEW) 3 7 63 1515 0 CONTROL UNIT IC921 L 13942296513 CONTROL UNIT Ref. No. Address IC921 u163 D943 Refer to the schematic diagram for the values of resistors and capacitors.
  • Page 15 DPX-3070/3070B PC BOARD (FOIL SIDE VIEW) 3 7 63 1515 0 CONTROL UNIT R922 Q921 C983 C982 C981 R911 C906 R910 R904 TP902 C905 R909 R905 C904 R906 R908 C903 R907 C907 R903 C901 L 13942296513 TP911 C987 RN902 C986...
  • Page 16 DPX-3070/3070B PC BOARD (COMPONENT SIDE VIEW) 3 7 63 1515 0 CD PLAYER UNIT X32-5490-01 (J74-1551-02) L 13942296513 X32-5490-01 Ref. No. Address u163 Refer to the schematic diagram for the values of resistors and capacitors.
  • Page 17 DPX-3070/3070B PC BOARD (FOIL SIDE VIEW) 3 7 63 1515 0 CD PLAYER UNIT X32-5490-01 (J74-1551-02) Vref SPDL SLED DRVMUTE LOE&LIM LOE/LIM S.GND S.7.5V /MSTOP LO/EJ /MSTOP A.GND /MRST /MUTER /MUTEL /MUTEL A.+8V /MUTER SLED OUT DATA SPDL- /LOAD 8EJE...
  • Page 18 B LINE R250B R250A 100K 100K C250B C250A 470P 470P DPX-3070/3070B (1/3) 1 2 3 4 5 CN250 CAUTION : For continued safety, re- MAIN UNIT- CN351 place safety critical components only with manufacturer’s recommended parts (refer to parts list).
  • Page 19 DPX-3070/3070B 3 7 63 1515 0 F1 10A (F52-0006-05) MAIN UNIT CN801 CN201 FUSE Q852-854 S7.5V AVR ∗ R853 R854 FU802 Q854 TP60 Q853 C801 R851 R852 R821 3900u16 BU14V 3.3K Q852 1/2W D801 Q851 C805 C12 0.1 0.022 RN201...
  • Page 20 DPX-3070/3070B 3 7 63 1515 0 ∗ Q856 TP61 Q855 Q858 TP64 D820 R857 5.0V Q860 D5V AVR Q857 TP65 1/2W R856 R629 BU5V PWIC SW5V IC601 Q859 Q277,287 SW5V PRE MUT 7.1V 7.1V 7.1V ∗ C859 ∗ TP63 Q862...
  • Page 21 DPX-3070/3070B 3 7 63 1515 0 ∗ ∗ CN271A CN271B ANT221 ∗ TP75 TP73 TP70 TP69 TP68 TP72 TP74 ∗ DSP221 TP71 R224 D282 ∗ D272 L221 R284 R283 52uH D281 R274 R273 C282 C281 L222 D273 2200P 2200P Q271,272,281,282...
  • Page 22 Q856,867 : 2SB1184 DSP221 : DSP-201M-S00B • DC voltages are as measured with a high impedance voltmeter. Q862,869 : 2SA1703(R,S,T) Q865 : IMD2A Values may vary slightly due to variations between individual instruments or/and units. DPX-3070/3070B (2/3) MAIN UNIT (4/4)
  • Page 23 DPX-3070/3070B 3 7 63 1515 0 CONTROL UNIT (A/3) (C/3) D982 : B30-1599-05 6 5 4 6 5 4 R933 Q905 R932 Q904 REMOTE IC921 R931 Q903 CN901 5.0V TP901 ESD-G C922 TP902 D-GND TP903 L-DATAO RN901 5.0V TP904 L-DATAI...
  • Page 24 DPX-3070/3070B 3 7 63 1515 0 L 13942296513 DPX-3070/3070B (3/3) CAUTION : For continued safety, replace safety critical components only with manufacturer’s recommended parts (refer to parts list). Indicates safety critical components. To reduce the risk of electric shock, leakage-current or resistance measurements...
  • Page 25 DPX-3070/3070B CD PLAYER UNIT (X32-5490-01) 3 7 63 1515 0 C19 0.1 16.934 3.3V DVDD 3.3V 1.65V C1D1 3.3MHz C1D2 1.5MHz CP6 1K LOE & LIM SW SHOCKD LOCK 3.3V LOCK MIRR WFCK/MIRR HOLD R3 1K RFCK/HOLD 12EJE CD RF/SERVO/...
  • Page 26 DPX-3070/3070B 3 7 63 1515 0 DIGITAL LINE AUDIO LINE GND LINE B LINE R20 4.7K : 789166YGB-A513 : NJM2880U133 1000P : UPD63712GC 3.3V : BA5824FP-F RFOK : DTA114YUA 3.3V : 2SB0970 IOP1 : DTC114YUA PWMSW IOP2 100K 5.0V : DAN202UF...
  • Page 27 DPX-3070/3070B EXPLODED VIEW (CD MECHANISM) 3 7 63 1515 0 DPU1 L 13942296513 DFPC1 (X32) φ : N09-4460-05 M1.7x8.0 : N09-4472-15 M1.7x2.5 : N09-6004-05 : N09-6007-05 M2x2 u163 φ : N09-6051-05 2x5(BLK) : N19-2163-04 1.6 WASHER : N39-2020-46 M2x2 : N09-6108-05 M2x3.5...
  • Page 28 DPX-3070/3070B EXPLODED VIEW (CASSETTE MECHANISM) 3 7 63 1515 0 φ2x 2.5 N09-4324-08 WASHER N19-2136-08 M2x13 N09-4325-08 φ2x3 N09-4326-08 M2x3 N09-4058-08 WASHER N19-2038-08 WASHER N19-2136-08 WASHER N19-2137-08 WASHER N19-2138-08 N09-4327-08 M3X3.5 N09-4329-08 WASHER : N19-2139-08 L 13942296513 u163 Parts with the exploded numbers larger than 700 are not supplied.

  • Page 29: Exploded View (Unit)

    DPX-3070/3070B EXPLODED VIEW (UNIT) 3 7 63 1515 0 N86-3006-48 N83-3004-48 DME1 N86-3008-45 N09-6300-08 N83-3008-45 CME1 L 13942296513 EQUALIZER UNIT (MAIN UNIT) IC601 Refer to the next page MAIN UNIT u163 Parts with the exploded numbers larger than 700 are not supplied.

  • Page 30: Exploded View (Panel)

    DPX-3070/3070B EXPLODED VIEW (PANEL) 3 7 63 1515 0 N82-2006-48 N09-6281-08 CONTROL UNIT (CONTROL UNIT) LCD901 L 13942296513 u163 Parts with the exploded numbers larger than 700 are not supplied.

  • Page 31: Parts List

    B07-3046-04 ESCUTCHEON ASSY MAIN UNIT B10-4589-08 FRONT GLASS B10-4673-08 FRONT GLASS ASSY (DPX-3070B) M1 CE04CW1A101M ELECTRO 100UF 10WV B10-4676-08 FRONT GLASS ASSY (DPX-3070) M C2,3 CK73GB1H103K CHIP C 0.010UF K B11-1468-08 OPTICAL DIFFUSER CC73GCH1H220J CHIP C 22PF CC73GCH1H200J CHIP C...
  • Page 32 1.0K J 1/10W C830 CK73GB1H103K CHIP C 0.010UF K RK73GB2A102J CHIP R 1.0K J 1/10W M : DPX-3070 M1 : DPX-3070B Indicates safety critical components. (E : Europe K : North America M : Other Areas W : Without Europe)
  • Page 33 J 1/10W R201 RK73EB2E470J CHIP R J 1/4W R374 RK73GB2A104J CHIP R 100K J 1/10W M : DPX-3070 M1 : DPX-3070B Indicates safety critical components. (E : Europe K : North America M : Other Areas W : Without Europe)
  • Page 34 1K X2 Q287 DTA124EUA DIGITAL TRANSISTOR RN18 R90-1071-08 MULTI-COMP 47 X2 Q802 DTC114YUA DIGITAL TRANSISTOR M : DPX-3070 M1 : DPX-3070B Indicates safety critical components. (E : Europe K : North America M : Other Areas W : Without Europe)

  • Page 35: Equalizer Unit

    C1,2 CK73GB1H222K CHIP C 2200PF R256 RK73GB2A223J CHIP R J 1/10W CK73FB1A225K CHIP C 2.2UF M : DPX-3070 M1 : DPX-3070B Indicates safety critical components. (E : Europe K : North America M : Other Areas W : Without Europe)
  • Page 36 CHIP R 100K J 1/10W D10-4596-24 D13-2151-04 GEAR R13-15 RK73GB2A101J CHIP R J 1/10W D13-2152-04 GEAR M : DPX-3070 M1 : DPX-3070B Indicates safety critical components. (E : Europe K : North America M : Other Areas W : Without Europe)
  • Page 37 GUID D15-0919-08 PULLEY D13-1497-08 GEAR u163 J21-9458-08 MOUNTING HARDWARE G02-1332-08 FLAT SPRING D13-1498-08 RACK (GEAR) M : DPX-3070 M1 : DPX-3070B Indicates safety critical components. (E : Europe K : North America M : Other Areas W : Without Europe)

  • Page 38: Specifications

    KENWOOD ELECTRONICS UK LIMITED P.O. Box 61318, Jebel Ali, Dubai, U.A.E. Kenwood House, Dwight Road, Watford, Herts, WD18 9EB, United Kingdom KENWOOD ELECTRONICS (THAILAND) CO., LTD. KENWOOD ELECTRONICS DEUTSCHLAND GMBH 956 Udom Vidhya Building (Olympia) Rama IV Road, Silom, Bangrak, Bangkok 10500 Thailand Rembrücker-Str.

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