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Kenwood DPXMP-7050 Service Manual

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Download this manual See also: Instruction Manual
CD CASSETTE DSP RECEIVER
DPX-MP7050
QQ
3 7 63 1515 0
SERVICE MANUAL
TE
L 13942296513
www
.
DOLBY B NR
DC cord assy
(E30-6332-08)
Escutcheon assy
(B07-3046-04)
x
ao
y
i
8
Q Q
3
6 7
1 3
Remote controller assy(RC-515)
(A70-2042-05)
u163
.
2 9
9 4
2 8
© 2003-10 PRINTED IN JAPAN
B53-0095-00 ( N ) 449
Panel (FRONT)
(A64-3340-08)
1 5
0 5
8
2 9
9 4
Size AA battery
Screw set
(N99-1724-05)
m
co
9 9
2 8
9 9

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  • Page 1 CD CASSETTE DSP RECEIVER DPX-MP7050 3 7 63 1515 0 SERVICE MANUAL © 2003-10 PRINTED IN JAPAN B53-0095-00 ( N ) 449 Panel (FRONT) (A64-3340-08) L 13942296513 DOLBY B NR DC cord assy Remote controller assy(RC-515) (E30-6332-08) (A70-2042-05) Size AA battery Escutcheon assy (B07-3046-04) Screw set...
  • Page 2 3 7 6 3 1 5 1 5 0 L 1 3 9 4 2 2 9 6 5 1 3 u 1 6 3...

  • Page 3: Main Unit

    DPX-MP7050 COMPONENTS DESCRIPTION 3 7 63 1515 0 MAIN UNIT Ref. No. Application/Function Operation/Condition MAIN µ-COM Electronic Vol/MPX Electronic Vol/MPX SW IC CD/TAPE SYSTEM E'S SYSTEM E'S Buff IC9~11 Buff IC12 POWER IC IC14 MOTOR DRIVER IC15 IC16 MUTE IC17 REG IC IC105 REG IC...
  • Page 4 DPX-MP7050 COMPONENTS DESCRIPTION 3 7 63 1515 0 Ref. No. Application/Function Operation/Condition Q152 MP3/WMA SW Q153,154 MOTOR DRIVER AVR Power supply for the sub motor driver of cassette mechanism Q201,202 MUTE DRV Mute SW for PRE-OUT Q301,302 MUTE DRV Mute SW for PRE-OUT Q401 INPUT_SEL SW Q403,404...

  • Page 5: Microcomputer's Terminal Description

    DPX-MP7050 MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 SYSTEM MICROCOMPUTER : M30624MGAB15FP (MAIN UNIT : IC1) Truth Value Pin No. Pin Name Application Processing Operation Description Table DSP_RVDT DSP data output DSP_CLK DSP clock output DSP_RST DSP Reset L : Reset DSP_XLAT DSP address/data switching LX_DATA_M...
  • Page 6 DPX-MP7050 MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 Truth Value Pin No. Pin Name Application Processing Operation Description Table CD_PON Power SW for CD_DSP L : ON (While CD sourcing) PM_MOT1 Panel motor control 1 PM_MOT2 Panel motor control 2 PM_VR Panel mechanism voltage control PM_DET...
  • Page 7 DPX-MP7050 MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 Truth Value Pin No. Pin Name Application Processing Operation Description Table 2.5V : Not in operation (L, H position detection TA_R_REEL TAPE reel pulse (REV) needs to be examined.) AVSS 2.5V : Not in operation (L, H position detection TA_F_REEL TAPE reel pulse (FWD) needs to be examined.)
  • Page 8 DPX-MP7050 MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 PANEL MICROCOMPUTER : M30825MH-079GP (CONTROL UNIT : IC901) Pin No. Pin Name Application Processing Operation Description GS01 FL dot section data output terminal 1 GCLK FL dot section clock output terminal 3.3MHz Not used.
  • Page 9 DPX-MP7050 MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 Pin No. Pin Name Application Processing Operation Description PN_REQ Panel communication request output GS03 FL dot section data output terminal 3 Not used. FL_CLK FL dot section clock input terminal Not used. SEL_E2P E2PROM write request H : Write...

  • Page 10: Releasing Security Codes

    DPX-MP7050 RELEASING SECURITY CODES 3 7 63 1515 0 Below is how to release registered security codes. How to release security codes In the security code input screen (CODE ), after resetting to restart, while holding down [1] key, press [6] key for 2 seconds or more.
  • Page 11 DPX-MP7050 PC BOARD 3 7 63 1515 0 (COMPONENT SIDE VIEW) (FOIL SIDE VIEW) EQ UNIT EQ UNIT R262 C266 C263 R258 C261A C260 IC250 30 31 R256 R252B R250B R254B R253B C259B L 13942296513 S250 C262B R274 R273 R275 CN252 EQ UNIT Address...

  • Page 12: Pc Board (Component Side View)

    DPX-MP7050 PC BOARD (COMPONENT SIDE VIEW) 3 7 63 1515 0 MAIN UNIT C202 CN261 RN110 RN111 RN112 R800 R123 C870 RN108 RN117 C806 Q805 R162 IC271 R131 C501 R130 RN403 RN107 R165 R167 R219 RN106 R169 C216 D450 RN100 RN102 RN104 R107...
  • Page 13 DPX-MP7050 PC BOARD (FOIL SIDE VIEW) 3 7 63 1515 0 C462 Q201 MAIN UNIT R177 C122 R187 R176 C121 R180 D404 Q301 E B E R137 R175 C123 R188 Q202 C804 R134 C802 R186 R173 C807 R161 R156 R149 R146 R133 C809...
  • Page 14 DPX-MP7050 PC BOARD (COMPONENT SIDE VIEW) 3 7 63 1515 0 SUB UNIT CONTROL UNIT D946 D959 D958 D947 D956 D952 D957 D951 D950 D953 L 13942296513 D954 D955 CONTROL UNIT Address u163 Refer to the schematic diagram for the values of resistors and capacitors.
  • Page 15 DPX-MP7050 PC BOARD (FOIL SIDE VIEW) 3 7 63 1515 0 CONTROL UNIT SUB UNIT R919 Q904 C932 R916 R955 C937 Q906 RN905 RN903 R912 D925 R968 D926 R915 L917 D941 C926 R913 R966 R946 R965 C915 D939 TP914 RN902 R967 C924 TP913...
  • Page 16 DPX-MP7050 PC BOARD (COMPONENT SIDE VIEW) 3 7 63 1515 0 CD PLAYER UNIT X32-5420-00 (J74-1487-12) CP15 CP20 IC13 CP21 CP13 IC10 CP10 L 13942296513 CP14 CP24 CP12 CP11 CP9 R14 C31 X32-5420-00 Address Address u163 Refer to the schematic diagram for the values of resistors and capacitors.
  • Page 17 DPX-MP7050 PC BOARD (FOIL SIDE VIEW) 3 7 63 1515 0 CD PLAYER UNIT X32-5420-00 (J74-1487-12) CP17 CP23 CP16 CP18 CP22 CP19 IC11 IC12 12EJE /CLK DATA LE/LM L 13942296513 LO/EJ MOTOR E2P-WR EFLG X32-5420-00 Address Address u163 Refer to the schematic diagram for the values of resistors and capacitors.
  • Page 18 DPX-MP7050 3 7 63 1515 0 : MC30624MGAB15FP : MA8068-M : TDA7407 : IN5393G-M5 : TC4066BF(N) : MA8120-M to CHANGER MAIN UNIT : TDA7401 : 02CZ6.8-X IC7,9-11 : NJM4565MD : DAN202K : CXD2728Q-1 : 02CZ6.2-X D501 IC12 : TDA7560 D7-10,201-204,301-304 IC14 : BA6219B : S1J...

  • Page 19: Main Unit (2/5)

    DPX-MP7050 3 7 63 1515 0 R56 22K 8.1V 7.4V TUNER CONT SW ANT1 R57 2.2K 8.0V FM+B SW 4.7V 8.0V AM+B SW 10uH R54 22K R55 2.2K 8.0V L102 8.0V 52mH 8.0V C102 D508 IC15 5.1V C101 100u10 L101 4.7uH R124 R169...
  • Page 20 DPX-MP7050 3 7 63 1515 0 CASSETTE MECHA MAIN MOTOR MOTOR CN260 R272 100 R342 R302 R301 C307 IC270 IC270 10u16 MOTOR DRIVER C309 13.0V 220P 4.2V 7.9V 0.1V BUFF R343 R270 10 1/2W 4.2V 4.2V R271 C274 C273 0.047 1/2W 0.047 C506...

  • Page 21: Main Unit (4/5)

    DPX-MP7050 3 7 63 1515 0 SYSTEM E'S C326 R422 0.33 HPRR0 HPRR2 C327 HPRL0 3.9V 0.33 C226 OREF HPRR1 0.33 HPFR0 HPRL2 C227 3.9V HPFL0 0.33 4.0V C324 OUT LF HPRL1 4.0V 0.33 AUXOL C402 C403 4.0V OUT RF HPFR2 0.47 0.47...
  • Page 22 DPX-MP7050 3 7 63 1515 0 DTA123JK 2SB1188 FMW1 2SB1184 DTC114YUA DTC143TUA 2SD1819A POWER AMP IC12 PGND2 R422 5.0V 6.8V OUT2- STBY 14.3V 6.8V OUT2+ VCC1 6.8V IMD16A 2SB1548 2SC4081 DTA114EUA OUT1- PGND1 6.8V C459 OUT1+ DTA124EUA 33u16 6.8V DTA143EUA C402 C403 R427...
  • Page 23 DPX-MP7050 3 7 63 1515 0 CONTROL UNIT VFD1 5.1V C910 0.01 R989 R988 R987 R907 C922 C934 2.2K 0.47 R963 47K CN901 R986 Q901 R962 47K FAC- C933 DISPLAY 0.47 1.0V 0.5V FAC+ BLANKING SW Q901 TP935 R964 5.1V FL+B(50V) TP934 FL GND...
  • Page 24 DPX-MP7050 3 7 63 1515 0 RN913 TP940 RN904 RN914 100K TP941 TP942 RN908 1.2V 5.0V SP DATA IN 4.9V DSP CLK 0.1V RN917 5.1V SP INT C916 5.1V 100K R957 GLAT 4.7K 0.1V R980 5.1V 0.1V 4.7K RN911 PN SC CON 5.0V SYS REQ RN916...
  • Page 25 DPX-MP7050 3 7 63 1515 0 (X32-5420-00) A3.3V DM2 (X92- ) LOADING & SLD+ SLED MOTOR AUDIO L.P.F SLD- 4700P 2.7K IC2 (2/2) 330P 2.7K IC2 (1/2) 4ch BTL DRIVER A3.3V A.8V SW 3.3V AVR 330P 1500P (AUDIO) DM1 (X92- ) SPINDLE SPD- MOTOR...
  • Page 26 DPX-MP7050 3 7 63 1515 0 A3.3V A3.3V D2.5V 4.7K +2.5V +3.3V 100K (AUTO POWER CONTROL) CP12 CP11 100K 100K 100K 100K IOP1 2.5V VDD22 +2.5V 3.3V IOP2 +3.3V VDD34 3.3V HAD6 3.3V 3.3V HAD7 MCK48 HAD8 MCK44 HAD9 GND21 GND34 3.3V VDD32...
  • Page 27 DPX-MP7050 3 7 63 1515 0 VREF FCS+ UTO POWER +3.3V +3.3V +3.3V ONTROL) TRK+ TRK- FCS- AGCO 1500P DPU1 1500P 1500P A3.3V (X93- ) 1500P 160K CP15 4.7K 1500P OPTICAL 3.3V PICKUP CP23 1.65V RGND 3.3V 3.3V AGND TEST3 AB12 TEST2 AB11...
  • Page 28 DPX-MP7050 EXPLODED VIEW (CD MECHANISM) 3 7 63 1515 0 DPU1 L 13942296513 DFPC1 (X32) φ : N09-4460-05 : N09-4472-05 M1.7x8.5 M1.7x2.5 : N09-6004-05 M2x2 : N09-6007-05 u163 φ : N09-6051-05 2x6(BLK) : N19-2163-04 1.6 WASHER : N39-2020-46 M2x2 : N09-6108-05 M2x3.5 φ...
  • Page 29 DPX-MP7050 EXPLODED VIEW (CASSETTE MECHANISM) 3 7 63 1515 0 L 13942296513 CFC1 φ 2x2.5 N09-4324-08 WASHER N19-2136-08 M2x13 N09-4325-08 φ N09-4326-08 M2x3 N09-4058-08 WASHER N19-2038-08 u163 WASHER N19-2136-08 WASHER N19-2137-08 WASHER N19-2138-08 N09-4327-08 WASHER N19-2139-08 Parts with the exploded numbers larger than 700 are not supplied.

  • Page 30: Exploded View (Unit)

    DPX-MP7050 EXPLODED VIEW (UNIT) 3 7 63 1515 0 Size AA battery φ2x3.4 N09-4468-05 DME1 φ2.6x3.2 N09-4469-05 M2.6x5.8 N09-4480-15 M3x4 N30-3004-46 M3x14 N30-3014-46 φ2x4 N50-2004-46 φ2x4 N86-3006-46 M3x6 N35-3006-46 φ3x10 N80-3010-46 L 13942296513 CME1 MAIN ANT1 EQ PWB MAIN PWB FPC1 SUB PWB u163...

  • Page 31: Exploded View (Panel)

    DPX-MP7050 EXPLODED VIEW (PANEL) 3 7 63 1515 0 M1.4x8.5 N09-4465-05 M1.4x7.8 N09-4466-05 M2x2.5 N09-4467-05 φ1.7x4 N09-6160-08 φ2x10 N80-2010-45 φ2x4 N82-2004-46 φ2x6 N82-2006-46 CONTROL PWB L 13942296513 VFD1 u163 Parts with the exploded numbers larger than 700 are not supplied.
  • Page 32 DPX-MP7050 EXPLODED VIEW (PANEL MECHANISM) 3 7 63 1515 0 M1.7x2 (BLK) : N09-6014-08 M1.7x6 (BLK) : N09-6015-08 M2x2 (BLK) : N38-2020-46 M2x2 (BLK) : N09-6017-08 M2x2.5 (BLK) : N38-2025-45 M2.6x3 (BLK) : N38-2630-45 M2.6x4 : N32-2604-46 E RING : N29-0526-08 E RING : N29-0527-08 WASHER...

  • Page 33: Parts List

    B19-2240-08 LIGHTING BOARD (VOL) N09-6160-08 MACHINE SCREW (1.7X4) B19-2241-08 LIGHTING BOARD (VOL) N30-3014-46 BINDING HEAD MACHINE SCREW L 13942296513 B43-1298-04 KENWOOD BADGE N80-2010-45 PAN HEAD TAPTITE SCREW N82-2004-46 BINDING HEAD TAPTITE SCREW D14-0761-04 ROLLER N82-2006-46 BINDING HEAD TAPTITE SCREW D14-0762-04...
  • Page 34 DPX-MP7050 PARTS LIST 3 7 63 1515 0 New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. MAIN UNIT Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Ref.
  • Page 35 DPX-MP7050 PARTS LIST 3 7 63 1515 0 New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. MAIN UNIT Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Ref.
  • Page 36 DPX-MP7050 PARTS LIST 3 7 63 1515 0 New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. MAIN UNIT Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Ref.
  • Page 37 DPX-MP7050 PARTS LIST 3 7 63 1515 0 New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. MAIN UNIT Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Ref.
  • Page 38 DPX-MP7050 PARTS LIST 3 7 63 1515 0 New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. MAIN UNIT Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Ref.

  • Page 39: Control Unit

    DPX-MP7050 PARTS LIST 3 7 63 1515 0 New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. SUB UNIT Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Ref.
  • Page 40 DPX-MP7050 PARTS LIST 3 7 63 1515 0 New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. CD PLAYER UNIT (X32-5420-00) Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Ref.
  • Page 41 DPX-MP7050 PARTS LIST 3 7 63 1515 0 New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. CD PLAYER UNIT (X32-5420-00) Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Ref.
  • Page 42 DPX-MP7050 PARTS LIST 3 7 63 1515 0 New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. PANEL MECHANISM ASSY (D40-1184-05) Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Ref.
  • Page 43 DPX-MP7050 PARTS LIST 3 7 63 1515 0 CAPACITORS 2 2 0 • Capacitor value CC45 Color* 010 = 1pF 0 = 22pF 1 = Type ... ceramic, electrolytic, etc. 4 = Voltage rating 100 = 10pF 2 = Shape ... round, square, etc. 5 = Value 101 = 100pF Multiplier...

  • Page 44: 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 2019 New Pechburi Road, Bangkapi, Huaykwang, Bangkok, 10320 Thailand Rembrücker-Str.

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