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Kenwood DPX-8030MD Service Manual

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Download this manual See also: Instruction Manual
MD CD DSP RECEIVER
DPX-8030MD
QQ
3 7 63 1515 0
SERVICE MANUAL
This service manual dose not include information on the CD and MD mechanism assembly (exploded view, parts
list, schematic diagram and mechanism oparation description).
For such information, please refer to the CD mechanism assambly service manual (X92-4470-00 : B51-7899-00)
and MD mechanism assambly service manual (X92-4570-00 : B51-7887-00).
TE
L 13942296513
PANEL ASSY
(A64-2731-02)
REMOTE
CONTROLLER
ASSY
(A70-2028-05)
ESCUTCHEON
(B07-3025-02)
www
.
EJECT
AUD/
X
CD
DSP
EQ
MD
MD CD DSP RECEIVER
NAME
DISP
SCRL
SCN
ANG
ANGLE
RTN
x
ao
u163
y
i
2 9
8
COMPACT
DIGITAL AUDIO
TEXT
over
FNC
CLK
SEL
S.A
Anti-Theft System Installed
50Wx4 MOS FET
System E's+
Q Q
RDM
G.RDM
REP
3
6 7
1 3
M.RDM
1 5
SRC
PWR OFF
MACHINE SCREW
(N09-6027-05)
co
.
9 4
2 8
2002-4 PRINTED IN JAPAN
C
B51-7924-00 (4) 517
TUNE/SEEK
MDLP
DEMO
0 5
8
2 9
9 4
FM+
DISC
AM
ATT
CRSC
KNOB (VOL.)
(K23-1064-03)
SCREW SET
(N99-1724-05)
DC CORD
(E30-4939-05)
m
9 9
2 8
9 9

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Summary of Contents for Kenwood DPX-8030MD

  • Page 1 MD CD DSP RECEIVER DPX-8030MD 3 7 63 1515 0 SERVICE MANUAL 2002-4 PRINTED IN JAPAN B51-7924-00 (4) 517 This service manual dose not include information on the CD and MD mechanism assembly (exploded view, parts list, schematic diagram and mechanism oparation description).
  • Page 2 3 7 6 3 1 5 1 5 0 IC12 PWR IC E-VOL SYSTEM E-VOL E’S INPUT MUTE SP OUT FM : 603mV FM : 1979mV AM : 428mV AM : 626mV CD : 1346mV CD : 3512mV MD : 1346mV MD : 3512mV CH : 1346mV AUX : 455mV...
  • Page 3 DPX-8030MD COMPONENTS DESCRIPTION 3 7 63 1515 0 • SYNTHESIZER UNIT (X14-6980-21) Ref No. Application/Function Operation/Condition/Compatibility System µ-com Input selector & electronic volume Input source switching, SP=OUT/PRE-OUT electronic volume. Generates BU 5V supply from B.UP, Power supply IC and AUD 8V supply and DSP(D)3.3V supply and PCON output.
  • Page 4 DPX-8030MD COMPONENTS DESCRIPTION 3 7 63 1515 0 Ref No. Application/Function Operation/Condition/Compatibility Turns on when base goes Lo and sends a reset signal to the system Q101 RST DRIVER µ-com/panel µ-com/changer. Turns on when base goes Hi and resets the system µ-com.
  • Page 5 DPX-8030MD MICROCOMPUTER'S TERMINAL DESCRIPTION 3 7 63 1515 0 (X14-) IC1 : System µ-com PIN No. Pin Name Description Processing Operation DSP RVDT DSP data output terminal DSP CLK DSP clock output terminal 500kHz DSP RST DSP reset terminal L reset, Low pulse width : 450ms...
  • Page 6 DPX-8030MD MICROCOMPUTER'S TERMINAL DESCRIPTION 3 7 63 1515 0 PIN No. Pin Name Description Processing Operation SP REQ Spectrum analyzer enable output PN SCCON Panel communications line (Flash CE) Active at L SEL E2PROM E2PROM inserted/not inserted Writes at H...
  • Page 7 DPX-8030MD MICROCOMPUTER'S TERMINAL DESCRIPTION 3 7 63 1515 0 PIN No. Pin Name Description Processing Operation PMODE Panel position sensor input terminal (A/D input) Vth is set in test mode CD DET CD photosensor terminal L: CD present (A/D input) Vth: 2.2 volts...
  • Page 8 DPX-8030MD MICROCOMPUTER'S TERMINAL DESCRIPTION 3 7 63 1515 0 PIN No. Pin Name Description Processing Operation GS03 FL dot section data output terminal 3 Not used L: Fixed FL CLK FL dot section clock input terminal Not used L: Fixed...
  • Page 9 DPX-8030MD MICROCOMPUTER'S TERMINAL DESCRIPTION 3 7 63 1515 0 PIN No. Pin Name Description Processing Operation External bus DATA 11 External bus DATA 10 External bus DATA 9 External bus DATA 8 External bus DATA 7 External bus DATA 6...

  • Page 10: Test Mode

    DPX-8030MD TEST MODE 3 7 63 1515 0 How to enter the test mode Panel slot disc sensor (CD) •Test Mode 1, reset while holding down the 1 & 3 keys. Sensor status used for detecting if CD is inserted in slot at •Test Mode 2, reset while holding down the 1 &...
  • Page 11 DPX-8030MD TEST MODE 3 7 63 1515 0 Adding tuner functions Call up alignment mode by holding down the SEL key in Current track Search target Tracks other than shown below No.7 tuner:source, select the following items with the No.7 No.2...
  • Page 12 DPX-8030MD ADJUSTMENT (X16-1710-00) 3 7 63 1515 0 Adjusting the CD disc sensor phototransistor de- When CD detector voltage is LESS THAN target value tection voltage (ver1.0) ∗ Turn VR3 clockwise (to right) so CD Detector terminal vo- ltage is between 0.8 to 1.2 volts.
  • Page 13 PC BOARD (Component side view) PC BOARD (Foil side view) 3 7 6 3 1 5 1 5 0 SWITCH UNIT (X25-9320-00) SWITCH UNIT (X25-9320-00) X25-9320-00 (J74-1358-12) X25-9320-00 (J74-1358-12) VOL. VOL. CP16 CP15 CP10 CP14 CP13 CP11 1 3 9 4 2 2 9 6 5 1 3 CP21 CP19 CP22...
  • Page 14 PC BOARD (Component side view) 3 7 6 3 1 5 1 5 0 SYNTHESIZER UNIT (X14-6980-21) SUB CIRCUIT UNIT (X16-1710-00) X16-1710-00 (J74-1360-02) X14-6980-00 (J74-1356-12) 13 11 12 8 9 10 6 C334 C234 C338 C230 C451 C233 C413 C238 C340 C232 C229...
  • Page 15 PC BOARD (Foil side view) 3 7 6 3 1 5 1 5 0 SYNTHESIZER UNIT (X14-6980-21) SUB CIRCUIT UNIT (X16-1710-00) X14-6980-00 (J74-1356-12) X16-1710-00 (J74-1360-02) D412 C235 C335 C237 C337 R232 R332 R235 R335 C519 C509 C502 C508 R231 R331 R234 R334 Q201...
  • Page 16 Q11-13 DC CORD ∗ CD SERVO CD SERVO DC CORD BU5V BU5V BU5V (E30-4939-05) POWER POWER (E30-6028-05) CTRL SUPPLY 7.5V SUPPLY DPX-8030MD IC15 1/2W DPX-8200WMP ANT CON ON/OFF 7.5V AVR RESET R124 S7.5V 2.2K 1/2W 1/2W R174 P ANT Q102...
  • Page 17 4.0V 8.0V RREF 4.0V S7.5V SERVO 7.5V 1.6V 4.0V u 1 6 3 PANEL 4.0V SERVO GND OPEN SW R412 13K MECHA Q801 4.0V DRIVE (1/2) R410 DPX-8030MD(M) (1/2) L411 3.3V 1.6V (2/2) MOTOR+ 4V AVR MOTER- DPX-8030MD +14V +14V...
  • Page 18 OTHER : 5.0V DATA READ w w w DPX-8030MD(M) (2/2) CAUTION: For continued safety, replace safety critical components only with manufacturer's recommended u 1 6 3 parts (refer to parts list). Indicates safety critical components. To reduce the risk of electric shock, leakage- current or resistance measurements shall be carried out (exposed parts are acceptably insulated from the supply circuit) before the appliance is returned to the customer.
  • Page 19 : N80-3010-46 φ3x6 : N83-3006-46 M2x2.2 : N39-2022-46 M3x6 : N30-3006-46 L 13942296513 (X14-) (X14-) (X16-) (X14-) (X14-) (X14-) (A/2) FPC1 u163 Refer to the following page. DPX-8030MD (1/2) Parts with the exploded numbers larger than 700 are not supplied.
  • Page 20 3 7 63 1515 0 (X25-) L 13942296513 M1.4 : N09-4465-05 M1.4 (BLK) : N09-4466-05 M2x3 : N09-4467-05 φ2x5 : N80-2005-46 φ3x8 : N09-6027-05 φ2x10 : N80-2010-46 u163 DPX-8030MD (2/2) Parts with the exploded numbers larger than 700 are not supplied.
  • Page 21 DPX-8030MD PARTS LIST 3 7 63 1515 0 ∗ The language of an instruction manual. New Parts E : ENG F : FRE P : POR H : HUN O : POL Parts without Parts No. are not supplied. T : CHI...
  • Page 22 DPX-8030MD 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. (X14-6980-21) Teile ohane Parts No. werden nicht geliefert. Des- Des- Ref.
  • Page 23 DPX-8030MD 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. (X14-6980-21) Teile ohane Parts No. werden nicht geliefert. Des- Des- Ref.
  • Page 24 DPX-8030MD 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. (X14-6980-21) Teile ohane Parts No. werden nicht geliefert. Des- Des- Ref.
  • Page 25 DPX-8030MD 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. (X14-6980-21) Teile ohane Parts No. werden nicht geliefert. Des- Des- Ref.
  • Page 26 DPX-8030MD 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. (X14-6980-21) Teile ohane Parts No. werden nicht geliefert. Des- Des- Ref.
  • Page 27 DPX-8030MD 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. (X25-9320-00) Teile ohane Parts No. werden nicht geliefert. Des- Des- Ref.

  • Page 28: Specifications

    DPX-8030MD SPECIFICATIONS 3 7 63 1515 0 Frequency Range (Frequency Step) ..........87.5MHz - 108.0MHz (50kHz) Frequency Range (Frequency Step) .......... 87.9MHz - 107.9MHz (200kHz) Channel Space Selection ..................50kHz/200kHz Usable Sensitivity S/N: 30dB ................ 9.3dBf (0.8µV/75Ω) Quieting Sensitivity S/N: 50dB ..............15.2dBf (1.6µV/75Ω) Frequency Response (±3.0dB) ................