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See also:
Instruction Manual
CD RECEIVER
KDC-4090R/Y
SERVICE MANUAL
KDC-4090R
Knob(EJ)
(K24-3653-04)
DIGITAL AUDIO
LOUD
SCRL
Knob(VOL)
(K25-1256-03)
DC CORD
(E30-4790-05)
ANTENNA ADAPTOR
(T90-0523-05:4090RY)
(T90-0534-05:4090R)
Front glass
(B10-4001-01)
KDC-4090R
COMPACT
SCAN
RDM
REP
Knob(1-6)
(K25-1253-03)
PLASTIC CABINET ASSY
(A02-1486-13)
©
2000-12 PRINTED IN JAPAN
B51-7706-00(S) 1995
Panel assy
Knob(Q)
(A64-2213-02)
(K24-3652-04)
45Wx4
AUD
T1
M. RDM
PWR OFF
VOL ADJ
Knob(FM/AM)
(K25-1255-03)
MOUNTING HARDWARE ASSY
(
J21-9641-03)
LEVER
(D10-4589-04)
PTY
MENU
Knob(CLK)
(K25-1254-03)
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Table of Contents
Related Manuals for Kenwood KDC-4090R
Summary of Contents for Kenwood KDC-4090R
- Page 1 CD RECEIVER KDC-4090R/Y SERVICE MANUAL © 2000-12 PRINTED IN JAPAN B51-7706-00(S) 1995 KDC-4090R Knob(EJ) Front glass Panel assy Knob(Q) (K24-3653-04) (B10-4001-01) (A64-2213-02) (K24-3652-04) KDC-4090R 45Wx4 COMPACT DIGITAL AUDIO LOUD SCRL SCAN M. RDM PWR OFF VOL ADJ MENU Knob(CLK) Knob(VOL)
- Page 2 KDC-4090R/Y BLOCK DIAGRAM...
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Page 3: Component Description
KDC-4090R/Y COMPONENT DESCRIPTION SWITCH UNIT(X13-9872-73) Ref.No. Component Name Application/Function Operation/Condition/Compatibility LC75883E LCD driver Ready on key-matrix RS-171 Remote control light sensor DTA114EKorKRA102Sor key-matrix permission SW Ready on key-matrix, ON when the base goes "Lo" UN2111 Q2,3 2SD2114K key illumination selector SW Key illumination is green when Q2 base goes "Hi"... -
Page 4: Microcomputer's Terminal Description
KDC-4090R/Y MICROCOMPUTER'S TERMINAL DESCRIPTION Terminal Description Function Description Processing Operation AV CONT A/D converter reference voltage control output ”Hi”: ON / ”Lo”: OFF IC2 TYPE0 IC2 setting terminal ”Lo”: Initial value IC2 TYPE1 IC2 setting terminal ”Lo”: Initial value AVSS... - Page 5 KDC-4090R/Y KDC-4090R/Y MICROCOMPUTER'S TERMINAL DESCRIPTION ADJUSTMENT • Holding Preset 3 while the operating hour information is Test Mode Function Description Processing Operation Not used displayed clears it. 1. How to enter test mode • Holding Preset 5 while the ejection count information is Not used While holding the FM key and preset 6 key, reset the unit.
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Page 6: Pc Board (Component Side View)
PC BOARD (Component Side View) SWITCH UNIT ELECTRIC UNIT X13-9872-73(J74-1199-12) X25-8712-71(J74-1122-12) ELECTRIC UNIT SWITCH UNIT (X25-8712-71) (X13-9872-73) C500 C225 C501 13 11 12 6 4 3 2 Q223 Q224 W122 C257 W166 C252 C251 C254 C253 C258 D407 C224 C223 C402 C401 D410... - Page 7 PC BOARD (Foil Side View) SWITCH UNIT ELECTRIC UNIT X25-8712-71(J74-1122-12) X13-9872-73(J74-1199-12) SWITCH UNIT ELECTRIC UNIT (X13-9872-73) (X25-8712-71) C500 C501 C225 6 10 9 Q223 Q224 W122 W166 C257 C252 C253 C254 C251 C258 D407 D410 C401 C402 C223 C224 C403 W161 W162 C221...
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Page 8: Cd Player Unit
PC BOARD (Component Side View) PC BOARD (Foil Side View) CD PLAYER UNIT CD PLAYER UNIT CD PLAYER UNIT CD PLAYER UNIT (X32-5010-00) (X32-5010-00) X32-5010-00 (J74-1158-12) X32-5010-00 (J74-1158-12) /MUTEL /MUTEL MOTOR /MUTER MOTOR /MUTER LOAD LOAD SLED+ SLED+ LO/EJ LO/EJ A.5V A.5V EJECT/SLED-... - Page 9 BR24CO1AF D13,14,261-263,265,266 HZS6C1 : 2SD2375 or UN5212 KDC-4590R 2-70 : AM01Z or D264,267,268 : D1F60 2SD2396 KDC-4590RV 2-74 DSM1SD2 or ERA15-02 KDC-4090R 2-71 WHT/BLK GRN/BLK GRY/BLK VIOL/BLK REQ H POWER FUSE VIOL REQ C AM+B CHCON DATA C 3.4V D267...
- Page 10 2SC4081 KEY SCAN LCD DRIVER TEST D20,21 MODEL NAME UNIT No. D24-28 KDC-4590R 2-71 B38-1059-05 BR24C01AF KDC-4590RV 2-72 B30-1058-05 BR24C01AF-W KDC-4090R 2-73 B38-1059-05 DATAL : LC75883E DTA124EUA DATAS : RS-171 DTC124EUA : DTA114EK or KRA102S UN2111 or D-GND KRA102S Q2,3...
- Page 11 To reduce the risk of electric shock, leakage- CD MECHANISM KDC-4090R/Y current or resistance measurements shall be carried out (exposed parts are acceptably insulated from the supply circuit) before the appliance is...
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Page 12: Exploded View (Unit)
KDC-4090R/Y KDC-4090R/Y EXPLODED VIEW (CD MECHANISM) EXPLODED VIEW (UNIT) M1.7x2.5 : N09-4249-05 φ 2x3.5 : N09-4172-05 M1.7x4 : N09-4202-05 M2x2 : N38-2020-46 φ 2x6 : N09-4294-05 WASHER φ 1.2 : N19-2023-04 WASHER φ 1.6 : N19-2058-04 WASHER φ 1.6 : N19-2093-04... -
Page 13: Parts List
ANTENNA ADAPTOR CE04CW1E100M ELECTRO 10UF 25WV X92-4130-00 MECHANISM ASSY C52-54 C90-2597-05 ELECTRO 10UF 16WV CE04CW1E100M ELECTRO 10UF 25WV SWITCH UNIT (X13-9872-73) CE04CW1H100M ELECTRO 10UF 50WV B11-1327-04 OPTICAL DIFFUSER C90-2926-05 ELECTRO 220UF 16WV R: KDC-4090R Y: KDC-4090RY indicates safety critical components. - Page 14 L40-4795-91 SMALL FIXED INDUCTOR(4.7UH,J) L201 L40-4795-91 SMALL FIXED INDUCTOR(4.7UH,J) R202,203 RK73GB1J472J CHIP R 4.7K 1/16W L303-306 L40-4795-91 SMALL FIXED INDUCTOR(4.7UH,J) R204 RK73GB1J102J CHIP R 1.0K 1/16W R205 RK73GB1J472J CHIP R 4.7K 1/16W R: KDC-4090R Y: KDC-4090RY indicates safety critical components.
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Page 15: Cd Player Unit (X32-5010-00)
CHIP C 470PF C19,20 CK73GB1C104K CHIP C 0.10UF K TDA7386 ANALOGUE IC CK73FB0J475K CHIP C 4.7UF TDA7479D ANALOGUE IC CK73GB1H102K CHIP C 1000PF K BA4911-V4 ANALOGUE IC CK73GB1E223K CHIP C 0.022UF K R: KDC-4090R Y: KDC-4090RY indicates safety critical components. - Page 16 RK73GB1J103J CHIP R 1/16W D10-4007-04 LEVER RK73GB1J102J CHIP R 1.0K 1/16W D10-4008-14 LEVER RK73GB1J473J CHIP R 1/16W D10-4009-23 RK73GB1J333J CHIP R 1/16W D10-4010-04 LEVER RK73GB1J622J CHIP R 6.2K 1/16W D10-4307-04 LEVER ASSY R: KDC-4090R Y: KDC-4090RY indicates safety critical components.
- Page 17 CLAMPER J19-4678-13 HOLDER J19-4679-24 HOLDER J21-7684-13 MOUNTING HARDWARE J21-7686-13 MOUNTING HARDWARE J21-7690-03 MOUNTING HARDWARE J84-0107-05 FLEXIBLE PRINTED WIRING BOARD J90-0757-22 GUIDE N09-4249-05 MACHINE SCREW (M1.7X2.5,LOCK) N09-4172-05 TAPPING SCREW (2X3.5,CTITE) N09-4202-05 STEPPED SCREW R: KDC-4090R Y: KDC-4090RY indicates safety critical components.
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Page 18: Specifications
Wow & Flutter ........Below Measurable Limit Frequency Response ......10~20kHz(±1dB) THD ............ 0.01%(1kHz) S/N Ratio ..........96dB(1kHz) Dynamic Range ........93dB Channel Separation ......85dB KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice.