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Kenwood KDC-3020R Service Manual

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Download this manual See also: Instruction Manual
CD RECEIVER
KDC-3020R
QQ
3 7 63 1515 0
KDC-4021/V/Y/YV
SERVICE MANUAL
The CD mechanism infomation is not in this sarvice manual.
Please, refer to sarvice manual X92-4030-0x (B51-7867-00).
Panel assy
(A64-2549-02): KDC-3020R
Panel assy
(A64-2552-02): KDC-4021 /V/Y/YV
TE
L 13942296513
DC cord
(E30-4790-05)
(E30-4791-05)
Mounting hardware assy
(J21-9641-13)
www
.
∗
Depends on the model. Refer to the parts list.
Front glass
(B10-4137-01): KDC-3020R
KDC-3020R
COMPACT
DIGITAL AUDIO
LOUD
SCRL
SCAN
OFF
KDC-4021
COMPACT
DIGITAL AUDIO
LOUD
SCRL
SCAN
OFF
∗
Plastic cabinet assy
(A02-1486-13)
Lever
(D10-4589-04)x2
x
ao
y
i
8
CD MD-Changer Control
RDM
REP
M. RDM
CLK
Front glass
(B10-4138-01): KDC-4021 /V/Y/YV
Q Q
3
6 7
1 3
CD MD-Changer Control
RDM
REP
M. RDM
CLK
Antenna adaptor
(T90-0523-05)
Screw set
(N99-1719-05)
u163
.
2 9
9 4
2 8
© 2001-12 PRINTED IN JAPAN
B51-7871-00 ( N ) 2177
CD mechanism extension cord : W05-0618-00
Escutcheon
(B07-3054-02)
PTY
MENU
TI
VOL. ADJ
AUD
Escutcheon
(B07-3054-02)
1 5
0 5
8
2 9
9 4
PTY
MENU
TI
VOL. ADJ
AUD
Stay
(J54-0606-04)
∗
Screw set
(N99-1610-15)
m
co
9 9
2 8
9 9
∗
∗

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Summary of Contents for Kenwood KDC-3020R

  • Page 1 The CD mechanism infomation is not in this sarvice manual. CD mechanism extension cord : W05-0618-00 Please, refer to sarvice manual X92-4030-0x (B51-7867-00). Front glass Escutcheon Panel assy (B10-4137-01): KDC-3020R (B07-3054-02) (A64-2549-02): KDC-3020R CD MD-Changer Control KDC-3020R COMPACT DIGITAL AUDIO...
  • 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: Microcomputer's Terminal Description

    KDC-3020R/ 4021/V/Y/YV 3 7 63 1515 0 MICROCOMPUTER’S TERMINAL DESCRIPTION SYSTEM MICROCOMPUTER µPD780058GC-XXX (IC1 : X25) Pin No. Pin Name Purpose Processing in STBY Mode PANEL Panel detection Hi-Z 8EJE SW *1 8 cm disk eject end detection switch L, L when the 8 cm CD compatibility is not provided.
  • Page 4 KDC-3020R/ 4021/V/Y/YV 3 7 63 1515 0 MICROCOMPUTER’S TERMINAL DESCRIPTION / ADJUSTMENT Pin No. Pin Name Purpose Processing in STBY Mode LOE/LIM SW CD mechanism Down & Limit detection Hi-Z MOSW CD mechanism motor switching LO/EJ Lo/Ej switching Hi-Z M-STOP...
  • Page 5 PC BOARD 3 7 6 3 1 5 1 5 0 (COMPONENT SIDE VIEW) (FOIL SIDE VIEW) X16-1472-7x/ X16-1472-7x/ X25-9142-7x (J74-1368-12) X16-1482-7x (J74-1287-12) X16-1482-7x (J74-1287-12) X25-9120-xx/913x-xx (J74-1290-12) C500 C501 C225 2 3 4 8 12 11 13 D265 W139 Q223 Q224 D261 D262...
  • Page 6 4.7K PANEL DIG GND 5V SW R145 R141 R144 2.2K w w w ILL+B 4.7K 100K C309 R143 4.7K 0.01 u 1 6 3 KDC-4021/V/Y/YV (1/2) KDC-3020R (1/2) KDC-3021A/G/YA/YG (1/2) KDC-306A/G/YA/YG (1/2) KDC-2092RYA/RYG (1/2) KDC-2021SA/SG (1/2) to CD MECHANISM ILL+B...
  • Page 7 : DTA114EUA Q2,3 : 2SC4081 KDC-4021 (E) X16-1482-70 B30-1564-05 BLU/WHT BLU/WHT TEL MUTE TEL MUTE KDC-4021V (E) X16-1482-71 B30-1564-05 D1-13,20 KDC-3020R (M) X16-1472-70 B30-1642-05 : B30-1605-05 KDC-4021Y (E) ∗ D17,18 X16-1472-71 B30-1642-05 KDC-4021YV (E) : B30-1633-05 : MA3062WA GND LINE MOLEX MOLEX ∗...

  • Page 8: Exploded View

    KDC-3020R/ 4021/V/Y/YV 3 7 63 1515 0 EXPLODED VIEW M3x8 : N30-3008-46 DME1 φ2x6 : N80-2006-46 φ2x8 (BLK) : N80-2008-45 φ3x5 : N83-3005-46 φ3x10 : N80-3010-46 φ3x20 : N83-3020-46 φ2.6x6 : N86-2606-46 φ1.5 RING : N29-0205-04 L 13942296513 (X16) (X25) u163 Depends on the modle.

  • Page 9: Parts List

    CHIP R J 1/8W K24-3823-04 KNOB (SRC) R19,20 RK73FB2B391J CHIP R J 1/8W K24-3824-04 KNOB (AUD) R21,22 RK73FB2B221J CHIP R J 1/8W E0 : KDC-4021 E2 : KDC-4021Y M2 : KDC-3020R Indicates safety critical components. E1 : KDC-4021V E3 : KDC-4021YV...
  • Page 10 CHIP C 0.010UF R115 RK73GB2A102J CHIP R 1.0K J 1/10W C309 CK73GB1H103K CHIP C 0.010UF R116 RK73GB2A103J CHIP R J 1/10W E0 : KDC-4021 E2 : KDC-4021Y M2 : KDC-3020R Indicates safety critical components. E1 : KDC-4021V E3 : KDC-4021YV...
  • Page 11 DIODE 2SD1819A TRANSISTOR E2E3M2 AM01Z DIODE DTA124EUA DIGITAL TRANSISTOR UN5112 DIGITAL TRANSISTOR E2E3M2 DSM1SD2 DIODE 2SA1036K TRANSISTOR ERA15-02 DIODE UMC2N TRANSISTOR E0 : KDC-4021 E2 : KDC-4021Y M2 : KDC-3020R Indicates safety critical components. E1 : KDC-4021V E3 : KDC-4021YV...
  • Page 12 DIGITAL TRANSISTOR Q251 UN5214 DIGITAL TRANSISTOR E2E3M2 PTH9C42BE471Q POSITIVE RESISTOR X86-3512-70 FRONT-END UNIT E2E3M2 X86-3522-71 FRONT-END UNIT E0E1 L 13942296513 u163 E0 : KDC-4021 E2 : KDC-4021Y M2 : KDC-3020R Indicates safety critical components. E1 : KDC-4021V E3 : KDC-4021YV...

  • Page 13: Specifications

    KDC-3020R/ 4021/V/Y/YV 3 7 63 1515 0 SPECIFICATIONS KDC-3020R (M-TYPE) KDC-4021/Y/V/YV (E-TYPE) Frequency Range ........87.5MHz~108.0MHz Frequency Range ........87.5MHz~108.0MHz Frequency step ..............50kHz Frequency step ..............50kHz Channel Space Slection ............FIX Usable Sensitivity (S/N 26dB) ........0.7µV/75Ω Usable Sensitivity (S/N 26dB) ....... 8.1dBf (0.7µV/75Ω) Quieting Sensitivity (S/N 46dB) ........

This manual is also suitable for:

Kdc-4021