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Instruction Manual
CD RECEIVER
KDC-5027/5027Y/508
QQ
3 7 63 1515 0
SERVICE MANUAL
TE
L 13942296513
DC cord
(E30-6132-15)
Mounting hardware assy
(J22-0011-03)
www
.
Panel assy
(A64-3195-02):KDC-5027/5027Y
(A64-3196-02):KDC-508
Plastic cabinet assy
(A02-1486-13)
Lever
(D10-4589-04)
x
ao
u163
y
i
2 9
8
CD MECHANISM EXTENSION CORD : W05-0618-00
Q Q
3
6 7
1 3
1 5
Screw set
(N99-1730-15)
x2
co
TDF PANEL INFORMATION
MODEL
TDF PANEL No.
.
KDC-5027/5027Y
Y33-1930-64
KDC-508
Y33-1930-65
9 4
2 8
© 2003-11 PRINTED IN JAPAN
B53-0105-00 ( N ) 1839
0 5
8
2 9
9 4
Escutcheon
(B07-3001-02):KDC-508
(B07-3083-02):KDC-5027/5027Y
Antenna adaptor
(T90-0523-05)
m
TDF NAME
TDF-5027
TDF-508
9 9
2 8
9 9
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Table of Contents
Related Manuals for Kenwood KDC-5027
Summary of Contents for Kenwood KDC-5027
- Page 1 CD RECEIVER KDC-5027/5027Y/508 3 7 63 1515 0 SERVICE MANUAL © 2003-11 PRINTED IN JAPAN B53-0105-00 ( N ) 1839 CD MECHANISM EXTENSION CORD : W05-0618-00 Panel assy (A64-3195-02):KDC-5027/5027Y (A64-3196-02):KDC-508 L 13942296513 DC cord Plastic cabinet assy Escutcheon (E30-6132-15) (A02-1486-13)
- 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...
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Page 3: Disassembly For Repair
KDC-5027/5027Y/508 DISASSEMBLY FOR REPAIR 3 7 63 1515 0 How to Disassemble (PANEL ASSY) How to install knob (SRC) 1) Remove four screws (A). 1) Place knob (F) and knob (G) in the positions indicated in 2) While holding the section (B) indicated with arrows, pull and the diagram below. -
Page 4: Components Description
KDC-5027/5027Y/508 COMPONENTS DESCRIPTION 3 7 63 1515 0 SWITCH UNIT (X16-2502-70) Ref. No. Application/Function Operation/Condition/Compatibility LCD Driver Drives LCD Remote Control IC Controls the unit. Q1,Q4 REMO ON SW The power supply of IC2 is turned on when base level goes “L”. -
Page 5: Microcomputer's Terminal Description
KDC-5027/5027Y/508 MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 SYSTEM MICROCOMPUTER : M30302MC-1N4FP (X34 : IC1) Truth Value Pin No. Pin Name Application Processing Operation Description Table OPEN (Output L fixed) REMO Remote control input OPEN (Output L fixed) BYTE... - Page 6 KDC-5027/5027Y/508 MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 Truth Value Pin No. Pin Name Application Processing Operation Description Table M RST RESET output to CD mechanism Normal : H, When RESET : L M-MUTE R MUTE request (Rch) from CD mechanism...
- Page 7 KDC-5027/5027Y/508 MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 Truth Value Pin No. Pin Name Application Processing Operation Description Table LX-MUTE MUTE request from external slave H : MUTE ON, L : MUTE OFF 82~88 OPEN (Output L fixed) KEY-REQ...
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Page 8: Test Mode
KDC-5027/5027Y/508 TEST MODE 3 7 63 1515 0 1. How to enter the test mode 7.CD Receiver Test Mode Specification • While holding the Preset 1 and Preset 3 keys, reset the unit. • When resetting to start, forced ejection of CD is prohib- ited. - Page 9 KDC-5027/5027Y/508 TEST MODE 3 7 63 1515 0 11. Special display when the display is All ON Security Pressing the Preset keys while the power is All OFF dis- • Forced Power ON mode (All models) plays the following information.
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Page 10: Pc Board (Component Side View)
KDC-5027/5027Y/508 PC BOARD (COMPONENT SIDE VIEW) 3 7 63 1515 0 ELECTRIC UNIT X34-3092-70 (J74-1453-42) 13 11 12 8 4 3 2 9 10 6 D255 C352 C351 C253 D302 C251 C301 C254 C303 C302 C258 D253 D308 C252 C255... - Page 11 KDC-5027/5027Y/508 3 7 63 1515 0 DAUGHTER UNIT SWITCH UNIT X89-2570-10 (J74-1450-02) X16-2502-70 (J74-1568-02) L 13942296513 S-MTR CNVSS C409 BU5V RESET X34-3092-70 X16-2502-70 Address Address u163...
- Page 12 KDC-5027/5027Y/508 PC BOARD (FOIL SIDE VIEW) 3 7 63 1515 0 ELECTRIC UNIT X34-3092-70 (J74-1453-42) R253 R251 R252 R255 Q356 IC10 L 13942296513 R414 R203 C212 C205 R207 R413 R412 R411 R410 C111 R409 R408 R407 R406 R404 R405 R206...
- Page 13 KDC-5027/5027Y/508 3 7 63 1515 0 DAUGHTER UNIT SWITCH UNIT X89-2570-10 (J74-1450-02) X16-2502-70 (J74-1568-02) C356 Q351 R355 Q355 R363 R359 R361 Q356 R362 R364 Q354 Q201 L 13942296513 Q101 X34-3092-70 X16-2502-70 Address Address C114 C118 C113 R115 C112 CP3 CP4...
- Page 14 KDC-5027/5027Y/508 PC BOARD (COMPONENT SIDE VIEW) 3 7 63 1515 0 CD PLAYER UNIT X32-5390-00 (J74-1485-12) L 13942296513 u163 X32-5390-00 Address Refer to the schematic diagram for the values of resistors and capacitors.
- Page 15 KDC-5027/5027Y/508 PC BOARD (FOIL SIDE VIEW) 3 7 63 1515 0 CD PLAYER UNIT X32-5390-00 (J74-1485-12) B/TE VDET TRCRS RFENV NRFDET D/ARF GCTL VREF2 D.OUT SPDL- SLED IN/EJECT /MUTER /MUTEL SLED OUT/LOAD /MSTOP L 13942296513 /MRST R100 MOTOR SPDL+ LO/EJ Lch A.+8V...
- Page 16 KDC-5027/5027Y/508 CD PLAYER UNIT (X32-5390-00) 3 7 63 1515 0 D.GND C34 0.1 4.80V C32 0.1 BU+5V 470P 470P L.P.F. 3.10V 1.25V 2.40V 3.10V 3.10V 1.70V R100 C100 8EJE(SW2) 3.10V 1000P 12EJE/SDET(SW3) 3.84V 4.7K 4.80V 7.80V LOE/LIM(SW4) 0.87pp PCK/NTLOCK/FCLK/STLD 3.84V...
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Page 17: Optical Pick-Up
KDC-5027/5027Y/508 3 7 63 1515 0 RFENV IOP+ IOP- R7 3.6K 3.3K C45 0.1 C44 1000P 1.25V C43 2200P 1.70V IREF PLLF2 0.047 0.95pp PLLF R39 100K 2.50V 0.91pp 0.87pp RFSW 1000P 4.7K 2.45V DSLF AVSS2 4.80V DVSS1 DVDD1 VDET 0-4.8V... -
Page 18: Electric Unit
KDC-5027/5027Y/508 3 7 63 1515 0 PRE OUT F GND FRONT REAR ELECTRIC UNIT (X34-3092-70) ∗ R361 R362 R355 R356 LX-CN C357 0.01 Q355 Q356 Q351 Q352 C356 0.01 C306 0.01 MUTE MUTE MUTE Q354 ∗ FM/AM TUNER E2P-ROM R210... - Page 19 KDC-5027/5027Y/508 3 7 63 1515 0 DC-CN FUSE F1 10A POWER SUPPLY IC 14.2V PCON C2 0.01 14.1V PANT 3300u16 8.1V 10u16 C255 1u50 D269 R255 7.9V 4.9V R2 36K 4.3V 8.1V AUDIO MUTE R3 100K SERGE AUDIO ∗ 0.01...
- Page 20 KDC-5027/5027Y/508 3 7 63 1515 0 M30302MC-1N4FP TDA7407D BA4911-V4 WHT/BLK GRN/BLK TB2903H GRY/BLK VIOL/BLK HD74HC27FP-E DTA114EE 2SC4081 14.2V VIOL SAA6581T 5 12 PST3435UL DTC143TUA PCON P CONT IC10 BR24C01AF-W BLU/WHT DTC144EE ANT CONT 4 13 14.1V Q1-3 2SC4081 BLU/WHT 2SA1036K...
- Page 21 KDC-5027/5027Y/508 3 7 63 1515 0 SWITCH UNIT (X16-2502-70) ED1(SEGMENT TP18 TP19 TP20 TP21 TP22 TP23 TP24 TP25 DISP TP26 ESD-GND 2.2K 2.2K TP13 TP27 FLIP DET AUTO/ RESET RESET VOL A Q2,3 D-GND+ ILL GND ILLUMINATION VOL B ILL+B...
- Page 22 KDC-5027/5027Y/508 3 7 63 1515 0 EGMENT) L 13942296513 OMMON) KDC-5027/Y(2/2) KDC-508 (2/2) KRC-597/Y (2/2) CAUTION : For continued safety, replace safety critical components only with manufacturer's u163 recommended 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.
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Page 23: Exploded View (Mechanism)
KDC-5027/5027Y/508 EXPLODED VIEW (MECHANISM) 3 7 63 1515 0 DPU1 L 13942296513 DFPC1 (X32) φ : N09-4460-05 : N09-4472-15 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... -
Page 24: Exploded View (Unit)
KDC-5027/5027Y/508 EXPLODED VIEW (UNIT) 3 7 63 1515 0 DME1 M3x8 : N30-3008-46 φ2x6 : N80-2006-46 φ2x8 : N80-2008-45 φ3x5 : N83-3005-46 φ2x5 : N84-2005-45 φ2.6x6 : N84-2606-45 φ3x8 : N80-3008-46 φ3x10 : N80-3010-46 φ3x20 : N83-3020-46 φ2.6x6 : N86-2606-46... -
Page 25: Parts List
J 1/8W H54-3016-03 ITEM CARTON CASE RK73FB2B271J CHIP R J 1/8W u163 H54-3019-03 ITEM CARTON CASE S70-0814-05 TACT SWITCH J19-5203-03 HOLDER (LEFT) J19-5204-03 HOLDER (RIGHT) T99-0449-05 ROTARY ENCODER E : KDC-5027 E1 : KDC-508 E2 : KDC-5027Y Indicates safety critical components. -
Page 26: Switch Unit (X16-2502-70)
MN6627771KP MOS-IC u163 R90-0974-05 MULT R 1.8K X4 BA5824FP ANALOGUE IC NJM4580M1 ANALOGUE IC R90-0718-05 MULTI-COMP 4.7K X4 R90-0720-05 MULTI-COMP 100K X4 MCH6101 TRANSISTOR 2SA1362 (Y) TRANSISTOR E : KDC-5027 E1 : KDC-508 E2 : KDC-5027Y Indicates safety critical components. - Page 27 4.7K J 1/10W C403 CK73GB1C104K CHIP C 0.10UF R106 RK73GB2A222J CHIP R 2.2K J 1/10W C409 CD04AS0J470M ELECTRO 47UF 6.3WV R111 RK73GB2A472J CHIP R 4.7K J 1/10W E : KDC-5027 E1 : KDC-508 E2 : KDC-5027Y Indicates safety critical components.
- Page 28 R2-5 RK73EB2E471J CHIP R J 1/4W R6,7 RK73EB2E102J CHIP R 1.0K J 1/4W S74-0821-05 MICRO SWITCH RK73EB2E241J CHIP R J 1/4W R9,10 RK73EB2E471J CHIP R J 1/4W E : KDC-5027 E1 : KDC-508 E2 : KDC-5027Y Indicates safety critical components.
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Page 29: Daughter Unit (X89-2570-10)
MACHINE SCREW (M1.7X2.5 IB-L) N09-6007-05 MACHINE SCREW (PAN M2X2) N09-6051-05 TAPTITE SCREW (BIND P 2X5) u163 N19-2163-04 FLAT WASHER N39-2020-46 PAN HEAD MACHIN SCREW N09-6108-05 MACHINE SCREW (M2*3.5TYPE3) E : KDC-5027 E1 : KDC-508 E2 : KDC-5027Y Indicates safety critical components. -
Page 30: 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.