Kenwood W8027 manuals
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When we buy new device such as Kenwood W8027 we often through away most of the documentation but the warranty.
Very often issues with Kenwood W8027 begin only after the warranty period ends and you may want to find how to repair it or just do some service work.
Even oftener it is hard to remember what does each function in CD Player Kenwood W8027 is responsible for and what options to choose for expected result.
Fortunately you can find all manuals for CD Player on our side using links below.
Kenwood W8027 Service Manual
42 pages 2.35 Mb
CD RECEIVER KDC-MP925 KDC-W8027SERVICE MANUAL CD mechanism extension cord (24PIN) : W05-0935-00 2 KDC-MP925/W80275 KDC-MP925/W8027 SYSTEM MICROPROCESSOR : UPD703030GC041 (X34-303 : IC1) 8 KDC-MP925/W8027Fig.2 FPM motor control Fig.1 WOW mode operation PANEL MICROPROCESSOR : 703132GJ011-A (X16-253 : IC1) 9 KDC-MP925/W802711 How to enter the test mode How to exit from the test mode Initial status in the test mode Special display in Tuner mode Forced switching of K3I Test mode specifications of the CD receiver Audio-related specifications 12 Menu-related specifications Backup current measurement Special display when the display is all on Panel mechanism Other specifications Switching the frequency span (K/M type) Demonstration mode 1. How to enter to the Demonstration mode 2. How to chancel the Demonstration mode 13 Security information 1. Forced Power ON mode (All models)2. Method of registration of the security code after EEPROM (F/E) replacement (Code security model) 3. How to inscription the panel security code 4. Simple way to c lear the security code (K type only) 14 PC BOARD (COMPONENT SIDE VIEW)EBEBEBEBEBEB EB R624R218 R623 R608 C240 C43 C42 C203 R263 C204 R34 C47 C41 C48 R102 X2 R526 R127 R122 R42 IC5 IC6 IC11 IC12 IC3 IC1 D504 Q203 Q26 Q7 Q25CN4 CN6 CN5 Q24 J1 Q8 Q1 Q15 D7 A2 P1 ELECTRIC UNIT X34-3030-10, X34-3032-71 (J74-1473-32)D1 CN3 Q206 Q205 D8 Q11 Q12 D16 D17 Q204 D15IC4 IC20 IC18 IC13 IC2R35 R131 R129 X1 R172 R180 R179 C222 C223 R171 R170 R169 R167 C297 W3 R264 R48 R46 R47 R262 C298 R32 C219 C218 C229 C228 C250 EBEBEBEB EB JIHGF 15 SWITCH UNIT X16-2560-10 (J74-1590-02)DISPLAY UNIT X16-2530-11 (J74-1587-02)Ref er to the schematic diagram f or the values of resistors and capacitors. 16 PC BOARD (FOIL SIDE VIEW)IC1 6KJ1 IC14 IC7 IC8 IC19 IC15 Q20 D13 D12 D213 Q501D509 D507 D601 D508 D506 D505 Q502 Q503 D5 D9 Q21Q22 Q17 Q18 D301 D214 D215 D216 Q201 D211 D209 D212 D210 Q19 D10 ELECTRIC UNIT X34-3030-10, X34-3032-71 (J74-1473-32)SUB CIRCUIT UNIT X16-2080-10 (J74-1476-02)IC1 X16-2080-10 X34-303x-xx TSRQPQ9 D24 CN1 S5DSI PAN5V ILLGND KS2 DGND R8 R3 R4 R5 C2 IC2 IC1 Q1Q11 Q10 Q4IC7 Q602 Q601 Q3 20 Q Q27 Q29 D3 Q5 Q4 D204 D203 D6 IC10 Q3 Q8 Q2 Q7 IC7 IC6 IC10 IC3 IC9 17 DISPLAY UNIT X16-2530-11 (J74-1587-02)R2 R10 R11 124 KS1 DSI KI4 KI1 KI2 ILL+B VOLA RED KI5 VOLB KI3 KS3 GREEN RST KS4 ESDGND SWITCH UNIT X16-2560-10 (J74-1590-02) 18 PC BOARD (COMPONENT SIDE VIEW)IC6 S4 Q5 Q4 Q7 S1 S2 S3 IC3 CD PLAYER UNIT X32-5540-00 (J74-1552-12)X32-5540-00 IC3 4V IC6 5W Q4 5V Q5 5X Q7 5W ADACABAAZ 19 PC BOARD (FOIL SIDE VIEW)IC8 IC7 IC1 IC4 Q1 D3 CN1 Q3 Q6 Q10 Q8 Q9 D2 CN2 IC2 IC5 IC9 CD PLAYER UNIT X32-5540-00 (J74-1552-12)X32-5540-00 IC1 5AC IC2 2AB IC4 5AA IC5 3AA IC7 4AB IC8 3AC IC9 3AB Q1 5AC Q3 5AA Q6 5AB Q8 2AA Q9 3AA Q10 3AA 20 ABCDE10V P-CON IC Q24 D13DC/DC R P LAMP PRE-AMP +9V AVR SERVO +B AVR SW14V B D6Q26 D9 Q4 Q19 Q22 Q21 Q20 Q11REAR FRONT GND B.UP ILLUMI RL- RL+ RR- C11 3300P 30 23 20 V+ 1 6 8OSC VOUT 47 R20 47 R24 8 1 SS C503 0.01 GND 5 R12 C14 R15 47K C15 0.01 C16 100u16 C17 0.01 C18 100u16 (E30-6295-05) : KDC-MP925 (E30-6061-05) : FX-9100 KDC-W8027: (E30-4942-05) IC3 IC1913.7V 1.29V 0V 4.1V 1.2V -10V 14.0V 0V SW5V Q2 Q3 IC7 IC9 IC18 ELECTRIC UNIT (X34-303x-xx) (E30-6294-05) : KDC-X87963 SYNC C13 1 C504 0.01 C12 220u16 R11 2.2K750 R10 FB 4 10K ON/OFF C10 220u25 CB 2 VIN VSW 7 3900u16 R6 15KC7 1 OUT IN C100 CAP- 5 LV 7 3 BST C31 100u16 L4 22uH C30 4.7u25 R2 C33 C2 0.01 ACC FL- FR- FL+ FR+ RR+ Q13 Q14 Q12 D4 Q602 Q9 Q6 Q7 Q8 Q18 Q17 Q601 Q5 D1 D2 D5I REGULATOR IC for A8V AUDIO 8V AVR B.U.5V AVR AUDIO 10.5V AVR -9V AVR for 4.5V (DC/DC IC) PRE-OUT PRE-AMP -9V AVR SMALL DET SW EX AM BUFFE CONT R SWICHING REGULATOR IC for CD4.7V ILL & +B AVR A D12 D15 P-ANT SW Q23 D10 D11(X34-303x-xx) ABCDEFGH I LO G 21 JIHGF3.3V X34-303x-xx (2/5)SYSTEM u-COM LAMP Q26 D101 A2 BU DET Q27 Q29 IC90V 5V 0V or 2.5V or 5.0V 0V 0V or 5.0V 5V 5V 5 0 5 IC1D20 D21 2 D17 Q31Q30 ACC DET DC/DC CONVERTER MUTE DRIVER 5 D16 SMALL DET SW EX AMP CONTROL (X34-303x-xx) LOGIC IC for MUTING 22 KLMNO14.4V X34-303x-xx (3/5)IC20 W L D208 CN5 D210 CN4 IC200V-2.0V 0V-5.0V 2.5V or 5V 4.6 6.8V 4.2V 8.4V IC4 (E30-6310-05) : KDC-W8027/FX-9100 (E30-6311-05) : KDC-X879/MP925CN1 J1 D211 D212 D209 D207 D213 D214 D216 D215 POWER AUDIO IC PANE 5V S SW for Q603 SWITCHING IC6 FOCUS ANALOG SW for to CD MECHANISM 23 TSRQP42V X34-303x-xx (4/5)2/3 CN1 C D509 D505 D506 D201 D508 D601 P1 Q210 D217 D202 D204 IC2 IC6 IC10 IC12MUTE SW MUTE SW MUTE SW PRE-OUT D206 D205 IC5 IC11 IC13 BQ205 Q206 Q204 D507 D203 Q503 Q502 Q501 Q203 Q207 Q208 CN2 C C D AMP for 4.5V PRE-OUT PRE-OUT AMP for 4.5V AMP for 4.5V AUDIO IC(WOW) PANEL 5V SW BUFFER for S.A AGC for SA E-VOL&N. SYSTEM E's IC E2P 5V SW X16-253- YXWVU 24 X34-303x-xx (5/5)A1 B LINE M P-MOTOR SIGNAL LINE GND LINE S1J MA142WA IC for E-VOL&N.C.&MPX F D501 D504 6 5 CN7 CN6 Q202 Q201 PANEL MECHA ASSY KDC-MP925/W8027 (1/3)0-5.0V 0V or 0V or 2.7V or 3.7V 2.4V 2.4V 7.6V 0V or 0-2.6V 0V or 0V or IC2 IC16 IC15 IC14Q305 D301 Q304 Q303 W2 DTA123JK or 2 D503 D502 CN3 ANT. CN3 2SC4081 STEERING REMOTE CORD H EXTERNAL DISPLAY & TUNER E-VOL MUTE SW NOISE MOTOR DRIVER PANEL MECHA IC for MOTOR DRIVER PANEL MECHA RDS DECODER IC COMPOSITE SIGNAL for RDS AM +B SW IC1 : IC2 : TDA7411 UN5112 UN5212 UN5213 UN5214 UN5216 KRA105S 27,29,210,602 Q2,14,16,17,20,22, D301 IMSA-6801: S-MOTOR LX-BUS 25 KDC-MP925/W8027ZAA AB AC AD X16-2530-11 (1/3)CN1 3/3 D2 D3 ON SW 1 CN5 Q5 Q3 3.3V AVR Q1 D5 D4 CN2 C IC4V 3 3.3V 0V 0V 0V 3.3V 0V 3.3V 3.3V IC6 DISPLAY UNIT (X16-2530-1x) BIC5CN1 Q4 FL3.3V SW PANEL MICRO P R 3.3V SW FL SW X34-303- 1/3 +B 2.5V AVR Q2 Q6 Q200 REMO. Q7 Q8 5.0V LEVEL SHIFT 3.3V D1 X16-256- IC3 IC7 IC2 ED1 IC8REMOTE CONTROL SENSOR L MICRO PROCESSOR FLASH ROM (for DISPLAY CUSTOMIZE) 26 AE AF AG AH AI27 KDC-MP925/W8027ANAMALAKAJ NJM4565M-TE2FL BK SW GRADATION Q11 (GREEN) 1 Q9 BR24C01AFV-WIC1 Q10 IC9 SWITCH UNIT (X16-2080-XX) IC10 : GREEN KDC-MP925/W8027 (2/3) : BLUE D13J1 EEP ROM : (X16-2080-xx) IC1 : 703132GJ011-A Q1 : 2SB1188(Q,R) Q3 : 2SC2713 Q5,6,8 : 2SA1774 :DTC114EEQ7 :2SC4667Q9 :2SC4617 UMX2N D1-5 : DA204U (X16-2530-xx) GND LINE B LINE D14LED SW (RED) SPECTRUM ANALAYZER BA3830FIC10 : 2SB1132:Q2 2SA1163:Q4 Q10,200 Q11 : B30-1575-05D13 : B30-2233-05D14 : FL CONTROL S-816A25AMCT2GIC5 : 192x36 Dot Matrix2SA1774 2SC4081 UMX2N DTA124EUA DTC124EUA DTC144EUAAO AP AQ AR ASC KDC-MP925/W8027 (3/3) SWITCH UNIT (X16-2560-xx) D22 D20 D18 D15 D13 D11 D12 D14 D17 D19 D21 D24 28 DAN202U DAP202U DA204K DA204U DTA114YUA MA142WA UN5212 RD6.8M TC74HC02AFTC7SH08FU BA3830F M5237ML LB1930M TC74HC4050AFT TDA7479DAT AU AV AW AX0.3V SHIFT BU2.5V AVRBU3.3V AVR Q1 LOS SW 12EJE SW S4 to MAIN UNIT SW3.3V CONTROL D2 IC9 IC7IC6 IC5 IC1 29 X32-5540-00 (1/2)(MP3) 3.3/0V 3.3V 0V 0.2V 0V 3.3V 3.3/ 0 0/3. 4.5V 5.0V 5.0V 8.0V 3.3V CD PLAYER UNIT (X32-5500-00/01,5540-00/01)Q6 Q7 Q8 D3 MECHANISM MICRO PROCESSOR APC Q4 AVR S3 LOE/LIM SW 8EJE SW S1 S2DAC3.3V AVR LEVEL (3.3V 5.0V) BCBBBAAZAYQ10 (X92- )(X92- ) LOADING & SLED GND LINE UPD63712GC :TC7SH08FU XC6219B332MR IC8 IC5 IC6 Q8 DA204UF :DAN202UF :IC3 TC94A20F-010 MM IC4 IC30V 1.65V 4.0V 2.5V 1.35V 2.5V 3.3/0V(MP3) (MP3) 0/3.3V 3.3/1.65/0V 30 X32-5540-00 (2/2)1.0Vp-p 1.7Vp-p 1.7Vp-p 0.3Vp-p 1.0Vp-p (MP3) 0/3.3V (DA) 0V (MP3) 0/3.3V 0V 3.5/0V 1.0/0V IC2 DPU1(X92- ) OPTICAL PICKUP IC8Q9 D2 D3 : Q1,4 Q6 Q7 Q3,5 Q9,10 IC4 IC9 IC7 DTC124EUAF DTC114YUAF :2SK3018F :UMD12N 2SB0970 UMD9N NJM2880U133 XC6219B252MR TAR5S33-F :BA5824FP-F CN2 IC1 IC2 91CW12AFG-4VF6 RF AMP/SERVO PROCESSOR CD SIGNAL 4ch BTL DRIVER MP3/WMA DECODER SIGNAL LINE B LINE SW DM1 DM2 SPINDLE MOTOR MOTOR SELECTOR (SERIAL DATA) 31 EXPLODED VIEW (MECHANISM)Parts with the exploded numbers larger than 700 are not supplied. 32 EXPLODED VIEW (UNIT)42 SPECIFICATIONS
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