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© 2004-02 PRINTED IN JAPAN B53-0131-00 ( N ) 2439 CD RECEIVER KDC-MP925 KDC-W8027 SER VICE MANU AL *Size AA Battery (Not Supplied) Escutcheon (B07-3078-01) Plastic cabinet assy (A02-2731-13) Mounting hardware assy (J21-9823-03) * DC cord (E30-4942-05) * Antenna adaptor (T90-0552-05) Screw (N99-1734-05) Le ver (D10-4674-04) x 2 *Screw set (N99-1723[...]
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KDC-MP925/W8027 2 TUNER CD CH MECHA P ANEL TDF UNIT SWITCH UNIT (X16-208) (X16-256) (X34- ) (X16-253) DISPLA Y UNIT BUFFER RDS DECODER BUFFER REMO RESET SW KEY MA TRIX FL SYSTEM MPX E-VOL & ACC DET TEL MUTE B.U DET SYSTEM DRIVER MUTE POWER IC ACC TEL MUTE BACK UP SP OUT (FL) RESET KEY ILL IC14 IC2 IC1 IC4 IC8 IC9 Q303,304 AM+B AGC E'S+ PRE[...]
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KDC-MP925/W8027 3 ● SUB CIRCUIT UNIT (X16-2080-10) Ref No. Application / Functions Operation / Condition / Compatibility IC1 E2PROM E2PROM f or secur ity ● DISPLA Y UNIT (X16-2530-11) Ref No. Application / Functions Operation / Condition / Compatibility IC1 P anel microprocessor P anel control microprocessor IC2 R OM IC Graphic ROM IC4 A VR For[...]
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KDC-MP925/W8027 4 Ref No. Application / Functions Operation / Condition / Compatibility IC9 A VR 3.3V A VR (IC2 DA C par t) Q1,4 Le v el shift FET Le vel shift (3.3V - 5.0V) Q3,5 Le v el shift TR Le vel shift (3.3V - 5.0V) Q6 Le v el shift TR Le vel shift (3.3V - 5.0V) Q7 Le v el shift TR Le vel shift (3.3V - 5.0V) Q8 APC A uto power control Q9,10 [...]
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KDC-MP925/W8027 5 Ref No. Application / Functions Operation / Condition / Compatibility Q27 BU detector When Q27 base lev el goes H, Q27 tur ned ON Q29 A CC detector When Q29 base lev el goes H, Q29 turned ON Q30,31 Muting driver When base le vel goes L, muting driver is turned ON Q201 Buff er Noise detect buff er amp Q202 E-V OL muting SW When Q20[...]
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KDC-MP925/W8027 6 Pin No. Pin Name I/O Description / Processing Operation Fig 18 TEST - NC (GND) 19 DIAG I Over voltage/Ov er current detection ter minal (Normal : H, Bad condition : L) 20 MUTE O MUTE output ter minal (ON : OPEN, OFF : L) 21 PRE MUTER O PREOUT (Rch) muting control ter minal 22 PRE MUTEL O PREOUT (Lch) muting control ter minal 23 BU[...]
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KDC-MP925/W8027 7 Pin No. Pin Name I/O Description / Processing Operation Fig 62 MOSW O CD mechanism motor driver SW (LOADING, EJECT , Brake : H) 63 FPM MO T OR B O FPM mechanism (Slider) control ter minal 2 64 FPM MO T OR F O FPM mechanism (Slider) control terminal 2 65 FPM MOT OR O O FPM mechanism (Angle) control terminal 2 66 FPM MOT OR C O FPM [...]
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KDC-MP925/W8027 8 Fig.2 FPM motor control SLIDE FPM mechanism FPM MO T OR B FPM MO T OR F operation LL Standby HL Backw ard operation LH F orward operation HHB r ake ANGLE FPM mechanism FPM MO T OR O FPM MO T OR C operation LL Standby HL Angle open direction LH Angle close direction HH B r ake Fig.1 WO W mode operation MODE WO W MODE1 WO W MODE2 WO[...]
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KDC-MP925/W8027 9 MICR OCOMPUTER’S TERMINAL DESCRIPTION Pin No. Pin Name I/O Description / Processing Operation 38 VSS - GND 39~42 KI1~KI4 I K ey return input ter minal 43 FLGCP2 O FL br ight control terminal 44 NC - NC 45 SYS TX I DA T A input from system microprocessor 46 SYS RX O D A T A output to system microprocessor 47 FL CLK3 O Clock outpu[...]
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KDC-MP925/W8027 10 Pin No. Pin Name I/O Description / Processing Operation 87 FL LA TCH O Latch output to FL driver IC 88,89 NC - NC 90 REMO ON O P ower supply control f or remote control IC (H : ON, Hi-Z : OFF) 91 FL3.3V SW O FL3.3V control ter minal (H : ON, Hi-Z : OFF) 92 FL+B SW O FL+B control ter minal (H : ON, Hi-Z : OFF) 93 3.3V SW O 3.3V co[...]
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KDC-MP925/W8027 11 ● Ho w to enter the test mode While pressing and holding the Preset 1 and Preset 3 k eys , reset the unit. ● Ho w to exit fr om the test mode While holding the Preset 6 ke y , reset the unit. Note : Tu r ning A CC off , power off , momentary power do wn or panel detaching does not terminate the test mode. ● Initial status i[...]
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KDC-MP925/W8027 12 ● Menu-related specifications • A shor t press of the Q ke y initiates the menu mode. • Pressing the DNPP ke y on the remote initiates the Menu mode. • Continuous holding of a remote control k ey is inhibited, and wor kings are shor t press of any k eys . • Contrast is adjusted in 3 steps of 0 / 5 / 10 with the T rack U[...]
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KDC-MP925/W8027 13 ● Security information 1. Forced P ower ON mode (All models) Even when the security (Cord) is appro v ed, resetting the unit while holding the Q and Preset 4 k eys mak es it pos- sible to turn the pow er ON f or 30 minutes. After 30 minutes ha v e elapsed, it is not possible to return to the pre vious condition unless the unit [...]
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KDC-MP925/W8027 14 A B C D E 1 2 3 4 5 6 7 PC BO ARD (COMPONENT SIDE VIEW) P1 A2 Q9 D7 Q15 CN2 Q13 Q1 CN1 Q8 Q24 J1 ELECTRIC UNIT X34-3030-10, X34-3032-71 (J74-1473-32) D1 CN3 Q206 Q205 D8 CN5 CN6 CN4 Q25 Q6 Q7 Q11 Q12 Q26 D16 D17 Q204 Q203 Q208 Q207 D15 D504 IC4 IC20 IC1 IC3 IC18 IC12 IC11 IC13 IC6 IC5 IC2 L3 C23 C5 C9 C700 C6 C101 5V RST C31 C270[...]
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KDC-MP925/W8027 15 J I H G F 1 2 3 4 5 6 7 C4 V OLUME MENU RESET AM FM SCRL AU TO 12 3 4 5 6 SHIFT SRC R13 R15 C5 R12 R14 C9 C8 C7 R17 R16 C10 EB E B EB EB D12 D11 S21 S13 D13 D14 S3 Q2 D15 S8 Q4 Q3 D25 Q1 D18 D17 S18 D19 S16 D10 S1 D9 S2 S11 D7 D8 S6 S7 S20 S19 D6 S4 D2 D1 D20 S12 S17 D21 S15 D22 S10 S14 D5 D4 D3 S9 SWITCH UNIT X16-2560-10 (J74-15[...]
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KDC-MP925/W8027 16 K L M N O 1 2 3 4 5 6 7 PC BO ARD (FOIL SIDE VIEW) E B E B E B B E BE E B E B E B E B E B B E B E B E E B E B E B E B B E D601 D507 D508 D506 D505 Q502 D509 Q503 D5 Q16 Q501 D101 Q603 D9 Q21 Q22 Q17 Q18 D301 D205 Q303 Q304 D214 D207 D501 D502 D503 D208 D213 D215 D216 D206 Q201 Q31 D202 D201 D20 Q30 Q202 D211 D209 D212 D210 D21 D1[...]
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KDC-MP925/W8027 17 T S R Q P 1 2 3 4 5 6 7 E B E B B E E B E B E E B E B E B E B B E B E D5 D12 D13 Q19 Q 20 D217 Q210 Q27 Q3 Q601 D10 D18 D2 Q29 D3 D4 Q602 Q5 Q4 Q14 Q2 D204 D11 D19 D203 D6 C22 R25 R231 R230 R254 R255 R31 C37 R23 R26 C17 C15 R277 R276 C35 C32 R278 C33 R275 R274 C34 C296 R16 R271 C21 R270 C293 C294 C292 C295 R273 R272 C291 R9 C45 R[...]
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KDC-MP925/W8027 18 U V W X Y 1 2 3 4 5 6 7 PC BO ARD (COMPONENT SIDE VIEW) S D G EB C52 C44 C25 C29 C50 RFOK R12 C3 C8 C10 C11 C13 C15 C27 C35 C37 /RESET MIDIO MIACK C41 C46 C32 CP6 R27 R47 C18 CP2 CP3 CP5 CP7 CP11 R6 R13 L1 R42 R46 R48 R49 R50 R63 R38 CP12 CP15 CP13 R68 CP14 R65 R67 C69 C67 C66 R66 R69 C72 1 3 4 5 1 16 33 48 32 17 64 49 B EC CBE Q[...]
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KDC-MP925/W8027 19 AD AC AB AA Z 1 2 3 4 5 6 7 PC BO ARD (FOIL SIDE VIEW) C54 L2 R21 C24 C71 R54 R56 R53 R58 C57 C56 R57 C63 C58 R60 R62 R59 R61 R52 R5 CP1 R10 C12 C5 R70 R2 C7 R9 R34 C28 R36 R35 C6 C34 R22 R37 C30 C31 R43 C26 C21 R29 R64 C38 R45 R44 C53 R40 C51 C48 C49 R51 C36 C47 CP4 R23 C16 X2 C14 R18 CP16 R14 R11 R7 R8 R17 R15 R16 C9 C19 C4 R1 [...]
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KDC-MP925/W8027 20 A B C D E 1 2 3 4 5 6 7 0V 13.5V 14.0V 0V 14.0V 5.7V 0V 10V 10.5V 5.3V -10V 10.5V 0V 5V 0V 1.2V 0V 0V 0V 14.0V 0V 0V 5V 14.0V 0V 4.1V 0V 1.29V 13.7V 0V 0V 5V 5V 0V 22K 22K 22K 22K 22K 22K 22K 22K 47K 47K 47K 10K 22K 22K 22K 22K 47K 47K 2.2K IC19 IC3 IC7 IC9 IC18 ELECTRIC UNIT (X34-303x-xx) (E30-4942-05) DC CORD KDC-W8027 : DC COR[...]
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KDC-MP925/W8027 21 J I H G F 5V 0V 0V 5.0V 0V 5V 0V 5V 0V 5V 0V 5V 5V 0V 5V 0V 0V 5V 0V 5V 0V 5V 0V 0V 5V 0V 5V 0V 5V 0V 5V 3.3V 0V 5.0V 0V 5V 0V 5V 5V 0V 0V or 5.0V 5V 0V 0V 5V 0V 5V 0V 5V 5V 0V 0V 5.0V 0V 5V 0V or 2.5V or 5.0V 0V 5V 5V 0V 5V 0V 0V 5.0V 5 V 0 V 0 V 5 V 0V 5V 0V 5V 5.0V 0V 5V 0V 0V 5V 0V 5V 5V 0V 47K 47K 2.2K 22K 22K 22K 22K IC1 IC[...]
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KDC-MP925/W8027 22 K L M N O 5V 0V 0V 5V 0V 5V 5V 0V 5V 0V 0V 5.0V 0V 5V 0V 5V 5V 0V 0V 5V 0.6V or 1.6V or 4.2V 2.5V or 5V 0V 0V 4.6 0V 5V 0V -5.0V 0V -2.0V 5V 0V 0V 5V 0V 0V 5V 0V 5V 0V 5V 0V 5V 4.2 V 4.2 V 4.2 V 4.2 V 4.2 V 4.2 V 4.2 V 4.2 V 5V 0V 0V 0V 0V 0V 14.4V 6.8V 6.8V 6.8V 6.8V 14.4V 0V -4.4V 0V 6.8V 6.8V 6.8V 6.8V 6.8V 0V 6.8V 6.8V 6.8V 6[...]
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KDC-MP925/W8027 23 T S R Q P 4.2V 4.2V 4.2V 4.2V 0V 8.4V 4.2V 4.2V 4.2V 4.2V 4.2V 4.2V 4.2V 8.4V 4.2V 4.2V 4.2V 4.2V 4.2V 4.2V 4.2V 0V 0V 0V 5V 4.2V 4.2V 8.4V 0V 4.2V 4.2V 4.2V 4.2V 4.2V 4.2V 4.2V 4.2V 4.2V 4.2V 4.2V 4.2V 4.2V 4.2V 4.2V 4.2V 4.2V 4.2V 4.2V 4.2V 4.2V 4.2V 42 V 4.2V 4.2V 4.2V 4.2V 4.2V 4.2V 42 V 0V 9.4V 0V 0V 0V 0V 0V -9.1V 0V 0V 0V [...]
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KDC-MP925/W8027 24 Y X W V U 1 2 3 4 5 6 7 5V 0V 5V 0V 4.2V 4.2V 4.2V 4.2V 4.2V 4.2V 4.2V 0V or 2.7V or 3.7V 4.2V 4.2V 4.2V 0V 8.4V 4.2V 4.2V 4.2V 4.2V 0V 0V 8.4V 4 . 2V 4.2V 4.2V 4.2V 4.2V 4.2V 4.2V 4.2V 4.2V 0V 5V 0V 5V 2.4V 2.4V 5.0V 0V 0V 5V 0V 7.6V 0V 0V 7.0V 0V or 7.6V 0V 0V 5V 0V 0V or 7.0V 0-5.0V 0-5.0V 0V 0-2.6V 7.0V 0V or 0V or 7.0V 5.0V [...]
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KDC-MP925/W8027 25 Z AA AB AC AD 1 2 3 4 5 6 7 10K 10K 3.4V 4.9V 0V 4.2V 4.9V 0V 0V 0V 0V 5V 3.3V 5V 0V 3.3V 0V 3.3V 0V 0V 3.3V 3.3V 0V 0V 3.3V 0V 3.3V 0V 3.3V 0V 0V 3.3V 3.3V 4.2V 4.9V 2.5V 4.9V 0V 0V 3.3V 3.3V 0V 0V 2.5V 3.3V 0V 3.3V 0V 3.3V 3.3V 0V 3.3V 0V 0V 3.3V 0V 3.3V 3.3V 0V 0V 3.3V 0V 3.3V 3. 3 0 V 0V 3.3V 0V 5V 0V 3.3V 5V 0V 3.3V 0V IC4 I[...]
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KDC-MP925/W8027 26 3.3V 0V 3.3V 0V 0V 3.3V 3.3V 3.3V 0V 0V 3.3V 0V 3.3V 3.3V 0V 0V 3.3V 0V 0V 5V 5.0V 0V 3.3V 5.0V 3.3V 0V 2.5V 0V 3.3V V 0V 2.5V 0V 0V 2.5V 0V 5V 5.0V 0V 0V 3.3V 0V 3.3V 0V 3.3V 3.3V 0V 3.3V 0V 0V 0V 3.3V 3.3V 0V 3.3V 0V 0V 3.3V 0V 3.3V 3.3V 0V 3.3V 0V 3.3V 0V 0V 3.3V 3.3V 0V 3.3V 0V 3.3V 0V 3.3V 0V 3.3V 3.3V 0V 0V 3.3V 3.3V 0V 3.3[...]
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KDC-MP925/W8027 27 AN AM AL AK AJ 1 2 3 4 5 6 7 1.35V 3.3V 0V 0V 5.0V 0V 5V 0V 3.3V 0V 3.3V 0V 0V 3.3V 5.0V 2.4V 5.0V 2.4V IC10 ∗ IC1 SWITCH UNIT (X16-2080-XX) : GREEN KDC-MP925/W8027 (2/3) IC9 : BLUE LED SW ∗ Q10 ∗ D13 BR24C01AFV -W IC1 J1 EEP ROM : (X16-2080-xx) Q9 IC2 : MX23L3213TG114 IC3 : MBM29L V004T -90 IC4 : S-816A34AMCT2G IC6 : TC74H[...]
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KDC-MP925/W8027 28 AO AP AQ AR AS 1 2 3 4 5 6 7 47K 10K C SWITCH UNIT (X16-2560-xx) KDC-MP925/W8027 (3/3) ∗ D5 ∗ D6 ∗ D7 ∗ D10 ∗ D8 ∗ D9 ∗ D3 ∗ D4 ∗ D1 ∗ D2 ∗ D11 ∗ D13 ∗ D12 ∗ D15 ∗ D14 ∗ D18 ∗ D17 ∗ D20 ∗ D19 ∗ D22 ∗ D21 Q2 Q3 Q4 D25 ILLUMINA TION SW S20 RESET MENU S2 FM S4 1 S3 OPEN S5 SRC S9 2 S8 AU TO [...]
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KDC-MP925/W8027 29 AT AU AV AW AX 1 2 3 4 5 6 7 X32-5540-00 (1/2) 22K 22K 47K 47K 47K 47K 3.3V 0V 0V 3.3V 0V 0V 0V 3.3V 0/3.3V (DA) 3.3V (MP3) (MP3) (DA) 0V (DA) 3.3V (MP3) 3.3/0V (DA) 3.3V (MP3) 3.3/0V 3.3V 3.8/0V 0V 2.4/0V 3.3V 3.3V 3.3V 0.3V 0V 0/3.3V (DA) 0V (MP3) 0/3.3V (DA) 0V (MP3) 3.3V 0V 3.3V 3.3V 3.3/0V 3.3V 3.3V 3.3V 0V 3.3V 0.2V 0V 3.3V[...]
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KDC-MP925/W8027 30 BC BB BA AZ AY 1 2 3 4 5 6 7 X32-5540-00 (2/2) CAUTION : For contin- ued safety, replace safety critical compo- nents only with manufacturer’s recom- mended parts (refer to parts list). Indicates safety criti- cal components. To re- duce the risk of electric shock, leakage-current or resistance measure- ments shall be carried o[...]
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KDC-MP925/W8027 31 EXPLODED VIEW (MECHANISM) 3 2 1 B A * CD MECHANISM OPERA TION DESCRIPTION is not in this sevice manual. Please refer to service manual for X92-4450-0x (B51-7889-00). A B C E F G H J : N09-6192-05 : N09-6191-05 : N09-6004-05 : N09-6193-05 : N09-6194-05 : N19-2163-04 : N39-2020-46 : N09-6196-05 φ 2x8 M1.7x8.5 M1.7x2.5 M2x2 φ 2x6([...]
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KDC-MP925/W8027 32 EXPLODED VIEW (UNIT) Pa r ts with the exploded number s larger than 700 are not supplied. 3 2 1 D C (X16-253) ED1 (X34-303) (X16-221) Y x2 U U Z U U U P K Q S S W V x2 V x2 T x2 V X Y x2 Q Q F F (X16-208) R x2 M G G J x2 G G A B C D E F G J K M N : : : : : : : : : : : N09-4448-05 N09-6073-05 N09-6087-15 N09-6088-05 N09-6089-15 N0[...]
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KDC-MP925/W8027 33 Indicates safety critical components . ✽ New parts Pa r ts without Par ts No. are not supplied. Les ar ticles non mentionnes dans le Par ts No. ne sont pas f ournis. T eile ohne Pa r ts No. werden nicht geliefert. Ref. No. A d d N e w Pa r ts No. Description Desti- nation Ref. No. A d d N e w Pa r ts No. Description Desti- nati[...]
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KDC-MP925/W8027 34 Indicates safety critical components . ✽ New parts Pa r ts without Par ts No. are not supplied. Les ar ticles non mentionnes dans le Par ts No. ne sont pas f our nis. T eile ohne Pa r ts No. werden nicht geliefert. Ref. No. A d d N e w Pa r ts No. Description Desti- nation Ref. No. A d d N e w Par ts No. Description Desti- nati[...]
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KDC-MP925/W8027 35 Indicates safety critical components . ✽ New parts Pa r ts without Par ts No. are not supplied. Les ar ticles non mentionnes dans le Par ts No. ne sont pas f ournis. T eile ohne Pa r ts No. werden nicht geliefert. Ref. No. A d d N e w Pa r ts No. Description Desti- nation Ref. No. A d d N e w Pa r ts No. Description Desti- nati[...]
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KDC-MP925/W8027 36 Indicates safety critical components . ✽ New parts Pa r ts without Par ts No. are not supplied. Les ar ticles non mentionnes dans le Par ts No. ne sont pas f our nis. T eile ohne Pa r ts No. werden nicht geliefert. Ref. No. A d d N e w Pa r ts No. Description Desti- nation Ref. No. A d d N e w Par ts No. Description Desti- nati[...]
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KDC-MP925/W8027 37 Indicates safety critical components . ✽ New parts Pa r ts without Par ts No. are not supplied. Les ar ticles non mentionnes dans le Par ts No. ne sont pas f ournis. T eile ohne Pa r ts No. werden nicht geliefert. Ref. No. A d d N e w Pa r ts No. Description Desti- nation Ref. No. A d d N e w Pa r ts No. Description Desti- nati[...]
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KDC-MP925/W8027 38 Indicates safety critical components . ✽ New parts Pa r ts without Par ts No. are not supplied. Les ar ticles non mentionnes dans le Par ts No. ne sont pas f ournis. T eile ohne Pa r ts No. werden nicht geliefert. Ref. No. A d d N e w Pa r ts No. Description Desti- nation Ref. No. A d d N e w Par ts No. Description Desti- natio[...]
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KDC-MP925/W8027 39 Indicates safety critical components . ✽ New parts Pa r ts without Par ts No. are not supplied. Les ar ticles non mentionnes dans le Par ts No. ne sont pas f ournis. T eile ohne Pa r ts No. werden nicht geliefert. Ref. No. A d d N e w Pa r ts No. Description Desti- nation Ref. No. A d d N e w Pa r ts No. Description Desti- nati[...]
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KDC-MP925/W8027 40 Indicates safety critical components . ✽ New parts Pa r ts without Par ts No. are not supplied. Les ar ticles non mentionnes dans le Par ts No. ne sont pas f our nis. T eile ohne Pa r ts No. werden nicht geliefert. Ref. No. A d d N e w Pa r ts No. Description Desti- nation Ref. No. A d d N e w Par ts No. Description Desti- nati[...]
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KDC-MP925/W8027 41 Indicates safety critical components . ✽ New parts Pa r ts without Par ts No. are not supplied. Les ar ticles non mentionnes dans le Par ts No. ne sont pas f ournis. T eile ohne Pa r ts No. werden nicht geliefert. Ref. No. A d d N e w Pa r ts No. Description Desti- nation Ref. No. A d d N e w Pa r ts No. Description Desti- nati[...]
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KDC-MP925/W8027 KENWOOD CORPORA TION 2967-3, Ishikawa-machi, Hachioji-shi, T okyo , 192-8525 Japan KENWOOD USA CORPORATION P.O. Box 22745, 2201 East Dominguez Street, Long Beach, CA 90801-5745, U.S.A. KENWOOD ELECTRONICS CANADA INC. 6070 Kestrel Road, Mississauga, Ontario, Canada L5T 1S8 KENWOOD ELECTRONICS LATIN AMERICA S.A. P.O. Box 55-2791 Paiti[...]