Kenwood KDC-1028 Service Manual

Cd receiver

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Instruction manual (72 pages)

Service manual (34 pages)

Service manual (6 pages)

Summary of Contents for Kenwood KDC-1028

Page 1 3 7 63 1515 0 KDC-128 KDC-128CR KDC-129/S KDC-229 SERVICE MANUAL © 2004-12 PRINTED IN JAPAN B53-0233-00 ( N ) 1033 PANEL ASSY PANEL ASSY KDC-1028 (A64-3445-02) KDC-128 (A64-3446-02) /AUTO /AUTO SET UP SET UP SCAN SCAN PANEL ASSY PANEL ASSY...
Page 2: Block Diagram
KDC-1028/128/128CR KDC-129/129S/229 BLOCK DIAGRAM 3 7 63 1515 0 ELECTRIC UNIT (X34-) L506 FM AGC AM+B Q501 Q351,352 AM AGC PRE MUTE PRE OUT IC10 FM (J/K Type) : 1800mV FM (E Type) 1372mV AM (J/K Type) 600mV MPX OUT...
Page 3: Electric Unit (X34-3Xxx-Xx)
KDC-1028/128/128CR KDC-129/129S/229 COMPONENTS DESCRIPTION 3 7 63 1515 0 ELECTRIC UNIT (X34-3xxx-xx) Ref. No. Application / Function Operation / Condition SYSTEM µ-COM System control. POWER SUPPLY DC5Vx2, 7.9Vx1, 8.1Vx1, 10.3V, P.CON, P-ANT output. POWER IC Audio signal amplifier. MUTE LOGIC Mute control.
Page 4: Microcomputer's Terminal Description
KDC-1028/128/128CR KDC-129/129S/229 COMPONENTS DESCRIPTION 3 7 63 1515 0 SWITCH UNIT (X16-2940-xx) Ref. No. Application / Function Operation / Condition VFD DRIVER REMOTE SENSOR GREEN LED SW “ON” when the base goes “H”. RED LED SW “ON” when the base goes “H”.
Page 5 KDC-1028/128/128CR KDC-129/129S/229 MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 Active Pin No. Pin Name Application Processing Operation (H/L) AUD SCL Volume + tuner I2C clock input and output PWIC STBY Power IC standby output Power IC ON : H, Power IC OFF : L...
Page 6 L 13942296513 General models commercially-designated as pure KENWOOD brand (Initial value) Initial value setting General models commercially-designated as pure KENWOOD brand (CRSC is changed) Multi-Path Band-Path Gain=12dB, Multi-Path Charge Current=0.4µA, De-Emphasis=75µS • POWER SUPPLY IC (IC3) CONTROL • CD MECHA CONTROL OPERATION SEL1 (Pin No.
Page 7: Cd Mechanism Μ-Com : Ic2 On X32- (Cd Player Unit)
KDC-1028/128/128CR KDC-129/129S/229 MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 CD MECHANISM µ-COM : IC2 on X32- (CD PLAYER UNIT) Active Pin No. Pin Name Application Processing Operation (H/L) Traverse drive output (PWM output). Spindle motor drive output (PWM output).
Page 8 KDC-1028/128/128CR KDC-129/129S/229 MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 Active Pin No. Pin Name Application Processing Operation (H/L) 8EJE SW 12EJE/SDET SW Loading-end detection / H : Loading-end detection LOE/LIM SW Pick-up inner circumference detection. L : Pick-up inner circumference detection 45~49 No connection.
Page 9: Test Mode
KDC-1028/128/128CR KDC-129/129S/229 TEST MODE 3 7 63 1515 0 How to enter the test mode PRESET • When pressed for less than 1 second : CD EJECT While simultaneously press PRESET “1” key and PRESET “3” “5” key number display key, press “RESET”...
Page 10 KDC-1028/128/128CR KDC-129/129S/229 SPECIAL MODE ADJUSTMENT 3 7 63 1515 0 After replacing the following parts, adjust as follows. DC offset error detection confirmation mode Confirmation mode : While depressing PRESET “3” key and PRESET “6” key REPLACED PARTS ADJUSTMENT ITEMS simultaneously, press on the “RESET”...
Page 11 KDC-1028/128/128CR KDC-129/129S/229 PC BOARD 3 7 63 1515 0 (COMPONENT SIDE VIEW) (FOIL SIDE VIEW) SWITCH UNIT X16-2940-xx (J76-0055-02) SWITCH UNIT X16-2940-xx (J76-0055-02) PAN-SW5V FL-SW9.8V LED+B PAN5V L 13942296513 FL+B X16-2940-xx X16-2940-xx DATAS Ref. No. Address Ref. No. Address REMO...
Page 12 KDC-1028/128/128CR KDC-129/129S/229 PC BOARD (FOIL SIDE VIEW) 3 7 63 1515 0 ELECTRIC UNIT X34-3xxx-xx (J76-0048-12) DAUGHTER UNIT X89-2690-10 (J76-0057-02) J1/L51 W351 W352 W423 R230 R229 R226 R225 W101 W398 W405 W406 W346 R222 R221 R273 R252 R257 R251 R271...
Page 13 KDC-1028/128/128CR KDC-129/129S/229 3 7 63 1515 0 W312 W335 2 3 4 8 12 11 13 W251 C256 W252 C257 C258 C255 R254 R253 Q352 Q351 C521 W346 R257 L505 L518 C303 C525 L600 W331 C507 D503 L501 L520 W333...
Page 14: Pc Board (Component Side View)
KDC-1028/128/128CR KDC-129/129S/229 PC BOARD (COMPONENT SIDE VIEW) 3 7 63 1515 0 CD PLAYER UNIT X32-5750-00 (J76-0059-02) L 13942296513 X32-5750-00 Ref. No. Address u163 Refer to the schematic diagram for the values of resistors and capacitors.
Page 15 KDC-1028/128/128CR KDC-129/129S/229 PC BOARD (FOIL SIDE VIEW) 3 7 63 1515 0 CD PLAYER UNIT X32-5750-00 (J76-0059-02) SLED DRVMUTE SPDL LOE/LIM A.GND A.+8V C100 R100 /MRST /MSTOP SLED OUT /MUTEL /LOAD L 13942296513 /MUTER SLED IN /EJECT BU.5V Vref 2...
Page 16 KDC-1028/128/128CR KDC-129/129S/229 3 7 63 1515 0 DAUGHTER UNIT (X89-2690-10) ELECTRIC UNIT (X34-3xxx-xx) 2-PREOUT MUTE L602 C221 R229 R221 10u16 Q221 CN91 CN90 4.7K L509 MUTE CF51 CF52 2 VDD L508 Q222 CF53 10.700MHz 10.700MHz Q225 10.700MHz W101 4.7K C222...
Page 17 KDC-1028/128/128CR KDC-129/129S/229 3 7 63 1515 0 L602 D203 C201 0.01 3,43 TP404 MUTE LOGIC CF54 000kHz S-METER 4.5V ∗ R431 C565 TP408 ∗ R471 ∗ R470 C512 2.2K 10u16 5.0V TUN SMETER TP411 0.5V or RDS NOISE TUN SD 5.0V...
Page 18 R252 TP31 D401 B30-1567-05 Q252 D501 RN739F D502,503 KP2311ETR-G D504 KV1430STL-G CONTROL STBY D506 HVC383B-E SIGNAL LINE R141 R140 R139 R138 R137 R136 R135 GND LINE FL+B B LINE KDC-1028/128/128CR/129/129S/229 (1/2) u163 DTA124EUA UMC2N DAN202U DA204U DTC124EUA DTA114YUA X34-3xxx-xx (3/4)
Page 19 KDC-1028/128/128CR KDC-129/129S/229 3 7 63 1515 0 (X34-3xxx-xx) CATEGORY/ DESTI- C333, C605, D72, MODEL NAME X34-340x-xx X34-341x-xx X34-365x-xx C152 C255 C526 C604 606 CN3 D162 D260 Q151 FUNCTION NATION E303/S 0-01 YES YES YES YES YES YES YES YES 784225GC256A...
Page 20 KDC-1028/128/128CR KDC-129/129S/229 3 7 63 1515 0 SWITCH UNIT (X16-294x-xx) (3G) (1GB) (2G) R80 33 R82 33 ∗ REMOTE TP32 SW5V SENSOR (7-SEGMENT) L 13942296513 KEY MATRIX DISP Q or EQ EJECT PANEL TP31 ILL D GND TP30 PAN5V 11.25V...
Page 21 KDC-1028/128/128CR KDC-129/129S/229 3 7 63 1515 0 CAUTION : For continued safety, re- ANODE CONNECTION place safety critical components only 2G 1GA,1GB NAME with manufacturer’s recommended parts — (refer to parts list). — Indicates safety critical components. — — To reduce the risk of electric shock, —...
Page 22 KDC-1028/128/128CR KDC-129/129S/229 3 7 63 1515 0 CD PLAYER UNIT (X32-5750-00) RFENV 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 IREF R100 C100 8EJE SW 3.10V 1000P PLLF2 12EJE/SDET SW PLLF 3.84V 4.7K...
Page 23 KDC-1028/128/128CR KDC-129/129S/229 3 7 63 1515 0 CAUTION : For continued safety, replace safety critical compo- nents only with manufacturer’s IOP+ IOP- recommended parts (refer to R7 3.6K parts list). Indicates safety critical com- ponents. To reduce the risk of 3.3K...
Page 24 KDC-1028/128/128CR KDC-129/129S/229 EXPLODED VIEW (CD MECHANISM) 3 7 63 1515 0 DPU1 L 13942296513 DFPC1 (X32) φ : N09-4460-05 : N09-4472-15 M1.7x8.0 M1.7x2.5 : N09-6004-05 M2x2 : N09-6007-05 u163 φ : N09-6051-05 2x5(BLK) : N19-2163-04 1.6 WASHER : N39-2020-46 M2x2 : N09-6108-05 M2x3.5...
Page 25: Exploded View (Unit)
KDC-1028/128/128CR KDC-129/129S/229 EXPLODED VIEW (UNIT) 3 7 63 1515 0 DME1 : N29-0205-04 : N80-2006-48 : N80-2008-43 : N83-3005-48 : N86-2610-48 : N80-3010-48 : N83-3005-48 : N83-3020-48 : N86-2606-48 (X34) L 13942296513 (X89-) (X16-) (X34-) u163 Depends on the model. Refer to the parts list.
Page 26: Parts List
J 1/10W H25-0329-04 PROTECTION BAG (280X450X0.03) H25-0337-04 PROTECTION BAG (180X300X0.03) RK73GB2A102J CHIP R 1.0K J 1/10W K4K5K6 H54-3289-03 ITEM CARTON CASE (KDC-1028) K4 RK73GB2A471J CHIP R J 1/10W H54-3290-03 ITEM CARTON CASE (KDC-128) K5 RK73GB2A104J CHIP R 100K J 1/10W K4K5K6...
Page 27 C77,78 CK73GB1C104K CHIP C 0.10UF R100 RK73GB2A100J CHIP R J 1/10W K4 : KDC-1028 K5 : KDC-128 K6 : KDC-128CR M4 : KDC-229 M5 : KDC-129 M6 : KDC-129S Indicates safety critical components. (E : Europe K : North America...
Page 28 C503 CK73GB1C104K CHIP C 0.10UF C601 CK73GB1H223K CHIP C 0.022UF K K4 : KDC-1028 K5 : KDC-128 K6 : KDC-128CR M4 : KDC-229 M5 : KDC-129 M6 : KDC-129S Indicates safety critical components. (E : Europe K : North America...
Page 29 L520 L40-3381-58 SMALL FIXED INDUCTOR (0.33UH) R193,194 RK73GB2A474J CHIP R 470K J 1/10W K4 : KDC-1028 K5 : KDC-128 K6 : KDC-128CR M4 : KDC-229 M5 : KDC-129 M6 : KDC-129S Indicates safety critical components. (E : Europe K : North America...
Page 30 RK73GB2A432J CHIP R 4.3K J 1/10W W826 R92-2053-05 CHIP R 0 OHM J 1/8W K4 : KDC-1028 K5 : KDC-128 K6 : KDC-128CR M4 : KDC-229 M5 : KDC-129 M6 : KDC-129S Indicates safety critical components. (E : Europe K : North America...
Page 31 DAMPER Q252 2SA1603A TRANSISTOR Q330 DTA124EUA DIGITAL TRANSISTOR G01-3072-04 EXTENSION SPRING K4 : KDC-1028 K5 : KDC-128 K6 : KDC-128CR M4 : KDC-229 M5 : KDC-129 M6 : KDC-129S Indicates safety critical components. (E : Europe K : North America...
Page 32 T42-1066-04 DC MOTOR (SPINDLE) T42-1067-04 DC MOTOR (LOADING) DPU1 X93-2010-00 OPTICAL PICKUP ASSY u163 K4 : KDC-1028 K5 : KDC-128 K6 : KDC-128CR M4 : KDC-229 M5 : KDC-129 M6 : KDC-129S Indicates safety critical components. (E : Europe K : North America...
Page 33 KDC-1028/128/128CR KDC-129/129S/229 3 7 63 1515 0 CAPACITORS 2 2 0 • Capacitor value CC45 Color* 010 = 1pF 0 = 22pF 1 = Type ... ceramic, electrolytic, etc. 4 = Voltage rating 100 = 10pF 2 = Shape ... round, square, etc.
Page 34: Specifications
(Depth) ............155mm Weight ............... 1.40kg (3.1 lbs) Weight ............... 1.40kg (3.1 lbs) KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice. KENWOOD CORPORATION 2967-3, Ishikawa-machi, Hachioji-shi, Tokyo, 192-8525 Japan KENWOOD USA CORPORATION KENWOOD ELECTRONICS ITALIA S.p.A.

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Kdc-229 Kdc-129/s Kdc-128cr Kdc-128

Kenwood KDC-1028 Service Manual

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