Kenwood KDC-135 Service Manual

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Instruction manual (56 pages)

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Page 1 CD RECEIVER KDC-135/135CR KDC-136 SERVICE MANUAL © 2006-12 PRINTED IN JAPAN B53-0478-00 ( N ) 584 Panel assy Panel assy KDC-135 (A64-4040-12) KDC-135CR (A64-4041-12) B.BOOST B.BOOST MENU MENU KDC-135 KDC-135CR SET UP SET UP AUTO SCAN AUTO SCAN Panel assy...
Page 2: Block Diagram
KDC-135/135CR/136 BLOCK DIAGRAM ELECTRIC UNIT (X34- ) Q901-903 ANT. DME1 DC-DET AM+B R103 TUNER FRONT-END MECHA PHONE PHONE SERVO+B POWER Q101 ACC DET ACC-DET Q103 BU DET BU-DET IC2 or IC3 Q102 DC-CN Q701,702 MUTE SURGE- E-VOL PHONE PRE-OUT PRE-OUT...
Page 3: Components Description
KDC-135/135CR/136 COMPONENTS DESCRIPTION ELECTRIC UNIT (X34-469x-xx) Ref. No. Application / Function Operation / Condition / Compatibility System µ-COM Controls FM/AM tuner, the changer, CD mechanism, panel, volume and tone. IC2,3 E-VOL Controls the source, volume and tone. Power Supply IC Outputs 5Vx2, 8.1Vx2, 10.2V, P-CON and P-ANT.
Page 4: Microcomputer's Terminal Description
KDC-135/135CR/136 COMPONENTS DESCRIPTION Ref. No. Application / Function Operation / Condition / Compatibility 4ch BTL Driver Focusing and tracking coil, sled and spindle motor driver, disc loading and eject operation. A8V SW Q1 is ON when Q2 is ON. Q1 SW Q2 is ON when Q6 is ON.
Page 5 KDC-135/135CR/136 MICROCOMPUTER’S TERMINAL DESCRIPTION Truth Value Pin No. Pin Name Application Processing Operation Description Table 19,20 Not used Output L fixed ROMCOR DET E2PROM writing request H: Writing 22,23 Not used Output L fixed PON FL Not used Not used...
Page 6 KDC-135/135CR/136 MICROCOMPUTER’S TERMINAL DESCRIPTION Truth Value Pin No. Pin Name Application Processing Operation Description Table DSI control OFF: Hi-z, Panel detached: Pulse drives, ON: H RDS DATA For European model terminal RDS QUAL For European model terminal VCC2 Not used...
Page 7 KDC-135/135CR/136 MICROCOMPUTER’S TERMINAL DESCRIPTION Truth Value Pin No. Pin Name Application Processing Operation Description Table PS1 1 Power supply IC control Refer to the truth value table PS1 2 Power supply IC control Refer to the truth value table PS1 3...
Page 8: Test Mode
KDC-135/135CR/136 TEST MODE Example Description of display Description Disc EJECT times display Disc EJECT times display. MAX 65535 (times) While disc EJECT times is displayed, press and hold for 2 seconds or longer to clear disc EJECT times. A symbol “ ” in the key column indicates that the key should be pressed and held for 1 second or longer.
Page 9 KDC-135/135CR/136 TEST MODE Special displays when all lights are on in STANDBY source Description of display Description Common All lights ON. All lights ON. “TYPE” indicates system µ-com (IC1) destination, and shows Destination terminal condition indication real-time condition of the destination terminal.
Page 10 KDC-135/135CR/136 TEST MODE • CD information display mode Description of display Description I2C com- I2C communication OK (forward munication rotation) status I2C communication NG (reverse CD mecha- Mechanism error log 1 (Latest) 1 : X – rotation) nism error XX: Error number. “– –” is displayed in case there is no error.
Page 11 KDC-135/135CR/136 TEST MODE • TUNER preset operation Description of display Description Preset function Change to 98.3MHz with the preset key [4]. • K3I forced switching Every time when [6] key is pressed in tuner FM source, switched in the following order: AUTO → Forced WIDE → Forced MIDDLE → Forced NARROW →...
Page 12 KDC-135/135CR/136 TEST MODE Audio-related test mode Procedure Note Enter audio adjustment mode (the initial item should be Fader, and then, Balance → Press the [AUD] key (main unit) Bass Level → Middle Level → Treble Level → SW Level → System Q → V-Offset →...
Page 13 KDC-135/135CR/136 TEST MODE Clearing CD mechanism information / Service information / DC offset error information (Clearing E2PROM data) Status Display Description While pressing and holding [B.BOOST] At normal termination key and [ATT] key, reset-start. At abnormal termination – This mode is cancelled by resetting. (The last screen will not be retained.) Data to be cleared is shown below.
Page 14 KDC-135/135CR/136 TEST MODE FM/AM channel space switching Procedure Note FM200kHz/AM10kHz ↔ FM50kHz/AM9kHz While Power OFF, press and hold [1] key and [5] key, and press [SRC] key to Power ON ROM data transfer When replacing front-end (A1), this function is used to transfer E2PROM data (ROM correction, security and other data) to front-end (A1) to E2PROM of to mother unit (X34-), used for saving data, and, after completing replacement of front-end (A1), to recover data from the E2PROM of the mother unit (X34-), and for saving data to the new front-end (A1).
Page 15: Rom Data Transfer Processes
KDC-135/135CR/136 ROM DATA TRANSFER PROCESSES When replacing front-end (A1) of mother unit (X34-), or when Operation procedure adding or replacing ROM correction (program correction with Operation procedure is different depending on the conditions. ROM IC (IC10)), the following activities are required.
Page 16 KDC-135/135CR/136 ROM DATA TRANSFER PROCESSES Turn power on. Install new front-end (A1). Press and hold the [1] and [3] keys and press reset button. No ROM correction or other data status. (Enter the system in the test mode.) Press [B.BOOST] key. (ROM data System enters data trans- fer mode.)
Page 17 KDC-135/135CR/136 ROM DATA TRANSFER PROCESSES 4. In case of applying a new ROM correction when front-end Turn power on. (A1) is replaced (There is ROM correction data.) Press and hold the [1] and [3] keys, press reset button. (Enter 5. In case of applying a new ROM correction even when front- the system in the test mode.)
Page 18 KDC-135/135CR/136 ROM DATA TRANSFER PROCESSES Press [ ] key. (Exit ROM data transfer mode.) Turn power on. Turn power off. Press and hold the [1] and [3] keys press reset button. (Enter the system in the test mode.) Remove front-end (A1).
Page 19 KDC-135/135CR/136 PC BOARD (COMPONENT SIDE VIEW) (FOIL SIDE VIEW) SWITCH UNIT SWITCH UNIT X16-388x-xx (J76-0362-02) X16-388x-xx (J76-0362-02) PAN DET AUX L AUX G AUX R ESD GND GUARD DATAS DATAL RTRY CW RTRY CCW ILL+B PAN5 ILL D GND X16-388x-xx X16-388x-xx Ref.
Page 20 KDC-135/135CR/136 PC BOARD (FOIL SIDE VIEW) ELECTRIC UNIT X34-469x-xx (J76-0358-02) W100 W807 W806 W805 R101 W102 W803 R102 W902 R910 R908 D103 R106 Q901 R905 R903 R801 R110 R107 R901 Q102 D105 D106 W812 C102 D901 D803 DC-DET R108 C807...
Page 21 KDC-135/135CR/136 X34-469x-xx Ref. No. Address C703 2 3 4 8 12 11 13 R604 C604 Q701 Q702 C603 R959 R710 R712 Q101 R803 Q102 C706 Q704 Q103 R807 Q703 Q104 Q105 C705 W701 Q301 R492 Q302 Q402 R791 Q701 Q401...
Page 22 KDC-135/135CR/136 PC BOARD (COMPONENT SIDE VIEW) CD PLAYER UNIT X32-5980-00 (J76-0377-02) R28 R27 X32-5980-00 Ref. No. Address Refer to the schematic diagram for the values of resistors and capacitors.
Page 23 KDC-135/135CR/136 PC BOARD (FOIL SIDE VIEW) CD PLAYER UNIT X32-5980-00 (J76-0377-02) P-ON2 P-ON1 IOP+ R105 R101 R100 FCS+ R103 FCS- A3.3V NPWDOWN R129 R128 C15 R13 TP24 CP11 R132 OCDSEL R102 TESTIN0 /MRST /MUTE FCLK /MSTOP LO/EJ MOTOR BU5V SPDL...
Page 24 KDC-135/135CR/136 ELECTRIC UNIT (X34-46xx-xx) ∗ R606 1K REQ S TP98 R609 100 MUTE TP95 R607 1K DATA S TP97 ∗ R605 100 TP99 R608 100 DATA M TP96 POWER DC OFFSET R610 4.7K TP94 TP903 Q903 R904 TP902 LX BUS...
Page 25 KDC-135/135CR/136 TP315 C808 1u50 R807 4.3K BU5V-1 TP316 BU5V-2 ∗ R229 TP432 100K 5.0V 5.0V R598 TP502 5.0V R599 RESET IC ∗ R201 BU DET LX DATA M 0 or 1.6 or 2.5 or LX CLK ACC DET ∗ 3.4 or 5.0V...
Page 26 SW5V B LINE TP26 SERVO+B C990 SEL1 0.022 SEL2 10.2V ∗ 1/2W 1/2W 1/2W 1/2W 1/2W TP28 ∗ ∗ ∗ TP31 VFD+B R961 ILL & VFD+B FD+B ONTROL R952 CONTROL SW for IC4 W for FD+B KDC-135/135CR/136 (1/2) X34-469x-xx (3/3)
Page 27 D31-37 UDZS5.6B B LINE B30-1183-05 KDC-135/135CR/136 (2/2) CAUTION : For continued safety, replace safety critical components only with manufacturer’s 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.
Page 28 KDC-135/135CR/136 CD PLAYER UNIT (X32-598x-xx) A3.3V 3.3V A8V SW ∗ ∗ ∗ D.GND A3.3V A.GND 1.5V ∗ 16.934MHz Q1 SW ASEL OCDSEL ∗ 5V-3.3V 4.00pp LEVEL BCLK SHIFT 3.3V LRCK ∗ 3.3V 0-3.3V SRDATA 0-3.2V 3.3V R106 MUTE R MUTE L N.C.
Page 29 KDC-135/135CR/136 A3.3V A.GND CAUTION : For continued safety, re- ∗ place safety critical components only ∗ C71 10 with manufacturer’s recommended ∗ ∗ C72 0.1 parts (refer to parts list). ∗ Indicates safety critical components. C73 10 16.934MHz ∗ To reduce the risk of electric shock, C74 0.1...
Page 30 KDC-135/135CR/136 EXPLODED VIEW (CD MECHANISM) DPU1 DFPC1 (X32) φ : N09-4460-15 M1.6x6.0 : N09-6317-05 M1.7x2.5 : N09-6004-15 M2x2 : N09-6007-15 φ 2x5(BLK) : N09-6051-15 1.6 WASHER : N19-2163-04 M2x2 : N39-2020-48 φ 2x3.5 : N09-6108-15 φ : N09-6155-15 Parts with the exploded numbers larger than 700 are not supplied.
Page 31: Exploded View (Unit)
KDC-135/135CR/136 EXPLODED VIEW (UNIT) DME1 : N24-3015-48 : 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) (X16-) (X16) (X16) (X16) (X34) (X16) (X16) (X16) (X34-) (X16) Depends on the models. Refer to the parts list.
Page 32: Parts List
PAN HEAD TAPTITE SCREW CK73GB1H104K CHIP C 0.10UF CK73GB1H104K CHIP C 0.10UF K4 : KDC-135 K5 : KDC-135CR M7 : KDC-136 Indicates safety critical components. (E : Europe K : North America M : Other Areas W : Without Europe)
Page 33 18PF R60,61 RK73GB2A153J CHIP R J 1/10W C203 CC73GCH1H220J CHIP C 22PF K4 : KDC-135 K5 : KDC-135CR M7 : KDC-136 Indicates safety critical components. (E : Europe K : North America M : Other Areas W : Without Europe)
Page 34 R703,704 RD14BB2C223J J 1/6W R116,117 RD14BB2C103J J 1/6W R705,706 RD14BB2C181J J 1/6W K4 : KDC-135 K5 : KDC-135CR M7 : KDC-136 Indicates safety critical components. (E : Europe K : North America M : Other Areas W : Without Europe)
Page 35 2SC4081 TRANSISTOR J22-0474-12 MOUNTING HARDWARE J22-0519-03 MOUNTING HARDWARE UMC2N TRANSISTOR J90-1138-31 GUIDE K4 : KDC-135 K5 : KDC-135CR M7 : KDC-136 Indicates safety critical components. (E : Europe K : North America M : Other Areas W : Without Europe)
Page 36 T42-1066-14 DC MOTOR (SPINDLE) T42-1067-14 DC MOTOR (LOADING/SLED) DPU1 X93-2130-01 OPTICAL PICKUP ASSY (LF) K4 : KDC-135 K5 : KDC-135CR M7 : KDC-136 Indicates safety critical components. (E : Europe K : North America M : Other Areas W : Without Europe)
Page 37 KDC-135/135CR/136 PARTS LIST 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. 5 = Value...
Page 38: Specifications
Weight ............3.1lbs (1.40kg) D/A Converter ..............1Bit Spindle speed ......... 500~200rpm (CLV) Wow & Flutter ........Below Measurable Limit KENWOOD follows a policy of continuous advancements Frequency response (±1dB) ......10Hz~20kHz in development. For this reason specifications may be changed without notice.

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Kenwood KDC-135 Service Manual

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