Kenwood KDC-135 Page 1 Service Manual Download

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CD RECEIVER

KDC-135/135CR
KDC-136

SERVICE MANUAL

* Depends on the model. Refer to the parts list.

Panel assy
KDC-135 (A64-4040-12)

Panel assy
KDC-135CR (A64-4041-12)

SPARE TDF PANEL

MAIN UNIT NAME

TDF PARTS No.

TDF NAME

KDC-135

Y33-2630-64

TDF-71D

KDC-135CR

Y33-2630-65

TDF-71DCR

KDC-136

Y33-2640-64

TDF-136

Panel assy
KDC-136 (A64-4039-02)

* Carrying case
(W01-1692-05)

Mounting hardware assy
(J21-9716-03)

Lever
(D10-4589-04) x2

DC cord
(E30-6415-15)

Screw set
(N99-1757-05)

* Escutcheon
(B07-xxxx-xx)

* Plastic cabinet assy
(A02-2736-03)

Screw (4x16)
(N84-4016-48)

KDC-135

AUTO

AME

SCAN

RDM

REP

CLK

VOL

ATT

AUD

SET UP

B.BOOST

KDC-135CR

AUTO

AME

SCAN

RDM

REP

CLK

VOL

ATT

AUD

SET UP

B.BOOST

KDC-136

AUTO

AME

SCAN

RDM

REP

CLK

VOL

ATT

AUD

SET UP

B.BOOST

This product uses Lead Free solder.

Summary of Contents for KDC-135

Page 1: ...C 136 Y33 2640 64 TDF 136 Panel assy KDC 136 A64 4039 02 Carrying case W01 1692 05 Mounting hardware assy J21 9716 03 Lever D10 4589 04 x2 DC cord E30 6415 15 Screw set N99 1757 05 Escutcheon B07 xxxx xx Plastic cabinet assy A02 2736 03 Screw 4x16 N84 4016 48 KDC 135 AUTO AME AM SCAN RDM REP FM CLK SW VOL ATT AUD SET UP MENU B BOOST KDC 135CR AUTO AME AM SCAN RDM REP FM CLK VOL ATT AUD SET UP MENU...

Page 2: ...ONE ACC DET BU DET PS1 1 PS1 2 PS1 3 P ON FL PS2 1 PS2 2 9 5 10 BU DET 1 1 3 MUTE 1 2 3 3 ROM CORRECTION NOT USED 1 REAR SW 1 1 1 1 P ANT P CON B U ACC PHONE SP OUT PS2 1 PS2 2 PS1 1 PS1 2 PS1 3 R103 1 DPU1 CD PLAYER UNIT X32 598x xx BOARD X34 MOTHER E F A C B TR COIL FO COIL APC IC1 16 93MHz CLOCK IC6 8V SW 3 3V REG IC3 LOADING RF AMP SERVO PROCESSOR MOTOR DRIVER MOTOR SPINDLE 3 3V REG IC2 S2 S4 ...

Page 3: ...e 4 transistors goes Hi pre out is muted Q705 Mute Driver for Pre out ON when the base goes Lo Q901 DC Offset DET ON when the base goes Hi after Q902 s and Q903 s outputs are separated Q902 903 DC Offset DET SW ON when the bases go Lo after IC6 s SP OUTs DC are separated SWITCH UNIT X16 388x xx Ref No Application Function Operation Condition Compatibility IC1 LCD Driver IC2 Remote Control Sensor Q...

Page 4: ...oltage Prevention from MECHA µ COM side D3 Laser Diode Protection Prevents reverse bias which is applied to laser Laser destruction prevention D4 Static Electricity Countermeasure Prevents malfunction by static electricity COMPONENTS DESCRIPTION SYSTEM µ COM IC1 on X34 ELECTRIC UNIT Pin No Pin Name I O Application TruthValue Processing Operation Description Table 1 LX DATA M I O Data to slave unit...

Page 5: ...C Not used Output L fixed 38 CD LOS SW I CD loading detection 39 PIO0 I Communication request from mechanism DSP H Data request 40 CD MSTOP O CD mechanism µ com stop H Mechanism µ com operates L Mechanism µ com stops 41 EPM I Flash EPM input Connects to VSS 42 CD LOE LIM SW I CD detection Chucking SW H Loading completed L No disc 43 PON CD O CD mechanism power supply control H Power ON 44 CD LOEJ ...

Page 6: ...n model terminal 75 LX REQ S I Communication request from slave unit Pull down GND 76 PWIC SVR O SVR discharging circuit During 500ms after momentary power down H Since then L 77 PWIC STBY O Power IC standby control Power ON H Power OFF L 78 PWIC MUTE O Power IC mute STANDBY source Momentary power down L TEL mute L 79 ACC DET I ACC power supply detection ACC found L No ACC H BU found L No BU Momen...

Page 7: ...ON O VREF control Connects to VREF 98 VREF 99 AVCC 100 LX DATA S I Data from slave unit Pull down GND MICROCOMPUTER STERMINAL DESCRIPTION Truth value table q CD motor control CD motor CD loading eject Stop L L Load H L Eject H H Brake H Hi z e Destination switching TYPE 2 TYPE 1 Model Pin 86 Pin 85 0V 0V KDC 135 0V 2 4V KDC 135CR 1 2V 0V KDC 136 r Power supply IC IC4 control SEL1 Pin 10 PS1 2 PS1 ...

Page 8: ... up in the test mode change the LINE MUTE inhibition time from 10 seconds to 1 second When operating in the test mode even if a DC offset error occurs detection information is not written in the E2PROM Forced disc ejection is prohibited in the test mode How to clear the test mode Procedure Note Reset momentary power down ACC OFF Power OFF Panel detached Clearing the test mode Test mode default con...

Page 9: ... disc operation time Cleared only for displayed media 5 Disc EJECT times display E J C X X X X X Disc EJECT times display MAX 65535 times 5 While disc EJECT times is displayed press and hold for 2 seconds or longer to clear disc EJECT times 6 Panel open close P C X X X X X PANEL open close times display MAX 65535 times 6 times display Press the key for more than 2 seconds while the PANEL open clos...

Page 10: ... X E Ejection error switch 2 display XX Number of errors is displayed in case there is no error J E R 3 X X E Ejection error switch 3 XX Number of errors is displayed in case there is no error J E R 4 X X E Ejection error switch 4 XX Number of errors is displayed in case there is no error CD time code O S E L CD time code error count data Missing counts mode display error count D D A X X C Number ...

Page 11: ...ar 8 3 9 Clear the FST adjustment mode Returns to normal display and the test mode is retained After completing the FST adjustment if You wish to clear the test mode You can do this using the reset button Test mode specifications in CD source Procedure in CD DA media KTD 02A Key Description of display Description Track up procedure Every time pressed jumps to the track shown below No 9 No 15 No 10...

Page 12: ...ue Through woofer Only in models with Sub Woofer output Volume VOL knob and key Adjust to 2 steps of 8 0 Default value 0 Other than model with internal AUX Offset Adjust to 3 steps of 8 0 8 Default value 0 Only models with internal AUX Procedure Note Press the B BOOST key for 1 second or longer Switch Bass Boost Note Front key functions as MENU MENU related test mode Procedure Note Press the B BOO...

Page 13: ...error DC offset error 2 display Provides information on the number of capacitor leaks Clearing DC offset error detection data E2PROM data clearing Procedure Note While pressing and holding 3 key and 6 key reset start Entering DC offset error display mode Procedure Display Description Press and hold the 3 and E R d C When DC offset error is detected when either one of capacitors is 6 keys and reset...

Page 14: ... Press key or key E A D R Front end A1 Mother unit X34 Data transfer processing R T W Mother unit X34 Front end A1 Data transfer processing In the above ROM READ R Front end A1 Mother unit X34 ROM data is being transferred status key for O K R Front end A1 Mother unit X34 2 seconds or longer ROM correction transfer security and other data is OK 0 2 R Front end A1 Mother unit X34 Transfer of securi...

Page 15: ...ied as a service part in which data was inserted Data to be copied ROM correction data Other data Security data DEMO MODE ON OFF status POWER ON time For maintenance Playback time For maintenance EJECT count For maintenance Panel open close count For maintenance CD I2C status For maintenance CD offset error code For maintenance CD sound skips count For maintenance CD time code not updated count Fo...

Page 16: ...C1 Mother unit X34 r Press key Exit ROM data transfer mode Turn power off Remove front end A1 Install new front end A1 No ROM correction or other data status FRONT END A1 E2PROM E2PROM SYSTEM µ COM IC1 Mother unit X34 t FRONT END A1 E2PROM E2PROM SYSTEM µ COM IC1 Mother unit X34 y System µ COM IC1 copies data on the mother unit X34 into E2PROM in the front end A1 WRT OK In case of 2 or 3 In case o...

Page 17: ... reset button Enter the system in the test mode Press B BOOST key ROM data System enters data trans fer mode Press or Select WRT Press key for 1 second or longer Data transfer FRONT END A1 E2PROM E2PROM SYSTEM µ COM IC1 Mother unit X34 e System µ COM IC1 copies the ROM correction data on the mother unit X34 into E2PROM in the front end A1 WRT OK1 W O1 FRONT END A1 E2PROM E2PROM SYSTEM µ COM IC1 Mo...

Page 18: ...r data status Turn power on Press and hold the 1 and 3 keys press reset button Enter the system in the test mode Press B BOOST key Enter the system in ROM data transfer mode Press or Select WRT Press key for 1 second or longer Data transfer Press key Exit ROM data transfer mode FRONT END A1 E2PROM E2PROM SYSTEM µ COM IC1 Mother unit X34 y System µ COM IC1 copies data on the mother unit X34 into E2...

Page 19: ...34 R2 C5 R12 R30 C4 C3 C2 R3 C1 R1 C6 C7 R5 R6 R7 R8 R9 R10 R11 CP1 1 64 33 32 17 16 48 49 1 2 19 20 D31 D32 D33 D34 D35 D36 D37 Q1 J1 IC1 ILL B PAN5 SW5 ESD GND ILL D GND PAN DET RTRY CCW RTRY CW REM RST DATAL CE CLK DATAS AUX R KI1 KI2 KI3 KI4 KI5 KS2 KS3 KS4 KS5 AUX G AUX L GUARD SWITCH UNIT X16 388x xx J76 0362 02 X16 388x xx Ref No Address IC1 5D Q1 5D PC BOARD COMPONENT SIDE VIEW FOIL SIDE V...

Page 20: ...801 D102 D104 Q3 Q7 Q9 Q901 Q902 Q903 D301 IC1 IC8 IC2 IC3 W14 W100 W304 W102 W54 W802 W18 C7 W55 R109 W30 W20 W301 W52 C2 C5 C6 C15 C401 W803 C809 C805 C807 W804 W36 W48 W47 W26 W27 W28 W45 R101 1 16 8 9 R102 R106 W21 R116 R219 W305 R208 W6 W46 C301 C302 W66 C801 C802 C803 C804 C901 C902 C1 W42 W43 L1 C808 R1 W15 R2 R11 W5 R3 R15 R103 R107 R112 R209 R210 W51 W309 W308 R R330 R332 R333 R334 R336 R...

Page 21: ... W67 W71 R703 R704 R709 R710 W75 W70 W69 W90 C308 W66 C603 C701 C702 C705 C706 C802 W95 W101 C403 R209 R323 R329 R333 R334 R336 R337 R338 R339 R341 R343 R344 R345 R346 W74 R508 R601 R602 R603 R605 R606 R607 R608 R609 R610 R611 R612 R705 R706 R711 R712 W89 X3 W73 W68 W78 W79 W77 W96 W94 W93 W92 W91 W88 W81 W80 W84 R404 W82 W87 W86 W83 W76 W701 W72 3 D306 D603 A1 J4 J2 P1 D303 J5 D602 D601 D604 D605...

Page 22: ... CP4 C3 R28 R27 R24 CP1 GS D S D G E BC C E B B E B E E B S1 S2 S3 S4 Q6 D2 Q8 Q9 Q3 Q4 D1 CD PLAYER UNIT X32 5980 00 J76 0377 02 X32 5980 00 Ref No Address Q3 4Q Q4 5Q Q6 2Q Q8 2Q Q9 2Q PC BOARD COMPONENT SIDE VIEW Refer to the schematic diagram for the values of resistors and capacitors ...

Page 23: ...0 R101 R37 R39 C72 C74 R33 CP11 R23 R129 R128 R34 R59 R108 C1 1 15 16 30 4 5 1 3 1 24 G I O 16 1 96 97 128 33 64 65 32 1 BE BE E B OSC IN VR LD VCC PD C D A B TRK TRK GND SLD SLD A GND D GND S GND S7V DATA CLK 8EJE SRVMON1 SRVMON0 TX BCLK LRCK BCLK ASEL NPWDOWN SDA BU5V SPDL SRVM RST MRST MUTE MSTOP TP14 FDATA SPDL LOS SW SCLFCLK SPDL TRK FCS Lch TP24 A8V Rch P ON2 P ON1 GND RF ARF Vref TE E F IOP...

Page 24: ...0 01 2 2K R508 330P C514 1 2 3 4 5 6 7 8 Y1B Y0B Y1C ZC Y0C E VEE VSS 16 15 14 13 12 11 10 9 VDD ZB ZA Y1A Y0A SA SB SC 10 R491 0 R973 10 R493 CH L CH G CH R A L A G A R GND 28 27 26 25 24 23 22 21 20 19 18 17 16 15 MIX VREF SAOUT SAIN VDD SDA SCL MUTE OUTLF OUTLR OUTRR OUTRF OUTSW GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 ACOUTR ACINR ACINL ACOUTL SE3L SE3R SE2L SE2R SE1L SE1R DIFFL DIFFG DIFFR CREF 2...

Page 25: ...DS CLK LX REQ M LX MUTE LX CON LX RST ANALOG CON MUTE PON EXT GND TUN IFC OUT RDS AFS M VSS NC VCC2 RDS QUAL RDS DATA DSI NC ROTARY CW ROTARY CCW CD DISC12 SW CD MUTE NC NC NC VFD SYS DATA VFD PAN DATA VFD CLK VFD BLK CD SDA CD SI CD SCL CD SO NC BUCK CD LOS SW PIO0 CD MSTOP SRAMSTB EPM CD LOE LIM SW PON CD CD LOEJ CD MOTOR VFD CE LCD CE CD DRIVEMUTE CD CCE CD DISC8 SW CD MRST LX DATA M LX CLK NC ...

Page 26: ...YES YES YES YES YES YES YES YES YES E TDA7419 KKZ09Z YES YES 47K 47K YES 2 2K 22K YES YES YES KDC MP3036 X34 4630 24 M9 YES YES YES YES YES YES YES YES E TDA7419 KKZ09Z YES YES 22K 47K 47K YES 22K 2 2K YES YES KDC 136 X34 4690 21 M7 YES YES YES YES YES YES YES E TDA7419 TB2904HQ YES 47K 47K 22K 4 7K YES YES YES YES M6 M5 M7 KDC MP336 RC S X34 4630 24 YES YES YES YES YES YES YES YES E TDA7419 KKZ09...

Page 27: ...ILL 470 R24 470 R26 470 R27 470 R28 470 R25 680 R34 680 R29 C1 56K R1 1000P C4 0 047 C3 0 047 C2 0 1 64 61 63 62 4 7K R3 S33 S39 S40 S36 S38 S37 S35 S34 S24 S18 S17 S20 S19 S21 S23 S22 S29 S27 S26 S25 S28 S32 S30 S31 TP12 G R L 2 3 1 1000P C6 1000P C7 TP41 TP40 G R L 3 2 1 VCC VO GND 100K R30 2 2 C5 100 R12 S34 S5 S8 S7 S6 S10 S9 S22 S13 S12 S11 S16 S15 S14 S18 S17 S21 S20 S19 S28 S24 S23 S26 S25 ...

Page 28: ...LDIN CNT 23 22 R60 C35 1000P N C R58 2 2K N C N C 31 32 N C N C 34 33 35 6800P 62 15K FCS R59 27K 69 SLED C36 R62 R61 15K 13K 4 3 N C SDRCK N C N C 37 36 38 N C N C 40 39 41 44 N C N C 42 43 N C N C NCAS 45 46 12EJE SW TP24 LOS 12EJE LOS SW 22 23 N C 24 R24 100 1 4 3 2 A2 GND A1 A0 C17 0 1 R106 2 2 FDATA SDA 8 5 6 7 SCL SDA WP VCC SCL FCLK 100 CP3 120 119 CP1 OUT C4 1 GND IN 0 1 C5 A3 3V TE C21 0 ...

Page 29: ...1 90 IREF DSLF 93 92 ARF C55 0 33 RF C58 680P C57 0 1 PLLFO VCOF 95 PLLF 94 96 2 7K R79 R78 820 C63 1000P C64 0 33 1 16 9344MHz X1 X2 R103 2 2 IOP IOP VC 2 GND 12 FCS UP TRK IN TRK OUT FCS DOWN 15 16 14 13 TRK FCS TRK FCS A GND2 LD VR PD C D S GND C D 7 B F 11 10 A E 9 8 F B A E 6 5 4 3 PD VR GND LD VC 1 VCC 78 76 80 81 75 77 78 75 76 80 77 81 1000P C61 5 6K R54 1K R53 C60 0 022 C59 0 1 R77 82K 1M...

Page 30: ... 15 N09 6155 15 φ2x8 M1 6x6 0 M1 7x2 5 M2x2 φ2x5 BLK 1 6 WASHER M2x2 φ2x3 5 φ2x6 858 K K 52 F X32 DM1 14 24 DFPC1 28 25 16 29 19 31 26 13 12 10 30 27 42 11 17 18 23 45 38 DM2 1 850 849 806 834 807 44 39 40 15 22 G 55 51 8 33 809 36 33 Jx2 H 5 37 53 2 37 43 43 56 37 F F 37 43 43 E Cx2 41 32 35 Ax2 DPU1 B Parts with the exploded numbers larger than 700 are not supplied ...

Page 31: ...3 3005 48 N86 2610 48 N80 3010 48 N83 3005 48 N83 3020 48 N86 2606 48 242 269 209 266 262 223x2 D Dx2 Hx2 Ex2 C C Cx2 A F H G 772 D D D B B F J X34 786 732 701 PA1 261 259 257 256 213 210 241 255 708 253 238 252 251 705 771 254 226 206 204 237 222 236 221 224 DC1 207 201 X34 A1 X16 ED1 X16 284 X16 283 X16 281 X16 285 X16 282 X16 785 X16 725 Depends on the models Refer to the parts list ...

Page 32: ...KEY TOP VOL K4M7 259 3C K29 7141 03 KNOB BASE FM AM 261 3C K28 0195 03 KEY TOP FM AM K5 261 3C K28 0196 03 KEY TOP FM AM K4M7 262 1C N84 4016 48 PAN HEAD TAPTITE SCREW 266 1C N99 1757 05 SCREW SET A 2C N24 3015 48 E TYPE RETAINING RING B 3C N80 2006 48 PAN HEAD TAPTITE SCREW C 2C N80 2008 43 PAN HEAD TAPTITE SCREW D 1D N83 3005 48 PAN HEAD TAPTITE SCREW E 3D N86 2610 48 BINDING HEAD TAPTITE SCREW ...

Page 33: ...73GB2A562J CHIP R 5 6K J 1 10W R53 RK73GB2A102J CHIP R 1 0K J 1 10W R54 55 RK73GB2A562J CHIP R 5 6K J 1 10W R56 RK73GB2A473J CHIP R 47K J 1 10W R57 RK73GB2A273J CHIP R 27K J 1 10W R58 RK73GB2A222J CHIP R 2 2K J 1 10W R59 RK73GB2A273J CHIP R 27K J 1 10W R60 61 RK73GB2A153J CHIP R 15K J 1 10W R62 RK73GB2A133J CHIP R 13K J 1 10W R63 RK73GB2A183J CHIP R 18K J 1 10W R64 RK73GB2A392J CHIP R 3 9K J 1 10W...

Page 34: ... 39K J 1 10W R112 RD14BB2C203J RD 20K J 1 6W R113 RK73GB2A104J CHIP R 100K J 1 10W R114 115 RK73GB2A103J CHIP R 10K J 1 10W R116 117 RD14BB2C103J RD 10K J 1 6W R203 204 RK73GB2A103J CHIP R 10K J 1 10W R205 207 RK73GB2A473J CHIP R 47K J 1 10W R208 RD14BB2C473J RD 47K J 1 6W R209 210 RD14BB2C471J RD 470 J 1 6W R212 RK73GB2A473J CHIP R 47K J 1 10W R218 RK73GB2A223J CHIP R 22K J 1 10W R223 RK73GB2A222...

Page 35: ...E D901 MTZJ4 7 B ZENER DIODE IC1 30302MAPD32FP MICROCONTROLLER IC IC2 E TDA7419 ANALOGUE IC K4M7 IC3 E TDA7418 ANALOGUE IC K5 IC4 BD4913 V4 ANALOGUE IC IC6 KKZ10Z ANALOGUE IC K4K5 IC6 TB2904HQ ANALOGUE IC M7 IC8 S 80836CNNB J MOS IC Q1 UMC2N TRANSISTOR Q2 2SB1565 TRANSISTOR Q3 2SC4081 TRANSISTOR Q4 UMC2N TRANSISTOR M7 Q101 103 2SC4081 TRANSISTOR Q104 105 RT1N441M TRANSISTOR Q301 RT1P144M TRANSISTO...

Page 36: ...AD FREE A 2B N09 4460 15 TAPTITE SCREW PT2X8 B 1B N09 6317 05 TAPTITE SCREW 1 6X6 0 C 2B N09 6004 15 MACHINE SCREW M1 7X2 5 E 2B N09 6007 15 MACHINE SCREW M2X2 F 1A N09 6051 15 TAPTITE SCREW PT2X5 G 2A N19 2163 04 FLAT WASHER 1 6X6X0 25 H 1B N39 2020 48 PAN HEAD MACHINE SCREW M2X2 J 1B N09 6108 15 TAPTITE SCREW M2X3 5 K 3B N09 6155 15 SEMS TAPTITE SCREW PT2X6 DM1 3B T42 1066 14 DC MOTOR SPINDLE DM...

Page 37: ...lue Violet ppm C 0 80 150 220 330 470 750 Tolerance More than 10pF Code C D G J K M X Z P No code 0 25 0 5 2 5 10 20 40 80 100 More than 10µF 10 50 20 20 0 Less than 4 7µF 10 75 Voltage rating 2nd word A B C D E F G H J K V 1st word 0 1 0 1 25 1 6 2 0 2 5 3 15 4 0 5 0 6 3 8 0 1 10 12 5 16 20 25 31 5 40 50 63 80 35 2 100 125 160 200 250 315 400 500 630 800 3 1000 1250 1600 2000 2500 2150 4000 5000 ...

Page 38: ...ode GaAlAs Digital filter D A 8 Times Over Sampling D A Converter 1Bit Spindle speed 500 200rpm CLV Wow Flutter Below Measurable Limit Frequency response 1dB 10Hz 20kHz Total harmonic distortion 1kHz 0 01 Signal to Noise ratio 1kHz 93dB Dynamic range 93dB Audio section Maximum output power KDC 135 135CR 50W x 4 KDC 136 45W x 4 Full Bandwidth Power at less than 1 THD 22W x 4 Speaker Impedance 4 8Ω ...

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