Kenwood K-525, Service Manual

Page 1: ...WINDOW B10 5679 08 GRILLE ASSY A60 2578 08 BK A60 2600 08 S S Silver BK Black TOP CASE R A01 4818 08 BK A01 4820 08 S TOP CASE L A01 4819 08 BK A01 4821 08 S CASE HOLDER B07 2802 08 BK B07 2801 08 S REAR CASE A80 4653 08 Front view Top view Power Cord x 1 E30 7418 08 E type E30 7419 08 X type Remote control batteries LR03 AAA x 2 FM indoor antenna x 1 T90 0938 08 REMOTE CONTROL UNIT x1 RC F0513E A...

Page 2: ...displayed This unit is reset The marking this product has been classifed as Class 1 It means that there is no danger of hazardous radiation outside the product Location Back panel The marking of products using lasers LASER PRODUCT CLASS 1 Information on Disposal of Old Electrical and Electronic Equipment and Batteries applicable for EU countries that have adopted separate waste collection systems ...

Page 3: ...3 The versions of the MAIN Microcomputer and the CD MECHA Microcomputer are displayed for 2 seconds Display example M 3 3 C 3 2 MAIN Microcomputer Ver 3 3 CD MECHA Microcomputer Ver 3 2 Rear view JACK E11 1029 08 x 2 JACK E11 1028 08 OPTICAL RECEIVER W02 4709 08 AC JACK E35 4096 08 USB CONNECTOR E58 0110 08 FM TUNER W02 4750 08 RCA JACK E63 1443 08 ...

Page 4: ...202 Cirrus Logic VFD Driver IC401 L R Interface FL Display R SPK L LC OUTPUT Filter for H Bridge PWM1 PWM1 PWM2 PWM2 LRCK1 BCK1 iPod LRCK1 BCK1 LRCK1 BCK1 Resonator IC602 IC603 CD MECHA TANASHIN TN 2007 PICK UP JVC OPTIMA726A2E DSP IC8 DRIVER IC15 SDRAM 64M IC207 CP 2 0 Analoge Multiplexer IC601 ST Tuner TN601 IPOD USB AUX AC DC SMPS POWER BLOCK I C EXPANDER MCLK OSC OSC101 SDATA_IN0 MCLK MCLK Dig...

Page 5: ...214 R221 R219 R216 R217 C223 R223 C345 R224 C213 R220 R341 R218 R340 R227 Q204 R253 Q202 C269 Q203 R252 R254 FB207 C266 C268 C283 C271 C273 C282 IC202 C272 C322 FB206 R241 R238 C264 C313 C311 R236 R237 C312 C251 FB205 R235 C314 R239 R333 FB210 C285 R330 R329 R267 R281 R280 C279 R285 R242 R243 R244 C259 C260 C262 FB209 R245 C344 R246 C187 C263 C261 C148 IC104 Q103 C265 C183 C184 R164 Q101 Q205 R171...

Page 6: ...03 FB603 C653 R648 R644 R645 R642 R649 C638 IC610 JK602 JK604 FB635 FB636 FB632 C605 JK603 FB605 C606 C672 FB631 L602 R676 R675 C675 C676 R677 R678 Q610 Q611 C612 C628 C622 IC601 C623 C629 C624 C626 C616 C673 C627 C615 C647 C637 C633 C635 C636 IC602 C632 C634 SF101 SF102 FB634 JK606 JK601 JK605 C621 FB614 R624 R627 R615 R621 R619 R618 Q601 R656 R610 Q602 R657 R609 FB608 C625 C614 C613 C630 FB607 R...

Page 7: ...K 525 7 FB632 JK604 JK603 FB634 CN601 TN601 CP601 SF102 SF101 JK606 JK601 FB634 JK605 AUDIO U K525 K525 Kenwood 2011 02 18 P S 7020 07012 000 1S Rev 6 0 Audio SIDE B ...

Page 8: ...2 C415 R412 R414 C410 C413 RMC401 C409 LD401 R461 R459 R460 R458 R457 R455 R456 R454 R453 R452 R451 R450 R449 R448 R447 R446 R445 R444 R443 R442 R441 R440 R438 R439 R437 R436 R435 R434 R433 R432 R431 R430 R429 R428 R427 R426 R425 R424 R423 R422 R421 R420 R418 R419 R417 R416 R415 R413 CN401 IC401 FL401 CN402 RMC401 LD401 Rev 6 0 U K525 K525 Kenwood 2011 02 18 FRONT P S 7020 07012 000 1S Front SIDE ...

Page 9: ...B708 D703 C702 D706 D705 C701 R715 C709 C712 Q702 R721 R722 C704 R709 C703 D707 R718 R717 Q701 R720 R719 FB703 FB706 C707 C710 C711 L701 R702 R701 R703 R704 D501 D502 R506 R510 R503 R508 R504 R507 R502 C503 C504 FB707 CN702 JK701 SW506 SW502 SW507 SW504 SW503 SW508 SW505 SW510 SW501 CN501 CN703 IPOD U K525 K525 Kenwood P S 7020 07012 000 1S 2011 02 18 Rev 4 0 KEY iPod SIDE A iPod SIDE B ...

Page 10: ... C100 R43 C101 C41 C40 CT5 CN23 CT3 C86 C60 R178 C6 R124 C80 L19 C5 C8 L2 C59 C84 R121 C88 R111 C34 R112 CN1 CT6 IC15 IC8 C90 R1 R2 R119 R7 R3 C68 C66 C67 C25 R87 R91 R90 R38 C77 L11 X2 RA1 RA4 RA5 RA7 CT1 IC4 CT8 R35 C21 R69 R68 CT9 L3 C79 R183 R19 R187 R23 R189 R24 R5 C23 C22 C33 C89 C94 VT1 VF1 VF2 VT2 IC14 CD SIDE A ...

Page 11: ... Q6 Q8 R127 R105 R162 R161 R102 R104 C9 C145 R160 R55 R54 C10 C24 R65 R137 R140 R136 C131 C132 R135 C31 C2 R54 L14 C11 C12 C14 C13 R6 R149 R150 R8 R159 R157 R92 R93 R154 R156 R155 R158 C151 C81 R50 C27 R47 C26 R52 C29 C28 R51 C91 Q7 R75 C105 C47 C109 C138 L5 C85 R86 R134 C71 C69 C72 C104 C110 R99 C74 C36 L7 C48 R88 C70 Q5 R61 R84 C95 C64 C65 L15 L16 L13 IC3 RA3 R70 C54 RA2 R30 C55 RA6 R31 R14 R89 ...

Page 12: ...EN1 MA_IPOD_ 5V FB108 MA_VCC5 MA_M_GND MA_VCC9 MA_VCC33 MA_CD_RST MA_D LINK_CTRL MA_CD_EM_EJT MA_SPDIF_DIN1 MA_DIR_RST MA_CD_CRQ MA_CD_SCL MA_CD_SDA MA_VCC33 MA_SPDIF_DIN0 MA_SPDIF_DIN1 MA_D MA_D MA_USB_DETECT MA_VCC33 MA_VCC33 MA_ VCC33 MA_4052_L_IN MA_4052_R_IN C136 R162 R166 C109 Q101 R167 C110 Q102 R164 C137 R165 C140 Q103 C141 MA_MVC33 MA_A_MUTE C135 R163 R173 R174 IC104 R175 R171 C183 C184 C...

Page 13: ...DSP_LRCK MA_ADC_BCK MA_DSP_BCK MA_ADC_MCLK MA_DSP_MCLK MA_DAC_MCLK MA_AMP_MCLK MA_DIR_I2S_DOUT MA_VCC33 MA_DIR_GPO0 MA_DIR_GPO1 MA_I2C_SDA MA_I2C_SCL MA_TUNED MA_T_SDA MA_T_SCL MA_USB_DETECT MA_4052_B MA_TST MA_RDATA MA_RCLK MA_VCC33 MA_ VCC33 MA_A MUTE MA_4052_A MA_VDD9_A MA_VCC9 MA_VCC5 MA_ADC_DOUT MA_AMP_MCLK MA_DAC_MCLK MA_DSP_MCLK MA_DSP_BCK MA_DSP_LRCK MA_DIR_I2S_DOUT MA_DIR_RST MA_DIR_GPO0 ...

Page 14: ...PWRSNS MA_MVCC33 MA_ 4 3V VFD MA_ 27V VKK MA_VFD MA_VD_GND MA_VCC5 MA_VCC9 MA_PVDD20 MA_M_GND MA_PWR_CTRL MA_VCC33 MA_VCC5 MA_AMP_MCLK MA_DSP_MCLK MA_DAC_MCLK MA_DSP_BCK MA_DSP_LRCK MA_DIR_I2S_DOUT MA_ADC_DOUT MA_ADKEY1 MA_ADKEY2 MA_DSP_LRCK MA_DSP_BCK MA_PLL_CTRL1 MA_PLL_CTRL2 MA_DSP_MCLK MA_DIR_I2S_DOUT MA_ADC_DOUT MA_MVCC33 MA_RMCN MA_FLRST MA_FL_DATA MA_FL_CLK MA_FLCE MA_HP_SELECT_IN MA_HP_L_O...

Page 15: ...R342 C306 L203 1 L203 2 R237 C321 FB215 DGND AO_GND CP202 C241 C242 C244 R232 C245 C243 R231 C237 C236 L205 2 L205 1 IC303 C227 C228 C231 C232 C235 C234 C233 C229 C230 C255 R250 C254 R240 C319 C320 R320 C286 C287 R319 R234 C249 C248 C247 C250 R233 C246 CP201 C291 R339 C292 R338 C239 C238 MA_VDD9_A MA_PVDD20 MA_VCC33 MA_SYSRST MA_TASPD MA_SDATA2 MA_SDATA1 MA_SDATA0 MA_AMP_BCK MA_DAC_BCK MA_AMP_LRCK...

Page 16: ... IC603 B C644 IC603 A C640 JK603 FB605 C605 C606 TN601 JK604 FB635 FB636 L602 FB631 FB632 JK605 JK606 FB613 C648 C649 FB612 FB611 R611 C647 C673 C618 R613 C617 R612 C671 Q604 R681 R652 Q605 R680 Q606 Q603 C615 C616 R659 R658 R661 R660 R629 Q601 Q602 R657 R656 FB610 C625 C630 FB608 FB607 C613 R609 C614 R610 R663 R662 C610 C611 C612 C676 C675 R676 R678 C670 FB618 FB615 R606 R607 R605 R626 R604 R653 ...

Page 17: ..._D JK_REC_L_IN JK_REC_R_IN VCC5_JK JK_HP_SELECT_OUT JK_HP_L_IN JK_HP_R_IN JK_A MUTE VCC33_JK JK_ VCC33 JK_USB_D VCC5_JK JK_USB_PCTL JK_USB_D JK_A MUTE JK_TST JK_T_SCL JK_T_SDA JK_TUNED JK_RCLK JK_RDATA JK_ VCC33 VCC33_JK VCC5_JK VDD9_JK JK_D LINK_CTRL JK_SPDIF_DOUT0 JK_4052_A JK_4052_B JK_4052_L_OUT JK_4052_R_OUT JK_REC_L_IN JK_REC_R_IN JK_HP_SELECT_OUT JK_HP_L_IN JK_HP_R_IN VCC5_JK R615 C619 R616...

Page 18: ...10 LCD_SG11 LCD_SG12 LCD_SG13 LCD_SG14 LCD_SG15 LCD_SG16 LCD_SG17 R413 R415 R416 R417 R418 R419 R420 R421 R422 R423 R424 R425 R426 R427 R428 R429 R430 R431 R432 CN401 C404 C403 R404 R403 R410 R411 R412 R402 R405 R406 R407 R408 R409 C414 C412 C407 C408 C411 C402 C401 R401 Q401 Q402 LD401 R414 C410 RMC401 C409 C413 C405 C406 LCD_AD1 LCD_SG1 LCD_SG2 LCD_SG3 Display ...

Page 19: ...4 LCD_SG35 LCD_GR1 LCD_GR2 LCD_GR3 LCD_GR4 LCD_GR5 LCD_GR6 LCD_GR7 LCD_GR8 LCD_GR9 LCD_GR10 LCD_GR11 LCD_GR12 LCD_VFL FL401 C401 R401 C406 IC401 LCD_GR12 LCD_GR11 LCD_GR10 LCD_GR9 LCD_GR8 LCD_GR7 LCD_GR6 LCD_GR5 LCD_GR4 LCD_GR3 LCD_GR2 LCD_GR1 LCD_SG35 LCD_SG34 LCD_SG33 LCD_SG32 LCD_SG31 LCD_SG30 LCD_SG29 LCD_SG28 LCD_SG27 LCD_SG26 LCD_SG25 LCD_SG24 LCD_SG23 LCD_SG22 LCD_SG21 LCD_SG5 LCD_SG6 LCD_S...

Page 20: ...D_VBUS IPD_ACC_ID IPD_D IPD_D IPD_IPOD_AGND IPD_GND_SENSE C709 D702 D703 D704 C712 D707 IPD_ACC_DE IPD_IPOD_GND R722 Q702 R721 R709 TP8 C703 C704 IPD_IPOD_GND C701 C702 R718 R717 R719 Q701 R72 FB703 FB706 R701 R704 R702 R703 CN501 D501 IPD_IPOD_SGND D502 SW501 SW502 SW503 R502 R503 R504 SW504 C504 C503 SW505 SW506 SW507 SW508 SW510 R506 R507 R508 R510 Key iPod ...

Page 21: ...23 To Main 1 CP122 R720 C707 FB709 FB710 FB711 FB712 R715 IPD_GND_SENSE IPD_IPOD_AGND IPD_IPOD_GND IPD_IPOD_EN IPD_IPOD_EN IPD_IPOD_AGND1 IPD_IPOD_EN1 IPD_GND_SENSE1 IPD_IPOD_GND1 FB707 CN703 CN702 IPD_D IPD_IPOD_SGND IPD_D ...

Page 22: ...UDIO R178 C86 DGND_D2 C81 C60 DGND L2 C40 C41 MGND MGND TP56 TP55 TP58 TP57 TP60 TP59 TP61 M_8V IC15 R157 R159 R158 R8 C91 C90 R149 R150 CT3 R6 TK_IN FC_IN TK_IN LRCK CP_CLK CP_DATA MRCK SPO_SPDIFO BCLK C1 TP2 TP3 TP4 Q7 R125 R75 DGND INSERT_SW R1 C108 C109 TP1 SL_IN SP_IN BIAS FC_IN RESETN R3 R7 R119 R2 C87 R9 C75 C76 FE_LD1_LAS C67 FE_MD_LAS FE_LD_LAS C85 C66 C68 R84 1V8A 1V8D 3V3A_IC R90 R87 3V...

Page 23: ...USB_CLK 3V3VIN C59 R121 R89 TP23 TP22 DR_BA1 DR_BA0 DR_AQ11 DR_AQ9 DR_AQ8 DR_AQ7 DR_AQ6 DR_AQ5 DR_AQ4 DR_AQ10 RA7 RA6 DR_AQ3 DR_AQ2 DR_AQ1 DR_AQ0 DR_WE DR_CAS DR_RAS DR_CKE DR_CLK RA5 DR_A11 DR_A10 DR_A9 DR_A8 DR_A7 DR_A6 DR_A5 C83 DR_A4 DR_A3 DR_A2 DR_A1 C82 DR_A0 C98 RA4 TP10 DR_D15 DR_D14 DR_D13 DR_D12 DR_DQ15 DR_DQ14 DR_DQ13 DR_DQ12 GPB9 GPB10 TP11 TP12 DR_D11 DR_D10 3V3DD DGND C93 C73 DR_AQ3 ...

Page 24: ...30 32 33 41 30 33 32 33 30 33 19 49 2 61 33 18 17 62 46 33 33 63 28 32 44 20 31 32 32 32 33 62 15 32 32 32 30 16 7 13 43 43 32 32 14 28 9 55 11 10 32 3 32 25 12 25 4 33 32 32 33 33 35 702 709 719 724 731 728 722 722 725 708 711 705 702 701 701 721 726 701 703 701 702 706 704 707 715 718 713 716 732 712 701 730 703 721 717 701 727 701 729 714 702 711 702 710 701 E TYPE X TYPE Block No M M M 1 Parts...

Page 25: ... 525 S 22 A01 4818 08 TOP CASE R K 525 BK 22 A01 4820 08 TOP CASE R K 525 S 25 G02 1764 08 DOOR SPRING x2 28 N09 5642 08 SCREW 3x8mm x10 K 525 BK 28 N09 5643 08 SCREW 3x8mm x10 K 525 S 29 N09 5640 08 SCREW 3x10mm x4 K 525 BK 29 N09 5641 08 SCREW 3x10mm x4 K 525 S 30 N09 5644 08 SCREW 3x12mm x22 31 N89 2004 48 SCREW 2x4mm x3 32 N89 3010 43 SCREW 3x10mm x43 33 N89 3008 43 SCREW 3x8mm x40 34 N89 3018...

Page 26: ...K C CAPACITOR 0 1uF 50V C170 CC73GCH1H470J C CAPACITOR 47pF 50V C171 C90 5907 08 C CAPACITOR 0 022uF 50V C172 CK73GB1H102K C CAPACITOR 1000pF 50V C173 CK73GB1H104K C CAPACITOR 0 1uF 50V C174 CK73GB1H104K C CAPACITOR 0 1uF 50V C175 C90 5901 08 E CAPACITOR 10uF 16V C176 CK73GB1H104K C CAPACITOR 0 1uF 50V C177 C90 5901 08 E CAPACITOR 10uF 16V C178 CC73GCH1H220J C CAPACITOR 22pF 50V C179 CK73GB1H104K ...

Page 27: ...V C292 CC73GCH1H331J C CAPACITOR 330pF 50V Symbol No Part No Part Name Description Local C293 CK73GB1H104K C CAPACITOR 0 1uF 50V C294 C90 5903 08 E CAPACITOR 100uF 16V C295 CK73GB1H104K C CAPACITOR 0 1uF 50V C296 CK73GB1H104K C CAPACITOR 0 1uF 50V C297 C90 5906 08 E CAPACITOR 220uF 16V C298 CK73GB1H104K C CAPACITOR 0 1uF 50V C299 CK73GB1H104K C CAPACITOR 0 1uF 50V C300 C90 5903 08 E CAPACITOR 100u...

Page 28: ...07 L92 0891 08 BEAD COIL Symbol No Part No Part Name Description Local R208 RK73GB2A222J RESISTOR 2 2kΩ 1 16W R209 RK73GB2A102J RESISTOR 1kΩ 1 16W R210 RK73GB2A102J RESISTOR 1kΩ 1 16W R211 L92 0891 08 BEAD COIL R212 RK73GB2A101J RESISTOR 100Ω 1 16W R213 RK73GB2A101J RESISTOR 100Ω 1 16W R214 RK73GB2A101J RESISTOR 100Ω 1 16W R215 RK73GB2A101J RESISTOR 100Ω 1 16W R217 RK73GB2A103J RESISTOR 10kΩ 1 16W...

Page 29: ... RESISTOR 10kΩ 1 16W R327 L92 0891 08 BEAD COIL R328 RK73GB2A103J RESISTOR 10kΩ 1 16W R332 RK73GB2A102J RESISTOR 1kΩ 1 16W R336 RK73GB2A103J RESISTOR 10kΩ 1 16W R337 RK73GB2A103J RESISTOR 10kΩ 1 16W R338 RK73GB2A180J RESISTOR 18Ω 1 16W R339 RK73GB2A180J RESISTOR 18Ω 1 16W R340 RK73GB2A102J RESISTOR 1kΩ 1 16W R341 RK73GB2A102J RESISTOR 1kΩ 1 16W R342 RK73GB2A151J RESISTOR 150Ω 1 16W Symbol No Part ...

Page 30: ...0pF 50V C668 CK73GB1H104K C CAPACITOR 0 1uF 50V C669 C90 5908 08 C CAPACITOR 1uF 50V C670 CK73GB1H104K C CAPACITOR 0 1uF 50V Symbol No Part No Part Name Description Local C671 CK73GB1H104K C CAPACITOR 0 1uF 50V C672 CK73GB1H104K C CAPACITOR 0 1uF 50V C673 CE32BM1C221M E CAPACITOR 220uF 16V C674 CK73GB1H103K C CAPACITOR 0 01uF 50V C675 CC73GCH1H100D C CAPACITOR 10pF 50V C676 CC73GCH1H100D C CAPACIT...

Page 31: ...ISTOR Q402 KTC3875Y 1 CHIP TRANSISTOR C401 CC73GCH1H470J C CAPACITOR 47pF 50V C402 CK73GB1C105K C CAPACITOR 1uF 16V C403 CK73GB1H104K C CAPACITOR 0 1uF 50V C404 C90 5901 08 E CAPACITOR 10uF 16V C405 C90 5902 08 E CAPACITOR 10uF 50V C406 CK73GB1H104K C CAPACITOR 0 1uF 50V C407 CC73GCH1H101J C CAPACITOR 100pF 50V C408 CC73GCH1H101J C CAPACITOR 100pF 50V C409 C90 5903 08 E CAPACITOR 100uF 16V C410 CK...

Page 32: ...A103J RESISTOR 10kΩ 1 16W R715 RK73GB2A101J RESISTOR 100Ω 1 16W R717 RK73GB2A104J RESISTOR 100kΩ 1 16W R718 RK73GB2A913J RESISTOR 91kΩ 1 16W R719 RK73GB2A104J RESISTOR 100kΩ 1 16W Symbol No Part No Part Name Description Local R720 RK73GB2A472J RESISTOR 4 7kΩ 1 16W R721 RK73GB2A472J RESISTOR 4 7kΩ 1 16W R722 RK73GB2A104J RESISTOR 100kΩ 1 16W L701 L33 2712 08 CHIP COIL FB703 L92 0890 08 BEAD COIL FB...

Page 33: ...PACITOR 0 1uF 50V C104 CK73GB1C105K C CAPACITOR 1uF 16V C105 CK73GB1H104K C CAPACITOR 0 1uF 50V C108 CK73GB1C105K C CAPACITOR 1uF 16V Symbol No Part No Part Name Description Local C109 CK73GB1C105K C CAPACITOR 1uF 16V C110 CK73GB1C105K C CAPACITOR 1uF 16V C121 CK73GB1H104K C CAPACITOR 0 1uF 50V C122 CK73GB1H104K C CAPACITOR 0 1uF 50V C131 CK73GB1H104K C CAPACITOR 0 1uF 50V C132 CK73GB1H104K C CAPA...

Page 34: ...OR 4 7kΩ 1 16W R178 RK73GB2A105J RESISTOR 1MΩ 1 16W R180 RK73GB2A000J RESISTOR 0Ω 1 16W R183 RK73GB2A000J RESISTOR 0Ω 1 16W R184 RK73GB2A000J RESISTOR 0Ω 1 16W R186 RK73GB2A000J RESISTOR 0Ω 1 16W R189 RK73GB2A000J RESISTOR 0Ω 1 16W R194 RK73GB2A103J RESISTOR 10kΩ 1 16W RA1 R92 4749 08 NET RESISTOR 47Ω 1 16W RA2 R92 4749 08 NET RESISTOR 47Ω 1 16W RA3 R92 4749 08 NET RESISTOR 47Ω 1 16W RA4 R92 4749 ...

Page 35: ...K 525 35 MEMO ...

Page 36: ...52 8 kHz USB section Compatible USB devices USB mass storage class devices Interface USB 2 0 Full speed USB 1 1 compatible Compatible file system FAT 16 32 Maximum supply current 500 mA Digital section Compatible sampling frequencies 32k 44 1k 48k Hz Input connectors Sensitivity Wavelength Optical 15 dbm to 24 dbm 660 nm 30 nm Speakers section Enclosure Bass reflex system Speakers 80 mm cone type ...