User manual KENWOOD KDC-2024 SERVICE MANUAL

[. . . ] CD RECEIVER KDC-2023 KDC-2024SA/SG/SYA/SYG KDC-2094YA/YG KDC-222/S KDC-3023 SERVICE MANUAL CD mechanism operation description is not in this sarvice manual. Please, refer to sarvice manual X92-4030-0x (B51-7867-00). Panel assy (A64-2867-02): KDC-222 (A64-2868-02): KDC-222S Escutcheon (B07-3060-02): KDC-222 (B07-3022-02): KDC-222S © 2002-11 PRINTED IN JAPAN B53-0004-00 (N) 3379 CD mechanism extension cord : WO5-0618-00 Panel assy (A64-2870-02): KDC-2023 (A64-2873-02): KDC-3023 Escutcheon (B07-3001-02): KDC-2023 (B07-3022-02): KDC-3023 KDC-222 COMPACT DIGITALAUDIO 45Wx4 COMPACT DIGITAL AUDIO KDC-XXXX CD MD-Changer Control 50Wx4 CRSC LOUD SCAN RDM REP CLK ADJ AUTO AME LOUD SCAN RDM REP M. RDM CLK ADJ AUTO AME CRSC OFF AUD OFF AUD Panel assy (A64-2878-02): KDC-2024SA/SG/SYA/SYG Escutcheon Panel assy (B07-3001-02): KDC-2024SA/SG/SYA/SYG (A64-2884-02): KDC-2094YA/YG Escutcheon (B07-3001-02): KDC-2094YA/YG KDC-2024S COMPACT DIGITALAUDIO 45Wx4 COMPACT KDC-2094 WIDE BAND 45Wx4 DIGITALAUDIO MONO LOUD SCAN RDM REP CLK ADJ AUTO AME LOUD SCAN RDM REP CLK ADJ AUTO AME MONO OFF AUD OFF AUD DC cord (E30-4784-05) DC cord(ISO) (E30-4790-05) Mounting hardware assy (J21-9716-03) Plastic cabinet assy (A02-1486-13) Lever (D10-4589-04)x2 Antenna adaptor (T90-0523-05) Screw set (N99-1719-05) Screw set (N99-1610-15) Depends on model. [. . . ] Destination type selection terminal 0 Refer to destination type list. Destination available/genuine model rool off H:genuine model 1 L:available model Destination available/genuine model noise cancel H:genuine model 0 L:available model H:mute on L:mute off Mute (E. Vol, Preset) control Power off after that 15 second L Data input/output with the CD mechanism 3 non communication : H Clock output to the CD mechanism 3 non communication : H When adjustment = H Tuner lines adjustment PS1-0, 1=L PS1-2, 2-0, 1=Hi-z IC10-DATA, CLK=Hi-z H:mute off L:mute on Power IC mute control Power off after that 15 second H H:When momentary power down detected Power IC servo control L:Nomal Power IC standby control H:Power IC ON L:Power IC OFF SW 5V control H:SW5V OFF L:SW5V ON Power off after that 10 second H 4 KDC-2023, 2024A/SG/SYA/SYG, 2094YA/YG, 222/S, 3023 MICROCOMPUTER'S TERMINAL DESCRIPTION Pin No. Name 43 B. U-DET 44 ACC-DET 45 46 47 48 PS1-0 PS1-1 PS1-2 PS2-0 I/O I I O O O O Description Back up detection terminal ACC detection terminal Power supply IC SW1 control 0 Audio 8V, P-CON Power supply IC SW1 control 1 Audio 8V, P-CON Power supply IC SW1 control 2 P-ANT Power supply IC SW2 control 0 ILL, FM, AM Power supply IC SW2 control 1 ILL, FM, AM BEEP O O O I O I/O O O I I I I I I I DSI control Not used (out put L) Not used (out put L) CD mechanism down&limit detection CD mechanism loading motor control output CD mechanism loading/Eject switching terminal Stop output to the CD mechanism Reset output to the CD mechanism Mute input from the CD mechanism Reset input from the System microcomputer Remote control input RDS clock input Request input from the changer (new 5L) CD mechanism loading's switch detected Key input detected (11pin L connected to the DATA L) 12cm disc detected H:Light on L:Light off When panel attached, output L When panel detached, flashing at the panel (H/L) FIX model is output L Processing Operation H:power down L:B. U. on H:ACC OFF L:ACC ON BA4911 SW1 PS1-2 PS1-1 PS1-0 L L L L L(H) H(L) L H H H H H BA4911 SW2 PS2-1 L L(H) H PS2-0 L H(L) H Power supply IC output A8V P-CON P-ANT STANBY ON OFF OFF ON ON OFF ON ON ON Power supply IC output ILLUMI ON ON FM STANBY ON OFF AM OFF ON 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 PS2-1 BEEP DSI NC NC LOE/LIM SW MO SW LO/EJ M-STOP M-RST M-MUTE RESET REMO R-CLK CH-REQC LOS SW KEY-REQ 12EJE SW Vss0 VDD1 X2 X1 IC XT2 XT1 VDD0 AVREF0 S-METER NOISE PHONE NC AVCONT O H:Chucking detection L:Normal H:Loading, Eject, Break L:Play H:Eject L:Loading H:Play L:Stop H:Normal L:CD mechanism reset H:mute off L:mute on Except RDS model : output L H:Changer detection L:Request Except Changer model : output L H:No disc L:DISK IN(Loading Start) H:Key no input L:Key input (edge key data reading start) L:12cm disc 3 MAIN X'tal oscillating circuit 3 MAIN X'tal oscillating circuit TEST Not used 3 4. 19MHz X'tal connection 3 4. 19MHz X'tal connection OPEN I I I O O VDD Connected to VDD A/D converter reference voltage control output, connection to the 80pin AVCONT S-meter input FM noise detection input 3 2. 5V or greater:NAVI MUTE 2way mute 1. 0V or less:TEL MUTE Except phone mute model : output L Not used (out put L) H:During A/D converter active A/D converter standard voltage control output same timing with PON 5 KDC-2023, 2024A/SG/SYA/SYG, 2094YA/YG, 222/S, 3023 MICROCOMPUTER'S TERMINAL DESCRIPTION q MECHANISM MICROCOMPUTER MN6627771KP (X32 : IC2) Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 Name TVD SPL PC PWM TBAL FBAL NRFDET OFT BDO LDON DSLB DVDD1 DVSS1 AVSS2 DSLF ARF RFSW PLLF PLLF2 IREF RFENV TRCRS TE FE AVDD2 AVSS1 OUTR AVDD1 OUTL DVSS3 CSEL NC ASEL MSEL0 MSEL1 ICRST BCLK LRCK SRDATA VREFP HOT 8EJE_SW 12EJE/SDET_SW LOE/LIM_SW PCK EFM SENSE CLVS DEMPH DVDD2 X1 I/O O O O O O O I I I O O I/O I I I/O I/O I I I I I O O I O I I I O O O O I I I I I O O O O O I Description Traverse driver output (PWM output) Spindle motor drive output (PWM output) Spindle motor ON output multi-purpose PWM output Tracking balance adjust output (PWM output) Focus balance adjust output (PWM output) RF detection signal input Off-track signal input Drop out signal input Laser on signal output H:ON DSL balance output Power supply for digital circuit Ground lines for digital circuit Ground lines for analog circuit Loop filter terminal for DSL RF signal input When DSL circuit, constant switch terminal Loop filter terminal for PLL Loop filter characteristic switching terminal for PLL Standard voltage input terminal RF envelope signal input Track cross signal input Tracking error signal input Focusing error signal input Power supply for analog circuit Ground lines for analog circuit Rch audio output Power supply for analog circuit Lch audio output Ground lines for digital circuit Oscillation frequency specification terminal Not used Audio output polarity switching terminal Destination type selection port (set 2bit) Destination type selection port (set 2bit) Reset control terminal for external DAC Bit clock output for serial data L/R identification signal output Sirial data output A/D converter standard power supply input Temperature protection detection terminal (AD input) 8cm disc eject stop detection terminal Judge the 8cm or 12cm disc Pick-up inside detected PLL extracted clock output, etc EFM signal output, etc Optics servo status signal output, etc Spindle servo phase synchronous signal output, etc Dephase detection signal output, etc Power supply for digital circuit Main clock input terminal Processing Operation L:ON H:OFF (default ) It's possible to setup the TOSF2 L:detected H:detected H:detected When command FO on, LDON is H For DSL, PLL and AD The bias of ARF output terminal in one Analog input Analog input Analog input Analog input For DSL, PLL and AD For audio output (Lch and Rch in one) For audio output (Lch and Rch in one) H:33. 8488MHz L:16. 9344MHz L:Reverse H:Non reverse Order "MSEL 0" and "MSEL 1" Set up Order "MSEL 0" and "MSEL 1" Set up Over C5(h):on H:Stop 12cm disc stop detection terminal Loading end detection terminal L:Normal operation H:Luff servo H:on 6 KDC-2023, 2024A/SG/SYA/SYG, 2094YA/YG, 222/S, 3023 MICROCOMPUTER'S TERMINAL DESCRIPTION Pin No. 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. · DC voltages are as measured with a high impedance voltmeter. Values may vary slightly due to variations between individual instruments or/and units. 7 K L M N O J4 TOP VIEW CLK DATA H 11 13 REQ C DATA C 10 9 Lch 12 Rch CHCON 4 8 RST 7 BUP D GND 3 2 REQ H 1 D J5 REAR 1 (X25-9600-xx/9612-7x) A GND 6 MUTE 5 J4 D GND 1 2 3 4 MUTE A GND 5 6 7 8 9 R231 100 C227 680P C228 680P 41 R232 10 13 11 12 W160 R227 30K R228 30K C255 1u50 + 100 BU REQ H CH CON R407 4. 7K RST 8 R409 4. 7K DATA C 16 C401 1u50 R401 10 Lch + R410 100 DATA H 17 REQ C CLK + OUT1FRAMMIX2OUT 67 3 GND Q223 4. 7K Q224 4. 7K C256 14. 4V 0V VCC1 PGND2 PGND1 W156 STBY C223 R223 10u16 270 + C224 10u16 R224 + 270 Rch W516 R405 4. 7K R406 4. 7K R408 4. 7K R404 100 R411 100 R403 4. 7 R402 10 2 WH1 5 1 C403 100u10 + C402 1u50 + D404 4 3 2 1 D405 D410 D403 D402 D407 D408 D401 D409 Q40 22K 22K 1 3 5 OUT2+ OUT2- 25 19 18 63 TAB 45 46 44 0V 7. 3V D268 C J1 L501 R501 6. 8K L502 33uH 10P C502 1500P W161 C504 0. 01 L504 C252 0. 22u50 C253 0. 22u50 RR RL W407 R252 4. 7K D3 6. 8uH Q501 AM RF AMPLIFIRE C509 R502 2. 2K R503 R506 2. 2K C508 22u10 + 1M 100uH 3 W408 R253 4. 7K C516 3 C505 4. 7u16 + C503 0. 1 C524 R507 1K 68P L4 C510 100P R521 100K W521 C506 0. 1 GND 7 6 CF51 10. 700MHz C585 W509 0. 01 L511 4. 7uH CF54 450kHz OUT 2 IN W400 C525 R505 1K L503 1mH 0. 01 C522 D503 C529 2P C507 33u10 + L513 W601 4. 7uH L512 10. 700MHz C534 0. 01 R581 4. 7uH C511 0. 01 8 W511 CF52 L505 C583 0. 1 1K C591 33u10 + FR FL 12 D501 C536 R523 100K C521 73 C582 8. 0V 8. 0V 8. 0V 3. 5V 8. 0V 0. 1 4. 0V 4. 2V 4. 2V C526 C530 L510 4. 7uH C581 FM RF AMPLIFIRE L506 L508 W508 C580 0. 01 Q502 CF53 10. 700MHz 80 79 78 77 76 75 74 72 71 69 AMMIX2IN1 MIX1OUT1 R522 C523 100K C531 1 13 W533 C533 0. 01 W415 W504 R525 R527 100K 330 R528 100K W401 R524 C528 100K W500 D505 15 C512 4. 7u16 + 3 C513 0. 01 C514 0. 01 C515 1 330 AM FM FM AM VREF5V TUNGND AMMIX1IN+ AMMIX1INANAGC1TC ANAGC1OUT ANAGC1VOUT FMMIX1IN1 RFGND FMMIX1IN2 FMAGC1OUT FMAGCIN FMAGCVOUT AM PW-ON FMANTADJ FMRFADJ OSCGND VCOE VCOB OSCVCC C544 C543 15P 68P W505 5. 0V 0V 1 2 3 4 5 3. 3V 2. 0V 0V 4. 2V 3. 3V 0V 2. 4V 0V FMIFAMP1OUT 6P FMIFAMPREF 14 FMAMP2OUT FMIFAMP1IN 11 FMIFAMP2IN AMMIX2IN2 MIX1OUT2 IF1GND IFVCC FMNAGCIN TUNVCC 12 70 68 4 D504 C535 2P R526 W524 R529 0V 10 L509 1 RR+ RR- D411 FM AM FM 3. 2V 2. 0V 0V 2. 0V 0V AM FM AM C541 W507 AM AM PW-ON AM 17 D506 R543 5. 6K L507 6800P C545 C542 22P R544 2. 2K 18 6 7 60mV 6 7 4. 1V 3. 2V 0V 3. 4V 0V 5 20 8 C537 0V 8 9 10 IC10 FM 2. 0V 0V MPX BUFFER NOISE BUFFER R541 1K R542 4. 7K E R204 1K 20 R205 4. 7K W512 10 11 12 13 14 15 W531 C538 TUNER & E-VOL. 0V 11 0. 7V 12 8. 0V 13 W523 14 15 CN3 2 C352 330P Q503 Q201 4. 2V 2. 8V 0V R173 1K 0V 16 R547 22 3. 2V 17 W402 51 77 W403 57 61 17 18 3. 8V 18 L517 8. 0V 19 1 3. 4V 0V 2. 4V 0. 8V PLLGND 27 XTALD 0V 28 DIGGND PLLVCC LFREF XTALG LFHC 4. 8V 3. 4V 8. 0V 29 DIGVCC 30 TUNQUALITY 31 ISSTC C554 0. 1 3. 2V 32 DEVTC C600 100u10 + C555 1000P 5. 0V 0V 15 14 R351 2. 2K 1 IC6 QUAL RDDA 2. 5V 22 R546 33K 2. 5V 23 8. 0V 25 6 C351 10u6. 3 + 5. 0V 0V 2. 4V 3 RDCL T57 OSCOUT 15 14 X2 13 2. 2K C356 10P C355 0V 24 26 16 2. 5V 21 R352 2. 2K 2 5. 0V 0V R353 LFOUT LFIN C546 0. 01 W534 62 4. 7uH 20 X501 4. 7uH 10. 250MHz L514 VREF OSCIN C551 C353 10u6. 3 + 0V 6 7 EXTRES GND TM FSEL 10 0V 9 C550 0. 033 C557 C558 0. 01 0. 01 ARI RDS 8 FILOUT DECODER W530 0V 7 L515 4. 7uH VCC 11 0V 2200P C354 0. 01 C549 12 5. 0V 0. 01 2. 4V 4 MPX 5 5. 0V OSEL C547 10u10 + C548 0. 022 4. 332MHz 10P R545 4. 3K C593 1 C553 C552 0. 01 D264 8. 0V D265 MUTE DRIVER 7. 4V 7. 3V 7 SVR MUTE IC4 10 7. 2V 2 4 0V 4. 9V 6 8 R2 6 P Q R S T J2 2 1 REAR Lch+ FRONT Lch+ 4 3 FRONT LchREAR Lch47K 6 5 FRONT Rch- 40 50 39 35 E2P-ROM C254 0. 22u50 W162 R263 RL+ FL+ C257 1u50 + R257 6. 2K C251 0. 22u50 C256 R260 750 W158 1 2 3 + D253 D251 10K A0 A1 A2 GND WP 7 W406 R254 W405 R251 R256 4. 7K 4. 7K 1K C258 16 7. 3V 1u50 ACGND 23 + OUT4- PGND3 18 0V 25 20 14. 4V HSD VCC2 D252 R258 SCL 6 5V 0V 5V 0V ADA ACL SCL D20 33K R21 47K TH1 470 VCC 8 5. 0V 0V 1/2W SURGE DETECTOR Q70 D70 R72 36K R71 82K R22 R73 100K 10K 0V 4 Q20 SDA 10K 3. 4V or 22 4. 1V 14. 4V 0V 14 7. 2V 12 7. 2V 10 7. 2V SDA 24 0V 5 R564 10K R563 R30 0. 01 R11 6 8 VCC1 PGND1 MUTE SVR IN2 PGND4 IN4 A. C DETECTOR 5. 0V 0V 0V 0V 12 11 10 9 8 R201 47K 10K 10K C21 TEL MUTE C30 0. 01 D30 Q10 B. DETECTOR A R31 OUT2+ OUT1+ OUT3+ OUT4+ OUT1- OUT3- SGND 5. 0V 14 IN1 IN3 D40 11 21 VCC IC8 MUTE LOGIC 13 15 17 19 C40 0. 01 7. 2V 0V 7. 2V 7. 3V 7. 4V 7. 3V 7. 4V 7. 2V 7. 3V 7. 4V R23 100K R12 100K W532 D268 D264 D265 D262 D266 D263 D261 RR+ D267 F FR+ RL+ FL+ FR- 1 2 3 5 4 6 RL- FL- 0V R415 C404 1 8 12 100K 0. 01 5. 0V 0V 0V 0V 7 POWER AMPLIFIRE GND L101 C586 0. 1 C587 C588 0. 47 GND OUT W510 C589 D101 59 58 56 55 57 0. 1 Q252, 253 R255 33K R68 10K R122 100 R125 1K SMETERRC & MPTHTC SW C584 10u10 + VDD Q253 4. 4V VSS VOUT IC11 R67 10K R69 10K 5. 0V 2 1 0V CP3 1Kx2 CP2 2. 2Kx2 R264 47K R123 1K R126 100K 54 50 41 C590 1 2 3 Q252 IN 0. 1 C102 0. 01 0. 01 C101 100u6. 3 + C103 0. 1 CF54 450kHz C592 4. 7uH R32 5 7 9 22K 13 CP1 10Kx2 57 56 55 54 53 52 60 59 58 51 50 49 48 47 46 45 44 43 42 NC PS2-1 LO/EJ BEEP M-MUTE PS2-0 PS1-2 PS1-1 DSI CD-SW3 PS1-0 N. C N. C SW5V M-STOP ACC-DET B. U-DET P-STBY RESET M-RST MOSW 67 66 65 64 63 62 61 41 509 POWER ON RESET 0V 5. 0V 0V R127 2. 2K 61 62 0V 60 SV 3 AMIF2AMPIN SMETERC FMDEM AMIF2AMP REF DEMGND AMMIX2OUT FMDEMREF AMAGC2TC 8. 0V 4 TUNER CHANGE FM AM FM 5V 0V 4. 2V 2. 4V 0V MPTHTC RDSMUTE AUDIOMUTE QUALITY 60 59 58 57 W519 W517 R567 1K R566 1K 55 64 SCL 66 59 57 63 61 61 62 REMO R-CLK CH-REQC V AM FM AM 1. 4V 1. 2V 0V 3. 7V 0V FM FM 5. 0V 0V 5. 0V 0V 5. 0V 0V 5. 0V 0V 5. 0V 0V 5. 0V 0V 0V or 5. 0V 5. 0V 0V 5. 0V 0V or 0V P-MUT 5. 0V 0V N. R128 2. 2M CL 5. 0V 0V 2. 6V 0V 56 4. 0V SMETER 55 0V SD 5V 0V 54 5V SCL 0V 53 SDA R414 100K R129 2. 2K 63 5. 0V 0V 5. 0V 0V DATA 64 65 CD-SW1 KEY-REQ 5. 0V 0V R130 2. 2K SDA R565 100K C563 0. 47u50 3. 9V + C564 0. 47 R561 2. 7K C104 15P 51 C105 15P AM PW-ON IC10 TUNER & E-VOL. 3. 0V 1. 9V 52 0V FMMUTETC 51 TUNEROUT 50 49 3. 0V TUNERIN IN1L C568 3. 0V D202 D201 C205 2. 2u50 49 + R132 2. 2K C204 2. 2u50 47 + R133 12K 3. 0V IN1COM C565 48 47u10 + 47 46 45 44 43 42 41 66 CD-SW2 0V 67 Vss0 5. 0V 68 VDD1 R131 69 X2 6. 8K X1 4. 194MHz 70 X1 0V 71 IC 72 XT2 73 5. 0V XT1 74 VDD0 75 AVREF0 76 S-METER 0-4. 0V MUT 5. 0V 0V TUNER-TYPE 0V or 5. 0V IC1 SYSTEM CONTROL u-COM Vss TUNER-TYPE TYPE 0V or 5. 0V 5. 0V 0V 5. 0V 0V 5. 0V 0V 5. 0V 0V 5. 0V 0V L-DATAS L-DATAL AVREF1 R-QUAL R-DATA L-CLK L-CE TYPE IN1R 3. 0V 3. 0V 3. 0V 3. 0V 3. 0V 3. 0V 3. 0V 4. 8V 3. 4V 8. 0V 29 DIGVCC 30 TUNQUALITY C553 31 ISSTC C554 0. 1 3. 2V 32 DEVTC C561 1u50 3. 0V 33 VREF3V + 0V 34 APGND IN2R IN2COM IN2L OUTRR APVCC OUTFR OUTRL OUTFL ACLOUT ACRIN ACLIN ACROUT 46 45 44 77 C106 R134 2. 2K 5. 0V 0V 5. 0V 0V 5. 0V 0V 5. 0V 0V CH-DATAH CH-DATAC CH-REQH CH-CLK TYPE N. 2. 2-4. 5V 0. 6-4. 1V 5. 0V 0V 77 78 79 80 W578 NOISE PHONE PANEL AVCONT 8EJE SW N. C 5. 0V 0V 5. 0V 0V TYPE RE CH-CO N. N. N. C L-RST AVSS N. ADA ACL N. C N. C AF 35 36 38 39 R121 2. 2K 12 10 R107 2. 2K 13 15 16 18 19 14 5. 0V R106 100K R103 1K R104 1K SDA SCL 11 12 L516 4. 7uH 13 1 2 5 6 593 1 14 15 C562 10u10 + R413 100K RR FR RL FL 552 . 01 R105 470 C556 1000P 3. 9V 3. 9V 3. 9V 3. 9V 3. 0V 0V R102 1K 16 17 18 L515 4. 7uH 17 19 C560 100P 20 W501 11 1 2 3 5 6 8 4 7 9 8. 0V 37 40 25 FR- RL- FL- + Q251 W409 R261 IC12 R20 3. 3K R10 30K D10 D 5 0 S U V W X WHT FRONT L WHT/BLK GRY/BLK FRONT R ANT. CONT OUT ACC GND GRY BLU BLU/WHT RED BLK GRN GRN/BLK VIOL/BLK VIOL REAR R REAR L Y 89 7 10 6 11 5 12 4 13 3 14 2 15 1 16 4 1 REAR Lch+ 3 REAR LchFRONT Lch- 6 5 REAR RchFRONT Rch- 8 7 REAR Rch+ FRONT Rch+ 10 9 P-ANT 12 11 P-CON 14 13 ACC 16 15 GND FUSE SIGNAL LINE GND LINE B LINE POWER SUPPLY (MULTI AVR) 0V 1 4. 7K 1 IC7 GND L1 140uH D14 RR+ GND D13 C51 C50 10u25 + FR+ RL+ RR- FL+ FR- RL- R28 FL- IC1 IC4 IC6 IC7 IC8 IC10 IC11 IC12 : : : : : : : : B. U. 14. 0V 2 P-CON TDA7479AD BA4911-V4 HD74HC27FP TDA7513 PST3435UL BR24C01AF-W or M24C01-WMN6T or S-24CS02AFJ-TB YEL BU R25 D12 D11 W410 10u25 + 4. 7K EL UTE 1 C52 10u16 + FM+B 7. 9V 5 Q51 A 1. 5K R57 SERVO AVR CONTROL SERVO AVR Q55 C63 22u16 + C53 10u16 + C54 10u16 + C1 3300u16 + AM+B RL+ FLFL+ FRFR+ RRRR+ 7 8 5 6 3 4 1 2 P. CON B RL- 14. 0V 8. 1V 3 4 P-ANT 8. 1V 6 AUDIO+B R32 22K L2 27uH ACC R31 47K 14. 3V C58 100u16 + 7 Q10, 20, 70, 101, 201, 503 : 2SC4081 : DTA124EUA Q40 : 2SA1036K Q50 : UMC2N Q51, 53 : 2SD2375 Q55 Q102 : DTA114YUA Q223, 224 : DTC143TUA : DTC114YUA Q251 : UMG4N Q252 : UMA1N Q253 Q501 : CPH5905 Q502 : 3SK126 : S2V20A or 1N5393G-M6 : IMSA-6801 D3 D10, 20, 70, 201, 202, 401, : MA4068(N)-M 402 : D1F60 D11, 13 : AM01Z D12, 14 D40, 101, 251-253 : 1SS133 : DAN202U D50 : MA4082(N)-L D51 : DA204U D103 D106, 108, 109, 403-405, 407-410 : MA4062-L D110 : HZS12A2 D411 : MA3062WA D501, 503 : RN739F D504-506 : D1 DC CORD (E30-4784-05) KDC-222/222S/2023/3023 2 7 8 GND 5 6 B. UP 3 4 1 A 2 VCC D1 D51 5. 0V C55 10u25 + C57 220u16 + 8 BU5V W532 R51 47K Q50 R50 5. 6K SW 5V D50 C56 10u50 + VBU 7 5 3 1 10 SW1 VDD 4 3 1 11 SW2 10. 3V 12 ILLUM 5. 0V 9 VDD YEL 16 1 15 2 BLK RED BLU/WHT BLU/WHT TEL MUTE BRN 14 3 13 4 3 ANT. CON FR+ FRFLFL+ Q53 RR+ RRRLRL+ R145 54 2. 2K VIOL VIOL/BLK GRN/BLK GRN 12 5 11 6 10 7 98 GRY GRY/BLK WHT/BLK WHT CN1 22 SW3 21 SERBOGND 20 SERBO+B D102 R264 47K R101 240 R255 33K B 5. 0V 0V 40 39 Q101 DSI DRIVER 5. 0V 0V R259 22K 40 55 56 47 49 57 58 R144 100K 59 19 MO SW 18 LO/EJ 17 Rch 16 GND 15 Lch 14 AUDIO+B 13 M STOP 12 M RST 11 N. C 10 M MUTE 9 8 D GND BU 5V N. C MECHDET (X25-96XX-XX) MODEL NAME KDC-222 (K) KDC-222S (K) KDC-2023 (M) KDC-3023 (M) KDC-2024SA (E) KDC-2024SG (E) KDC-2024SYA (E) KDC-2024SYG (E) KDC-2094YA (E) KDC-2094YG (E) UNIT No. 00-12 00-22 DC CORD (E30-4790) KDC-2024SA/SG/SYA/SYG KDC-2094YA/YG AE NO NO 41 BD YES YES CF NO YES C51, C106 404 NO 1500P YES 1500P C227, 228 NO NO C256 100u50 33u50 C521 C522 C523 C524 0. 1 0. 1 33P 33P 27P 100P 27P 100P 41 P-STBY SVR 4 39 P-MUTE 5. 0V R108 ADJ R174 0V 47K 38 2. 2K N. C 37 R117 37 CLK 1K R118 10K 5. 0V 36 R115 36 DATA 0V 1K R116 10K 35 35 MUTE R119 47K 5. 0V 0V R112 0. 1 34 TUNER-TYPE0 2W 0V or 5. 0V R114 47K Vss1 TUNER-TYPE1 33 0V 32 to MECHA 12-75 NO YES NO NO 1000P YES 100u50 0. 1 33P 27P 100P 12-74 NO YES NO NO 1000P YES 100u50 0. 1 39P CF52, 53 15P 100P R142 4. 7K 7 6 UNIT C537, C528, C529, 557, C526 C530 C536 C541 C553 C568 C581 C587 589 558, 590, 592 538 No. [. . . ] 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. · DC voltages are as measured with a high impedance voltmeter. Values may vary slightly due to variations between individual instruments or/and units. AE AF AG AH AI 1 (B38-1079-05) : KDC-1023/1023S/122/122S/222/222S S21 S31 S22 S12 S30 S29 S28 S18 S20 S26 S25 S23 S19 S13 S15 S16 S38 S35 S33 S32 S36 S40 S39 S27 S17 S24 S14 S34 S37 S10 S11 S5 S8 S9 S7 35 S6 36 37 38 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 39 1 2 3 4 5 6 7 8 9 2 ED1 (COMMON) C1 C2 38 37 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 1 2 3 4 5 6 7 8 9 39 C3 3 ED1 (SEGMENT) S1 TP16 TP17 TP18 TP19 IC1 : LC75853NE IC2 : RS-171 Q1 : DTA114EUA S25 TP11 KI1 S14 4 S13 3 S2 D1-13, 20 D17, 18 D19 D22 ED1 : : : : MA3062WA : +B GND LINE B LINE 4 S3 S24 TP12 KI2 MODEL NAME RX-491CD (J) RY-391CD (J) KDC-4023 (M) KDC-202MR (K) UNIT No. A C5 C6, 7 D1-13, 20 D17, 18 B30-1564-05 or B30-1642-05 (BLUE) B30-1533-05 (GREEN) B30-1564-05 or B30-1642-05 (BLUE) B30-1533-05 (GREEN) B30-1533-05 (GREEN) B30-1533-05 (GREEN) D19 D22 R13 R19, 20 S15 5 S12 2 S4 VOL+ S5 B30-1533-05 X16-1460-01 YES YES YES (GREEN) X16-1460-03 NO NO B30-1533-05 NO (GREEN) B30-1533-05 (GREEN) B30-1633-05 NO B30-1633-05 NO YES 390 NO 510 S22 S23 TP13 KI3 X16-1460-11 YES YES YES X16-1460-12 YES YES NO NO NO YES NO B30-1633-05 YES YES 390 B30-1633-05 YES YES 510 B30-1633-05 YES NO 510 S16 6 S11 1 S9 S6 VOLS7 S8 SRC FM S26 S27 KDC-1023 (M) X16-1460-13 KDC-1023S (M) KDC-2024SG (E) KDC-2024SYG (E) X16-1460-14 KDC-2094YG (E) KDC-2022V (K) B30-1533-05 (GREEN) B30-1533-05 NO (GREEN) B30-1533-05 NO (GREEN) 5 B30-1633-05 YES YES 510 S19 TI S10 ATT B30-1567-05 X16-1460-15 YES YES YES (RED) X16-1460-16 NO YES NO NO NO B30-1567-05 (RED) B30-1533-05 (GREEN) B30-1567-05 (RED) B30-1567-05 (RED) B30-1567-05 (RED) B30-1567-05 (RED) B30-1564-05 or B30-1642-05 B30-1633-05 YES YES 390 (BLUE) B30-1567-05 (RED) B30-1533-05 (GREEN) B30-1567-05 (RED) B30-1564-05 (BLUE) B30-1567-05 (RED) B30-1564-05 (BLUE) B30-1633-05 YES YES 510 B30-1633-05 YES YES 510 B30-1641-05 YES YES 510 B30-1633-05 YES YES 390 B30-1633-05 NO NO 510 TP14 KI4 AM S20 KDC-2024SA (E) KDC-2024SYA (E) KDC-2094YA (E) KDC-2023 (M) KDC-3023 (M) X16-1460-20 YES YES X16-1460-21 YES YES S21 TP15 KI5 KS2 S18 CLK KS3 KS4 KS5 KDC-2022 (K) KDC-122 (K) KDC-122S (K) KDC-222 (K) KDC-222S (K) X16-2370-10 YES YES YES X16-2370-11 NO X16-2370-12 NO NO YES NO NO AUD B30-1633-05 YES YES 510 6 KDC-2022/V/202MR/4023 (2/2) KDC-122/S/1023/S (2/2) KDC-222/S/2023/3023/2024SA/SG/SYA/SYG/2094YA/YG (2/2) RX-491CD/RY-391CD (2/2) 7 [. . . ]