KDC-MP242U/MP342U/MP443U KDC-MP5043U/MP543U BLOCK DIAGRAM ELECTRIC UNIT (X34- ) W500 R118 ANT. PHONE PHONE DME1 AM+B Q101 LX-BUS FRONT-END ACC-DET ACC DET MECHA SERVO+B Q103 BU-DET BU DET POWER Q102 DC-CN SURGE PHONE P STBY Q701-704 SP-OUT E-VOL MUTE FRONT L/R...
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KDC-MP242U/MP342U/MP443U KDC-MP5043U/MP543U BLOCK DIAGRAM MOTHER CD PLAYER UNIT (X32-6250-00) BOARD DPU1 (X34- ) SIGNAL A/B/C/E/F SRAM STB SRAM STB BUCK BUCK RF AMP VREF SERVO PIO0 PIO0 PROCESSOR FO COIL MP3 DECODER FO OUT LEVEL SHIFT FO OUT MRST MRST...
KDC-MP242U/MP342U/MP443U KDC-MP5043U/MP543U COMPONENTS DESCRIPTION ● ELECTRIC UNIT (X34-623x-xx) Ref. No. Application / Function Operation / Condition / Compatibility System μ-COM Controls FM/AM tuner, the changer, CD mechanism, panel, volume and tone. E-VOL Controls the source, volume, tone. Power Supply IC Outputs 5V×2, 8.1V×2, 10.2V, P-CON, P-ANT.
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KDC-MP242U/MP342U/MP443U KDC-MP5043U/MP543U COMPONENTS DESCRIPTION ● SWITCH UNIT (X16-647x-xx) Ref. No. Application / Function Operation / Condition / Compatibility FL Driver Remote Control Sensor ● CD PLAYER UNIT (X32-6250-00) Ref. No. Application / Function Operation / Condition / Compatibility Driver for focusing & tracking coil, driver for sled & spindle motor, and operation for disc 4ch BTL Driver loading &...
KDC-MP242U/MP342U/MP443U KDC-MP5043U/MP543U MICROCOMPUTER’S TERMINAL DESCRIPTION ● SYSTEM μ-COM: IC1 on X34- (ELECTRIC UNIT) Truth Value Pin No. Pin Name Application Processing Operation Description Table LX DATA M I/O Data to slave unit LX CLK I/O LX-BUS clock 125kHz~65kHz Not used Output L fi...
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KDC-MP242U/MP342U/MP443U KDC-MP5043U/MP543U MICROCOMPUTER’S TERMINAL DESCRIPTION Truth Value Pin No. Pin Name Application Processing Operation Description Table L: Possible to rewrite fl ash ROM Flash ROM EPM input Connects to VSS (Never set it to output Hi) CD MOTOR I/O CD motor control...
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KDC-MP242U/MP342U/MP443U KDC-MP5043U/MP543U MICROCOMPUTER’S TERMINAL DESCRIPTION Truth Value Pin No. Pin Name Application Processing Operation Description Table MUTE I/O Mute L: Mute OFF, Hi-Z: Mute ON BU detected: L, No BU or momentary power-down: H BU DET Momentary power-down detection (Operates below 4ms after momentary power-down...
KDC-MP242U/MP342U/MP443U KDC-MP5043U/MP543U TEST MODE ■ Example Description of display Description Disc EJECT times display. MAX 65535 (times) Disc EJECT times display While disc EJECT times is displayed, press and hold for 2 ■5 seconds or longer to clear disc EJECT times.
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KDC-MP242U/MP342U/MP443U KDC-MP5043U/MP543U TEST MODE ■ Special displays when all lights are on in STANDBY source Description of display Description Common All lights ON. All lights ON. Destination terminal “TYPE” indicates system μ-com (IC1) destination, and shows E : 1 condition indication real-time condition of the destination terminal.
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KDC-MP242U/MP342U/MP443U KDC-MP5043U/MP543U TEST MODE Description of display Description Turns off all the lights → Turns on odd and even terminals Fluorescent indicator short alternatively every 125ms (terminals that have a maximum check number of grids) → Turns on only the odd terminals → Turn on only the even terminals →...
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KDC-MP242U/MP342U/MP443U KDC-MP5043U/MP543U TEST MODE Description of display Description CD time CD time code error count data (count not updated) mode display. code error count data Number of CD-DA count errors display XX: Number of errors. “– –” is displayed in case there is no error.
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KDC-MP242U/MP342U/MP443U KDC-MP5043U/MP543U TEST MODE Description of display Description Seek Stop Level adjustment 0.00(V) ↔ 5.00 (V) Normal (Local OFF) (Manual) (UP) Seek Stop Level (DOWN) adjustment 0.00(V) ↔ 5.00 (V) Normal (Local ON) (Manual) The display in the left column is shown when the data has Adjustment ■...
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KDC-MP242U/MP342U/MP443U KDC-MP5043U/MP543U TEST MODE About audio adjustment items (include both Audio Function Mode and Audio Setup Mode) Procedure Item Procedure Description Fader [VOL] knob and [ ] key Adjust to 3 steps of R15 ↔ 0 ↔ F15. (Default value: 0)
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KDC-MP242U/MP342U/MP443U KDC-MP5043U/MP543U TEST MODE While “– – – –” is displayed, power can be ON for 30 minutes. This mode is cancelled by resetting. (The last screen will not be retained.) Data to be cleared is shown below. CD mechanism error log display...
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KDC-MP242U/MP342U/MP443U KDC-MP5043U/MP543U TEST MODE • Method of clearing the security code Procedure Display Description Press [ ] key for 3 seconds or longer Carry out the procedure while “– – – –” is being displayed. E : – – –...
KDC-MP242U/MP342U/MP443U KDC-MP5043U/MP543U ROM DATA TRANSFER PROCESSES ■ Operation procedure When replacing front-end (A1) of mother unit (X34-), or when adding or replacing ROM correction (program correction Operation procedure is different depending on the with ROM IC (IC10)), the following activities are required.
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KDC-MP242U/MP342U/MP443U KDC-MP5043U/MP543U 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 transfer mode.)
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KDC-MP242U/MP342U/MP443U KDC-MP5043U/MP543U ROM DATA TRANSFER PROCESSES 4. In case of applying a new ROM correction when front- Turn power on. end (A1) is replaced (There is ROM correction data.) Press and hold the [1] and [3] keys, press reset button. (Enter 5.
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KDC-MP242U/MP342U/MP443U KDC-MP5043U/MP543U 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).
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KDC-MP242U/MP342U/MP443U KDC-MP5043U/MP543U PC BOARD (COMPONENT SIDE VIEW) (FOIL SIDE VIEW) SWITCH UNIT SWITCH UNIT X16-647x-xx (J76-0551-02) X16-647x-xx (J76-0551-02) VOUT SW+5V USB-D- REMO USB-GND USB-D+ USB+5V X16-647x-xx X16-647x-xx Ref. No. Address Ref. No. Address AUX-R R101 C101 AUX-L USB-D- USB-D- AUX-GND...
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KDC-MP242U/MP342U/MP443U KDC-MP5043U/MP543U C872 R604 R701 X34-623x-xx Ref. No. Address IC53 R401 C921 A-DATA R501 R503 A-CLK Q102 T MRST Q105 S-METER Q301 Q705 Q902 Q903 Q905 C310 C311 C516 R348 R349 C515 Refer to the schematic diagram for the values of resistors and capacitors.
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KDC-MP242U/MP342U/MP443U KDC-MP5043U/MP543U PC BOARD (COMPONENT SIDE VIEW) X32 B/2 12EJE CD PLAYER UNIT X32-6250-00 A/2 (J76-0556-02) 3.3V IOP- AGND RFRP BU1.5 D1.5V DGND S.GND D3.3V S.7.5V MOTOR ZDET SLED IN/EJECT SLED OUT/LOAD X32-6250-00 Ref. No. Address Refer to the schematic diagram for the values of resistors and capacitors.
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KDC-MP242U/MP342U/MP443U KDC-MP5043U/MP543U PC BOARD (FOIL SIDE VIEW) X32 B/2 CD PLAYER UNIT X32-6250-00 A/2 (J76-0556-02) C101 X32-6250-00 Ref. No. Address Refer to the schematic diagram for the values of resistors and capacitors.
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KDC-MP242U/MP342U/MP443U KDC-MP5043U/MP543U FRONT REAR/SUB TP91 LX BUS ELECTRIC UNIT (X34-6xxx-xx) W608 C871 C872 680P 680P R970 R971 MUTE R709 R710 R703 R704 DRIVER Q903 Q703 Q704 Q701 Q702 3.3V R911 for IC R604 D605 Q705 Q902 D604 D601 Q701-704 PRE-OUT...
HOLDER J22-0706-03 MOUNTING HARDWARE Q903 2SB1689 TRANSISTOR J22-0707-12 MOUNTING HARDWARE Q905 KRC407-P DIGITAL TRANSISTOR PRF18BE471QS2 POSITIVE RESISTOR J90-1170-21+ GUIDE J90-1168-03 RAIL X86-4230-11 FRONT-END UNIT K: KDC-MP342U K1: KDC-MP242U Indicates safety critical com po nents. M1: KDC-MP5043U M2: KDC-MP543U M3: KDC-MP443U...
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BINDING HEAD MACHINE SCREW N39-1720-48 PAN HEAD MACHINE SCREW S68-0921-05 PUSH SWITCH X94-2090-00 SPINDLE MOTOR ASSY X94-2100-00 FEED MOTOR ASSY (LOAD/SLED) DPU1 X93-2260-01 OPTICAL PICKUP ASSY K: KDC-MP342U K1: KDC-MP242U Indicates safety critical com po nents. M1: KDC-MP5043U M2: KDC-MP543U M3: KDC-MP443U...
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KDC-MP242U/MP342U/MP443U KDC-MP5043U/MP543U 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.
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KDC-MP242U/MP342U/MP443U KDC-MP5043U/MP543U SPECIFICATIONS (For destination “M”) FM tuner section USB Interface Frequency range USB Standard ......... USB1.1/2.0 (Full speed) 200kHz space ......... 87.9 MHz~107.9MHz Maximum Supply current ........... 500mA 50kHz space ........87.5MHz~108.0MHz File System ............. FAT16/32 Usable sensitivity (S/N=30dB) ....9.3dBf (0.8μV/75Ω) MP3 decode ..
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Installation Size (W x H x D) .....182 x 53 x 155mm ..........7-3/16 x 2-1/16 x 6-1/8inch Weight .............. 2.9lbs (1.3kg) KENWOOD follows a policy of continuous advancements in development. For this reason specifi cations may be changed without notice.