Panasonic CQ-DF402U Service Manual
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Panasonic CQ-DF402U Service Manual

Removable full front cd player / receiver with changer control
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ORDER No. ACED020377C7
C4
AUTOMOTIVE CONSUMER ELECTRONICS
CQ-DF402U / CQ-DFX302U
Removable Full Front CD Player / Receiver with Changer Control
SPECIFICATIONS
Specification*
1

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Summary of Contents for Panasonic CQ-DF402U

  • Page 1 ORDER No. ACED020377C7 AUTOMOTIVE CONSUMER ELECTRONICS CQ-DF402U / CQ-DFX302U Removable Full Front CD Player / Receiver with Changer Control SPECIFICATIONS Specification*...
  • Page 2 General Power Supply DC 12V (11V - 16V), Test Voltage 14.4V Negative Ground Tone Adjustment Range Bass ; ±12dB at 100Hz Treble ; ±12dB at 10kHz Current Consumption Less than 2.2A (CD play mode; 0.5W×4ch) Maximum Power Output 45W×4ch, at 400Hz, Vol. MAX Pre-AMP Output Voltage 2.0V (CD play mode ;...

  • Page 3: Laser Products

    1. LASER PRODUCTS 2. FEATUERS - 32bit-times over sampling MASH 1bit 4-DAC system. - Digital servo for reliable playback. - PLL (Phase Locked Loop) synthesized tuning. - 18-FM, 6-AM presets with preset scan 3. REPLACEING THE FUSE Use fuses of the same specified rating (15A). Using different substitutes or fuses with higher ratings, or connecting the unit directly without a fuse, could cause fire or damage to the stereo unit.

  • Page 4: Wiring Connection

    Your products is designed and manufactured to ensure a minimum of maintenance. Use a soft cloth for routine exterior cleaning. Never use benzine, thinner or other solvents. 5. NOTES [RADIO BLOCK] Do not align the AM and FM package blocks. When the package block is necessary, it will be supplied already aligned at the factory.

  • Page 5: Block Diagram

    8. BLOCK DIAGRAM...

  • Page 6: Terminals Description

    9. TERMINALS DESCRIPTION 9.1. Main Block IC601 : C2ABGF000015...
  • Page 7 Port Description I/O (V) Crystal oscillator TEST2 (Connecting to ground) VREG Voltage regulator capacitor Ground CD changer data (Note 1) DATA N.C. No connection CHC CK CD changer clock (Note1) RM DATA Remocon data (Note 1) 9-12 N.C. No connection 13 /LCD CE LCD chip enable 14,15 N.C.
  • Page 8 54 /MUTE Mute control...
  • Page 9 55 CD DATA CD data I/O 4.7 56 CD CLK1 CD clock N.C. No connection 62 SUB80/ Sub woofer cutoff freq. 120(NC) 63 SUB CLK Sub. woofer clock 64 SUB Sub. woofer data DATA 65 /HDB(NC) HDB control 66 N.C. No connection 67 /CD RST CD reset...

  • Page 10: Display Block

    99 TEST 1 (Connecting to ground) 100 XOUT Crystal oscillator Note 1 : CQ-DF402U only 9.2. Display Block IC901 : YEAMLC75884W Port Description I/O (V) 1-51 S3-53 LCD segment data COM1-4 LCD common S54, 55 LCD segment data KS3-6 Key strobe...
  • Page 11 Port Description I/O (V) IC2 mute Loading motor control Loading motor control Not used Not used CD clock ACC input Switch input Switch input Not used 10 TEST Reset switch 11 INSW Not used 12 P31 (Ground pull-down) 13 VPP 14 X2 Crystal oscillator 15 X1...

  • Page 12: Package And Ic Block Diagram

    43 RFOK RF signal input 44 LOCK Servo lock signal 10. PACKAGE AND IC BLOCK DIAGRAM 10.1. Main block PA51 : YEAU03A052C IC201 : YEAMEA6320TT IC241 : C1EA00000021 (CQ-DF402U)
  • Page 13 IC241 : C1EA00000026 (CQ-DFX302U) IC262 : YEAMM62429FP IC261 : YEAMPC4570T1 / IC280 : YEAMM5218AFE IC650 : YEAMC14584BE...
  • Page 14 IC701 : YEAMM51945AL 10.2. Display Block IC905 : YEAMPASB06B2 10.3. CD Servo Block IC2 : C0GBE0000012...

  • Page 15: Replacement Parts List

    After the end of this period, the assembly will no longer be available. 5. "A" or "B" marks in remarks column are indicated as follows : - A : CQ-DF402U - B : CQ-DFX302U...
  • Page 16 Ref. No. Part No. Part Name & Description Remarks [E-6784D] Main Block ICs AND TRANSISTORs IC201 YEAMEA6320TT IC241 C1EA00000021 IC241 C1EA00000026 IC261 YEAMPC4570T1 IC262 YEAMM62429FP IC280 YEAMM5218AFE IC601 C2ABGF000015 IC650 YEAMC14584BE IC701 YEAMM51945AL IC702 YEAMPC2910HF IC703 AN78N08 IC704 AN78N08 IC705 AN7805F IC800 AN7806F...
  • Page 17 Ref. No. Part No. Part Name & Description Remarks D703 YEADRD56M3T1 Diode D704 MA721TX Diode D705 MA704TW Diode D706 YEADRD51M2T1 Diode D707 YEAD11ES2T Diode D708 YEADRD91M1T2 Diode D709 YEAD11ES2T Diode D710 MA721TX Diode D712 MA1091LMTA Diode D716 YEAD11ES2T Diode D801 MA153TX Diode D802...
  • Page 18 Electrolytic, 10 F 16WV...
  • Page 19 Ref. No. Part No. Part Name & Description Remarks C261 ECEA0JKA470I Electrolytic, 47 F 6.3WV C262 YECUS1C224KX Ceramic, 0.22 F 16WV C263 YECUS1E223KX Ceramic, 0.022 F 25WV C264 ECEA1HKA2R2I Electrolytic, 2.2 F 50WV C266 ECEA0JKA470I Electrolytic, 47 F 6.3WV C270 ECEA1CKA100I Electrolytic, 10 F 16WV...
  • Page 20 Ref. No. Part No. Part Name & Description Remarks C403 ECEA1HKA4R7I Electrolytic, 4.7 F 50WV C404 YECUS1H103KX Ceramic, 0.01 F 50WV C405 YECUS1H102KX Ceramic, 0.001 F 50WV C510 YECUS1H103KX Ceramic, 0.01 F 50WV C601 YECUS1E104ZF Ceramic, 0.1 F 25WV C603 YECUS1E104ZF Ceramic, 0.1 F 25WV...
  • Page 21 Ref. No. Part No. Part Name & Description Remarks C801 ECEA1CKA101 Electrolytic, 100 F 16WV C802 F1K1E334A022 Ceramic, 0.33 F 25WV C803 ECEA1AKA221I Electrolytic, 220 F 10WV C804 YECUS1E104ZF Ceramic, 0.1 F 25WV RESISTORs J501 ERJ6GEY0R00V Chip, 0 1/10W J502 ERJ6GEY0R00V Chip, 0 1/10W...
  • Page 22 Ref. No. Part No. Part Name & Description Remarks J630 ERJ8GX0R00V Chip, 0 1/8W J631 ERJ8GEY0R00V Chip, 0 1/8W J632 ERJ8GEY0R00V Chip, 0 1/8W J633 ERJ8GX0R00V Chip, 0 1/8W J634 ERJ8GX0R00V Chip, 0 1/8W J635 ERJ8GX0R00V Chip, 0 1/8W J636 ERJ8GEY0R00V Chip, 0 1/8W...
  • Page 23 Ref. No. Part No. Part Name & Description Remarks R257 ERJ6GEYJ103 Chip, 10k 1/10W R260 ERJ6GEYJ104 Chip, 100k 1/10W R261 ERJ6GEYJ151 Chip, 150 1/10W R262 ERJ8GEYJ103V Chip, 10k 1/8W R263 ERJ8GEYJ822V Chip, 8.2k 1/8W R264 ERJ8GEYJ433V Chip, 43k 1/8W R267 ERJ6GEYJ103 Chip, 10k 1/10W...
  • Page 24 Ref. No. Part No. Part Name & Description Remarks R503 ERJ6GEYJ102 Chip, 1k 1/10W R504 ERJ8GEY0R00V Chip, 0 1/8W R603 ERJ6GEYJ473 Chip, 47k 1/10W R604 ERJ6GEYJ363V Chip, 36k 1/10W R605 ERJ6GEYJ104 Chip, 100k 1/10W R611 ERJ8GEYJ681V Chip, 680 1/8W R614 ERJ8GEYJ223V Chip, 22k 1/8W...
  • Page 25 Ref. No. Part No. Part Name & Description Remarks R703 ERJ6GEYJ472 Chip, 4.7k 1/10W R704 ERJ8GEYJ684V Chip, 680k 1/8W R705 ERJ6GEYJ223 Chip, 22k 1/10W R706 ERJ8GEYJ124V Chip, 120k 1/8W R707 ERJ6GEYJ103 Chip, 10k 1/10W R708 ERJ6GEYJ472 Chip, 4.7k 1/10W R709 ERJ6GEYJ473 Chip, 47k 1/10W...
  • Page 26 Ref. No. Part No. Part Name & Description Remarks L800 ELEH330KA Coil LAMPs J0LE00000002 Neon Lamp THERMISTORs PH720 YERT7AR4R7MT Thermistor [E-8984B] Display Block ICs AND TRANSISTORs IC901 YEAMLC75884W IC905 YEAMPASB06B2 Q931 YEANSSTA06T Transistor Q932 YEANSSTA06T Transistor DIODEs D900 LN1271RAL D926 MA8056LMHTX Diode D927...
  • Page 27 Ref. No. Part No. Part Name & Description Remarks R907 ERJ6GEYJ102 Chip, 1k 1/10W R908 ERJ6GEYJ102 Chip, 1k 1/10W R909 ERJ6GEYJ102 Chip, 1k 1/10W R910 ERJ6GEYJ102 Chip, 1k 1/10W R911 ERJ6GEYJ102 Chip, 1k 1/10W R931 ERJ6GEYJ222 Chip, 2.2k 1/10W R932 ERJ6GEYJ222 Chip, 2.2k 1/10W...
  • Page 28 Ref. No. Part No. Part Name & Description Remarks LAMP CFL931 A2CA00000019 Display Tube [E-8497B] Sub Block DIODEs D642 LNJ306G5TUWQ LED D643 LNJ306G5TUWQ LED CONNECTORs CJ640 K1KA15A00096 Connector, 15P CJ642 K1KA04A00296 Connector, 4P CP641 YEAE012761 Connector, 14P SWITCHEs SW610 YEAS09267 Switch Accessories PRINTING...
  • Page 29 Ref. No. Part No. Part Name & Description Remarks YEFA08517AK Rear Plate B(3-C) YEFF01921 Heat Sink (3-B) YEFC025658A Escutcheon Ass'y, Unit (2-C) YEFC027604 Escutcheon Ass'y, Detachable A(1-A) YEFC027602 Escutcheon Ass'y, Detachable B(1-A) YEFE135147 Button, EJECT (2-B) YEFE136599 Button, OPEN (1-A) YEFE136582B Button, PRESET (1-A)

  • Page 30: Exploded View (Unit)

    Ref. No. Part No. Part Name & Description Remarks 12. EXPLODED VIEW (Unit) 13. CD PLAYER PARTS LIST Notes :...
  • Page 31 1. Be sure to make your orders of replacement parts according to this list. 2. Important safety notice: Components, identified by ; mark have special characteristics important for safety. When replacing any of these components, use only manufacturer's specified parts. 3.
  • Page 32 Ref. No. Part No. Part Name & Description Remarks [VJB62115] CD Servo Block IC's AND TRANSISTORs C1BB00000665 C0GBE0000012 C2BBFD000355 2SA1037AKTXR Transistor CAPACITORs C1,2 ECUX1H103KBV Chip, 0.01 F 50WV ECEA0JKA101 Electrolytic, 100 F 6.3WV ECUX1C104KBV Chip, 0.1 F 16WV ECUX1H105JCV Chip, 15PF 50WV ECUX1H040CCV Chip, 4PF 50WV ECUX1C104ZFV...
  • Page 33 Ref. No. Part No. Part Name & Description Remarks ECUV1H103KBV Chip, 0.01 F 50WV RESISTORs ERJ8GEY0R00V Chip, 0 1/8W ERJ3GEYJ221V Chip, 220 1/16W ERJ3GEYJ330V Chip, 33 1/16W ERJ3GEYJ752V Chip, 7.5k 1/16W R4,5 ERJ3GEYJ4R7V Chip, 4.7 1/16W ERJ3GEY0R00V Chip, 0 1/16W R10,11 ERJ3GEYJ221V Chip, 220...
  • Page 34 Ref. No. Part No. Part Name & Description Remarks ESE11SH2 RSP1A015-A RSP1A015-A RSP1A015-A CONNECTORs RJS2A1816T Connector,16P VJS3406D014 Connector,14P RJS1A7105T Connector,5P RJP2G17ZA Connector,2P MISCELLANEOUS RDG0350 Gear V(1-B) RDG0351 Gear N2 V(1-C) RDG0352 Loading Gear V(1-C) RDG0353 Roller Drive Gear V(1-C) RDG0354 Roller Drive Arm V(1-C) REM0060...

  • Page 35: Exploded View (Cd Deck)

    Ref. No. Part No. Part Name & Description Remarks RMC0295 Drive Shaft Retainer V(3-B) RMC0293 Clamper Retainer V(4-B) RML0429 Clamp Arm V(4-B) RMQ0467 Screw V(4-B) RMR0956-W Clamper (4-B) RMB0345-2 Spring V(4-A) RMB0445 Spring V(1-B) RMB0467 Spring V(2-B) RXK0199 Traverse Chassis V(4-A) RFKPAJ2751K Spindle Motor...

  • Page 36: Packing Parts List

    15. PACKING PARTS LIST...

  • Page 37: Wiring Diagram

    Inner Carton Not available Packing Pad Front Not available Packing Pad Rear Not available YEFG04019 Rear Support Strap YEP9PR3615 Instruction Book Kit (CQ-DF402U) Not available YEP9PR3614 Instruction Book Kit (CQ-DFX302U) YEFM283862 Instruction Book Not available Warranty Card for USA Not available...

  • Page 38: Schematic Diagram For Printing With Letter Size

    16.3. Main Block (Top View) 16.4. Main Block (Bottom View) 16.5. CD Servo Block (Top View) 16.6. CD Servo Block (Bottom View) 17. SCHEMATIC DIAGRAM (1) 17.1. Sub. Block 18. SCHEMATIC DIAGRAM (2) 18.1. Display Block 18.2. Main Block 18.3. CD Servo Block 19.
  • Page 40 1V/DIV, 20nS/DIV 2V/DIV, 10µS/DIV 2.5V 2V/DIV, 0.1mS/DIV 2V/DIV, 2µS/DIV 1V/DIV, 20nS/DIV TRACKING-COIL 2V/DIV, 0.2µS/DIV 2V/DIV, 0.1mS/DIV FOCUS-COIL 3.5V 2V/DIV, 0.2µS/DIV 2V/DIV, 50µS/DIV C2BBFD000355 2V/DIV, 2µS/DIV 2V/DIV, 0.1mS/DIV 2V/DIV, 50µS/DIV CQ-DF402U/DFX302U CD BLOCK (RAJ2722 ) Printed in Japan (K) 2002.3 (Recycled Paper)
  • Page 41 CQ-DF402U/DFX302U DISPLAY...
  • Page 43 E-8497Bb D642,643 LNJ306G5TUWQ E-8497Ba To Display P.C.B E-8984B CN901 POWER LED P.GND VDD.5V RM DATE LCD.DI FP.OPEN P.LED LCD.CLK RM.DTAT LCD.DO LCD.CE P.GND ILL 8V INV.GND ILL8V INV.GND INV.5V CP641 CQ-DF402U/DFX302U SUB BLOCK...
  • Page 44 Additional P.C.B. 75 76 [VJB62115][Bottom View] CQ-DF402U/DFX302U CD P.C.B. (RAJ2722)
  • Page 45 [VJB62115] [Top View] CQ-DF402U/DFX302U CD P.C.B. (RAJ2722)
  • Page 46 [E-8984B] <Top View> <Bottom View> CQ-DF402U/DFX302U DISPLAY...
  • Page 47 [E-6784Da][Bottom View] [E-6784Db] [Bottom View] CQ-DF402U/DFX302U MAIN...
  • Page 48 [E-6784Da][Top View] [E-6784Db] [Top View] CQ-DF402U/DFX302U MAIN...
  • Page 49 [E-8497Bb] <TOP VIEW> <BOTTOM VIEW> [E-8497Ba] <BOTTOM VIEW> <TOP VIEW> CQ-DF402U/DFX302U SUB...
  • Page 50 18.3. CD Servo Block VJB62115 LOADING MOTOR SPINDLE MOTOR TRACKING-COIL 2V/DIV, 0.2µS/DIV 2V/DIV, 0.1mS/DIV FOCUS-COIL 3.5V 2V/DIV, 0.2µS/DIV 2V/DIV, 50µS/DIV C2BBFD000355 2V/DIV, 2µS/DIV 2V/DIV, 0.1mS/DIV 2V/DIV, 50µS/DIV...
  • Page 51 (CN5) 2V/DIV, 50µS/DIV 4.5V 2V/DIV, 0.2mS/DIV 4.5V 2V/DIV, 10µS/DIV 4.5V 2V/DIV, 0.2µS/DIV 1V/DIV, 20nS/DIV 2V/DIV, 10µS/DIV 2.5V 2V/DIV, 0.1mS/DIV 2V/DIV, 2µS/DIV 1V/DIV, 20nS/DIV 0.1mS/DIV IV, 50µS/DIV /DIV, 0.1mS/DIV CQ-DF402U/DFX302U CD BLOCK (RAJ2722 ) Printed in Japan (K) 2002.3 (Recycled Paper)
  • Page 52 18 SCHEMATIC DIAGRAM (2) 18.1. Display Block...
  • Page 53 CQ-DF402U / CQ-DFX302U CQ-DF402U/DFX302U DISPLAY...
  • Page 54 CQ-DF402U / CQ-DFX302U 18.2. Main Block...

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