Panasonic CQ-C7703N Service Manual
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Panasonic CQ-C7703N Service Manual

Wma mp3 cd player/receiver
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SPECIFICATIONS
Specifications*
General
Power Supply
Tone Controls (Bass/
Treble)
Equalizer Center Frequency 60, 160, 400, 1k, 3k, 6k, 16k Hz
Variable Range of Equalizer -12dB to 12dB (2dB step)
Current Consumption
Maximum Power Output
Maximum Power Output
Power Output
Power Output
Speaker Impedance
Pre-amp Output Voltage
Subwoofer Output Voltage
Pre-amp Output Impedance 200
Subwoofer Output
Impedance
FM Stereo Radio
Frequency Range
ORDER NO. ACED060105C8
AUTOMOTIVE AFTERMARKET
CQ-C7703N / CQ-C7303N
WMA MP3 CD Player/Receiver
DC 12V (11V - 16V),
Test Voltage 14.4V
Negative Ground
Bass: ±12dB at 60Hz / Treble: ±
12dB at 16kHz
Less than 2.2A / (CD mode; 0.5W × 4
-speaker)
70W × 4 (CQ-C7703N, at 1kHz)
50W × 4 (CQ-C7303N, at 1kHz)
40W × 4 (CQ-C7703N, DIN 45 324, at
4
)
23W × 4 (CQ-C7303N, DIN 45 324, at
4
)
4 - 8
2.5V (CD mode; 1kHz, 0dB)
2.5V (CD mode; 1kHz, 0dB)
200
87.5MHz - 108MHz
1

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Summary of Contents for Panasonic CQ-C7703N

  • Page 1 70W × 4 (CQ-C7703N, at 1kHz) Maximum Power Output 50W × 4 (CQ-C7303N, at 1kHz) Power Output 40W × 4 (CQ-C7703N, DIN 45 324, at Power Output 23W × 4 (CQ-C7303N, DIN 45 324, at Speaker Impedance 4 - 8 Pre-amp Output Voltage 2.5V (CD mode;...

  • Page 2: About Lead Free Solder (Pbf)

    Channel Separation 85dB Dimensions (W×H×D)** 178×50×155mm Weight** 1.7 kg (CQ-C7703N) 1.6 kg (CQ-C7303N) * Specifications and the design are subject to possible modification without notice due to improvements. ** Dimensions and Weight shown are approximate. ** Above specifications comply with EIA standards.

  • Page 3: Replaceing The Fuse

    - SQ7 (7-Band Sound Quality). - Customize the Display (Customize Function) - MP3/WMA Playback from CD-R/RW. - This manual is for 2 models CQ-C7703N and CQ-C7703N. The following table describes the differences between 2 models. 3. REPLACEING THE FUSE Use fuses of the same specified rating 15 amps. 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: Laser Products

    This model has no servo alignment points because microcomputer controls the servo circuit 6. DIMENSIONS 7. LASER PRODUCTS 8. WIRING CONNECTION 8.1. CQ-C7703N...
  • Page 5 8.2. CQ-C7303N...
  • Page 6 9. DISASSEMBLY INSTRUCTIONS 9.1. How to Remove the Flexible PCB(AP2)

  • Page 7: Terminals Description

    9.2. How to Install the Main P.C.B. of the Electric Display 10. TERMINALS DESCRIPTION 10.1. Main Block [CQ-C7703N] IC601 : C2CBKG000037...
  • Page 8 Port Description Port Description FM AM CD FM AM CD 27 CH STB Strobe from 1 PANEL Panel open 0 5.2 5.2 Changer OPEN detection 28 CH REM Remote control O 4.9 4.9 0.4 2 PANEL Panel close 0 5.2 codes to Changer CLOSE detection...
  • Page 9 Port Description FM AM CD 51 DCDC Not connected CONT 52 FP Open/Close of O 4.9 5.0 4.9 MOTOR1 Front panel 1 53 FP Open/Close of O 4.9 5.0 4.9 MOTOR2 Front panel 2 54 V CONT1 Reference voltage 0 5.0 control for motor driver 55 REMO 1...
  • Page 10 10.2. Main Block [CQ-C7303N] IC601 : C2CBKG000037 Port Description FM AM CD 1 PANEL Panel open 0 5.2 5.2 OPEN detection 2 PANEL Panel close 0 5.2 CLOSE detection 3 SUBM CNT 3.3V power control O 5.0 - for Display 4 BATT Battery power I 4.8 5.0 5.0...
  • Page 11 Port Description FM AM CD 26 CD DO Serial data from CD deck 27 CH STB Strobe from Changer 28 CH REM Remote control O 4.9 4.9 0.4 codes to Changer 29 DECK V Power control for O 4.9 4.9 4.9 CONT CD deck 30 REMO INT Interrupt for remote...
  • Page 12 Port Description FM AM CD 50 H Standby control I 5.0 5.0 5.0 STANDBY from external 51 NC Not connected 52 FP Open/Close of O 4.9 5.0 4.9 MOTOR1 Front panel 1 53 FP Open/Close of O 4.9 5.0 4.9 MOTOR2 Front panel 2 54 V CONT1...
  • Page 13 79 Vss Port Description FM AM CD 80 X1 Crystal oscillator I 2.0 2.0 2.0 clock 81 X2 Crystal oscillator O 2.5 2.5 2.5 clock 82 Vdd +5V power supply - 5.0 5.0 5.0 83 P00 Pulled down to L 84 P01 Pulled up to H - 5.1 5.0 5.1...
  • Page 14 Port Part Name & Description I/O (V) A18 in Address bus O 1.5 A19 in Address bus O 1.7 A20 in Address bus O 1.3 Not connected LED G LED B A0 in address bus for LCD O 1.3 A1 in Address bus O 0.3 10 A2 A2 in Address bus...
  • Page 15 Port Part Name & Description I/O (V) 42 KI4 Key-in return 4 43 KI3 Key-in return 3 44 KI2 Key-in return 2 45 NC Pulled down to L 46 NC Pulled up to H 47 MD0 Operating mode control 0 from Flash writer 48 MD1 Operating mode control 1:...

  • Page 16: Cd Servo Block

    77 NC Not connected Port Part Name & Description I/O (V) 78 X0A 79 VSS 80 X0 System clock (12.5MHz) 81 X1 System clock (12.5MHz) O 1.5 82 VCC +3.3V Power supply 83 D0 D0 in Data bus I/O 0.9 84 D1 D0 in Data bus I/O 0.9...
  • Page 17 Port Descriptions AVSS LD-MT Loading Motor drive IC control 1 Loading Motor drive IC control 2 Not Connected LD-EJ Loading Motor drive IC control (Eject) AMUTE Mute signal output Not Connected SBSY DSP IC SBSY Not Connected Not Connected TXD0 Serial data output RXD0 Serial data input...
  • Page 18 Port Descriptions CLK1 Clock input DVCC Power supply (3.3V) Crystal oscillator DVSS Crystal oscillator RESET Reset Not Connected Not Connected Not Connected STBY DSP IC STBY DSP IC RST DSP IC CCE BUCK DSP IC CK BUS3 DSP IC BUS3 BUS2 DSP IC BUS2 BUS1...

  • Page 19: Ic Block Diagram

    Port Descriptions P53/ AVCC Power supply (3.3V) 11. IC BLOCK DIAGRAM 11.1. Main Block IC201 : C1BB00000796 IC211 : C0JBAS000008 [CQ-C7703N]...
  • Page 20 IC231 : C0JBZS000003 [CQ-C7303N] IC251,252 : C0ABBB000184 [CQ-C7703N] IC670 : YEAMC14584BE...
  • Page 21 IC730 : C0DAEKG00002 IC701 : C0DAZHF00004 IC755 : C0DBZGD00040...

  • Page 22: Display Block

    IC760 : C0GBG0000032 11.2. Display Block IC902 : C0EBF0000374 11.3. CD Servo Block IC401, IC403 : YESAM341 IC402 : YESAM342...
  • Page 23 12. REPLACEMENT PARTS LIST [CQ-C7703N] Notes : 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.
  • Page 24 Ref. No. Part No. Part Name & Description Remarks Q255 B1GBHBEA0004 Transistor Q256 B1GBHBEA0004 Transistor Q301 B1GBCFNN0004 Transistor Q305 B1GBHBEA0004 Transistor Q306 B1GBHBEA0004 Transistor Q355 B1GBHBEA0004 Transistor Q356 B1GBHBEA0004 Transistor Q405 B1GBHBEA0004 Transistor Q630 B1GBCFNN0004 Transistor Q633 B1GDCFJJ0002 Transistor Q650 YEANC114YKX Transistor Q651...
  • Page 25 D702 MA736TX Diode...
  • Page 26 Ref. No. Part No. Part Name & Description Remarks D703 B0BC5R7A0062 Diode D704 B0JCMC000004 Diode D705 YEADSR1544TL Diode D706 YEADSR1544TL Diode D707 YEADRB051L40 Diode D710 B0JCMC000004 Diode D715 MA3X152A0L Diode D716 MA721TX Diode D760 B0BC5R000020 Diode D761 B0BC3R0A0058 Diode D770 B0ACCK000005 Diode D771...
  • Page 27 Ref. No. Part No. Part Name & Description Remarks C205 EEE1HA3R3SR Electrolytic, 3.3 F 50WV C208 F1J1A2250004 Ceramic, 2.2 F 10WV C210 EEE1CA100SR Electrolytic, 10 F 16WV C211 EEE1HA3R3SR Electrolytic, 3.3 F 50WV C212 EEE1CA100SR Electrolytic, 10 F 16WV C215 YECUZ1C104KX Ceramic, 0.1 F 16WV...
  • Page 28 Ref. No. Part No. Part Name & Description Remarks C301 F1J1H681A672 Ceramic, 680PF 50WV C302 EEE1CA100SR Electrolytic, 10 F 16WV C303 YECUS1C334KX Ceramic, 0.33 F 16WV C305 EEE1HA3R3SR Electrolytic, 3.3 F 50WV C306 F2A1A101A450 Electrolytic, 100 F 10WV C307 EEE1CA100SR Electrolytic, 10 F 16WV C308...
  • Page 29 Ref. No. Part No. Part Name & Description Remarks C401 EEE1HA3R3SR Electrolytic, 3.3 F 50WV C402 F1J1A2250004 Ceramic, 2.2 F 10WV C403 F1J1A2250004 Ceramic, 2.2 F 10WV C410 F2A1H3R3A501 Electrolytic, 3.3 F 50WV C562 F1J1H103A513 Ceramic, 0.01 F 50WV C564 F1H1E103A011 Ceramic, 0.01 F 25WV...
  • Page 30 Ref. No. Part No. Part Name & Description Remarks C707 F2A1C1020069 Electrolytic, 1000 F 16WV C708 F2A1H1R00095 Electrolytic, 1 F 50WV C711 F1J1H103A513 Ceramic, 0.01 F 50WV C712 F1K1E334A022 Ceramic, 0.33 F 25WV C713 YECUS1C474KX Ceramic, 0.47 F 16WV C715 YECUS1E104ZF Ceramic, 0.1 F 25WV...
  • Page 31 Ref. No. Part No. Part Name & Description Remarks C781 F1J1H1040014 Ceramic, 0.1 F 50WV C790 F1J1H103A513 Ceramic, 0.01 F 50WV C791 EEAFC1C560H Electrolytic, 56 F 16WV C792 YECUX1C334KX Ceramic, 0.33 F 16WV C793 F1J1E334A009 Ceramic, 0.33 F 25WV C796 F1J1H1040014 Ceramic, 0.1 F 50WV...
  • Page 32 Ref. No. Part No. Part Name & Description Remarks R212 ERJ6GEYJ153 Chip, 15k 1/10W R213 ERJ3GEYJ561V Chip, 560 1/16W R214 ERJ3GEYJ103V Chip, 10k 1/16W R215 ERJ3GEYJ104V Chip, 100k 1/16W R216 ERJ3GEYJ104V Chip, 100k 1/16W R217 ERJ3GEYJ103V Chip, 10k 1/16W R218 ERJ6GEYJ103 Chip, 10k 1/10W...
  • Page 33 Ref. No. Part No. Part Name & Description Remarks R298 ERJ6GEYJ271 Chip, 270 1/10W R301 ERJ6GEYJ152 Chip, 1.5k 1/10W R302 ERJ6GEYJ103 Chip, 10k 1/10W R303 ERJ6GEYJ183 Chip, 18k 1/10W R305 ERJ3GEYJ562V Chip, 5.6k 1/16W R306 ERJ3GEYJ103V Chip, 10k 1/16W R308 ERJ3GEYJ472V Chip, 4.7k 1/16W...
  • Page 34 Ref. No. Part No. Part Name & Description Remarks R382 ERJ1TYJ100U Metal, 10 R383 ERJ6GEYJ273 Chip, 27k 1/10W R384 ERJ6GEYJ273 Chip, 27k 1/10W R385 ERJ6GEYJ822 Chip, 8.2k 1/10W R386 ERJ6GEYJ822 Chip, 8.2k 1/10W R391 ERJ8GEYJ100V Chip, 10 1/8W R393 ERJ8GEYJ100V Chip, 10 1/8W R395...
  • Page 35 Ref. No. Part No. Part Name & Description Remarks R632 ERJ6GEYJ473 Chip, 47k 1/10W R633 ERJ3GEYJ102V Chip, 1k 1/16W R634 ERJ3GEYJ561V Chip, 560 1/16W R635 ERJ3GEYJ102V Chip, 1k 1/16W R636 ERJ3GEYJ102V Chip, 1k 1/16W R637 ERJ3GEYJ102V Chip, 1k 1/16W R638 ERJ3GEYJ102V Chip, 1k 1/16W...
  • Page 36 Ref. No. Part No. Part Name & Description Remarks R689 ERJ3GEYJ561V Chip, 560 1/16W R690 ERJ3GEYJ561V Chip, 560 1/16W R691 ERJ6GEYJ102 Chip, 1k 1/10W R692 ERJ3GEYJ102V Chip, 1k 1/16W R693 ERJ3GEYJ102V Chip, 1k 1/16W R694 ERJ3GEYJ102V Chip, 1k 1/16W R695 ERJ3GEYJ102V Chip, 1k 1/16W...
  • Page 37 Ref. No. Part No. Part Name & Description Remarks CN401 K2KF29Z00036 Plug, 4P CN600 K1KB08A00068 Connector, 8P CN601 K1MN16BA0111 Connector, 16P CN651 K1KA18A00074 Connector, 18P CN680 K1AA113B0002 Connector, 13P CN701 K1FA116B0028 Connector, 16P CN760 YEAE5339802 Connector, 2P COILs FB601 J0JBC0000073 Coil FB602 J0JBC0000073...
  • Page 38 C5HAAKH00001 IC HYBRID...
  • Page 39 Ref. No. Part No. Part Name & Description Remarks C0EBB0000181 DIODEs MA3X152K0L Diode CAPACITORs EEUFK1C392S Electrolytic, 3900 F 16WV EEUFK1E332 Electrolytic, 3300 F 25WV ECA1HHG3R3I Electrolytic, 3.3 F 50WV ECA1HHG2R2I Electrolytic, 2.2 F 50WV F1J1H103A513 Ceramic, 0.01 F 50WV YECUS1E104ZF Ceramic, 0.1 F 25WV YECUS1E104ZF...
  • Page 40 Q943 B1ABCF000187 Transistor Ref. No. Part No. Part Name & Description Remarks DIODEs D901 B0BC5R600003 Diode D903 B0BC4R000006 Diode D906 B0BC01100039 Diode D907 B3AFB0000091 Diode D909 MA152WKTX Diode D910 B0BC4R000006 Diode D911 B0BC4R000006 Diode D912 B0BC4R000006 Diode D913 B0BC4R000006 Diode D914 B0BC4R000006 Diode...
  • Page 41 Ref. No. Part No. Part Name & Description Remarks C937 YECUV1C225KX Ceramic, 2.2 F 16WV C938 YECUZ1C104KX Ceramic, 0.1 F 16WV C939 YECUV1C225KX Ceramic, 2.2 F 16WV C940 YECUV1C225KX Ceramic, 2.2 F 16WV C941 YECUV1C225KX Ceramic, 2.2 F 16WV C942 YECUV1C225KX Ceramic, 2.2 F 16WV...
  • Page 42 Ref. No. Part No. Part Name & Description Remarks R955 ERJ8GEYJ751V Chip, 750 1/8W R956 ERJ8GEYJ331V Chip, 330 1/8W R957 ERJ8GEYJ391V Chip, 390 1/8W R958 ERJ8GEYJ751V Chip, 750 1/8W R959 ERJ8GEYJ331V Chip, 330 1/8W R960 ERJ8GEYJ391V Chip, 390 1/8W R961 ERJ8GEYJ751V Chip, 750 1/8W...
  • Page 43 Ref. No. Part No. Part Name & Description Remarks YEFM262697 System Upgrade Guidebook YEFM294135 Installation Instructions YEFM294136 YEFM294137 INSTALLATION PARTS EUR7641010 Remote Control Unit (includes a battery) CR2025/1F Lithium Battery YGAJ021010 Power Connector YEFX0217222 Mounting Collar YEFC051013 Trim Plate YEP0FZ5711 Installation Kit (Lock Cancel Plate, Mounting Bolt, ISO Antenna Adapter) YEFA134150...
  • Page 44 YEJS06404A Binding Screw YEJT03333A Tapping Screw XQN2+C4FJK Machin Screw XQN2+BG8FJK Machin Screw XSB3+8FJ Binding Screw XSB3+6FJ Binding Screw XSB26+5FJ Binding Screw XTB3+8FFJ Tapping Screw XTB3+6FFJ Tapping Screw XTB26+6FFJ Tapping Screw XTB2+6GFJ Tapping Screw YEJS05016A Screw 13. EXPLODED VIEW (Unit) [CQ-C7703N]...
  • Page 45 14. REPLACEMENT PARTS LIST [CQ-C7303N] Notes : 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.
  • Page 46 3. Location keys in the remarks column indicates the general location of the parts shown in the exploded drawing, as in a road map. 4. The marking (RTL) indicates that Retention Time is limited for this item. After the discontinuation of assembly in production, the item will continue to be available for a specific period of time.
  • Page 47 Ref. No. Part No. Part Name & Description Remarks Q681 B1GDCFJJ0002 Transistor Q701 B1BACF000026 Transistor Q760 B1GBCFNN0004 Transistor Q791 B1GBNCEJ0003 Transistor Q793 YEANC114YKX Transistor DIODEs D201 B0JCME000012 Diode D202 B0JCME000012 Diode D203 B0JCME000012 Diode D204 B0JCME000012 Diode D301 B0JCME000012 Diode D302 B0JCME000012 Diode...
  • Page 48 Ref. No. Part No. Part Name & Description Remarks YECUS1H183KX Ceramic, 0.018 F 50WV YECUS1H183KX Ceramic, 0.018 F 50WV F1J1H1020024 Ceramic, 1000PF 50WV F1J1H471A672 Ceramic, 470PF 50WV C206 F2A1C100A502 Electrolytic, 10 F 16WV C213 F1J1A2250004 Ceramic, 2.2 F 10WV C215 F1J1A2250004 Ceramic, 2.2 F 10WV...
  • Page 49 Ref. No. Part No. Part Name & Description Remarks C338 YECUZ1C104KX Ceramic, 0.1 F 16WV C339 YECUZ1C104KX Ceramic, 0.1 F 16WV C340 F1J1C1050013 Ceramic, 1 F 16WV C341 F1K1C1060001 Ceramic, 10 F 16WV C342 YECUZ1C333KX Ceramic, 0.033 F 16WV C343 F1H1E103A011 Ceramic, 0.01 F 25WV...
  • Page 50 Ref. No. Part No. Part Name & Description Remarks C508 F2A1C100A502 Electrolytic, 10 F 16WV C601 YECUS1C104KX Ceramic, 0.1 F 16WV C602 F1H1E103A011 Ceramic, 0.01 F 25WV C603 F2A0J3310051 Electrolytic, 330 F 6.3WV C604 ECA0JM471I Electrolytic, 470 F 6.3WV C605 YECUS1C104KX Ceramic, 0.1 F 16WV...
  • Page 51 Ref. No. Part No. Part Name & Description Remarks C755 YECUZ1C104KX Ceramic, 0.1 F 16WV C756 F1J1C1050013 Ceramic, 1 F 16WV C757 F1H1E103A011 Ceramic, 0.01 F 25WV C758 F2A0J470A558 Electrolytic, 47 F 6.3WV C760 F1H1E103A011 Ceramic, 0.01 F 25WV C761 YECUS1E104ZF Ceramic, 0.1 F 25WV...
  • Page 52 Chip, 0 1/8W Ref. No. Part No. Part Name & Description Remarks J524 ERJ8GX0R00V Chip, 0 1/8W J525 ERJ8GX0R00V Chip, 0 1/8W J526 ERJ8GX0R00V Chip, 0 1/8W J529 ERJ8GX0R00V Chip, 0 1/8W J531 ERJ8GX0R00V Chip, 0 1/8W J534 ERJ8GX0R00V Chip, 0 1/8W J536 ERJ8GX0R00V...
  • Page 53 Ref. No. Part No. Part Name & Description Remarks ERJ6GEYJ222 Chip, 2.2k 1/10W ERJ6GEYJ102 Chip, 1k 1/10W R202 ERJ6GEYJ152 Chip, 1.5k 1/10W R203 ERJ6GEYJ103 Chip, 10k 1/10W R213 ERJ6GEYJ562 Chip, 5.6k 1/10W R214 ERJ6GEYJ103 Chip, 10k 1/10W R215 ERJ3GEYJ472V Chip, 4.7k 1/16W R216 ERJ3GEYJ123V...
  • Page 54 Ref. No. Part No. Part Name & Description Remarks R346 ERJ3GEYJ104V Chip, 100k 1/16W R348 ERJ3GEYJ180V Chip, 18 1/16W R368 ERJ3GEYJ563V Chip, 56k 1/16W R369 ERJ3GEYJ133V Chip, 13k 1/16W R370 ERJ3GEYJ363V Chip, 36k 1/16W R371 ERJ3GEYJ822V Chip, 8.2k 1/16W R372 ERJ3GEYJ103V Chip, 10k 1/16W...
  • Page 55 Ref. No. Part No. Part Name & Description Remarks R507 ERJ3GEYJ103V Chip, 10k 1/16W R600 ERJ8GX0R00V Chip, 0 1/8W R601 ERJ3GEYJ432V Chip, 4.3k 1/16W R602 ERJ3GEYJ432V Chip, 4.3k 1/16W R603 ERJ6GEYJ103 Chip, 10k 1/10W R604 ERJ6GEYJ103 Chip, 10k 1/10W R605 ERJ3GEYJ102V Chip, 1k 1/16W...
  • Page 56 Ref. No. Part No. Part Name & Description Remarks R670 ERJ3GEYJ104V Chip, 100k 1/16W R671 ERJ3GEYJ104V Chip, 100k 1/16W R673 ERJ3GEYJ104V Chip, 100k 1/16W R674 ERJ3GEYJ272V Chip, 2.7k 1/16W R675 ERJ6GEYJ272 Chip, 2.7k 1/10W R676 ERJ3GEYJ472V Chip, 4.7k 1/16W R677 ERJ6GEYJ561 Chip, 560 1/10W...
  • Page 57 Ref. No. Part No. Part Name & Description Remarks CN302 K2KF29Z00037 Plug, 4P CN351 K2KF29Z00033 Plug, 4P CN601 K1MN16BA0111 Connector, 16P CN651 K1KA18A00074 Connector, 18P CN670 K1PQ07A00005 Connector, 7P CN680 K1AA113B0002 Connector, 13P CN701 K1FA116B0028 Connector, 16P CN760 YEAE5339802 Connector, 2P COILs G1C150K00011 Coil...
  • Page 58 Q903 B1GBCFNN0004 Transistor Ref. No. Part No. Part Name & Description Remarks Q912 B1BBAC000014 Transistor Q941 B1ABCF000187 Transistor Q942 B1ABCF000187 Transistor Q943 B1ABCF000187 Transistor DIODEs D901 B0BC5R600003 Diode D903 B0BC4R000006 Diode D906 B0BC01100039 Diode D907 B3AFB0000091 Diode D909 MA152WKTX Diode D910 B0BC4R000006 Diode...
  • Page 59 Ref. No. Part No. Part Name & Description Remarks C934 YECUV1C225KX Ceramic, 2.2 F 16WV C935 YECUV1C225KX Ceramic, 2.2 F 16WV C936 YECUV1C225KX Ceramic, 2.2 F 16WV C937 YECUV1C225KX Ceramic, 2.2 F 16WV C938 YECUZ1C104KX Ceramic, 0.1 F 16WV C939 YECUV1C225KX Ceramic, 2.2 F 16WV...
  • Page 60 Ref. No. Part No. Part Name & Description Remarks R952 ERJ3GEYJ473V Chip, 47k 1/16W R953 ERJ3GEYJ473V Chip, 47k 1/16W R954 ERJ3GEYJ473V Chip, 47k 1/16W R955 ERJ8GEYJ751V Chip, 750 1/8W R956 ERJ8GEYJ331V Chip, 330 1/8W R957 ERJ8GEYJ391V Chip, 390 1/8W R958 ERJ8GEYJ751V Chip, 750 1/8W...
  • Page 61 Ref. No. Part No. Part Name & Description Remarks PRINTINGs YEFM285769 Operating Instructions YEFM262697 System Upgrade Guidebook YEFM294135 Installation Instructions YEFM294136 YEFM294137 INSTALLATION PARTS EUR7641010 Remote Control Unit (includes a battery) CR2025/1F Lithium Battery YGAJ021010 Power Connector YEFX0217222 Mounting Collar YEFC051013 Trim Plate YEP0FZ5711...
  • Page 62 Ref. No. Part No. Part Name & Description Remarks YEFR041000 YEFM031551 Laser Seal YEFM031550 Laser Seal YEFA07669 Front Plate Steel YEFC028113 Rear Cover, Escutcheon YEFS02431 YEFX0012368 Transparent Plate, Escutcheon YEFS012112 Pad, Escutcheon YEFC028112 Front Cover, Escutcheon YEFA131827 Flexible PCB Case YEP9FX352 Drive, Mechanical Assy YGP0PT3108S9...

  • Page 63: Cd Player Parts List

    16. CD PLAYER PARTS LIST Notes : 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.
  • Page 64 3. Location keys in the remarks column indicates the general location of the parts shown in the exploded drawing, as in a road map. 4. The marking (RTL) indicates that Retention Time is limited for this item. After the discontinuation of assembly in production, the item will continue to be available for a specific period of time.
  • Page 65 Ref. No. Part No. Part Name & Description Remarks C214 YESCC435 Ceramic, 47pF 50WV C215 YESCC444 Ceramic, 0.015 F 50WV C216 YESCC442 Ceramic, 0.01 F 50WV C218 YESCC442 Ceramic, 0.01 F 50WV C219 YESCC525 Ceramic, 0.047 F 50WV C220 YESCC439 Ceramic, 0.1 F 25WV C221...
  • Page 66 Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks C407 YESCC452 R206 ERJ3GEY0R00V Chip, 0 1/16W Ceramic, 1 F 16WV R207 YESRG224 C408 YESCC453 Chip, 100k 1/10W Ceramic, 0.47 F 25WV R208 YESRG224 Chip, 100k...
  • Page 67 Ref. No. Part No. Part Name & Description Remarks R314 YESRG356 Chip, 15k 1/10W R324 YESRG223 Chip, 10k 1/10W R325 YESRG223 Chip, 10k 1/10W R326 ERJ3GEY0R00V Chip, 0 1/16W CONNECTORs CN101 YESAE409 Connector, 18P Ref. No. Part No. Part Name & Description Remarks CN102 YESAE350...

  • Page 68: Exploded View (Cd Player)

    17. EXPLODED VIEW (CD PLAYER) 18. WIRING DIAGRAM 18.1. Main Block (Top View) [CQ-C7703N] 18.2. Main Block (Bottom View) [CQ-C7703N]...

  • Page 69: Schematic Diagram

    18.3. DC-DC Block [CQ-C7703N] 18.4. Display Block 18.5. Main Block (Top View) [CQ-C7303N] 18.6. Main Block (Bottom View) [CQ-C7303N] 18.7. CD Servo Block (Top View) 18.8. CD Servo Block (Bottom View) 19. SCHEMATIC DIAGRAM-1 19.1. DC-DC Block [CQ-C7703N] 20. SCHEMATIC DIAGRAM-2 20.1.
  • Page 70 21.2. Main-2/ Display Block [CQ-C7703N] 21.3. Main-1 Block [CQ-C7303N]...
  • Page 71 21.4. Main-2/ Display Block [CQ-C7303N] 21.5. CD Servo Block...

  • Page 72: Schematic Diagram For Printing With A4 Size

    22. SCHEMATIC DIAGRAM for Printing with A4 Size 22.1. Main Block-1 [CQ-C7703N] (Left Side) 22.2. Main Block-1 [CQ-C7703N] (Right Side) 22.3. Main Block-2 [CQ-C7703N] (Left Side) 22.4. Main Block-2 [CQ-C7703N] (Right Side) 22.5. Display Block [CQ-C7703N] (Left Side) 22.6. Display Block [CQ-C7703N] (Right Side) 22.7.
  • Page 88 3032-14-35 0.5V/DIV,0.1µs/DIV 3.3V 3.3V YESAM343 2V/DIV,1ms/DIV 2V/DIV,5ms/DIV YESAN086 YESAM337 2V/DIV,5ms/DIV 3.3V YESAN116 B1GDCFJJ008 YESAM342 YESAN116 3.3V 3.3V MAIN CN651 3.3V 3.3V YESAM341 YESAM339 YESAM341 The following symbols are shown on the schematic diagram. 3.3V 3.3V CD(L,R) CQ-C7703N/C7303N CD DECK...
  • Page 90 CQ-C7703N / CQ-C7303N 20.2. Main Block-2 [CQ-C7703N]...
  • Page 91 CQ-C7703N / CQ-C7303N...
  • Page 92 20.5. Main Block-2 [CQ-C7303N]...
  • Page 93 CQ-C7703N / CQ-C7303N...
  • Page 94 20 SCHEMATIC DIAGRAM-2 20.1. Main Block-1 [CQ-C7703N]...
  • Page 96 CQ-C7703N / CQ-C7303N 20.4. Main Block-1 [CQ-C7303N]...
  • Page 97 CQ-C7703N / CQ-C7303N...
  • Page 98 20.3. Display Block [CQ-C7703N]...
  • Page 100 CQ-C7703N / CQ-C7303N 20.6. Display Bloc [CQ-C7303N]...
  • Page 101 CQ-C7703N / CQ-C7303N 032-14-35 0.5V/DIV,0.1µs/DIV 3.3V 3.3V 2V/DIV,1ms/DIV 2V/DIV,5ms/DIV YESAM337 2V/DIV,5ms/DIV 3.3V YESAN116 B1GDCFJJ008 YESAM342 YESAN116 3.3V 3.3V MAIN CN651 3.3V 3.3V YESAM341 YESAM341 CQ-C7703N/C7303N CD DECK...
  • Page 102 20.7. CD Servo Block 3032-14-35 YESAM343 YESAN086 YESA B1GDCFJJ008 YESAN116 YESAM339 The following symbols are shown on the schematic diagram. 3.3V 3.3V CD(L,R)
  • Page 103 THIS PAGE IS JUST FOR THE PAGE LAYOUT USE ONLY.

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