Panasonic CQ-C7300W Service Manual
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Panasonic CQ-C7300W Service Manual

Panasonic CQ-C7300W Service Manual

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Removable Full Front MP3 WMA CD Player / Receiver with CD
SPECIFICATIONS
General
Power Supply
Tone Controls
Current Consumption
Maximum Power Output
Power Output
Speaker Impedance
Pre-out
Subwoofer-out
External Input Impedance 10k
External Input Sensitivity 200mVrms (AUX IN)
FM Stereo Radio
Frequency Range
Usable Sensitivity
Stereo Separation
ORDER NO. ACED040344C3
AUTOMOTIVE AFTERMARKET
Specifications*
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)
50W×4 (at 4
)
22W×4 (DIN45 324, at 4
4-8
5V / 60
5V / 60
(AUX IN)
87.5MHz - 108MHz
6dB/
V (S/N 30dB)
35dB (1kHz)
1
CQ-C7300W
Changer Control
)

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  • Page 1 ORDER NO. ACED040344C3 AUTOMOTIVE AFTERMARKET CQ-C7300W Removable Full Front MP3 WMA CD Player / Receiver with CD Changer Control SPECIFICATIONS Specifications* General Power Supply DC 12V (11V - 16V), Test Voltage 14.4V Negative Ground Tone Controls Bass ; ±12dB at 60Hz Treble ;...
  • Page 2 28dB/ V (S/N 20dB) CD Player Sampling Frequency 8 times Oversampling DA Converter MASH 1bit/4 DAC System Errer Correction System Panasonic Super Decoding Algorithm Pick-Up Type Astigma 3-beam Light Source Semiconductor Laser Wave Length 780nm Frequency Response 5Hz - 20kHz (±1dB)

  • Page 3: About Lead Free Solder (Pbf)

    1. ABOUT LEAD FREE SOLDER (PbF) Distinction of PbF PCB: PCBs (manufactured) using lead free solder will have a PbF stamp on the PCB. Caution : - Pb free solder has a higher melting point than standard solder; Typically the melting point is 50 - 70°F (30 - 40°C) higher. Please use a soldering iron with temperature control and adjust it to 700 ±...

  • Page 4: Replacing The Fuse

    - 18-FM, 6-AM presets with preset scan. - CD Changer Control - Removable face plate. - MP3/WMA Playback - 7-band preset equalizer - Display color setting 4. REPLACING THE FUSE Use fuses of the same specified rating (15amps). Using different substitutes or fuses with higher ratings, or connecting the product directly without a fuse, could cause fire or damage to the stereo unit.
  • Page 5 9. DISASSEMBLY INSTRUCTIONS...

  • Page 6: Terminals Description

    10. TERMINALS DESCRIPTION 10.1. Main Block IC601 : YESAM259...
  • Page 7 Port Description Volt (V) FM AM CD 1 PANEL PANEL OPEN I 5.2 5.2 5.2 OPEN detection 2 PANEL PANEL CLOSE CLOSE detection 3 NC No Connection 4 BATT BATT detection I 5.1 5.1 5.1 5 ACC ACC detection I 5.1 5 5.1 6 SDA Electronic VOL data I/O 5...
  • Page 8 Port Description Volt (V) FM AM CD 32 Avdd Power supply of D/A I 5.1 5.1 5.1 converter 33 AVREF Reference voltage for I 5.1 5.1 5.1 D/A converter 34 AVGND Reference GND for D/ A converter 35 AVSS GND for A/D and D/A converter 36 SD FM/AM signal strength...
  • Page 9 Port Description Volt (V) FM AM CD 54 V CNT1 Panel driving voltage control 1 55 V CNT2 No Connection (NC) 56 SA CLK Spectrum analizer 5 4.9 4.9 clock 57 EXT TEL/NAVI MUTE input I 5.4 5.4 5.4 MUTE 58 AMP External AMP control CONT...
  • Page 10 82 Vdd Power supply I 5.1 5.1 5.1 Port Description Volt (V) FM AM CD 83 P00 Pldaun port for writing I 84 P01 Pull-up port for writing I 5.1 5.1 5.1 85 OFFSET PWR-IC offset detection 86 STBY PWR-IC STBY control O 5.1 5.1 5.1 output 87 AMP...
  • Page 11 Port Description I/O (V) (NC) 2-4 P2-4 LED drive control 5-59 S5-59 LCD segment data (NC) COM4-1 LCD common KS1-6 Key strobe Kl1-5 Key data 89 VDD +5V power supply 90 VLCD0 VLCD0 filter terminal 91 VLCD1 VLCD1 filter terminal 92 VLCD2 VLCD2 filter terminal 93 VSS...
  • Page 12 Port Descriptions I/O (V) CVSS1 GND CVSS2 GND DVSS1 I/O system (3.3V) power supply Address bus of FLASH Address bus of FLASH 10 A14 11 A15 12 /CVDD1 CORE CPU system (1.6V) power supply 14 DVSS1 GND 15 CVSS3 GND 16 /CVDD2 I/O system (3.3V) power supply 20 nPS...
  • Page 13 Port Descriptions I/O (V) 37 CVSS5 GND 40 DVSS2 GND 41 CLK C AUDIO bit clock input 42 SCK Clock input 43 LRCK AUDIO L/R identifying signal input 44 CDFS Serial frame sink signal input 45 DATA AUDIO serial data input 47 SI Serial data input 48 CLK M...
  • Page 14 Port Descriptions I/O (V) 69 SW1 Mechanics deck SW1 input 70 CVSS7 GND 71 MCLK Clock output (to Servo DSP) 72 DVSS4 GND 73 MLD Command load signal output (to Servo DSP) 74 MDATA Command data output (to Servo DSP) 75 DVDD4 I/O system (3.3V) power supply 76 DVSS5 GND...
  • Page 15 Port Descriptions I/O (V) 105 A16 Address bus of FLASH 106 DVSS7 GND 107 A17 Address bus of FLASH 108 A18 109 A19 110 A20 111 CVSS9 GND 112 DVDD5 I/O system (3.3V) power supply 113 D6 Data bus of FLASH ROM 114 D7 115 D8 116 D9...

  • Page 16: Package And Ic Block Diagram

    Port Descriptions I/O (V) 142 CVDD7 CORE CPU system (1.6V) power supply 144 DVSS9 GND 11. PACKAGE AND IC BLOCK DIAGRAM 11.1. Main Block PA51 : YESAP263 IC201 : C1BB00000796...
  • Page 17 IC241 : C1BB00000650...
  • Page 18 IC251 : C1BB00000649 IC271 : C1EA00000021 IC401 : YESAM194...
  • Page 19 IC670 : YESAM183 IC650 : YESAM228 IC702 : AN8065SE1 IC730, 750 : BA00AST...
  • Page 20 IC752 : YESAM227 IC760 : C0GBG0000032 11.2. Display Block IC905 : B3MBZ0000006...
  • Page 21 11.3. CD Servo Block IC201 : MN6627482WB...
  • Page 22 IC202 : YESAM163...
  • Page 23 IC409 : YESAM167 IC411 : YESAM178 IC406 : YESAM171...

  • Page 24: Replacement Parts List

    IC203 : YESAM166 12. REPLACEMENT 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 25 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. The retention period of availability is dependent on the type of assembly, and in accordance with the laws governing part and product retention.
  • Page 26 Ref. No. Part No. Part Name & Description Remarks Q650 YEANC114YKX Transistor Q680 B1GDCFLL0010 Transistor Q701 YESAN060 Transistor Q702 YESAN060 Transistor Q703 B1BCCF000017 Transistor Q704 B1GDJCEJ0001 Transistor Q705 YEANC4480AN Transistor Q706 2SD2139TA Transistor Q730 B1GBCFNN0004 Transistor Q731 B1GBCFNN0004 Transistor Q760 B1GBCFNN0004 Transistor Q790...
  • Page 27 Ref. No. Part No. Part Name & Description Remarks CAPACITORs YECUS1H470JC Ceramic, 47pF 50WV YESCC313 Electrolytic, 220 F 10WV YESCC234 Ceramic, 0.01 F 50WV YESCC342 Electrolytic, 1 F 25WV YESCC231 Ceramic, 0.022 F 25WV YESCC231 Ceramic, 0.022 F 25WV YESCC233 Ceramic, 0.001 F 50WV C202...
  • Page 28 Ref. No. Part No. Part Name & Description Remarks C317 YESCC230 Ceramic, 0.33 F 16WV C318 YESCC191 Ceramic, 2.2 C320 YESCC336 Electrolytic, 2.2 F 50WV C321 YESCC191 Ceramic, 2.2 C323 YESCC333 Electrolytic, 10 F 16WV C324 YESCC191 Ceramic, 2.2 C325 YESCC336 Electrolytic, 2.2 F 50WV...
  • Page 29 Ref. No. Part No. Part Name & Description Remarks C605 YECUS1H104KX Ceramic, 0.1 F 50WV C606 YESCC324 Ceramic, 18pF 50WV C607 YESCC324 Ceramic, 18pF 50WV C608 YECUS1H104KX Ceramic, 0.1 F 50WV C609 YESCC269 Ceramic, 10 F 6.3WV C610 YECUS1H104KX Ceramic, 0.1 F 50WV C630 YESCC315...
  • Page 30 Ref. No. Part No. Part Name & Description Remarks C762 YESCC335 Electrolytic, 47 F 16WV C763 YECUS1E104ZF Ceramic, 0.1 F 50WV C764 YESCC329 Ceramic, 0.22 F 25WV C765 YESCC329 Ceramic, 0.22 F 25WV C766 YESCC329 Ceramic, 0.22 F 25WV C772 YESCC340 Electrolytic, 47 F 6.3WV...
  • Page 31 Ref. No. Part No. Part Name & Description Remarks R215 YESRG117 Chip, 39k 1/8W R216 YESRG113 Chip, 27k 1/8W R217 YESRG121 Chip, 4.7 1/8W R220 YESRG167 Chip, 39k 1/10W R221 YESRG166 Chip, 27k 1/10W R244 YESRG167 Chip, 39k 1/10W R245 YESRG166 Chip, 27k 1/10W...
  • Page 32 Ref. No. Part No. Part Name & Description Remarks R362 YESRG105 Chip, 18k 1/8W R363 YESRG125 Chip, 5.6k 1/8W R365 YESRG160 Chip, 10k 1/10W R366 YESRG162 Chip, 1.5k 1/10W R367 YESRG169 Chip, 4.7k 1/10W R373 YESRG170 Chip, 47k 1/10W R375 YESRG159 Chip, 1k 1/10W...
  • Page 33 Ref. No. Part No. Part Name & Description Remarks R634 YESRG124 Chip, 560 1/8W R635 YESRG093 Chip, 0 1/8W R636 YESRG134 Chip, 1k 1/4W R637 YESRG095 Chip, 1k 1/8W R638 YESRG159 Chip, 1k 1/10W R639 YESRG159 Chip, 1k 1/10W R640 YESRG124 Chip, 560 1/8W...
  • Page 34 Ref. No. Part No. Part Name & Description Remarks R721 YESRG189 Chip, 100 1/4W R730 YESRG175 Chip, 68k 1/8W R731 YESRG174 Chip, 220k 1/8W R732 YESRG058 Chip, 18k 1/8W R733 YESRG172 Chip, 130k 1/8W R734 YESRG173 Chip, 2.2k 1/8W R750 YESRG090 Chip, 10k 1/8W...
  • Page 35 Ref. No. Part No. Part Name & Description Remarks POSISTORs PT701 YERT7AR4R7MT Posistor SERGE PROTECTOR YESRTD008 Serge Protector Display Block [7205-05-01] IC's and TRANSISTORs IC901 YESAM168 IC905 B3MBZ0000006 Q921 YESAN061 Transistor Q922 YESAN061 Transistor Q942-944 B1ABCF000044 Transistor DIODEs D915-917 YESAD115 Zener Diode D920-929 YESAD115...
  • Page 36 Ref. No. Part No. Part Name & Description Remarks R914 YESRG093 Chip, 0 1/8W R921 YESRG128 Chip, 680 1/8W R922 YESRG119 Chip, 4.7k 1/8W R923 YESRG119 Chip, 4.7k 1/8W R938 YESRG121 Chip, 4.7 1/8W R940 YESRG122 Chip, 510 1/8W R941 YESRG096 Chip, 10k 1/8W...
  • Page 37 Ref. No. Part No. Part Name & Description Remarks YESAJ01223 Power Connector YESFX018006 Mounting collar YESFC05022 Trim Plate YESFZ257 Screw Kit (Lock Cancel Plate, Bolt, Screw, Nut) YESFX021127 Rear Support Strap YEFA131839 Removable Face Plate Case YESFZ259 Remote Control Unit CR2025/1F Lithium Battery MECHANICAL PARTS...

  • Page 38: Exploded View (Unit)

    YESFX001031 Transparent Chip, LED UP Ref. No. Part No. Part Name & Description Remarks YESFX001032 Transparent Chip, LED DWN YESFE13189 Button (COLOR) YESFE13191 Button (UP) YESFE13193 Button (DOWN) YESFV02007 Shading Sheet (SQ) YESFV02012 Shading Sheet(MENU) YESFV02008 Shading Sheet (T DWN) YESFV02009 Shading Sheet (VOL) YESFX999062...

  • Page 39: Cd Player Parts List

    14. 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...
  • Page 40 these components, use only manufacturer's specified parts. 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.
  • Page 41 Ref. No. Part No. Part Name & Description Remarks C106 YESCC207 Ceramic, 0.001 F 50WV C107 YESCC206 Ceramic, 0.047 F 25WV C108 YESCC204 Ceramic, 330pF 50WV C109 YESCC187 Ceramic, 0.1 F 25WV C110 YESCC187 Ceramic, 0.1 F 25WV C111 YESCC299 Ceramic, 0.022 F 50WV C112...
  • Page 42 Ref. No. Part No. Part Name & Description Remarks C251 YESCC215 Electrolytic, 220 F 10WV C252 YESCC214 Electrolytic, 47 F 6.3WV C253 YESCC215 Electrolytic, 220 F 10WV C301 YESCC207 Ceramic, 0.001 F 50WV C302 YESCC207 Ceramic, 0.001 F 50WV C311 YESCC207 Ceramic, 0.001 F 50WV...
  • Page 43 Ref. No. Part No. Part Name & Description Remarks RESISTORs L302 ERJ6GEY0R00V Chip, 0 1/8W L303 ERJ6GEY0R00V Chip, 0 1/8W L304 ERJ6GEY0R00V Chip, 0 1/8W L305 ERJ6GEY0R00V Chip, 0 1/8W J501 ERJ6GEY0R00V Chip, 0 1/8W J502 ERJ6GEY0R00V Chip, 0 1/8W JP101 ERJ8GEY0R00V Chip, 0 1/4W...
  • Page 44 Ref. No. Part No. Part Name & Description Remarks R142 YESRG021 Chip, 1k 1/10W R143 YESRG071 Chip, 2M 1/10W R201 YESRG082 Chip, 6.8k 1/10W R202 ERJ3GEY0R00V Chip, 0 1/10W R204 YESRG021 Chip, 1k 1/10W R205 ERJ3GEY0R00V Chip, 0 1/10W R206 YESRG070 Chip, 18k 1/10W...
  • Page 45 Ref. No. Part No. Part Name & Description Remarks R434 YESRG029 Chip, 100k 1/10W R435 YESRG024 Chip, 4.7k 1/10W R478 YESRG079 Chip, 56 1/10W R480 YESRG079 Chip, 56 1/10W R481 YESRG024 Chip, 4.7k 1/10W R482 YESRG022 Chip, 2.2k 1/10W R483 YESRG022 Chip, 2.2k 1/10W...
  • Page 46 Ref. No. Part No. Part Name & Description Remarks YERFS04004 Damper R YESFX046138 Chassis Rivet Ass'y YERFX046001 Change Plate Rivet Ass'y YERFX007001 Clamper Ass'y YESAK01041 Spindle Motor Ass'y YERFX046002 Clamper Arm YERFX005001 Change Gear Spring YERFX03001 Change Gear 2 YERFX03002 Feed Gear YERFX03003 Feed Rack...

  • Page 47: Exploded View (Cd Deck)

    Ref. No. Part No. Part Name & Description Remarks YERFX03011 Loading Gear 6 YERFX03012 Loading Gear 7 YERFW04004 Roller Guide YERFX005007 Roller Guide Spring YERFX046015 Disc Stopper Arm YERFX005008 Disc Stop Arm Spring YERFX046016 LD Gear Bracket YESFX046174 L Slide Plate YERFX005009 Loading Plate Spring YESFX046150...

  • Page 48: Wiring Diagram

    16. WIRING DIAGRAM 16.1. Display Block 16.2. Main Block (Top View) 16.3. Main Block (Bottom View) 16.4. CD Servo Block (Top View)

  • Page 49: Schematic Diagram

    16.5. CD Servo Block (Bottom View) 17. SCHEMATIC DIAGRAM 17.1. Main Block 17.2. Display Block...

  • Page 50: Block Diagram

    17.3. CD Servo Block -1 17.4. CD Servo Block -2 18. BLOCK DIAGRAM 18.1. Main/Display Block 18.2. CD Servo Block 19. SCHEMATIC DIAGRAM for Printing with A4 Size 19.1. Main Block (Left Side) 19.2. Main Block (Right Side) 19.3. Display Block (Left Side) 19.4.
  • Page 51 CQ-C7300W 17.2. Display Block 7205-05-01 B3MBZ0000006 YESAD126 YESAD131 YESAD131 YESAD115 YESAD115 YESAD115 YESAD115 11.0 YESAN061 10.0 B1ABCF000044 11.0 YESAN061 B1ABC...
  • Page 52 1V/DIV,2mS/DIV 1V/DIV,2mS/DIV 1V/DIV,1mS/DIV IC901 YESAM246 2V/DIV,20uS/DIV 1V/DIV,1mS/DIV LCD901 YESXDCM016 YESAD131 The following symbols are 10.0 shown on the schematic diagram. F000044 B1ABCF000044 CQ-C7300W DISPLAY...
  • Page 53 17 SCHEMATIC DIAGRAM 17.1. Main Block 7205-02-11A YESAP263 C0GBG0000032 YEANFP1F3PT1 B1GBCFNN0004 0.015 YEAN2SK536TB 10.1 10.1 C1BB YESAM227 YESAM235 YESAM228 The following symbols are shown on the schematic diagram. 3.3V 3.3V RADIO (L,R) YEANC114YKX CD (L,R) AUDIO (L,R) IC601 FM AM CD FM AM CD FM AM CD FM AM CD...
  • Page 54 BA00AST BA00AST YEANHQ1F3PT1 13.1 13.1 YEANC114YKX YEANHQ1F3PT1 2V/DIV,10ms/DIV 10.1 10.1 13.1 13.1 B1GBCFNN0004 YEANC114YKX R611 YEADRB051L40 YEANC4480AN R609 12.1 2SD2139TA B1BCCF000017 13.1 13.1 R721 R720 12.8 12.5 YESAD132 2V/DIV,20mS/DIV B1GDJCEJ0001 MA721TX 12.7 MA721TX YESAN060 YESAN060 12.7 MA721TX YEADRD56M3T1 CQ-C7300W MAIN...
  • Page 55 C126 C129 C128 L301 shown on the schematic diagram. 0.22u 0.1u 100u CLK_C_M <=> BCLK LRCK_C_M <=> LRCK DATA_C_M <=> SRDATA 3.3V 3.3V 3.3V 3.3V AUDIO(L,R) R501 R501 R503 10k Q502 PH501 Q501 R504 3.3k CDM-006(1/2) CQ-C7300W CD Servo Block(1/2)
  • Page 56 DVDD4 BDR1 BDX1 2V/DIV,5mS/DIV BFSR1 BFSX1 CLK_M_C <=> SSEL LRCK_M_C <=> MSEL DATA_M_C <=> PSEL CLK_C_M <=> BCLK LRCK_C_M <=> LRCK DATA_C_M <=> SRDATA CDFS REST SW C406 0.1u C407 0.1u C405 0.1u RA414 RA412 CDM-006(2/2) CQ-C7300W CD Servo (2/2)
  • Page 57 7205-05-01 B3MBZ0000006 1V/DIV,2mS/DIV 1V/DIV,2mS/DIV 1V/DIV,1mS/DIV IC901 YESAM246 2V/DIV,20uS/DIV YESAD126 1V/DIV,1mS/DIV LCD901 YESXDCM016 YESAD131 YESAD131 YESAD115 YESAD115 YESAD115 YESAD115 11.0 YESAN061 The following symbols are 10.0 shown on the schematic diagram. B1ABCF000044 11.0 YESAN061 B1ABCF000044 CQ-C7300W DISPLAY...
  • Page 58 13.1 13.1 B1GBCFNN0004 IC601 2V/DIV,0.2µs/DIV YESAM259 YEANC114YKX R611 YEADRB051L40 YEANC4480AN R609 12.1 2SD2139TA B1BCCF000017 13.1 13.1 R721 R720 12.8 2V/DIV,10ms/DIV 12.5 YESAD132 2V/DIV,20mS/DIV 2V/DIV,10ms/DIV B1GDJCEJ0001 MA152WATX 2V/DIV,10ms/DIV MA721TX 12.7 MA721TX YESAN060 YESAN060 12.7 MA721TX B1GBCFNN0004 YEADRD56M3T1 7205-05-01 CN901 CQ-C7300W MAIN...
  • Page 64 SUB.W FRONT REAR CN302 7205-02-11A CN251 CN351 CN253 IC201 AUDIO SIGNAL PROCESSOR REAR PA51 AUX L FM/AM TUNER CDC L Q262,263, Q266,267 ANT51 IC251 FM L IC271 MAIN Q362,363 LOUDNESS LINE AMP POWER AMP Q366,367 CD L VOLUME GAIN CN701 R-CH Q346,347 EQLIZER...
  • Page 65 SPINDLE DRIVE MOTOR MUTE REO2 DSP3.3V +3.3V Q301 RESET RESET IC402 FLASH MEMORY ADDRESS FLASH BUFFER A0–A18 MEMORY DECODE LATCH D0–D15 BUFFER LATCH DECODE FLASH MSTRB LOGIC CONTROL IC406 CDM-006 CQ-C7300W CD Deck Printed in Japan 2004.3 (K) (Recycled Paper)
  • Page 66 17.3. CD Servo Block -1 3032-14-05 R202 R201 6.8k TP149 TP150 R204 R205 0 R206 TP155 YESAM166 CH1 Spindle Motor CH2 Feed Motor CH3 Loading Motor (Not use) CH4 Focus Coil CH5 Tracking Coil SL(-) C207 SL(+) 0.1u C205 REST SW C253 TP157 220uF/10V...
  • Page 67 LRCK_M_C <=> MSEL The following symbols are DATA_M_C <=> PSEL C126 C129 C128 L301 shown on the schematic diagram. 0.1u 0.22u 100u CLK_C_M <=> BCLK LRCK_C_M <=> LRCK DATA_C_M <=> SRDATA 3.3V 3.3V 3.3V AUDIO(L,R) CDM-006(1/2) CQ-C7300W CD Servo Block(1/2)
  • Page 68 CQ-C7300W 17.4. CD Servo Block -2 3032-14-05 TP415 3.3V(RAM) L401 VDD3.3V C437 C418 0.1u System => MP3 DSP C452 C414 10uF/16V 0.1u CDFS CDFS R480 MUTE MUTE RESET FLASH L402 R478 R483 2.2k C464 R482 2.2k 47uF/6.3V REST SW REST SW...
  • Page 69 FLASH C426 0.1u IC409 YESAM167 X401 YESXL018 R431 4.7k C436 0.1u R432 TP402 TP403 TP404 TRST TP405 TP406 TP407 TP408 EMU0 TP409 TP410 VDD3.3V R408 R409 R481 4.7k 4.7k 4.7k CDM-006(2/2) CQ-C7300W CD Servo (2/2)

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