Panasonic CQ-C7401W Page 44 Service Manual Download | Manualshive

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19.2. Main-2/Display Block

CQ-C8401W / CQ-C7401W

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Summary of Contents for CQ-C7401W

Page 1: ...cy Response 20Hz 20kHz 1dB 2005 Matsushita Electric Industrial Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law CQ C8401W CQ C7401W WMA MP3 CD Player Receiver with Full Dot Matrix Display Signal to Noise Ratio 96dB Total Harmonic Distortion 0 01 1kHz Wow and Flutter Below Measurable Limits Channel Separation 75dB FM Stereo Radio Frequency Range 87 5MHz 108MHz ...

Page 2: ... CONNECTION 4 9 BLOCK DIAGRAM 6 10 DISASSEMBLY INSTRUCTIONS 10 11 TERMINALS DESCRIPTION 13 12 IC BLOCK DIAGRAM 17 13 REPLACEMENT PARTS LIST 21 14 EXPLODED VIEW Unit 27 15 CD PLAYER PARTS LIST 28 16 EXPLODED VIEW CD PLAYER 31 17 WIRING DIAGRAM 32 18 SCHEMATIC DIAGRAM 1 38 19 SCHEMATIC DIAGRAM 2 39 CONTENTS Page Page 2 CQ C8401W CQ C7401W ...

Page 3: ...t Modes FLAT ROCK POP VOCAL JAZZ CLUB SQ7 7 Bands Sound Quality DVD Changer Control Delightful sound space thanks to system buildup Differences Among 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 4 MAINTENANCE Your pro...

Page 4: ...8 WIRING CONNECTION 8 1 CQ C8401W 4 CQ C8401W CQ C7401W ...

Page 5: ...8 2 CQ C7401W 5 CQ C8401W CQ C7401W ...

Page 6: ...9 BLOCK DIAGRAM 9 1 Main 1 Block CQ C8401W 6 CQ C8401W CQ C7401W ...

Page 7: ...9 2 Main 1 Block CQ C7401W 7 CQ C8401W CQ C7401W ...

Page 8: ...9 3 Main 2 Display Block 8 CQ C8401W CQ C7401W ...

Page 9: ...9 4 CD Servo Block 9 CQ C8401W CQ C7401W ...

Page 10: ...10 DISASSEMBLY INSTRUCTIONS 10 1 How to Remove the Flexible PCB AP2 10 CQ C8401W CQ C7401W ...

Page 11: ...10 2 How to Install the Main P C B of the Electric Display 11 CQ C8401W CQ C7401W ...

Page 12: ...12 CQ C8401W CQ C7401W ...

Page 13: ... SW2 CD disc in detection I 47 MOD0 Operating mode input 0 I 5 1 5 1 5 1 48 MOD1 Operating mode input 1 I 5 1 5 1 5 1 49 MOD2 Operating mode input 2 I 0 0 0 Pin No Port Description I O V FM AM CD 50 H STANDBY External standby input I 5 5 5 51 DC DC CNT DC DC control for 60W CQ C8401W O 0 0 0 NC No Connection CQ C7401W 52 FP MOTOR1 Front open close control 1 O 4 9 5 4 9 53 FP MOTOR2 Front open clos...

Page 14: ...P SI MAIN u com communication data output and external flash rewritting O 1 8 27 UP CLK External flash rewritting switch I 3 5 28 NC No Connection 29 FLASH RESET FLASH reset control output O 3 5 30 KS1 Key scan signal 1 output I 0 31 NC No Connection 32 NC No Connection 33 AVCC Positive power supply for A D converter 3 5 34 AVRH A D converter standard voltage input 3 5 35 AVSS AVRL A D converter g...

Page 15: ... D11 FLASH D11 I O 0 8 95 D12 FLASH D12 I O 0 8 96 D13 FLASH D13 I O 0 7 97 D14 FLASH D14 I O 0 7 98 D15 FLASH D15 I O 0 7 99 A16 FLASH A15 O 3 0 100 A17 FLASH A16 O 1 7 11 3 CD Servo Block IC401 YESAM275 Pin No Port Descriptions I O V 1 CVSS1 GND 0 2 A22 TP407 0 3 CVSS2 GND 0 4 DVDD1 I O system 3 3V power supply 3 1 5 A10 Address bus of FLASH ROM O 3 1 6 7 A11 Address bus of FLASH ROM O 0 8 A12 O...

Page 16: ... 0 7 97 X2 CLKIN Crystal Connection I 1 0 98 RS Reset signal input I 3 1 99 D0 Data base of FLASH ROM I O 0 100 D1 I O 0 101 D2 I O 0 102 D3 I O 0 103 D4 I O 0 104 D5 I O 0 105 A16 Address bus of FLASH ROM O 3 1 106 DVSS7 GND 0 107 A17 Address bus of FLASH ROM O 3 1 108 A18 Address bus of FLASH ROM O 0 109 A19 TP419 O 0 110 A20 TP416 O 0 111 CVSS9 GND 0 112 DVDD5 I O system 3 3V power supply 3 1 1...

Page 17: ...12 1 Main Block IC201 C1BB00000796 IC670 YEAMC14584BE IC241 C1BB00000650 IC251 C1BB00000649 12 IC BLOCK DIAGRAM 17 CQ C8401W CQ C7401W ...

Page 18: ...IC271 C1EA00000043 IC730 C0DAEKG00002 IC701 C0DAZHF00004 IC702 AN8065SE1 IC401 C1BB00000644 18 CQ C8401W CQ C7401W ...

Page 19: ...IC752 C0CAABG00012 IC755 C0DBZGD00040 IC760 C0GBG0000032 12 2 Display Block IC901 MBM29V13UW IC902 C0EBF0000374 IC903 B3MBZ0000006 19 CQ C8401W CQ C7401W ...

Page 20: ...IC403 YESAM171 IC405 YESAM270 IC404 YESAM178 12 3 CD Servo Block IC402 YESAM280 20 CQ C8401W CQ C7401W ...

Page 21: ...DCFJJ0002 Transistor Q701 2SD2139TA Transistor Ref No Part No Part Name Description Remarks Q730 B1GBCFNN0004 Transistor Q731 B1GBCFNN0004 Transistor Q760 B1GBCFNN0004 Transistor Q790 YEANHQ1F3PT1 Transistor Q791 YEANHQ1F3PT1 Transistor Q792 YEANC114YKX Transistor Q793 YEANC114YKX Transistor DIODEs D201 B0JCME000012 Diode D202 B0JCME000012 Diode D203 B0JCME000012 Diode D204 B0JCME000012 Diode D301...

Page 22: ...Z1H103KX Ceramic 0 01µF 50WV C680 F2A1H2R2A634 Electrolytic 2 2µF 50WV C701 F1H1A154A007 Ceramic 0 15µF 10WV C702 F2A1C1020069 Electrolytic 1000µF 16WV C704 F2A0J470A558 Electrolytic 47µF 6 3WV C705 YECUZ1H103KX Ceramic 0 01µF 50WV C706 YECUZ1C104KX Ceramic 0 1µF 16WV C707 F2A1C1020069 Electrolytic 1000µF 16WV C708 ECEA1HKS010 Electrolytic 1µF 50WV C713 YECUS1C474KX Ceramic 0 47µF 16WV Ref No Part...

Page 23: ...R348 ERJ3GEYJ4R7V Chip 4 7Ω 1 16W Ref No Part No Part Name Description Remarks R352 ERJ8GEYJ393V Chip 39kΩ 1 8W R353 ERJ3GEYJ273 Chip 27kΩ 1 16W R354 ERJ6GEYJ393 Chip 39kΩ 1 10W R355 ERJ3GEYJ273 Chip 27kΩ 1 16W R361 ERJ6GEYJ560 Chip 56Ω 1 10W R362 ERJ3GEYJ103V Chip 10kΩ 1 16W R363 ERJ6GEYJ561 Chip 560Ω 1 10W R365 ERJ6GEYJ560 Chip 56Ω 1 10W R366 ERJ3GEYJ103V Chip 10kΩ 1 16W R367 ERJ6GEYJ561 Chip 56...

Page 24: ...1C150K00011 Coil L52 G1CR56JA0036 Coil L53 G1C101JA0036 Coil L401 G1C101JA0036 Coil L601 G1C330JA0036 Coil L602 G1C101JA0036 Coil L603 G1C330JA0036 Coil L630 ELEAR330KA Choke Coil L701 YELTBL01R1AT Coil L702 G0A151J00006 Coil SWITCHes SW601 K0L1BA000099 Switch SW602 K0L1BA000104 Switch CRYSTALs XL401 H0D720400006 Crystal Oscillator Ref No Part No Part Name Description Remarks XL601 H0J419400009 Cr...

Page 25: ... Chip 10kΩ 1 16W R906 ERJ3GEYJ221V Chip 220Ω 1 16W R907 ERJ3GEYJ221V Chip 220Ω 1 16W R908 ERJ3GEYJ102V Chip 1kΩ 1 16W R909 ERJ3GEYJ221V Chip 220Ω 1 16W R910 ERJ3GEYJ103V Chip 10kΩ 1 16W R911 ERJ3GEYJ222V Chip 2 2kΩ 1 16W R912 ERJ3GEYJ222V Chip 2 2kΩ 1 16W Ref No Part No Part Name Description Remarks R913 ERJ3GEYJ222V Chip 2 2kΩ 1 16W R914 ERJ3GEYJ222V Chip 2 2kΩ 1 16W R916 ERJ3GEYJ184V Chip 180kΩ ...

Page 26: ...20 YEFE139458 Button SRC PWR 21 YEFE139463 Button SQ 22 YEFE139466 Button DEM 23 YEFE139461 Button MUTE SBC SW 24 YEFE139469 Button MENU DIM 25 YEFE139479 Button TILT OPEN eject 26 YEFX0053029 Spring 27 YEFE139485 Button Relase Ref No Part No Part Name Description Remarks 28 YEFE139472 Button DISP 29 YEFE139476 Button Pause Play BAND SET APM 30 YEFE139482 Button P SET DISC TUNE TRACK 31 YEFE139568...

Page 27: ...14 EXPLODED VIEW Unit 27 CQ C8401W CQ C7401W ...

Page 28: ...ectrolytic 220µF 10WV C253 YESCC389 Electrolytic 470µF 6 3WV C301 YESCC203 Ceramic 220pF 50WV Ref No Part No Part Name Description Remarks C303 YESCC185 Ceramic 0 01µF 50WV C304 YESCC185 Ceramic 0 01µF 50WV C305 YESCC382 Ceramic 680pF 50WV C306 YESCC382 Ceramic 680pF 50WV C307 YESCC187 Ceramic 0 1µF 25WV C351 YESCC381 Ceramic 10µF 6 3WV C352 YESCC381 Ceramic 10µF 6 3WV C353 YESCC391 Electrolytic 1...

Page 29: ...cription Remarks RA403 YESXA002 Resistor Network 100Ω 4 RA404 YESXA002 Resistor Network 100Ω 4 RA405 412 YESXA003 Resistor Network 56Ω 4 MECHANICAL PARTS MISCELLANEOUS 1 YESFX046136 Frame 2 YESFX046137 Top Cover 3 YERFS04003 Damper F 4 YERFS04004 Damper R 11 YESFX046138 Chassis Rivet Ass y 12 YERFX046001 Change Plate Rivet Ass y 13 YERFX007001 Clamper Ass y 14 YESAK01041 Spindle Motor Ass y 15 YER...

Page 30: ...2 4 113 YEJT03117 Tapping Bind Screw 2 4 114 YERJS01002 Camera Screw 1 7 1 8 115 YERJS01003 Camera Screw 2 2 116 YERJS01004 Camera Tapping Screw 1 7 5 118 YESJS01148 Screw 2 4 121 YERJW01001 P Washer 3 5 8 0 3 122 YERJW01002 HL Washer 3 5 8 0 3 123 YERJW01003 Lumilar Washer 3 1 6 0 1 124 YEJE01028 E Ring S 1 5 125 YERJW01005 P Washer 2 1 4 0 3 30 CQ C8401W CQ C7401W ...

Page 31: ...16 EXPLODED VIEW CD PLAYER 31 CQ C8401W CQ C7401W ...

Page 32: ...17 WIRING DIAGRAM 17 1 Main Connector Block Top View 32 CQ C8401W CQ C7401W ...

Page 33: ...17 2 Main Connector Block Bottom View 33 CQ C8401W CQ C7401W ...

Page 34: ...17 3 Display Block 34 CQ C8401W CQ C7401W ...

Page 35: ...17 4 DC DC Block CQ C8401W 35 CQ C8401W CQ C7401W ...

Page 36: ...17 5 CD Servo Block Top View 36 CQ C8401W CQ C7401W ...

Page 37: ...17 6 CD Servo Block Bottom View 37 CQ C8401W CQ C7401W ...

Page 38: ...18 SCHEMATIC DIAGRAM 1 18 1 DC DC Block CQ C8401W 38 CQ C8401W CQ C7401W ...

Page 39: ...19 SCHEMATIC DIAGRAM 2 19 1 Main 1 Block CQ C8401W CQ C7401W 39 ...

Page 40: ...19 2 Main 2 Display Block MBM29V13UW CQ C8401W CQ C7401W 40 ...

Page 41: ...SCK CD SO CD MUTE CD SI CD ON GND A Lch Rch R211 47k R210 27k C253 470uF 6 3V TP303 RCH TP302 LCH DATA_C_M LRCK_C_M CLK_C_M DATA_M_ C LRCK_M_ C CLK_M_C SCK SO MUTE SI CDFS MCLK MDATA MLD RESET RST STAT BLKCK C251 220uF 10V C206 0 1u 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 CN101 TP103 GND TRV TP106 DSP 3 3V TP401 SYS 3 3V R421 2 2k R408 2 2k TP301 GND PD LD F T T GND LPD Vref B VCC GND F A E G...

Page 42: ...19 SCHEMATIC DIAGRAM 2 19 1 Main 1 Block 39 ...

Page 43: ...CQ C8401W CQ C7401W 39 ...

Page 44: ...19 2 Main 2 Display Block CQ C8401W CQ C7401W 40 ...

Page 45: ...MBM29V13UW 40 ...

Page 46: ...19 FE IN 20 RF IN 40 CA GC 41 AR F 42 AV SS2 43 ARF IN 44 DSLF 45 IREF 46 PLLF 47 PLLFO 48 AV DD2 49 OUTL 50 AV SS1 51 AV R EF 52 AV DD1 53 OUTR 54 DV SS2 55 DV DD2 56 CSEL 57 TSMODE 58 IOMODE 59 NTEST 60 TX 61 FLAG 62 MCLK 63 MDATA 64 MLD 65 STAT 66 BLKCK 67 NRST 68 DVSS3 69 X2 70 X1 71 DVDD2 72 DQSY 73 TXTD 74 TXTCK 75 GIO0 76 GIO1 77 GIO2 78 GOUT0 79 GOUT1 80 IC101 YESAM272 L101 L102 0 C102 0 0...

Page 47: ...100k X401 R405 4 7k C419 0 1u C417 0 1u C410 1u TP408 TMS TP409 TCK TP411 TDI TP410 TRST TP412 TDO TP413 EMU TP414 EMU0 TP404 VDD3 3V TP405 GND A10 2 1 4 6 8 3 5 7 RA401 56 2 1 4 6 8 3 5 7 RA403 100 2 1 4 6 8 3 5 7 RA402 56 2 1 4 6 8 3 5 7 RA405 56 2 1 4 6 8 3 5 7 RA406 56 2 1 4 6 8 3 5 7 RA 407 56 2 1 4 6 8 3 5 7 RA 408 56 2 1 4 6 8 3 5 7 RA 409 56 2 1 4 6 8 3 5 7 RA 410 56 2 1 4 6 8 3 5 7 RA 411...

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