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JVC MX-C55J Service Manual
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JVC MX-C55J Service Manual

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Download this manual See also: Instruction Manual
SERVICE MANUAL
COMPACT COMPONENT SYSTEM
6
2006
MB508
MX-C55J,MX-C55C
SP-MXC55
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11
ECO
CA-MXC55

TABLE OF CONTENTS

COPYRIGHT © 2006 Victor Company of Japan, Limited
DISC SKIP
SP-MXC55
No.MB508
2006/6

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Summary of Contents for JVC MX-C55J

  • Page 1: Table Of Contents

    SERVICE MANUAL COMPACT COMPONENT SYSTEM MB508 2006 MX-C55J,MX-C55C DISC SKIP SP-MXC55 CA-MXC55 SP-MXC55 Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) TABLE OF CONTENTS PRECAUTION............... . . 1-3 SPECIFIC SERVICE INSTRUCTIONS .
  • Page 2 SPECIFICATION 170 W per channel, min. RMS, driven into 3 Ω at Amplifier section Output Power SUBWOOFERS CA-MXC55 63 Hz with no more than 10% total harmonic distor- tion MAIN SPEAKERS 80 W per channel, min. RMS, driven into 6 Ω at 1 kHz with no more than 10% total harmonic distor- tion Audio input sensitivity/Impedance...

  • Page 3: Precaution

    SECTION 1 PRECAUTION Safety Precautions (1) This design of this product contains special hardware and voltmeter. many circuits and components specially for safety purpos- Move the resistor connection to each exposed metal es. For continued protection, no changes should be made part, particularly any exposed metal part having a return to the original design unless authorized in writing by the path to the chassis, and measure the AC voltage across...
  • Page 4 Important for laser products 1.CLASS 1 LASER PRODUCT 5.CAUTION : If safety switches malfunction, the laser is able to function. 2.CAUTION : (For U.S.A.) Visible and/or invisible class II laser radiation 6.CAUTION : Use of controls, adjustments or performance of when open.

  • Page 5: Specific Service Instructions

    SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. (No.MB508)1-5...

  • Page 6: Disassembly

    SECTION 3 DISASSEMBLY Main body section 3.1.1 Removing the top cabinet (See Figs.1 and 2) (1) From the both sides of the main body, remove the six screws A attaching the top cabinet. (See Fig.1.) (2) From the back side of the main body, remove the three screws B attaching the top cabinet.
  • Page 7 3.1.3 Removing the main AMP board (See Figs.5 to 7) • Remove the top cabinet and CD deck assembly. CN108 (1) From the right side of the main body, remove the screw E attaching the main AMP board to the main body. (See SMCN101 Main AMP board Fig.5)
  • Page 8 3.1.6 Removing the front cabinet assembly (See Figs.9 to 11) • Remove the top cabinet and CD deck assembly. (1) From the top side of the main body, remove the screw N at- Front cabinet assembly taching the earth wire on the bottom cabinet. (See Fig.9.) (2) Disconnect the card wire from the connector CN101 on the...
  • Page 9 3.1.7 Removing the VFD board (See Figs.12 and 13) • Remove the top cabinet, CD deck assembly and front cabinet assembly. (1) From the front side of the front cabinet assembly, pull out the two knobs. (See Fig.12.) (2) From the inside of the front cabinet assembly, remove the seven screws Q attaching the VFD board.

  • Page 10: Adjustment

    3.1.9 Removing the USB board (See Fig.14) • Remove the top cabinet, CD deck assembly, front cabinet as- LED1 board LED2 board sembly, Knobs and VFD board. (1) From the inside of the front cabinet assembly, remove the three screws S attaching the USB board. (2) Take out the USB board from the front cabinet assembly.

  • Page 11: Troubleshooting

    SECTION 5 TROUBLESHOOTING Amplifier 5.1.1 Power Malfunction Front pcb SMPS pcb check the u-com Vdd SMIC42 input SMIC01,SMD43 normal? voltage normal? Check amp PCS wire CN107 Front pcb p- Front pcb dose Check the SMPS sense voltage UX101(10MHz) SMD44 normal?(#82) oscillate? Front pcb When the power on...
  • Page 12 5.1.3 USB Malfunction Front Jack pcb UIC03 pin#10 Check the USB cable voltage 5V normal? Front Jack Check the front pcb JIC01 pcb UIC03 pin #7 pin #4 voltage voltage more than Check the oscillator 2.5V? or normal? frequency 12MHz Front jack pcb JIC01 pin #14,15 Replace of JIC01...
  • Page 13 5.1.5 SMPS Check Standby LED P-SENSE Replace SMPS normal? (smCN02 pin 9) Check amp pcb Check Check 3V,5V,12V Set play is SMIC42,SMIC43 (SMCN02 pin Replace SMPS O.K.? SMIC44 input 3,4,5,6 SMCN01 (pin No.1) pin 9) Replace Check AIC01 SMIC42,43 or 44 at amp pcb Check SMNC01...
  • Page 14 Victor Company of Japan, Limited Audio/Video Systems Category 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.MB508) Printed in Japan...
  • Page 15 SCHEMATIC DIAGRAMS COMPACT COMPONENT SYSTEM MX-C55J,MX-C55C CD-ROM No.SML200606 DISC SKIP SP-MXC55 CA-MXC55 SP-MXC55 Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) Contents Block diagrams Standard schematic diagrams Printed circuit boards 2-11 to 17 No.MB508SCH...
  • Page 16 In regard with component parts appearing on the silk-screen printed side (parts side) of the PWB diagrams, the parts that are printed over with black such as the resistor ( ), diode ( ) and ICP ( ) or identified by the " " mark nearby are critical for safety.
  • Page 17 < M E M O >...

  • Page 18: Block Diagram

    Block diagram FM / AM F U N C T I O N CD / CD-R I N P U T 1 M U L AUX / GAME I N P U T 2 A / D R-CH[RED] PROC I N P U T 3 L- CH[WHITE] INPUT4 V-IN...
  • Page 19 POWER STAGE MAIN FRONT M AUDIO U LT I - OCESSOR POWER STAGE S-WOOFER SUBWOOFER POWER STAGE S-WOOFER AC I N P U T E C O P / T REG. IC SMPS P. SENS OWER ON...
  • Page 20 Standard schematic diagrams Amplifier section CN101 32P, ST ER02R +12V EE011 ER02L -V PP 220nF 50V ER112 PROTECT 820K AR101 P-ON/OFF RESET ER111 H/P_SENSE +5. 6V ER105 330K EQ_IN U. GND U.GND D. GND M. MUTE P-SENSE USB_SSPND 4. 7uF F I C 0 2 T_DO STA508...
  • Page 21 TR01L TR02L L_OUT GND_1 AQ102 TR02R TR01R KTA1273 R_OUT TE101 TUNED 47uF STEREO AR101 FMU-SM1-15PM FMU-SM1-25PM BASIC D77 [ H X - D 7 ] [ H X - D 7 7 ] GND_2 2P, ST VR101, 102 330 ohm 390 ohm CN108 NC_1...
  • Page 22 Front section DIODE MATRIX UD01 AREA FREQ. STEP SE FR323 AREA FREQ. STEP SE UD02 UD03 UX103 AREA FREQ. STEP SE 12MHz/12pF UD04 CLOCK SELECT PCB3 RDS OPTION UD05 UD06 ECO OPTION UIC03 PCM2704DBR UD07 CLOCK BACK-UP OPTI AM FREQUENCY STEP UD09 FW301 V-IN...
  • Page 23 V F D 1 MATRIX OPTION MX-C55 REA FREQ. STEP SELECT REA FREQ. STEP SELECT 63 62 61 60 59 58 57 56 55 54 53 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 UR128 REA FREQ.
  • Page 24 CD section C119 68nF C 11 8 R114 10uF R120 47K R119 27K C127 33nF CW101 1 6 P, S T KSA812 Q101 S P O R122 C129 1nF R111 82K C115 C116 S P M R123 470nF 10nF R124 P D A C A S Y R109 10K...
  • Page 25 CW107 3P, ANGLE D. OUT C503 100uF10V C501 100nF IC501 12L1616A Vdd1 Vss2 DQ15 @pinLa @pinLa DQ14 @pinLa @pinLa VSSQ1 VSSQ14 @pinLa @pinLa DQ13 @pinLa @pinLa DQ12 @pinLa @pinLa VDDQ1 VDDQ4 @pinLa @pinLa DQ11 @pinLa @pinLa DQ10 @pinLa @pinLa VSSQ2 VSSQ3 @pinLa @pinLa...
  • Page 26 SMPS section JVC DELETE SMD40 EU01W 100V AREA 200V AREA SMC04 JUMP WIRE 330uF 250V SMPN02 3P, ANGLE SMC05 330uF 250V 330uF 250V SMC14 JUMP WIRE 68uF 250V SMC15 68uF 250V 68uF 250V KSA2328A-Y SMQ40 SMT01 EER2828 UG4D SMD41 SMR04...
  • Page 27 KTA1273 SMQ41 SMIC45 7808 Input Output KSA2328A-Y SMQ40 SMCN02 CON15 SMR54 2. 2 Vin Vdis 78R12 SMIC44 SMIC43 278R33 1N4148 Vdis SMD50 1N4148 SMD49 1 : MOTOR Vcc 2 : M _ GND 3 : 5V 4 : 5V SMIC42 5 : 3.
  • Page 28 Printed circuit boards Amp board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) forward side HX-D77/MX-C55 PCB AMP AE101 SE102 EQ101 FL + FL - -30V EE010 SQ107 ER102 PROTECT CN108 P-ON/OFF SE103 RESET TE101 EE009...
  • Page 29 reverse side AE101 EE010 -30V (2P) EE009 PROTECT P-ON/OFF RESET H/P-SENS +5.6V +5.0V EQ-IN U.GND D.GND M-MUTE P-SENS USB-SSPND T-DO T-CE TUNED STEREO F-CE TU101 V-OFF U92/DISPCS U96/DISP20 U95/DISP2S U97/DISPCK U27/DISPBUY U91/DISPST U91/DISPST V-MUTE V-MUTE EE06R EE06L EE02L VE110 EE02R VE111 VE103 EE04L...
  • Page 30 Front board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) (Front board) FW401 F R 2 2 2 F R 3 11 MX-C55 FRONT-PCB S W 3 11 A H 4 1 - 0 0 9 2 8 A F R 3 1 2 R E V : P P 2 F R 3 1 3...
  • Page 31 L D 3 1 0 L D 3 0 9 L D 3 0 8 U W 2 0 2 S W 3 1 2 S W 3 1 3 (LED3 board) U C 1 0 6 F C 0 3 R U R 1 3 6 S W 2 2 0 F R 3 1 R...
  • Page 32 SMPS board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) SECONDARY SMCN01 1 3 : PVDD SMD60 4 6 : P_GND SMR50 7 : - 1 2 V 8 : S_GND 9 : 1 2 V SMC63 SMC61 SMC62...
  • Page 33 PRIMARY SMC04 SMPN01 SMFU01 T4AL 2 5 0 V (4A 250V) SMVR01 SMC05 SMR01 SMT02 SMC18 SMBC02 SMCM01 SMD07 SMR11 MZD01 SMBD01 SMZD03 SMC11 SMR06 SMC06 SMR04 SMD02 SMC02 SMC03 SMR03 SMLF02 SMD06 SMBD02 S M I C 0 1 SMC14 SMC15 MC08...
  • Page 34 CD board Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) forward side CW102 JW10 CW107 JW32 CW101 JW21 D301 CW103 R E V C207 A H 4 1 - 0 0 9 2 3 A G6HI-3CD C210 C212L...
  • Page 35 < M E M O >...
  • Page 36 Victor Company of Japan, Limited Audio/Video Systems Category 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan Printed in Japan (No.MB508SCH)

  • Page 37: Parts List

    PARTS LIST MX-C55J,MX-C55C * All printed circuit boards and its assemblies are not available as service parts. - Contents - Exploded view of general assembly and parts list (Block No.M1) Electrical parts list (Block No.01~04) 3-12 Packing materials and accessories parts list (Block No.M3)
  • Page 38 Exploded view of general assembly and parts list Block No. VFD board Front board LED1 bo LED3 board...
  • Page 39 CD board SMPS board Main AMP board 1 board LED2 board USB board...
  • Page 40 General Assembly Block No. [M][1][M][M]  Symbol No. Part No. Part Name Description Local AH64-03850B VFD WINDOW PMMA AH64-03851B CD WINDOW PMMA AH64-03848B VOLUME KNOB PMMA AH67-00408A VOLUME LENS AH81-01982B DECO VOLUME AH64-03849B PRESET KNOB AH81-01996B PRESET DECO AH67-00413A PRESET LENS PMMA AH67-00409B CAP SIDE L...

  • Page 41: Electrical Parts List

    Electrical parts list Front board  Symbol No. Part No. Part Name Description Local Block No. [0][1] FR01R 2001-000411 C RESISTOR 18KΩ 1/8W  Symbol No. Part No. Part Name Description Local FR100 2001-000995 C RESISTOR 820Ω 1/8W FR101 2001-000429 C RESISTOR 1KΩ...
  • Page 42  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local UR128 2001-000786 C RESISTOR 47KΩ 1/8W FW101 3708-000454 CONNECTOR 22P 1.25mm UR129 2001-000786 C RESISTOR 47KΩ 1/8W FW102 3711-001136 CONNECTOR UR130 2001-000786 C RESISTOR 47KΩ...
  • Page 43  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local SD101 1SS355 DIODE 0401-001090 FC14L 2203-000206 CHIP CAPACITOR 100nF 50V SD102 1SS355 DIODE 0401-001090 FC14R 2203-000206 CHIP CAPACITOR 100nF 50V SZ102 RLZ5.6A Z DIODE 0403-001008 FE101...
  • Page 44  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local WC20R 2305-000412 M CAPACITOR 470nF HR09R 2007-000300 CHIP RESISTOR 10KΩ WC21L 2203-001128 CHIP CAPACITOR 0.68nF 50V HR10L 2007-000300 CHIP RESISTOR 10KΩ WC21R 2203-001128 CHIP CAPACITOR 0.68nF 50V...
  • Page 45  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local 600 Ω 300mA EL101 3301-001345 FERRITE BEADS C134 2401-002042 E CAPACITOR 220uF 10V 600 Ω 300mA EL102 3301-001345 FERRITE BEADS C135 2401-002042 E CAPACITOR 220uF 10V FIC02...
  • Page 46  Symbol No. Part No. Part Name Description Local R112 2007-001039 CHIP RESISTOR 56KΩ R113 2007-000409 CHIP RESISTOR 15KΩ R114 2007-000941 CHIP RESISTOR 47KΩ R115 2007-000338 CHIP RESISTOR 120KΩ R116 2007-000338 CHIP RESISTOR 120KΩ R117 2007-001039 CHIP RESISTOR 56KΩ R118 2007-001208 CHIP RESISTOR 82KΩ...
  • Page 47 <MEMO> 3-11...
  • Page 48 Packing materials and accessories parts list Block No. 3-12...
  • Page 49 AM LOOP ANT ------------ BATTERY (x2) AH65-00007A FERRITE CORE AH81-01978A SPEAKER L LEFT AH81-01978B SPEAKER R RIGHT AH69-01649A CARTON for MX-C55J C55J AH69-01649B CARTON for MX-C55C C55C AH69-01647A CUSHION L for SET AH69-01648A CUSHION R for SET 6902-000068 POLY BAG...

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