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1-6 (No.MB557)

SECTION 3

DISASSEMBLY

3.1

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. (See Fig.2)

(3) Take out the top cabinet from the main body while lifting the

rear section of the top cabinet in the direction of the arrow.
(See Fig.1)

3.1.2 Removing the CD mechanism assembly 

(See Figs.2 to 4)

• Remove the top cabinet.

(1) From the back side of the main body, remove the two

screws 

C

 attaching the CD mechanism assembly to the

rear cabinet. (See Fig.2)

(2) From the bottom side of the CD mechanism assembly, turn

the gear cam in the direction of the arrow and draw the tray
disc out of the CD mechanism assembly in the direction of
the arrow 1. (See Fig.3, 4)

(3) Remove the CD door from the tray disc in the direction of

the arrow 2. (See Fig.4)

(4) From the left side of the main body, disconnect the wire

from the connector 

CN105

 on the main AMP board. (See

Fig.4)

(5) Disconnect the card wire from the connector 

CW105

 on the

CD board. (See Fig.4)

(6) From the both sides of the main body, remove the two

screws 

D

 and then take out the CD mechanism assembly

from the main body. (See Fig.4)

Fig.1

Fig.2

Fig.3

Fig.4

Top cabinet

A

A

A

Rear cabinet

C

C

B

B

B

CD deck

Gear cam

OPEN

Main AMP board

D

CD mechanism

2

CD board

1

CN105

CD door

tray disc

Содержание CA-MXC55

Страница 1: ...MPACT COMPONENT SYSTEM MB557 2006 8 MX C55A Lead free solder used in the board material Sn Ag Cu melting point 219 Centigrade TABLE OF CONTENTS 1 PRECAUTION 1 3 2 SPECIFIC SERVICE INSTRUCTIONS 1 5 3 DISASSEMBLY 1 6 4 ADJUSTMENT 1 11 5 TROUBLESHOOTING 1 11 SP MXC55 SP MXC55 CA MXC55 ...

Страница 2: ... tuning range 522 kHz 1 710 kHz CD player CD Capacity 3 CDs Dynamic range 85 dB Signal to noise ratio 85 dB General Power requirement AC 110 240 V 50 60 Hz Power consumption 80 W 136 VA at operation 7 3 W on standby 1 W in ECO mode Dimensions approx 270 mm 317 mm 402 mm W H D 10 11 16 in 12 1 2 in 15 7 8 in Mass approx 5 9 kg 13 lbs Type 3 way bass reflex type Speaker units Subwoofer 16 cm 6 5 16 ...

Страница 3: ...ack control shafts etc to be sure the product is safe to operate without danger of electrical shock Do not use a line isolation transformer during this check Plug the AC line cord directly into the AC outlet Using a Leakage Current Tester measure the leakage current from each exposed metal parts of the cabinet particular ly any exposed metal part having a return path to the chassis to a known good...

Страница 4: ... uses visible and or invisible laser radiation and is equipped with safety switches which prevent emission of radiation when the drawer is open and the safety interlocks have failed or are defeated It is dangerous to defeat the safety switches 5 CAUTION If safety switches malfunction the laser is able to function 6 CAUTION Use of controls adjustments or performance of procedures other than those s...

Страница 5: ... No MB557 1 5 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS ...

Страница 6: ...ism assembly to the rear cabinet See Fig 2 2 From the bottom side of the CD mechanism assembly turn the gear cam in the direction of the arrow and draw the tray disc out of the CD mechanism assembly in the direction of the arrow 1 See Fig 3 4 3 Remove the CD door from the tray disc in the direction of the arrow 2 See Fig 4 4 From the left side of the main body disconnect the wire from the connecto...

Страница 7: ...ssembly and the main AMP board 1 From the top side of the main body remove the screw G attaching the earth wire on the bottom cabinet See Fig 6 2 From the back side of the main body remove the three screws H attaching the rear cabinet See Fig 7 3 Disengage the two hooks a and take out the rear cabinet See Fig 7 4 From the inside of the rear cabinet remove the four screws J attaching the SMPS board...

Страница 8: ...e bottom cabinet See Fig 9 2 From the both sides of the main body remove the two screws N attaching the front cabinet assembly See Fig 10 3 From the both and bottom sides of the main body release the joints c d and then take out the front cabinet assem bly from the main body in the direction of the arrow See Figs 10 Fig 9 Fig 10 Front cabinet assembly Bottom cabinet M Bottom cabinet Front cabinet ...

Страница 9: ...the VFD board from the front cabinet assembly and then disconnect the wires from the connectors UW101 UW201 FW102 FW104 on the VFD board See Fig 12 3 1 8 Removing the front board See Fig 12 Remove the top cabinet CD mechanism assembly front cab inet assembly and VFD board 1 From the inside of the front cabinet assembly remove the four screws Q attaching the front board 2 Take out the front board f...

Страница 10: ...ED1 board LED2 board and LED3 board See Fig 13 Remove the top cabinet CD mechanism assembly front cab inet assembly knobs and VFD board 1 From the inside of the front cabinet assembly release the claws e and then take out the LED1 board from the front cabinet assembly 2 Remove the screw S attaching the LED2 board 3 Release the claw f and then take out the LED2 board from the front cabinet assembly...

Страница 11: ... No MB557 1 11 SECTION 4 ADJUSTMENT This service manual does not describe ADJUSTMENT SECTION 5 TROUBLESHOOTING This service manual does not describe TROUBLESHOOTING ...

Страница 12: ... No MB557 Audio Video Systems Category 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japan Victor Company of Japan Limited VPT Printed in Japan ...

Страница 13: ...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 Packing materials and accessories parts list Block No M3 MX C55A 3 2 3 5 3 12 MB557 ...

Страница 14: ... Exploded view of general assembly and parts list VFD Front board VFD board LED1 bo LED3 board Block No M M M 1 11 43 12 1 2 10 13 45 45 25 23 42 45 20 19 46 44 41 24 46 9 48 8 7 6 5 4 3 21 22 45 27 28 18 ...

Страница 15: ...3 3 SMPS board USB board 1 board Main AMP board LED2 board CD board 47 45 45 34 32 38 36 45 45 45 30 45 10 45 45 45 45 45 31 45 40 37 39 35 45 ...

Страница 16: ...H64 03842B CD KNOB ABS 22 AH64 03845B FUNCTION KNOB ABS 23 AH63 01150A MIRROR SHEET PC 24 AH64 03843B POWER KNOB ABS 25 AH67 00411A POWER LENS PMMA 27 AH07 00180B VFD DISPLAY BN017GNK 28 AH61 01831A VFD HOLDER ABS BLACK 30 AH64 02840A BOTTOM CABINET 31 AH39 00257K POWER CORD 32 AH61 02134A PCB BKT ABS 34 AH61 02131A IC HOLDER 35 AH62 00152B HEATSINK 36 AH44 00124B SMPS PCB ASSY 37 AH61 02130A PCB ...

Страница 17: ...01 000734 C RESISTOR 4 7KΩ 1 8W FR108 2001 000890 C RESISTOR 6 8KΩ 1 8W FR111 2001 000734 C RESISTOR 4 7KΩ 1 8W FR201 2001 000995 C RESISTOR 820Ω 1 8W FR202 2001 000429 C RESISTOR 1KΩ 1 8W FR203 2001 000221 C RESISTOR 1 2KΩ 1 8W FR204 2001 000241 C RESISTOR 1 5KΩ 1 8W FR205 2001 000258 C RESISTOR 1 8KΩ 1 8W FR218 2001 000034 C RESISTOR 220Ω 1 4W FR222 2001 000855 C RESISTOR 560Ω 1 4W FR301 2001 00...

Страница 18: ...G BLK BEAD1 3301 000297 FERRITE BEADS BEAD2 3301 000297 FERRITE BEADS BZ101 3002 001134 BUZZER 85DB 12V FL302 3301 000297 FERRITE BEADS FQ301 KTC8050 TRANSISTOR 0501 002375 FQ302 KTC8050 TRANSISTOR 0501 002375 FQ303 KTC8050 TRANSISTOR 0501 002375 FW101 3708 000454 CONNECTOR 22P 1 25mm FW102 3711 001136 CONNECTOR 8P Symbol No Part No Part Name Description Local FW103 3708 001696 CONNECTOR 24P FW104...

Страница 19: ...CHIP CAPACITOR 0 22nF 50V Symbol No Part No Part Name Description Local HC05R 2203 000595 CHIP CAPACITOR 0 22nF 50V HE002 2401 001508 E CAPACITOR 47uF 16V HE01L 2401 000042 E CAPACITOR 100uF 16V HE01R 2401 000042 E CAPACITOR 100uF 16V MC101 2203 000206 CHIP CAPACITOR 100nF 50V MC102 2203 000206 CHIP CAPACITOR 100nF 50V MC103 2203 000206 CHIP CAPACITOR 100nF 50V MC104 2203 000634 CHIP CAPACITOR 0 0...

Страница 20: ...101 2007 000300 CHIP RESISTOR 10KΩ MR102 2007 000290 CHIP RESISTOR 100Ω MR103 2007 000947 CHIP RESISTOR 47Ω 1 8W Symbol No Part No Part Name Description Local MR104 2007 000947 CHIP RESISTOR 47Ω 1 8W MR105 2007 000290 CHIP RESISTOR 100Ω MR106 2007 000290 CHIP RESISTOR 100Ω MR107 2007 000300 CHIP RESISTOR 10KΩ MR108 2007 000300 CHIP RESISTOR 10KΩ MR110 2007 000766 CHIP RESISTOR 330Ω MR111 2007 0006...

Страница 21: ...C142 2203 000239 CHIP CAPACITOR 0 1nF 50V C143 2203 000260 CHIP CAPACITOR 10nF 50V C201 2203 001537 CHIP CAPACITOR 1nF 50V C202 2203 000206 CHIP CAPACITOR 100nF 50V C203 2401 000480 E CAPACITOR 10uF 50V C204 2203 001537 CHIP CAPACITOR 1nF 50V C205 2203 001537 CHIP CAPACITOR 1nF 50V C207 2401 000240 E CAPACITOR 100uF 10V C208 2203 000206 CHIP CAPACITOR 100nF 50V C210 2401 000240 E CAPACITOR 100uF 1...

Страница 22: ...Ω R409 2007 000941 CHIP RESISTOR 47KΩ R411 2007 000872 CHIP RESISTOR 4 7KΩ R412 2007 000872 CHIP RESISTOR 4 7KΩ R420 2007 000468 CHIP RESISTOR 1KΩ R421 2007 000931 CHIP RESISTOR 470Ω R422 2001 000780 C RESISTOR 470KΩ 1 8W R423 2001 000780 C RESISTOR 470KΩ 1 8W R425 2007 000931 CHIP RESISTOR 470Ω R426 2007 000931 CHIP RESISTOR 470Ω R427 2007 000931 CHIP RESISTOR 470Ω R428 2001 000780 C RESISTOR 470...

Страница 23: ...3 11 MEMO ...

Страница 24: ...3 12 Packing materials and accessories parts list P1 P4 P8 P6 P7 P3 P2 P5 P5 A1 A7 A6 A9 A2 A5 A8 A3 A4 Block No M M M 3 A10 No additional supplemental order of WARRANTY CARDs are available ...

Страница 25: ... AH65 00007A FERRITE CORE A 7 WARANTY CARD A 8 WARANTY CARD A 9 AH81 01978A SPEAKER BOX L LEFT A 10 AH81 01978B SPEAKER BOX R RIGHT P 1 AH69 01649C CARTON for SET P 2 AH69 01647A CUSHION L for SET P 3 AH69 01647A CUSHION R for SET P 4 6902 000068 POLY BAG for SET P 5 6902 000385 POLY BAG for ACCESSORIES x2 P 6 AH81 01978V TOP CUSHION for SPEAKER P 7 AH81 01978W BOTTOM CUSHION for SPEAKER P 8 AH81 ...

Страница 26: ...c diagrams Printed circuit boards 2 1 2 2 2 6 to 9 CD ROM No SML200608 COMPACT COMPONENT SYSTEM No MB557SCH 2006 8 COPYRIGHT 2006 Victor Company of Japan Limited Lead free solder used in the board material Sn Ag Cu melting point 219 Centigrade SP MXC55 SP MXC55 CA MXC55 ...

Страница 27: ...ponent 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 ...

Страница 28: ... CH RED L CH WHITE INPUT1 INPUT2 INPUT3 INPUT4 A D DIGITAL SIG ECO CONTROL KEY COMMAND R E M O C O N VP VFD 5 6V POWER ON VFD ECO P T AC INPUT AC S I G N A L 1 2 V MOTOR12V CD8 5V USB ON V IN H PHONE USB AUDIO IC 5V REG IC P SENS DATA CLK COMMAND POWER STAGE FRONT MAIN POWER STAGE S WOOFER POWER STAGE S WOOFER SUBWOOFER ...

Страница 29: ...2R WC04R WC14R WC22R WC21R WR04R WR05R 100nF 220nF WR10R WR01R WR09R WR08R 0 68nF 0 68nF WE01R WC23R WC13R 1 4W 1 4W 0 68nF 0 68nF 10 WC03L SP101 SOLDER FRONT_R FRONT_L FRONT_R FRONT_L WOOFER_R WOOFER_R WOOFER_L WOOFER_L 1 2 3 4 5 6 7 8 WR02L WR03L WR04L WR05L WC24L WC01L WC09L WC11L WC25L WC10L WL04L 22uH WC12L WL01L WL02L WC04L 22uH 22uH WL03L 22uH 220nF 220nF 6 8 6 8 6 8 6 8 220nF WC02L 220nF 2...

Страница 30: ... LD309 LD308 RED RED LD310 FR308 FR310 220 FR309 220 LD307 LD304 LD305 LD306 RED FR307 220 FR304 220 FR305 220 FR306 220 220 10K BLUE FW201 MAIN VR VR101 8P WIRE FW102 8P ANGLE 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 CONT VR1 VR2 LED_GND LED 5V CONT AUX_LENS_LED KEY A D1 VR1 VR2 LED_GND LED 5V FW401 4P WIRE 1 2 3 4 GND KEY A D3 STANDBY LED LED 5 6V LD201 FR222 FR311 FR312 FR313 SW310 POWER SW311 SW3...

Страница 31: ...inLa pinLa pinLa pinLa pinLa pinLa pinLa pinLa pinLa pinLa pinLa pinLa pinLa pinLa pinLa pinLa pinLa pinLa pinLa pinLa pinLa pinLa pinLa pinLa pinLa pinLa pinLa pinLa pinLa pinLa pinLa pinLa pinLa pinLa pinLa pinLa pinLa pinLa pinLa pinLa pinLa pinLa pinLa pinLa pinLa 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 CW107 IC501 12L1616A D OUT UDQM ADDR9 ADDR8 ADDR7 ADDR6...

Страница 32: ... SMC46 100uF 50V SMC45 100uF 50V SMC41 1000uF 25V SMC54 100uF 50V SMC40 100uF 50V SMD40 JVC DELETE EU01W SMD45 SMIC44 78R12 1 2 2 3 3 GND Vin Vdis Vo 1 Vo GND Vin Vdis 4 4 SMR51 1 EU01W SMD43 SB360 SMR53 120 SMD44 EU01W SMR61 4 7K SMR63 1 5K SMR70 150 SMR64 15 SMR62 18K SMR65 33K SMR66 33K SMR67 33K SMR68 33K SMR69 33K SMR47 2 2K SMR48 2 7K SMR43 39K SMR46 560 SMR45 2 7K SMR49 33 SMR44 56 SML40 22...

Страница 33: ...77 MX C55 PCB AMP AH41 00929A REV 3 FE101 WL03R FC12L WL04R FR02R FC09L FC07L FC08R FC09R FC07R WC05R WC20R WL02R WL04L WL02L WL01L WL03L WL01R WE01L WC14L WC10L WC23L WC09L WC14R WE01R CN106 9 WC04R WR05R WR04R WC02R FC04L FR02L WC06L WR03L WR02L PbF HX D77 MX C55 PCB AMP 35V 35V 35V A GND A GND A GND D GND D GND 12V FR04R WR08R WC22R WR09R WR01R WC13R WC11R WC22L WR01L WC13L WR10L WC12L WC25L WC...

Страница 34: ...5 U R 1 6 6 U R 1 6 7 U R 1 7 0 U R 1 6 9 U R 1 6 4 U E 1 0 3 U E 1 0 4 U D 1 0 4 U D 1 0 3 U Q 1 0 1 U E 1 0 7 U E 1 0 1 U E 1 0 2 F C 2 0 4 F R 2 1 8 B Z 1 0 1 U J W 6 7 U J W 5 3 U R 1 7 1 F D 3 0 1 F R 3 1 8 F R 111 F R 3 1 7 U R 1 7 8 U R 1 7 7 U J W 6 6 U J W 4 1 U J W 4 7 U J W 1 8 U R 1 2 6 U R 1 2 5 U R 1 2 4 U R 1 2 3 U R 1 2 2 U R 1 2 1 U R 1 2 0 U R 11 9 U R 11 8 U R 11 7 U R 11 6 U R ...

Страница 35: ...SMD50 SMC51 SMR52 SMR40 SMCN02 51 SMD60 SMC61 SMC04 BL T4AL 250V SMFU01 SMVR01 SMC05 SMBC02 SMD07 SMT02 SMZD01 SMC11 SMR05 SMC01 SMPC02 SMPC03 64 SMC40 SMD40 SMR70 SMR64 SMR63 SMR62 SMR61 SMC18 SMR11 SMZD03 SMR06 SMC06 SMR04 SMBC01 SMD02 SMR03 SMD06 SMBD02 SMLF02 SMCM02 SMTH01 SMC15 SMC03 SMC02 9 SMC14 77 3 4 66 28 27 SMIC01 S M D 0 1 SMZD02 SMC17 SMR02 7 SMC16 SMC12 SMC09 SMQ01 SMC10 SMR07 SMD03 ...

Страница 36: ...7 R112 R109 J9 J14 C130 R128 C132 C129 C133 R121 IC101 C115 R111 R110 C116 R107 R106 C113 R105 C143 R420 R407 R408 R406 C121 C122 C214 C216 C232 R213 IC301 IC501 C502 J13 C501 J12 J18 C401 D306 C140 C142 C141 R104 C111 R103 C110 C104 C101 R101 C131 R102 C109 R203L C213L D201 C209R R201R R202R J17 R129 1 DGND 2 5V 3 TRAY_SEN 4 OP_SEN 5 CL_SEN 6 MODE_SEN 7 5V 8 DGND C112 R204L D307 IC201 J22 J11 C23...

Страница 37: ...Victor Company of Japan Limited No MB557SCH Printed in Japan VPT Audio Video Systems Category 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japan ...

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