JVC CA-MXGA3V Скачать руководство пользователя страница 45 | Manualshive

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MX-GA3V

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Display/Uicom control. circuit board (Top side)

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Содержание CA-MXGA3V

Страница 1: ...1 18 Flow of functional operation until TOC read 1 20 Maintenance of laser pickup 1 21 Replacement of laser pickup 1 21 Description of major ICs 1 22 SP MXGA3V CA MXGA3V SP MXGA3V Area Suffix US SINGAPORE UX Saudi Araia COPYRIGHT 2003 VICTOR COMPANY OF JAPAN LTD No MB036 2003 11 MX GA3V SERVICE MANUAL COMPACT COMPONENT SYSTEM Wiring connection 1 29 ...

Страница 2: ...uired the original lead routing and dress should be observed and it should be confirmed that they have been returned to normal after re assembling 5 Leakage currnet check Electrical shock hazard testing After re assembling the product always perform an isolation check on the exposed metal parts of the product antenna terminals knobs metal cabinet screw heads headphone jack control shafts etc to be...

Страница 3: ... laser products REPRODUCTION AND POSITION OF LABELS 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 specified herein may result in hazardous radiation exposure CAUTION Please use enough caution not to see the beam directly or touch it in c a s e o f a n a d j u s t m e n t o r operation check...

Страница 4: ...e optical pickup The testers internal power source can easily destroy the laser diode 4 Handling the CD changer unit optical pickup 1 Do not subject the CD changer unit optical pickup to strong shocks as it is a sensitive complex unit 2 Cut off the shorted part of the flexible cable using nippers etc after replacing the optical pickup For specific details refer to the replacement procedure in the ...

Страница 5: ...e loading motor and belt of the CD changer tray Replacing the CD tray rotor belt of CD changer and removing the motor Front panel assembly Removing the cassette deck mechanism Removing the earphone jack PCB Removing the control FL PCB Removing the switch PCB and ACTIVE BASS EX switch PCB Removing the cassette deck main motor and replacing the main belts Removing the leaf switches of the cassette d...

Страница 6: ...om the rear panel 2 Pull the heat sink cover outward Replacing the power IC See Fig 2 Prior to performing the following procedure remove the top cover 1 Remove the two screws A from the heat sink between the power IC 2 Remove the solder fixing the power IC Fig 3 BB B VIDEO OUT 110V 127V 220V 230V 240V Bottom side Fig 1 A CN951 Fuse F952 T1 6AL 250V Fuse F951 T2AL 250V Fuse F953 T1 25AL 250V Add La...

Страница 7: ... cover See Fig 4 and 5 1 Remove six screws B that retain the top cover from the panel rear of the body 2 Remove eight screws C and D that retain the top cover from the two sides of the body 3 Remove the top cover from the body by lifting it toward the rear D D Fig 4 Top cover B VIDEO OUT 2 23 2 C C ...

Страница 8: ...ith arrows and pull out the CD tray toward the front b Remove the CD tray panel by pushing both of its extremities upward in the direction of the arrows c Push the CD tray deep into the set 1 Disconnect the cord wires from the CD PCB CN704 CN607 CN1101 and disconnect CN1 shield wire from back panel 2 From the rear of the set remove two screws E and two screws G on the front panel left and right si...

Страница 9: ...lel wire and the cord wire from the connectors CN701 CN702 CN703 CN850 on the power amp and supply PCB 2 Remove two screws H retaining the front panel assembly onto the bottom of the body 3 Remove two screws I on the left and right side of the set retaining the panel front from the bottom and then remove then GND lug b that comes from the power amp and supply PCB 4 Disengage the claws c on both si...

Страница 10: ... wires from CN602 CN603 CN604 and CN605 on the CD PCB which is located on the back side of the CD changer unit 3 The two screws J that retain the CD PCB should be removed 4 Remove the CD PCB by pulling it toward the side where the CN601 is located 5 Using solder short the CD pickup to connect to short round Caution After re connecting the wires be sure to remove the shorting solder from the GND co...

Страница 11: ...rd Also remove the CD changer unit 1 Removing screws D from the front chuck base of the CD changer mechanism unit 2 Turn the CD changer mechanism cover base and remove screws E connecting the unit to the CD changer mechanism assembly 3 Removing four screws K retaining the CD mechanism holder assembly Caution When replacing the CD changer mechanism assembly be sure not to mistake the positions of t...

Страница 12: ...he top cover Also open the CD changer tray 1 Remove two screws L retaining the CD changer tray loading motor 2 Remove two screws M retaining the gear plate and take it out after remove the rotor belt from the pulley Replacing the CD turn table and remov ing the motor See Fig 19 and 20 Prior to performing the following procedures remove the top cover Also remove the CD changer unit 1 Remove one scr...

Страница 13: ...e earphone jack PCB and Mic Jack PCB See Fig 22 Prior to performing the following procedures remove the top cover and both sides board Also remove the CD changer unit Also remove the front panel assembly 1 Remove the screw with the washer P that retains the earphone jack PCB Removing the control FL PCB See Fig 21 Prior to performing the following procedures remove the top cover and both sides boar...

Страница 14: ...ger unit Also remove the front panel assembly 1 Pull out the volume control knob and MIC Volume Knob from the front of the front panel assembly Fig 24 2 Remove four screws Q retaining the front panel assembly Fig 23 3 Remove the control FL PCB 4 Remove eleven screws R retaining the switch key 1 PCB Fig 22 5 Remove three screws S retaining the sound mode key 2 switch PCB 6 Remove two screws T retai...

Страница 15: ...motor and replacing the main belts See Fig 21 27 and 28 Prior to performing the following procedures remove the top cover and both sides board Also remove the CD changer unit Also remove the front panel assembly 1 Remove five screws Z retaining the cassette deck mechanism Fig 21 2 Remove the cassette deck mechanism 3 Remove two screws T retaining the main motor from the front side of the cassette ...

Страница 16: ... Remove the solder from the bottom side of the head terminal and disconnect the wire 4 Remove screw U that retains the head 5 Remove screw V that retains the head 6 Hold the head and slide it in the direction of the arrow to remove it Removing the 3 pin regulator and bridge diode See Q904 Q907 and Fig 31 Prior to performing the following procedures remove the top cover and both sides board 1 Remov...

Страница 17: ...rd 3 Remove four screws AA from the rear panel between the heat sink holder 4 Remove two screws X that retain the speaker terminals and AUX terminal 5 Remove screws YY that retains the rear panel and then remove the rear panel 6 Disconnect the parallel wires from the connectors FW951 on the power trans PCB 7 Remove the clamp of AC power cord from the chassis 8 Remove four screws AB that retain the...

Страница 18: ...requency Range AM US 530kHz 1710kHz 10kHz 531kHz 1629kHz 9kHz UX 530kHz 1600kHz 10kHz 531kHz 1602kHz 9kHz FM 87 5MHz 108MHz Standard measurement positions of volume and switch Power Standby Light STANDBY Indicator Sound Turbo A BASS EX OFF Sound mode OFF Main VOL 0 Minimum Travers mecha set position Disc 1 Mic MIX VOL MAX ECHO OFF Precautions for measurement 1 Apply 30pF and 33kohm to the IF sweep...

Страница 19: ... Impedance Probe or Frequency counter input Cassette Head Azimuth Alignments Recording Bias Frequency Alignment Items Measurement conditions Measurement method Standard values Adjusting positions 1 Set the Signal Generator signal to 530kHz 529kHz the feed to Loop Antenna 2 Receiving the signal and the adjust the OSC coil L2 obtain the V T is 1 40V 0 05V 3 Change the receiving frequency to 600KHz 6...

Страница 20: ... Automatic measurement of TE amplitude and automatic tuning of TE balance 500mv div 2ms div Fig 1 Approx 3sec pin 20 of IC611 TE Approx 1 8V VREF Tracking error waveform at TOC reading Power ON Play Key Confirm that the Focus error S cuve signal at the pin43 of IC602 is approx 2Vp p Confirm that the signal from pin4 IC602 is 0V as a accelerated pulse during approx 400ms Confirm the waveform of the...

Страница 21: ...ry to clean the lens with a alcohol soaked cotton swab 2 Life of the laser diode When the life of the laser diode has expired the following symptoms will appear 1 The level of RF output EFM output ampli tude of eye pattern will below 3 Semi fixed resistor on the APC PC board The semi fixed resistor on the APC printed circuit board which is attached to the pickup is used to adjust the laser power S...

Страница 22: ...sing or falling edge HSYNC 41 I O Horizontal sync for screen video interface programmable for rising or falling edge CPUCLK 42 I RISC and system clock input CPUCLK is used only if SEL_PLL 1 0 00 PCLK2X 43 I O Pixel clock two times the actual pixel clock for screen video interface PCLK 44 I O Pixel clock qualifier in for screen video interface AUX 7 0 54 52 53 49 45 I O Auxiliary control pins AUX0 ...

Страница 23: ...EXT_CLK AUX2 DSC_S AUX1 DSC_D0 AUX0 DSC_C VCC NC NC VSS NC NC NC NC NC VSS VSS RSTOUT_B RWS SEL_PLL1 TBCK YDAC VSSAV VSSAV VDAC ACAP VCC AUX6 VFD_DO AUX5 AUX4 AUX3 XOUT VSS VCC XIN VSS NC VSS VCC PCLK 2XPCLK VSSAA VREF VREFM RSET COMP VSSAV VSSAV CDAC VCCAV VCCAV 31 30 51 50 80 81 100 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 49 48 47 46 45 44 43 42 41 40 39 38 37...

Страница 24: ...uency for the DCLK output RSTOUT_B 24 O Reset output active low NC 2 4 27 30 76 No connect Do not connect to these pins RSD 33 O Dual purpose pin RSD is the receive audio data input SEL_PLL0 I SEL_PLL0 along with SEL_PLL1 select the PLL clock frequency for the DCLK output See the table for pin number 23 RBCK 37 O Dual purpose pin RBCK is the receive audio bit clock SER_IN I SER_IN is the serial in...

Страница 25: ...out block digram BA15218 BA15218F IC102 IC852 Dual operational amplifier 1 Terminal layout block digram 2 Pin function BA3837 IC103 MIC Mixer 1 Terminal layout block digram 2 Pin function BU9253AS IC851 Low pass filter echo mixer ...

Страница 26: ...MX GA3V 1 26 3 Pin function 1 Terminal layout TA8189N IC401 REC PCB Amp 2 Block diagram ...

Страница 27: ...MX GA3V 1 27 1 Terminal layout TC74HC4094AP IC402 8 bit shift and store resister 2 Block diagram ...

Страница 28: ...MX GA3V 1 28 1 Terminal layout TDA7440D IC101 Audio processor 2 Block diagram ...

Страница 29: ...river VFD FW701 CN701 CN703 IC701 TMP87CM78 XXX MPU IC702 IR Sensor CN702 To Main To Main To Power Amp CONTROL FW701 Jog Key s SWITCH J303 Q103 Mute CN951 IC304 2CH Power Amp STK402 070 CN902 To Control Q203 Mute Speaker output To Primary Rectifire Power Supply Circuit Protect Control Circuit CN1101 IC1101 ES3880FM MPEG Decorder To Changer MPEG IC1105 AMS1117 3 3V Reg J1101 Video Output IC1102 ES3...

Страница 30: ...MX GA3V No MB036 Printed in Japan 200311 VICTOR COMPANY OF JAPAN LIMITED AV MULTIMEDIA COMPANY AUDIO VIDEO SYSTEMS CATEGORY 10 1 1Chome Ohwatari machi Maebashi city 371 8543 Japan ...

Страница 31: ...S Singapore UX Saudi Arabia No MB036SCH 2003 11 COPYRIGHT 2003 VICTOR COMPANY OF JAPAN LTD SCHEMATIC DIAGRAMS Block diagram Standard schematic diagrams Printed circuit boards 2 1 2 2 2 9 2 17 Contents CD ROM No SML200311 COMPACT COMPONENT SYSTEM MX GA3V ...

Страница 32: ...n 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 This regulation does not correspond to J and C version ...

Страница 33: ...01 CN701 CN703 IC701 TMP87CM78 XXX MPU IC702 IR Sensor CN702 To Main To Main To Power Amp CONTROL FW701 Jog Key s SWITCH J303 Q103 Mute CN951 IC304 2CH Power Amp STK402 070 CN902 To Control Q203 Mute Speaker output To Primary Rectifire Power Supply Circuit Protect Control Circuit CN1101 IC1101 ES3880FM MPEG Decorder To Changer MPEG IC1105 AMS1117 3 3V Reg J1101 Video Output IC1102 ES3883F Companio...

Страница 34: ...MX GA3V 2 2 MX GA3V Standard schematic diagrams A B C D E F G 1 2 3 4 5 CD Servo control section ...

Страница 35: ...MX GA3V 2 3 A B C D E F G 1 2 3 4 5 Power transformer section MIC AMP and H P section ...

Страница 36: ...MX GA3V 2 4 MX GA3V A B C D E F G 1 2 3 4 5 FL Display and CPU Control Section ...

Страница 37: ...MX GA3V 2 5 A B C D E F G 1 2 3 4 5 Head AMP audio power AMP and power Supply ...

Страница 38: ...MX GA3V 2 6 MX GA3V A B C D E F G 1 2 3 4 5 MPEG Section ...

Страница 39: ...MX GA3V 2 7 A B C D E F G 1 2 3 4 5 Tuner Section ...

Страница 40: ...MX GA3V 2 8 MX GA3V A B C D E F G 1 2 3 4 5 Remote Control Section ...

Страница 41: ...MX GA3V 2 9 A B C D E F G 1 2 3 4 5 Printed circuit boards Main power amp circuit board Top side ...

Страница 42: ...MX GA3V 2 10 MX GA3V A B C D E F G 1 2 3 4 5 Main power amp circuit board Bottom side ...

Страница 43: ...MX GA3V 2 11 A B C D E F G 1 2 3 4 5 CD Main circuit board Top side ...

Страница 44: ...MX GA3V 2 12 MX GA3V A B C D E F G 1 2 3 4 5 CD Main circuit board Bottom side ...

Страница 45: ...MX GA3V 2 13 A B C D E F G 1 2 3 4 5 Display Uicom control circuit board Top side ...

Страница 46: ...MX GA3V 2 14 MX GA3V A B C D E F G 1 2 3 4 5 Display Uicom control circuit board Bottom side ...

Страница 47: ...MX GA3V 2 15 A B C D E F G 1 2 3 4 5 Printed circuit boards MPEG circuit board Top side ...

Страница 48: ...MX GA3V 2 16 MX GA3V A B C D E F G 1 2 3 4 5 Printed circuit boards MPEG circuit board Bottom side ...

Страница 49: ...MX GA3V 2 17 A B C D 1 2 3 4 5 Tuner circuit board Top side ...

Страница 50: ...MX GA3V No MB036SCH Printed in Japan 200311 VICTOR COMPANY OF JAPAN LIMITED AV MULTIMEDIA COMPANY AUDIO VIDEO SYSTEMS CATEGORY 10 1 1Chome Ohwatari machi Maebashi city 371 8543 Japan ...

Страница 51: ...general assembly and parts list Block No M1 CD changer mechanism assembly and parts list Block No MA Cassette mechanism assembly and parts list Block No MP Electrical parts list Block No 01 05 Packing materials and accessories parts list Block No M3 MX GA3 3 2 3 5 3 8 3 9 3 14 Area suffix US Singapore UX Saudi Arabia MB036 ...

Страница 52: ...No M M M 1 70 7 8 10 44 13 62 9 77 11 6 5 14 3 2 1 4 59 60 21 22 22 16 15 19 16 17 18 65 88 27 25 67 69 34 67 12 72 79 78 29 28 PHONE BOARD 71 63 48 SOUND MODE BOARD 63 23 63 63 31 33 12 73 32 CD BOARD 39 40 37 36 B 36 A 36 C 36 D 6 REPEAT BOARD 24 A 24 B 24 C ...

Страница 53: ... 70 60 41 15 18 17 16 15 26 62 63 63 63 CONTROL BOARD 55 63 63 63 61 83 81 80 56 57 60 60 66 61 60 75 76 69 69 60 60 60 58 75 63 51 50 69 53 51 50 69 53 67 ND DE OARD 3 23 63 12 73 61 P T BARD MAIN BOARD VFD BOARD TUNNER BOARD VIDEO BOARD ...

Страница 54: ...UNCTION S 37 BI109821010101 KEY FUNCTION 39 BI681MXK30000 CD CHANGER MECH 40 BI109836010201 PANEL TOP 41 BI202303010101 BRACKET PWB B 42 BI2110110040010 POWER TRANS 44 BI109837010401 PANEL SIDE L 46 BI109838010401 PANEL SIDE R 48 BI109824010101 KEY SOUND MODE 50 BI301773010101 TAPE DOUBLE SID x2 51 BI202267010101 BRACKET HLDR V x2 53 BI202264010101 BRACKET ADAPTOR x2 55 BI202269010101 HEATSINK 56 ...

Страница 55: ...3 5 MEMO ...

Страница 56: ...3 6 CD changer mechanism assembly and parts list Block No M M M A BI681MXK30000 ...

Страница 57: ...3 7 No M M M A ...

Страница 58: ...BI4299811000 PULLEY GEAR 27 BI4299812000 BASE CHANGE 28 BI4299813000 TRANSMISSION 29 BI4299814001 MECHA GEAR 30 BI4299815000 MECHA HOLDER 31 BI4299816001 INERTIA GEAR B x4 32 BI4299817000 ROLLER x2 33 BI4299818000 BASE CD MECHANI 34 BI4299819000 BUFFER BASE 35 BI4399801000 BELT 36 BI4799801000 BASE CHANGE FEL 37 BI4799803001 PVC PLATE 38 BI4799804000 MAGNET DISC CRA 39 BI5099807001 WIRE ASSY 6P 40...

Страница 59: ...tte Mechanism Assembly Unit When ordering use the Parts No CMAT6Z223B for Cassette Mechanism Assembly Unit L SIDE R SIDE CMAT6Z223B L SIDE TYPE R SIDE TYPE Block No M M M P Symbol No Part No Part Name Description Local 1 BIF513858 PLATE HD BLK 2 BIF525346 MTR MAIN BLK 3 BIF567843 PCB CONTROL BLK 4 BIUE20P12 LEAF SWITCH x3 5 BIF522063 CLUTCH ASSY BLK x2 6 BIFF19N31 MAIN BELT 7 BIF51435 ROLLER PINCH...

Страница 60: ...GP00 0 Q339 DTC114YS TRANSISTOR BI2DTC114YSP00 2 Q401 2SD2144S TRANSISTOR BI2SD2144SVP00 2 Q402 2SD2144S TRANSISTOR BI2SD2144SVP00 2 Q403 KTC3199GR TRANSISTOR BI2KTC3199GP00 0 Q404 KTC3199GR TRANSISTOR BI2KTC3199GP00 0 Q405 KTC3199GR TRANSISTOR BI2KTC3199GP00 0 Q501 2SD2144S TRANSISTOR BI2SD2144SVP00 2 Q502 2SD2144S TRANSISTOR BI2SD2144SVP00 2 Q503 KTC3199GR TRANSISTOR BI2KTC3199GP00 0 Q504 KTC319...

Страница 61: ... BLACK WIRE 50MM UL100 PN4 BI11A050M0 BLACK WIRE 50MM UL1007 PN5 BI11A050M0 BLACK WIRE 50MM UL1007 PN6 BI11A050M0 BLACK WIRE 50MM UL1007 PN8 BI2004771 P C B TERMINAL PWB BI251172G01V MAIN PWB RY301 BI8RL00071 RELAY G5PA 2 S999 BI804351 SWITCH C2C TYPE TB901 BI201323010101 TERMINAL PLUG 1P MSC TB902 BI201323010101 TERMINAL PLUG 1P MSC W1051 BI12P402341 CONNECTOR 4PINS 2 5MM XXX BI202323010101 HEATS...

Страница 62: ...H SWITCH EVQ 214 05R S1026 BI8EVQ21405P015 TOUCH SWITCH EVQ 214 05R S1027 BI8EVQ21405P015 TOUCH SWITCH EVQ 214 05R S1028 BI8EVQ21405P015 TOUCH SWITCH EVQ 214 05R S1029 BI8EVQ21405P015 TOUCH SWITCH EVQ 214 05R S1030 BI8EVQ21405P015 TOUCH SWITCH EVQ 214 05R S1031 BI8EVQ21405P015 TOUCH SWITCH EVQ 214 05R S1032 BI8EVQ21405P015 TOUCH SWITCH EVQ 214 05R S1033 BI8EVQ21405P015 TOUCH SWITCH EVQ 214 05R W10...

Страница 63: ...12S30030 CONNECTOR 3P CN604 BI23S600961 CONNECTOR 6P PITCH2 0MM CN605 BI23S600961 CONNECTOR 6P PITCH2 0MM CN606 BI12S250001 CONNECTOR 25P 1 0MM CN607 BI12S800421 FFC CONNECTOR P 25MM CN608 BI12S1800061 CONNECTOR 18PINS 1 25MM FB601 BI18A843556N000 FILTER BEAD 843556 FB602 BI18A843556N000 FILTER BEAD 843556 FB603 BI18A843556N000 FILTER BEAD 843556 FB605 BI18A843556N000 FILTER BEAD 843556 PWB BI2511...

Страница 64: ...3 14 Packing materials and accessories parts list ACCESSORY Packing tape FRONT Block No M M M 3 P1 P6 A10 A9 P9 A1 P2 P5 P7 A3 A5 A7 A8 A6 A2 P8 A4 P4 P3 P10 ...

Страница 65: ...11 CAUTION SHEET A 7 BI11F2000SA01 VIDEO LINER CAR A 8 BI23A0094 PLUG CONVERSION US A 8 BI23A0261 PLUG CONVERSION UX A 9 MXGA3V SPBOX L SPEAKER BOX L A 10 MXGA3V SPBOX R SPEAKER BOX R P 1 BI4313441U CARTON BOX P 2 BI4511363 POLY FORM LEFT P 3 BI4511373 POLY FORM RIGHT x P 4 BI4710321 POLY BAG SET P 5 BI4511451 SH FOAMED MAT P 6 BI4005355 BAG PV REMOTE CONTROL P 7 BI4710311 POLY BAG INSTRUCTIONS P ...

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