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JVC MX-GA77, Руководство по обслуживанию

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MX-GA77

3-12

Item

Parts number

Parts name

Area

Electrical parts list (Main board)

Remarks

Block No. 01

A

EC07R

2301-000454

M.CAPACITOR

5.6NF 10% 50V

EC08L

2301-000216

M.CAPACITOR

220NF 5% 50V

EC08R

2301-000216

M.CAPACITOR

220NF 5% 50V

EC09L

2301-000216

M.CAPACITOR

220NF 5% 50V

EC09R

2301-000216

M.CAPACITOR

220NF 5% 50V

EC10L

2201-000368

C.CAPACITOR

0.22NF 10% 50V

EC10R

2201-000368

C.CAPACITOR

0.22NF 10% 50V

EC101

2301-000361

M.CAPACITOR

1.2NF 10% 50V

EC102

2301-000375

M.CAPACITOR

100NF 10% 50V

EC103

2201-000783

C.CAPACITOR

100NF +80-20% 50V

EC11L

2201-000368

C.CAPACITOR

0.22NF 10% 50V

EC11R

2201-000368

C.CAPACITOR

0.22NF 10% 50V

ED102

0401-000101

DIODE

1N4148 100V

EE01L

2401-001912

E.CAPACITOR

1UF 20% 50V

EE01R

2401-001912

E.CAPACITOR

1UF 20% 50V

EE02L

2401-001912

E.CAPACITOR

1UF 20% 50V

EE02R

2401-001912

E.CAPACITOR

1UF 20% 50V

EE03L

2401-001917

E.CAPACITOR

1UF 20% 50V

EE03R

2401-001912

E.CAPACITOR

1UF 20% 50V

EE04L

2401-001912

E.CAPACITOR

1UF 20% 50V

EE04R

2401-001912

E.CAPACITOR

1UF 20% 50V

EE05L

2401-001912

E.CAPACITOR

1UF 20% 50V

EE05R

2401-001912

E.CAPACITOR

1UF 20% 50V

EE06L

2401-001919

E.CAPACITOR

2.2UF 20% 50V

EE06R

2401-001919

E.CAPACITOR

2.2UF 20% 50V

EE07L

2401-001917

E.CAPACITOR

1UF 20% 50V

EE07R

2401-001912

E.CAPACITOR

1UF 20% 50V

EE08L

2401-001917

E.CAPACITOR

1UF 20% 50V

EE08R

2401-001917

E.CAPACITOR

1UF 20% 50V

EE101

2401-000438

E.CAPACITOR

10UF 20% 25V

EE102

2401-001511

E.CAPACITOR

47UF 20% 16V

EE103

2401-000778

E CAPACITOR

220UF 20% 10V

EE107

2401-001954

E.CAPACITOR

4.7UF 20% 50V

EE108

2401-001954

E.CAPACITOR

4.7UF 20% 50V

EE109

2401-000759

E.CAPACITOR

220NF 20% 50V

EIC01

1204-001776

IC

TDA7442D 28P

EIC02

1201-000191

IC

BA4558 8P DIP

EJ101

3722-000379

JACK-PIN

4P/2C 3.5MM

EQ101

0501-002409

TRANSISTOR

KTC945Y 600MW

ER01L

2001-000786

CARBON RESISTOR

47K 5% 1/8W

ER01R

2001-000786

CARBON RESISTOR

47K 5% 1/8W

ER02L

2001-000591

CARBON RESISTOR

3.3K 5% 1/8W

ER02R

2001-000591

CARBON RESISTOR

3.3K 5% 1/8W

ER03L

2001-000411

CARBON RESISTOR

18K 5% 1/8W

ER03R

2001-000411

CARBON RESISTOR

18K 5% 1/8W

ER04L

2001-000411

CARBON RESISTOR

18K 5% 1/8W

ER04R

2001-000411

CARBON RESISTOR

18K 5% 1/8W

ER05L

2001-000515

CARBON RESISTOR

220 5% 1/8W

ER05R

2001-000515

CARBON RESISTOR

220 5% 1/8W

ER06L

2001-000786

CARBON RESISTOR

47K 5% 1/8W

ER06R

2001-000786

CARBON RESISTOR

47K 5% 1/8W

ER07L

2001-000591

CARBON RESISTOR

3.3K 5% 1/8W

ER07R

2001-000591

CARBON RESISTOR

3.3K 5% 1/8W

ER08L

2001-000786

CARBON RESISTOR

47K 5% 1/8W

ER08R

2001-000786

CARBON RESISTOR

47K 5% 1/8W

ER09L

2001-000290

CARBON RESISTOR

10K 5% 1/8W

ER09R

2001-000290

CARBON RESISTOR

10K 5% 1/8W

ER10L

2001-000273

CARBON RESISTOR

100K 5% 1/8W

ER10R

2001-000273

CARBON RESISTOR

100K 5% 1/8W

ER101

2001-000515

CARBON RESISTOR

220 5% 1/8W

ER102

2001-000515

CARBON RESISTOR

220 5% 1/8W

ER103

2001-000023

CARBON RESISTOR

47 5% 1/4W

ER104

2001-000023

CARBON RESISTOR

47 5% 1/4W

ER109

2001-000290

CARBON RESISTOR

10K 5% 1/8W

ER110

2001-000773

CARBON RESISTOR

470K 5% 1/8W

ER111

2001-000515

CARBON RESISTOR

220 5% 1/8W

ER112

2001-000645

CARBON RESISTOR

330K 5% 1/8W

ER113

2001-000989

CARBON RESISTOR

820K 5% 1/8W

ER13L

2001-000864

CARBON RESISTOR

56K 5% 1/8W

ER13R

2001-000864

CARBON RESISTOR

56K 5% 1/8W

ER14L

2001-000008

CARBON RESISTOR

15K 5% 1/8W

ER14R

2001-000008

CARBON RESISTOR

15K 5% 1/8W

ER15L

2001-000290

CARBON RESISTOR

10K 5% 1/8W

ER15R

2001-000290

CARBON RESISTOR

10K 5% 1/8W

ER16L

2001-000003

CARBON RESISTOR

330 5% 1/8W

ER16R

2001-000003

CARBON RESISTOR

330 5% 1/8W

ER17L

2001-000003

CARBON RESISTOR

330 5% 1/8W

ER17R

2001-000003

CARBON RESISTOR

330 5% 1/8W

EZD01

0403-000372

ZENER DIODE

UZ9.1BM 9.1V

EZD02

0403-000372

ZENER DIODE

UZ9.1BM 9.1V

HC01L

2201-000642

C.CAPACITOR

0.68NF 10% 50V

HC01R

2201-000642

C.CAPACITOR

0.68NF 10% 50V

HE01L

2401-001912

E.CAPACITOR

1UF 20% 50V

HE01R

2401-001912

E.CAPACITOR

1UF 20% 50V

HE02L

2401-001164

E.CAPACITOR

33UF 20% 16V

HE02R

2401-001164

E.CAPACITOR

33UF 20% 16V

HE101

2401-000830

E.CAPACITOR

220UF 20% 25V

HE102

2401-000830

E.CAPACITOR

220UF 20% 25V

HE103

2401-001511

E.CAPACITOR

47UF 20% 16V

HIC01

1201-000461

IC

BA4558 8P SOIC

HQ01L

0501-002375

TRANSISTOR

KTC8050 625MW

HQ01R

0501-002375

TRANSISTOR

KTC8050 625MW

HR01L

2001-000449

CARBON RESISTOR

2.2K 5% 1/8W

HR01R

2001-000449

CARBON RESISTOR

2.2K 5% 1/8W

HR02L

2001-000449

CARBON RESISTOR

2.2K 5% 1/8W

HR02R

2001-000449

CARBON RESISTOR

2.2K 5% 1/8W

HR03L

2001-000734

CARBON RESISTOR

4.7K 5% 1/8W

HR03R

2001-000734

CARBON RESISTOR

4.7K 5% 1/8W

HR04L

2001-000290

CARBON RESISTOR

10K 5% 1/8W

HR04R

2001-000290

CARBON RESISTOR

10K 5% 1/8W

HR05L

2001-000019

CARBON RESISTOR

10 5% 1/2W

HR05R

2001-000019

CARBON RESISTOR

10 5% 1/2W

HR06L

2001-000591

CARBON RESISTOR

3.3K 5% 1/8W

HR06R

2001-000591

CARBON RESISTOR

3.3K 5% 1/8W

HR101

2001-000028

CARBON RESISTOR

100 5% 1/2W

HR102

2001-000019

CARBON RESISTOR

10 5% 1/2W

HR103

2001-000890

CARBON RESISTOR

6.8K 5% 1/8W

HR104

2001-000290

CARBON RESISTOR

10K 5% 1/8W

JC00L

2201-000368

C.CAPACITOR

0.22NF 10% 50V

JC00R

2201-000368

C.CAPACITOR

0.22NF 10% 50V

JC01L

2201-000642

C.CAPACITOR

0.68NF 10% 50V

JC01R

2201-000642

C.CAPACITOR

0.68NF 10% 50V

JC02L

2301-000379

M.CAPACITOR

10NF 10% 50V

JC02R

2301-000379

M.CAPACITOR

10NF 10% 50V

JC03L

2301-000375

M.CAPACITOR

100NF 10% 50V

JC03R

2301-000375

M.CAPACITOR

100NF 10% 50V

JC04L

2301-000375

M.CAPACITOR

100NF 10% 50V

JC04R

2301-000375

M.CAPACITOR

100NF 10% 50V

JC05L

2301-000430

M.CAPACITOR

33NF 10% 50V

JC05R

2301-000430

M.CAPACITOR

33NF 10% 50V

JC06L

2201-000674

C.CAPACITOR

0.82NF 10% 50V

JC06R

2201-000674

C.CAPACITOR

0.82NF 10% 50V

JC101

2201-000557

C.CAPACITOR

0.47NF 10% 50V

JC102

2301-000407

M.CAPACITOR

2.7NF 10% 50V

JC103

2301-000404

M.CAPACITOR

2.2NF 10% 50V

JC104

2301-000404

M.CAPACITOR

2.2NF 10% 50V

Item

Parts number

Parts name

Area

Remarks

A

Содержание MX-GA77

Страница 1: ...r pickup Replacement of laser pickup Trouble shooting Description of major ICs 1 2 1 3 1 4 1 5 1 18 1 19 1 23 1 24 1 24 1 25 1 29 42 Area suffix J U S A C Canada SP MXGA77 SP MXGA77 CA MXGA77 CD 1 DISC CHANGE DISPLAY CD 2 CD 3 TUNING STANDBY RANDOM PROGRAM DUBBING REC START STOP CD REC START SET CLOCK TIMER CANCEL DEMO SOUND TURBO TAPE A B REPEAT PHONES TUNING C O M P A C T C O M P O N E N T S Y S...

Страница 2: ...uct antenna terminals knobs metal cabinet screw heads headphone jack 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 particularly any expose...

Страница 3: ...n against risk of fire replace only with same type 5A 125V for RFS2 6 3A 125V for RFS5 and RFS6 8A 125V for RFS7 and RFS8 This symbol specifies type of fast operating fuse Precaution Pour eviter risques de feux remplacez le fusible de surete de et RFS2 comme le meme type que 5A 125V et 6 3A 125V pour RFS5 et RFS6 et 8A 125V pour RFS7 et RFS8 Ce sont des fusibles suretes qui functionnes rapide ...

Страница 4: ...The tester s internal power source can easily destroy the laser diode 4 Handling the traverse unit optical pickup 1 Do not subject the traverse 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 text Remove the anti...

Страница 5: ...he card wire attached to CD changer unit on the adhesion tape Disconnect the card wire from the connector CW105 on the CD board Disconnect the harness from the connector CW104 on the main board Remove the two screws C attaching the CD changer unit to the rear panel Remove the two screws D attaching the CD changer unit to both sides of the front panel assembly Draw the CD changer unit upward from b...

Страница 6: ... board to the front panel assembly Remove the screw H attaching the front panel assembly to bottom of the body Release the two joints1 and two joints2 and detach the front panel assembly toward the front 1 2 3 4 5 6 7 Removing the front panel assembly See Fig 8 to 10 Fig 6 Fig 7 Fig 5 CW104 CD board CD changer unit Main board CW105 Rear panel C D both sides Rear panel CD changer unit Front panel a...

Страница 7: ...nward 1 2 3 4 Removing the heat sink amp board See Fig 8 11 and 12 Prior to performing the following procedure remove the metal cover Disconnect the card wire from the connector CON01 on the tuner board Remove the two screws L attaching the tuner board to the rear panel 1 2 Removing the tuner board See Fig 12 and 13 Prior to performing the following procedure remove the metal cover CD changer unit...

Страница 8: ... 14 Removing the power cord See Fig 14 Prior to performing the following procedure remove the metal cover CD changer unit and rear panel Disconnect the power cord from the connector PW101 on the power supply board and pull up the power cord stopper upward 1 Prior to performing the following procedure remove the metal cover CD changer unit and heat sink amp board Disconnect the power cord from the ...

Страница 9: ...he following procedure remove the front panel assembly Removing the CD switch board See Fig 1 Front panel assembly Prior to performing the following procedure remove the front board You can pull out the headphone jack board 1 Removing the headphone jack board See Fig 3 Disconnect the card wire from the connector on the mecha board Remove the six screws C attaching the cassette mechanism assembly 1...

Страница 10: ...y as shown fig 3 then mount the CD tray When assembling the CD tray take extreme care not engage with gear synchro 1 2 Prior to performing the following procedure remove the CD changer unit Removing the CD tray See Fig 1 and 2 Reinstall the CD tray See Fig 3 and 4 CD changer unit Fig 2 Fig 1 Fig 3 Fig 4 Loading pulley gear CD changer uint reverse side CD board CD tray CW103 CD tray Gear convert Ge...

Страница 11: ...g 5 Prior to performing the following procedure remove the CD tray and sensor board Remove the screw B attaching the turn tray Detach the turn tray from the base tray Pull outward the tab b attaching the turn tray motor on the base tray and detach the turn tray motor 1 2 Removing the turn tray motor See Fig 6 and 7 Introductory notes Base tray Turn tray CD tray Fig 7 Fig 6 Tab a Tab b Sensor board...

Страница 12: ... harness from connector on the CD board Remove the screw C attaching the switch board and release the two tabs e attaching the switch board outward and detach the switch board Remove the two screws D attaching the CD board First release the two tabs f and two tabs g attaching the motor then release the CD board If the tabs f and g are hard to release it is recommendable to unsolder the two soldere...

Страница 13: ...CD mechanism holder assembly Pull outward the stopper fixing the shaft on the left side and remove the CD mechanism holder assembly from behind in the direction of the arrow y Turn the CD mechanism holder assembly half around the lift up slide shaft h of the CD mechanism holder assembly until the turn table is reversed and pull out the CD mechanism holder assembly 1 2 3 Removing the CD mechanism h...

Страница 14: ...ing the pickup unit Removing the feed motor See Fig 1 Remove the two motor fixing screws at B and removing the feed motor Removing the spindle motor Removing the motor board See Fig 2 1 Unsolder the motor terminal on the motor board 2 Remove the moter board The spindle motor cannot be removed as a single unit When removing the spindle motor change the chasis and turntable together as aunit Fig 2 F...

Страница 15: ...assette mechanism assembly 1 2 1 2 Removing the R P head See Fig 1 and 2 Remove the screw C fixing the erase head 1 Remove the erase head See Fig 1 Pull out the pinch roller stopper Pull out the pinch roller Remove the pinch roller See Fig 3 Cassette mechanism section Fig 1 Fig 2 Fig 3 R P Head R P Head E Head Spring Pinch roller A A B B C Pinch roller Pinch roller stopper ...

Страница 16: ...r solder parts b Remove the two screws E attaching the mecha board 1 2 Removing the mechanism board See Fig 5 Remove the cut washer at c from the capstan shaft then remove the flywheel When reassembling the flywheel be sure to use new washers as they cannot be reused 1 Removing the flywheel See Fig 7 and 9 Fig 5 Fig 4 Drive belt Drive belt Drive belt Motor Motor terminal Plastic cover Claw Motor c...

Страница 17: ...the side panel See Fig 1 Remove the four screws B attaching the side speaker Pull out the side speaker and remove the speaker cord from the speaker terminal 1 2 Removing the side speaker See Fig 2 and 3 Speaker section It is exchange in a unit Please do not decompose as much as possible Side panel Side speaker Side speaker Speaker terminal Fig 1 A A A B Fig 2 Fig 3 ...

Страница 18: ...107 CW105 CW2 CW1 CW3 AAN1 CD mechanism RFS2 Power transformer PCW1 PW101 ACW1 ACW2 Front board 3809 001434 3809 001211 3809 001228 AH39 20002D AH39 00022A AH39 00247A AH39 00060A 3809 001259 AH39 00295A AH39 00338A 3809 001413 AH39 20561P 3809 001121 AH38 12001A 3809 001034 Amp board CD switch board Tuner board Main board Headphone J board Color codes are shown below 1 Brown 2 Red 3 Orange 4 Yell...

Страница 19: ...stment Output 1 7 0 0 5V Received FREQ Adjustment point 530 1710 KHz MO AM MW RF Adjustment ITEAM 600 KHz MA Maximum Output Fig 1 TESTER MAIN PCB VT GND Fig 1 OSC Voltage Adjustment method 1 Tuner Adjustment Location of Tuner PCB ...

Страница 20: ...g 2 IF CENTER and THD Adjustment SSG FREQ Adjustment point SVR1 98 MHz BEACON SENSITIVITY SEMI VR 10K FM S S G GND 28 dB FM S S G Output GND Speaker Terminal FM Antenna Terminal Distortion Meter Input SET Input output Oscilloscope FM IN FM Antenna SET 20 k OUTPUT AM SSG 450KHZ INPUT AM ANT IN Speaker Terminal 60cm AM IF VTVM Oscilloscope AM MW I F Adjustment Maximum output Fig 4 SSG FREQ Frequency...

Страница 21: ...TVM is connected to the scope To adjust plabyback level REC 1 Adjust Deck 1 Play Level To Adjust Remark Standard Pre Setup Item Step Pre Setup Condition To Adjust 1 Deck 1 VT 712 2 Press PLAY SW button 3 Deck 2 Same as above SPK OUT connected to the frequency counter NOR SPEED Control Turn VSR1 to left and right FRONT PCB 1 Measuring tape i VT 712 MTT 111 or equivalent Tapes recorded with 3kHz ii ...

Страница 22: ... Pre Setup Item Step Pre Setup Condition To Adjust SPK OUT VTVM is connected to the scope After putting VT 703 into Deck 2 1 Press FWD PLAY button Turn the control screw to as shown in Fig 3 Max output and same phase both channels After adjustment secure it with REGION LOCK Recording Bias Voltage After putting AC 225 into Deck 2 1 Press REC PLAY button 2 TAPE PCB JCW3 connectted to VTVM Turn JSR2L...

Страница 23: ...rox 3 7sec Pin 34 of KB9226 IC101 Approx 0 4V 2 50V Tracking error waveform at TOC reading Power ON Play Key Confirm that the voltage at the pin37 of KB9226 IC101 is 3 5V Confirm that the signal from pin24 of KB9226 IC101 is 3 5V as a accelerated pulse during approx 1 96s Confirm the waveform of the Tracking error signal at the pin 34 of KB9226 IC101 TOC reading Play a disc Confirm the eye pattern...

Страница 24: ...When the life of the laser diode has expired the following symptoms will appear 1 The level of RF output EFM output amplitude of eye pattern will below 1 Cleaning the pick up lens Before you replace the pick up please try to clean the lens with a alcohol soaked cotton swab The semi fixed resistor on the APC printed circuit board which is attached to the pickup is used to adjust the laser power Sin...

Страница 25: ...1 25 MX GA77 Troubleshooting 1 Amplifier Power malfunction No output ...

Страница 26: ...MX GA77 1 26 2 Tuner malfunction FM AM 3 Tape ...

Страница 27: ...1 27 MX GA77 4 CD ...

Страница 28: ...MX GA77 1 28 5 CD MP3 parts ...

Страница 29: ...INT1 T0HCP AN9 P72 INT2 T0IN NKIN AN12 P73 INT3 T0IN AN13 S0 T0 S19 PC3 S18 PC2 S17 PC1 S16 PC0 VDD3 S15 T15 S14 T14 S13 T13 S12 T12 S11 T11 S10 T10 S9 T9 S8 T8 S7 T7 S6 T6 S5 T5 S4 T4 S3 T3 S2 T2 S1 T1 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 5...

Страница 30: ...release input Timer 1 event input Timer 0L capture input Timer 0H capture input 4bit input output port Data direction can be specified for each bit Use of pull up resistor can be specified for each bit Other functions P70 INT0 input HOLD release input Timer0L capture input Output for watchdog timer P71 INT1 input HOLD release input Timer0H capture input P72 INT2 input HOLD release input Timer 0 ev...

Страница 31: ...r functions General purpose input port When not in use connect to VDD1 AD input port AN10 Output for 32 768kHz crystal oscillation Other functions General purpose input port When not in use set to oscillation mode and leave open circuit AD input port AN11 Input terminal for ceramic oscillator Output terminal for ceramic oscillator Function I O S32 to S39 S40 to S47 S48 to S51 RES XT1 XT2 CF1 CF2 K...

Страница 32: ...ZC Gen EQO PD LD LPFT TEIO TZC SSTOP ATSC TEO TEM SLP SLO SLM FEO FEM SPDLO SPDLM EQI RFO RFM EQC VREF PDE PDF PDBD PDAC ISTAT MCK MDATA MLT RESET WDCK CLVI LOCK ASY EFM 5 45 46 44 43 6 7 8 9 10 11 14 13 15 16 17 19 18 20 22 21 24 23 30 29 25 26 27 28 29 36 33 34 35 37 38 39 41 40 42 47 48 1 2 3 EFMI DCCI DCC0 MCP DCB VCC VDD FRSH FSET FLB FGD FSI TGU S1L9226X TEO TEM SLP SLO SLM ISTAT MCK MDATA M...

Страница 33: ...nverting input Spindle amp output Sled servo inverting input Sled servo output Sled servo noninverting input Tracking servo amp inverting input Tracking servo amp output Focus servo amp inverting input Focus servo amp output pin Main ground Tracking zero crossing input Check the position of pick up wherther inside or not Tracking error output Tracking servo input Tracking error integration input t...

Страница 34: ...LCHOUT RCHOUT VHALF VREF 1 bit DAC Digital Out Digital Filter C2PO DATX SADTI LRCKI BCKI S5L9290X DSP DAC 48 LQFP 0707 VSSA_PLL VCO1LF VSSD_PLL VDDD_PLL XIN XOUT EFMI LOCK SMEF C2PO JITB DATX VDDD3 5V VDDD2 3V SBCK SQDT SMON TESTV SMDS WDCK MUTE BCKI 1 2 3 4 5 6 7 8 9 10 11 12 36 35 34 33 32 31 30 29 28 27 26 25 13 14 15 16 17 18 19 20 21 22 23 24 48 47 46 45 44 43 42 41 40 39 38 37 VDDD1_5V VSSD1...

Страница 35: ...nput The Lock status output of frame sync 4 2336MHz clock output System Reset at L Latch signal input from Micom Serial data input from Micom Serial data receiving clock input from Micom The internal status output to Micom Subcode sync signal S0 S1 output Subcode Q data transfering bit clock input Subcode Q data serial output System mute at H Digital Power 3V Power Internal Logic Digital Ground In...

Страница 36: ... EQOUT R TAI R PBOUT R NC RECIN R NC RECOUT R ALC ON OFF High Norm A B MUTE ON OFF Function PB EQ feed back NAB output EQ output Tape input PB output NC pin REC EQ input NC pin REC output Mode control input Mode control input Mode control input Mode control input Pin No 15 16 17 18 19 20 21 22 23 24 25 26 Symbol REC MUTE OFF ON Vcc GND IREF Test mode RECOUT L NC RECIN L NC PBOUT L Function Mode co...

Страница 37: ...ssed Tied to LOW in normal operation Write Read data from MCU to CD MP3 Data strobe signal from MCU Micom command identifier from MCU to CD MP3 Data from CD MP3 to MCU Intertupt output to MCU Data BUS Data BUS Wtite enable Row address strobe Data BUS Data BUS Colume address strobe Address output Control output to make data output to High Z at DRAM Function Ground Output 1 Phase compensation Motor ...

Страница 38: ...100nF 100nF 5 6K BIN R BOUT R 79dB CONTROL 79dB CONTROL 15 13 19 18 50K 0 47 F 50K 0 47 F 50K 0 47 F 50K 0 47 F 50K 0 47 F 50K 0 47 F 50K 31 5dB control R IN3 R IN2 R IN1 31 5dB control L IN2 L IN3 L IN4 5 6 7 3 2 1 Vref OFF SURR OFF SURR RB FIX FIX VAR RB FIX VAR L R 30K 30K 9 8 2 2 F 11 10 2 2 F MUXOUT R IN R MUXOUT L IN L L_IN3 L_IN4 MUXOUTL IN L MUXOUT R BIN R IN R BOUT R BIN L 1 3 2 4 5 6 7 8...

Страница 39: ...OUT 12V a VS OUT 8 6V EN 8 6V EN 12V a GND EN 12V b N C OUT 5 6V VS OUT 12V b TAB CONNECTED TO PIN 6 D97AU716A Pin Pins Description 1 OUT 12V b 12V 1 3A SWITCHED OUTPUT VOLTAGE 2 VS Supply Voltage 3 OUT 5 6V 5 6V 250mA OUTPUT VOLTAGE 4 N C not connected 5 EN 12V b Enable 12V 1 3A SWITCHED OUTPUT VOLTAGE 6 GND Ground 7 EN 12V a Enable 12V 0 8A SWITCHED OUTPUT VOLTAGE 8 EN 8 6V Enable 8 6V 0 6A SWIT...

Страница 40: ...Address Strobe Write Enable Output Enable Data Input Ountput Power 5V or 3 3V Ground No Connect 11 11 11 11 11 4 4 4 CONTROL LOGIC CLOCK GENERATOR COLUMN ADDRESS BUFFER REFRESH CONTROLLER REFRESH COUNTER ROW ADDRESS BUFFERS 11 DATA IN BUFFER DATA OUT BUFFER COLUMN DECODER SENSE AMPLIFIERS I O RATING 2048 x 4 2048 x 2048 x 4 MEMORY ARRAY ROW DECODER Vdd GENERATOR 2048 2048 WE RAS CAS A0 A1 A2 A3 A4...

Страница 41: ... BY 7 TRE 8 SUB 9 GND Vcc 2 Ch1 out 3 Ch1 out 5 Ch2 out 10 Ch1 IN 11 Ch1 NF 13 Ch2 NF 14 Ch2 IN 6 Ch2 out STK412 020 WIC01 Power amp 1 Block diagram 1 3 13 10 12 14 TR1 TR3 TR5 TR7 TR17 TR8 TR9 TR19 TR18 TR20 TR10 TR4 TR2 TR12 TR6 TR16 D2 D12 D1 C2 C12 C1 R1 TR11 TR13 TR14 C11 R11 R4 R14 R5 R51 D51 D41 R41 Comaprator Comaprator SUB TR41 D43 D42 D52 D53 R15 R6 R16 R7 R17 R2 TR15 TR51 R12 R3 R13 15 ...

Страница 42: ... CLKO CLK DI D0 Q0 O0 P0 P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 P11 P12 P13 P14 P15 O7 O8 I7 I8 O15 I15 Q15 DO D15 I0 CLK Pin No 1 2 3 4 5 12 13 14 15 25 26 17 17 24 27 28 Pin Name VSS RESET CLK LATCH P15 P8 LATCHO CLKO DO1 DO2 DI1 DI2 P7 P0 PULLUP VDD I O I I I I O O O O I O I Function Ground Reset pin Clock input pin Latch input pin Parallel data I O pins Latch output pin Clock output pin Serial data ou...

Страница 43: ...1 43 MX GA77 M E M O ...

Страница 44: ... No 22001 MX GA77 VICTOR COMPANY OF JAPAN LIMITED AV MULTMEDIA COMPANY AUDIO VIDEO SYSTEM CATEGORY 10 1 1 chome Ohwatari machi maebashi city 371 8543 Japan Printed in Japan 200305 ...

Страница 45: ...M No SML200305 Area suffix J U S A C Canada SP MXGA77 SP MXGA77 CA MXGA77 CD 1 DISC CHANGE DISPLAY CD 2 CD 3 TUNING STANDBY RANDOM PROGRAM DUBBING REC START STOP CD REC START SET CLOCK TIMER CANCEL DEMO SOUND TURBO TAPE A B REPEAT PHONES TUNING C O M P A C T C O M P O N E N T S Y S T E M M X G A 7 7 R O C K P O P CLASSIC D A N C E H A L L STADIUM SOUND MODE VOLUME EJECT EJECT SUBWOOFER LEVEL PRESE...

Страница 46: ...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 47: ...M STAND BY SW101 OP CL SW107 SW102 106 SW201 212 SW301 313 TAPE DECK B DECK A DECK VFD REMOCON IC201 DSP IC601 MP3 Decoder IC602 DRAM IC301 4ch Motor D IC101 RF AMP SS Processor IC402 Motor D IC401 Motor D Power amp FIC01 TO SPEAKER TO WOOFER Power amp WIC01 CON 01 CW103 CW101 UCW01 UCW02 UCW03 UCW04 CW106 CW105 UCW05 TUNER CW01B H P CW108 CW105 CW104 CW109 CW110 CW106 ACW2 ACW1 JIC01 TAPE IC ...

Страница 48: ...matic diagrams To UCW01 Sheet 2 5 To CON01 Sheet 5 5 To CW106 Sheet 4 5 TUNER signal MAIN signal CD signal CIRCUIT DESCRIPTION Main FL display System control Amp CD Tuner SHEET NUMBER 1 5 2 5 3 5 4 5 5 5 MX GA77 JUS MAIN KTC8050 KTC8050 KTC8050 KTC8050 NI NI ...

Страница 49: ...2 3 MA GA77 E F G SHEET 1 5 To ACW1 Sheet 3 5 To ACW2 Sheet 3 5 Parts are safety assurance parts When replacing those parts make sure to use the specified parts gnal TAPE REC signal TAPE P B signal ...

Страница 50: ...MX GA77 2 4 A B C D 1 2 3 4 5 To CW101 Sheet 1 5 MX GA77 fornt FL display System control section UCW03 UCW05 ...

Страница 51: ...2 5 MA GA77 E F G SHEET 2 5 To CW105 Sheet 4 5 UCW04 UCW02 ...

Страница 52: ...MX GA77 2 6 A B C D 1 2 3 4 5 Amp section To CW106 Sheet 1 5 To CW105 Sheet 1 5 MX GA77 JUS amp ...

Страница 53: ...2 7 MA GA77 E F G SHEET 3 5 Parts are safety assurance parts When replacing those parts make sure to use the specified parts MAIN signal ...

Страница 54: ...MX GA77 2 8 A B C D 1 2 3 4 5 CD section To Switc To CW2 Sensor board ...

Страница 55: ...2 9 MA GA77 E F G SHEET 4 5 CD signal To CW104 SHEET 1 5 To UCW04 SHEET 2 5 To CW3 Switch board ...

Страница 56: ...MX GA77 2 10 A B C D 1 2 3 4 5 Tuner section To CW103 SHEET 1 5 ...

Страница 57: ...2 11 MA GA77 E F G FM TUNER signal AM signal SHEET 5 5 ...

Страница 58: ...MX GA77 2 12 A B C D 1 2 3 4 5 Main board M Printed circuit boards ...

Страница 59: ...2 13 MA GA77 E F G Main board ...

Страница 60: ...MX GA77 2 14 A B C D 1 2 3 4 5 CD switch boa Front board Front board ...

Страница 61: ...2 15 MA GA77 E F G h board oard ...

Страница 62: ...MX GA77 2 16 A B C D 1 2 3 4 5 Amp board ...

Страница 63: ...2 17 MA GA77 E F G ...

Страница 64: ...MX GA77 2 18 A B C D 1 2 3 4 5 CD servo board ...

Страница 65: ...2 19 MA GA77 E F G Fuse board Trans board Power supply board ...

Страница 66: ...No 22001SCH MX GA77 Printed in Japan 200305 VICTOR COMPANY OF JAPAN LIMITED AV MULTMEDIA COMPANY AUDIO VIDEO SYSTEM CATEGORY 10 1 1 chome Ohwatari machi maebashi city 371 8543 Japan ...

Страница 67: ...arts list Block No M1 Exploded view of general assembly and parts list Block No M2 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 04 Packing materials and accessories parts list Block No M3 M5 MX GA77 3 2 3 6 3 7 3 9 3 11 3 22 Area suffix J U S A C Canada ...

Страница 68: ...ist Block No M M M 1 CD changer mechanism Cassette mechanism Main board CD switch board Phone jack board 44 44 B x2 37 x2 38 x2 F x2 G x2 40 1 15 13 13 14 3 7 6 2 A 5 D 27 26 30 4 39 41 9 23 8 11 22 C C C 28 16 53 19 17 20 28 21 12 54 34 36 31 J B A B C D 1 2 3 4 5 24 1 24 2 24 3 J ...

Страница 69: ...a a b b Main board Front board Phone jack board Fuse board Trans board Amp board Tuner board RFS5 RFS2 RFS6 RFS7 RFS8 C C C C E G C D C D 53 17 28 12 29 32 54 42 56 33 45 L6 47 57 D D D D 43 C 46 32 34 H J L7 L8 L1 D E F G 25 1 25 2 25 3 ...

Страница 70: ...H68 01253A RATING LABEL J 1 AH68 01253B RATING LABEL C 1 L6 AH68 50252B FUSE LABEL 1 L7 AH68 00331C FCC LABEL 1 L8 AH68 00331D HHS LABEL J 1 11 AH64 02262B KNOB REC 1 12 AH64 02263B KNOB REPEAT 1 13 AH64 02264B KNOB SOUND 2 14 AH64 02265B KNOB VOLUME 1 15 AH64 02266B DECO RING 1 16 AH64 02267B KNOB TURBO 1 17 AH64 02268B KNOB TAPE 1 19 AH64 02270B KNOB FUNCTION L 1 20 AH64 02271B KNOB FUNCTION R 1...

Страница 71: ... 2 39 AH61 00552A DOOR SPRING A 1 40 AH61 00553A DOOR SPRING B 1 41 AH64 00462C BADGE JVC 1 42 AH64 30416E BOTTOM CABINET 1 43 AH64 30390K TOP CABINET 1 44 AH69 20031A CUSHION FOOT 2 45 AH63 00250B HEAT SINK COVER 1 46 AH62 00080A HEAT SINK 1 MAIN 47 AH26 00228A TRANS POWER A 1 120V 40 5 40 4 53 AH07 00098A VF DISPLAY 1 54 CASSETTE MECHA 1 CWM43FF09 56 AH39 00258J POWER CORD A 1 57 AH40 00051A TUN...

Страница 72: ...Parts name Area A Parts list General assembly Q ty Description Block No M2MM 1 AH81 00959E SIDE PANEL 1 RIGHT AH81 00959F SIDE PANEL 1 LEFT 2 AH81 01121A SCREW 5 4 0X40MM BK 3 AH81 00959M SPEAKER 1 130MM 6OHM 120W 4 AH81 00959Z SCREW 4 3 5MMX16MM BK 5 AH91 00959X SHEET 1 EVA 2 1 3 5 4 SPEAKER BOX ...

Страница 73: ...MX GA77 3 7 12 26 CD changer mechanism assembly and parts list Block No M M M A 1 2 8 7 3 4 6 5 27 19 20 21 10 9 11 14 23 25 24 17 18 22 16 15 13 Base main Tray stopper CD sub board ...

Страница 74: ...PN 09120 11 AH66 20193A GEAR ROULETTE 1 POM M90 44 BLK 12 AH66 90056A TRAY ROULETTE 1 ABS XR 401 BLK 13 AH66 90055A TRAY DISC 1 ABS XR 401 BLK 14 AH32 10001F SENSOR 1 KPI L06 15 AH61 20428A 1 BASE MAIN 1 CMS 300 BLK 16 3302 000159 MAGNET FERRITE 1 3500 3800G 6P 17 AH66 90053A TABTE CHUCK UNI 1 BLK CMS300 18 AH63 00068B SHEET CHUCK 1 HYMERON BLK 0 4 19 3404 000101 SWICH MICRO 1 MLS 24 20 AH31 10021...

Страница 75: ...st below can be supplied However parts that are not listed below cannot be supplied individually but only by purchasing the whole Cassette Mechanism Assembly Unit When ordering use the Parts No AH59 01132A for Cassette Mechanism Assembly Unit CWM43FF09 15 15 16 16 1 2 11 8 8 4 11 7 10 13 12 14 7 3 3 5 6 1 ...

Страница 76: ...SSY 1 50 093 4879 5 AH81 00902G BF BELT 1 02 083 4236 6 AH81 00902J AF BELT 1 02 083 4234 7 AH81 00902K FR BLET 2 02 083 4188 8 AH81 00902L SOLENOID ASSY 2 50 093 4748 10 AH81 00902Q HOUSING 1 6216016100 11 AH81 00472V CLUTCH ASSY 2 50 093 4503 12 AH81 00902W MODE SWITCH 1 MPU11570MLB0 13 AH81 00902X PHOTO INTERRUPT 1 RP1352 14 AH81 00902Y LEAF SWITCH 1 LSA11355 15 AH81 00903A SPRING62 2 01 082 46...

Страница 77: ...16 2001 000977 CARBON RESISTOR 8 2K 5 1 8W AR117 2001 000281 CARBON RESISTOR 100 5 1 8W AR118 2001 000508 CARBON RESISTOR 220K 5 1 8W AR119 2001 000281 CARBON RESISTOR 100 5 1 8W AR120 2001 000281 CARBON RESISTOR 100 5 1 8W AR121 2001 000802 CARBON RESISTOR 5 6K 5 1 8W AR122 2001 000522 CARBON RESISTOR 22K 5 1 8W AR123 2001 000258 CARBON RESISTOR 1 8K 5 1 8W AR124 2001 000331 CARBON RESISTOR 12K 5...

Страница 78: ...20 5 1 8W ER103 2001 000023 CARBON RESISTOR 47 5 1 4W ER104 2001 000023 CARBON RESISTOR 47 5 1 4W ER109 2001 000290 CARBON RESISTOR 10K 5 1 8W ER110 2001 000773 CARBON RESISTOR 470K 5 1 8W ER111 2001 000515 CARBON RESISTOR 220 5 1 8W ER112 2001 000645 CARBON RESISTOR 330K 5 1 8W ER113 2001 000989 CARBON RESISTOR 820K 5 1 8W ER13L 2001 000864 CARBON RESISTOR 56K 5 1 8W ER13R 2001 000864 CARBON RESI...

Страница 79: ...258 DIODE BRIDGE A GBU606 600V 6A PBD03 0402 001077 DIODE BRIDGE A KBP202G 200V 2A PCB AH41 00555A PCB MAIN MX GA77 PC201 2201 000161 C CAPACITOR A 10NF 80 20 500V PC202 2201 000161 C CAPACITOR A 10NF 80 20 500V PC203 2201 000161 C CAPACITOR A 10NF 80 20 500V PD201 0402 000127 DIODE 1N4002 100V 1A PD202 0402 000127 DIODE 1N4002 100V 1A PD203 0402 000127 DIODE 1N4002 100V 1A PD204 0402 000127 DIODE...

Страница 80: ...FR162 2001 000522 CARBON RESISTOR 22K 5 1 8W FR201 2001 000034 CARBON RESISTOR 220 5 1 4W FR202 2001 000034 CARBON RESISTOR 220 5 1 4W FR203 2001 000034 CARBON RESISTOR 220 5 1 4W FR204 2001 000855 CARBON RESISTOR 560 5 1 4W FR205 2001 000995 CARBON RESISTOR 820 5 1 8W FR206 2001 000429 CARBON RESISTOR 1K 5 1 8W FR207 2001 000221 CARBON RESISTOR 1 2K 5 1 8W FR208 2001 000241 CARBON RESISTOR 1 5K 5...

Страница 81: ...4 001123 DIGI TRANSISTOR KRC103M 400MW FR324 0504 001123 DIGI TRANSISTOR KRC103M 400MW FR325 0504 001123 DIGI TRANSISTOR KRC103M 400MW FR326 0502 001063 TRANSISTOR KTD2092 25W FR327 0501 002409 TRANSISTOR KTC945B 625MW FR328 0501 000422 TRANSISTOR KTA1273 FR329 0501 000422 TRANSISTOR KTA1273 FR330 0501 000422 TRANSISTOR KTA1273 FR331 0501 002375 TRANSISTOR KTC8050 625MW FR332 0501 002375 TRANSISTO...

Страница 82: ...MOCON GP1U281R SHARP UIC03 0904 001621 IC PT8300 28P UIC04 0904 001621 IC PT8300 28P UX101 2801 001394 CRYSTAL 32 768KHZ 20PPM VFD AH07 00098A VF DISPLAY BJ904GNK ZD101 0403 000341 ZENER DIODE UZ3 3B 3 3V ZD102 0403 000341 ZENER DIODE UZ3 3B 3 3V ZD103 0403 000341 ZENER DIODE UZ3 3B 3 3V ZD104 0403 000361 ZENER DIODE UZ6 2BSB 6 2V ...

Страница 83: ...TRANSISTOR KTC8050 625MW AQ603 0501 002375 TRANSISTOR KTC8050 625MW ARL1 3501 001197 RELAY 12VDC 0 54W AR10L 2001 000591 CARBON RESISTOR 3 3K 5 1 8W AR10R 2001 000591 CARBON RESISTOR 3 3K 5 1 8W AR101 2003 000008 OMF RESISTOR 100 5 1W AR102 2001 000660 CARBON RESISTOR 33K 5 1 8W AR103 2001 000429 CARBON RESISTOR 1K 5 1 8W AR104 2001 000258 CARBON RESISTOR 1 8K 5 1 8W AR11L 2001 000429 CARBON RESIS...

Страница 84: ...147 FUSE CLIP HRFS7 3602 000147 FUSE CLIP HRFS8 3602 000147 FUSE CLIP PCB AH41 00554A PCB AMP 247 163 1 6T PCW1 3711 000588 CONNECTOR 10P 1R 2 5MM ST PW101 3711 000190 CONNECTOR 2P 1R 7 92MM ST RFS2 3601 001248 FUSE A 125V 5A RFS5 3601 001285 FUSE A 125V 6 3A RFS6 3601 001285 FUSE A 125V 6 3A RFS7 3601 001201 FUSE A 125V 8A RFS8 3601 001201 FUSE A 125V 8A SPK 3716 001164 TERMINAL BLOCK SOLDER 8P 6...

Страница 85: ...APACITOR 100UF 20 10V C303 2401 000240 E CAPACITOR 100UF 20 10V C304 2203 000260 CHIP CAPACITOR 10NF 10 50V C305 2203 000260 CHIP CAPACITOR 10NF 10 50V C401 2203 000260 CHIP CAPACITOR 10NF 10 50V C402 2203 000260 CHIP CAPACITOR 10NF 10 50V C403 2203 000203 CHIP CAPACITOR 100NF 10 16V C501L 2401 001954 E CAPACITOR 4 7MF 20 50V C501R 2401 001954 E CAPACITOR 4 7MF 20 50V C502L 2203 001537 CHIP CAPACI...

Страница 86: ...RESISTOR 100K 5 1 10W R501R 2007 000282 CHIP RESISTOR 100K 5 1 10W R502L 2007 000290 CHIP RESISTOR 100 5 1 10W R502R 2007 000290 CHIP RESISTOR 100 5 1 10W R601 2007 000468 CHIP RESISTOR 1K 5 1 10W R602 2007 000468 CHIP RESISTOR 1K 5 1 10W R603 2007 000468 CHIP RESISTOR 1K 5 1 10W R604 2001 000515 CARBON RESISTOR 220 5 1 8W R605 2001 000429 CARBON RESISTOR 1K 5 1 8W R801 2007 000468 CHIP RESISTOR 1...

Страница 87: ...MX GA77 3 21 M E M O ...

Страница 88: ...MX GA77 3 22 Packing materials and accessories parts list Block No M M M 3 Block No M M M 5 A1 A6 A7 A2 A8 A9 P5 A5 A3 A4 P3 P1 P7 P8 P8 P2 P4 P6 REMOCON ASSY ...

Страница 89: ...SHION TOP 1 SPEAKER BOX P 7 AH81 00929R CUSHION BOTTOM 1 SPEAKER BOX P 8 AH81 00631U PORY BAG 2 SPEAKER BOX Item Parts number Parts name Area A Parts list Accessories Q ty Description Block No M5MM A 1 AH68 01227A INSTRUCTIONS J 1 LVT1010 001A AH68 01227C INSTRUCTIONS C 1 LVT1010 002A A 2 AH59 01163B REMOCON ASSY 1 A 3 AH38 10001A FM ANTENNA 1 A 4 AH42 20001P AM ANTENNA 1 A 5 BATTERY 2 A 6 AH68 00...

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