JVC RC-EX30B Service Manual Download | Manualshive

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(No.MB279)1-3

SECTION 1

PRECAUTION

This service manual does not describe PRECAUTION.

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Summary of Contents for RC-EX30B

Page 1: ...O P PROGRAM CLOCK SET HBS PRESET EQ PRESET UP PRE SET DOW N DISPLAY TAPE CD BAND RANDOM TUNER GROUP REMOTE SENSOR TAPE FM MODE BEAT CUT PROGRAM CLOCK SET UP DOWN INTRO HBS PRESET EQ REPEAT STANDBY ON DISPLAY MUTING PRESET VOLUME RM SRCEX30J REMOTE CONTROL 1 2 3 4 5 6 7 8 9 0 OVER CD RANDOM TUNER BAND GROUP Area suffix A Australia B U K E Continental Europe EN Northern Europe EV Eastern Europe SERV...

Page 2: ...FM Ferrite core antenna for AM Cassette deck Frequency response 60 Hz 10 000 Hz Wow flutter 0 15 WRMS Fast wind time Approx 150 sec C 60 cassette General Speakers 9 cm cone 2 Speaker impedance 4 Ω Output power 4 W 2 W 2 W at 4 Ω 10 THD Output terminals PHONES 1 Power supply AC 230 V 50 Hz DC 9 V R20 SUM 1 D 13D size batteries 6 Power consumption 18 W at operation 3 W on standby Dimensions 420 mm 1...

Page 3: ... No MB279 1 3 SECTION 1 PRECAUTION This service manual does not describe PRECAUTION ...

Page 4: ...1 4 No MB279 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS ...

Page 5: ...k of the body 2 Remove the battery cover on the back of the body and re move the two screws D attaching the rear cover assembly 3 Move the rear cover assembly in the direction of the arrow and remove At this time disconnect the wire from connec tor CN406 and FM ANT on the main board Fig 1 Fig 2 Fig 3 C B C A D A A D Battery cover FM ANT Top cover assembly Rear cover assembly Tuner board CN406 Fron...

Page 6: ... the six screws E and the two screws F attaching the top cover 4 Draw out the top cover assembly from the front panel as sembly section backward 5 Disconnect the wire from connector CN501 and CN506 on the main board and disconnect the card wire from connec tor CN507 and CN508 6 Disconnect the wire from board connector CON301 of the cassette mechanism assembly Fig 4 Fig 5 Fig 6 Fig 7 Fig 8 tab a ta...

Page 7: ...n t observe this instruction the pickup may be damaged 1 Remove the eight screws G attaching the main board on the top cover assembly 2 Disconnect the wire from connector CN501 CN502 CN511 CN202 CN401 and CN504 on the main board 3 Disconnect the card wire from connector CN201 on the main board Caution If necessary cut the band Fig 9 Fig 10 CN504 CN501 CN202 CN201 CN502 G G G G G CN511 Band CN401 U...

Page 8: ... board 1 Remove the three screws H attaching the tuner board Fig 11 3 1 5 Removing the top switch board See Fig 12 Prior to performing the following procedure remove the main board and the tuner board 1 Remove the four screws J attaching the top switch board Fig 12 H H Tuner board J J Top switch board ...

Page 9: ...ur screws L attaching the cover on the side of the power switch 4 Release the three tabs b of the cover on the side of the power switch 5 Remove the three screws M attaching the power switch board to the cover Caution If necessary unsolder the solder points Fig 13 Fig 14 Fig 15 Fig 16 K K Volume board Solder point Top cover assembly Volume board K K Volume knob Switch board Solder point Side top c...

Page 10: ...moving the CD mechanism assembly See Fig 17 Prior to performing the following procedure remove the main board 1 Remove the four screws N attaching the CD mechanism assembly Fig 17 N N CD mechanism assembly Top cover assembly ...

Page 11: ... Q attaching the cassette mecha nism assembly 3 Push Eject button to open the cassette door 4 Pull out the cassette mechanism assembly in the direction of arrow 5 Remove the six screws R attaching the operation board Fig 18 Fig 19 Fig 20 Fig 21 Cassette mechanism cover P P Cassette mechanism assembly Q Q Cassette door EJECT button Cassette mechanism assembly R Button ...

Page 12: ...move the eight screws S attaching the LCD switch board Fig 22 3 1 10 Removing the speaker SeeFig 23 1 Remove the six screws T attaching the speaker bracket 2 Peel the tape and glue off attaching the speaker cord Caution The band comes off when you remove the speaker Fig 23 LCD switch board S S Speaker Speaker Speaker bracket Band Tape Tape Glue T T ...

Page 13: ...ching the power socket 3 Remove the support board attaching the battery board 4 Release the tab d setting the battery board and pull out the battery board 5 If necessary unsolder the solder points Caution When you remove the power transformer the band setting the cord to the screw hole comes off Fig 24 Fig 25 U Battery board V Support board Tape Tab d Battery board Solder point ...

Page 14: ...1 14 No MB279 SECTION 4 ADJUSTMENT This service manual does not describe ADJUSTMENT ...

Page 15: ...R TA2149 POWER AMP TA8227 PLL TC9257 SOURCE SELECTOR TC9422 LCD MCU 4K76 KEY BOARD REMOTE SENSOR FLASH ROM MX29F040 DRAM HY51181 ESS 3890 D A P18211 REMOTE CONTROL CD SERVO TA2092 CD PICKUP CD RF AMP TA2153 DSP TC9462 HCF4052 TAPE AN7312 POWER SUPPLY DC SUPPLY BATT 6x1 5V AC IN ...

Page 16: ...1 16 No MB279 5 2 Standard schematic diagrams 5 2 1 Amp section ...

Page 17: ... No MB279 1 17 ...

Page 18: ...1 18 No MB279 5 2 2 Micon section ...

Page 19: ... No MB279 1 19 ...

Page 20: ...1 20 No MB279 5 2 3 CD section ...

Page 21: ... No MB279 1 21 ...

Page 22: ...1 22 No MB279 5 2 4 MP3 section ...

Page 23: ... No MB279 1 23 ...

Page 24: ...1 24 No MB279 5 2 5 Cassette section ...

Page 25: ... No MB279 1 25 ...

Page 26: ...1 26 No MB279 5 2 6 Tuner section ...

Page 27: ... No MB279 1 27 ...

Page 28: ... No MB279 AV MULTIMEDIA COMPANY AUDIO VIDEO SYSTEMS CATEGORY 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japan Victor Company of Japan Limited WPC Printed in Japan ...

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