JVC MX-KB1 MX-KB2 Service Manual Download Page 69

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3-11

Display board

Block No. [0][3]

R818

OW07-75153-50

C RESISTOR

15 Kohm 1/8W

R819

OW07-75153-50

C RESISTOR

15 Kohm 1/8W

R820

OW07-75047-10

C RESISTOR

4.7 ohm 1W

R821

OW07-75563-50

C RESISTOR

56 Kohm 1/8W

R823

OW07-75102-50

C RESISTOR

1 Kohm 1/8W

R824

OW07-75103-50

C RESISTOR

10 Kohm 1/8W

R825

OW07-75331-50

C RESISTOR

330 ohm 1/8W

R826

OW07-75331-50

C RESISTOR

330 ohm 1/8W

R827

OW07-75103-50

C RESISTOR

10 Kohm 1/8W

R829

OW07-75102-50

C RESISTOR

1 Kohm 1/8W

R830

OW07-75563-50

C RESISTOR

56 Kohm 1/8W

R831

OW07-75103-50

C RESISTOR

10 Kohm 1/8W

R832

OW07-75103-50

C RESISTOR

10 Kohm 1/8W

R837

OW07-75102-50

C RESISTOR

1 Kohm 1/8W

R853

OW07-75472-50

C RESISTOR

4.7 Kohm 1/8W

R860

OW07-75472-50

C RESISTOR

4.7 Kohm 1/8W

R861

OW07-75472-50

C RESISTOR

4.7 Kohm 1/8W

R862

OW07-75103-50

C RESISTOR

10 Kohm 1/8W

R863

OW07-75103-50

C RESISTOR

10 Kohm 1/8W

R864

OW07-75103-50

C RESISTOR

10 Kohm 1/8W

R867

OW07-75000-50

C RESISTOR

0 ohm 1/8W

R868

OW07-75000-50

C RESISTOR

0 ohm 1/8W

R870

OW07-75000-50

C RESISTOR

0 ohm 1/8W

R871

OW07-75473-50

C RESISTOR

47 Kohm 1/8W

R872

OW07-75473-50

C RESISTOR

47 Kohm 1/8W

R877

OW07-75223-50

C RESISTOR

22 Kohm 1/8W

R878

OW07-75102-50

C RESISTOR

1 Kohm 1/8W

R879

OW07-75122-50

C RESISTOR

1.2 Kohm 1/8W

R880

OW07-75122-50

C RESISTOR

1.2 Kohm 1/8W

R881

OW07-75183-50

C RESISTOR

18 Kohm 1/8W

R882

OW07-75183-50

C RESISTOR

18 Kohm 1/8W



R883

OW07-15033-80

FUSE RESISTOR

3.3 ohm 1/4W

KB1

R884

OW07-75103-50

C RESISTOR

10 Kohm 1/8W

R885

OW07-75103-50

C RESISTOR

10 Kohm 1/8W

R886

OW07-75561-50

C RESISTOR

560 ohm 1/8W

R887

OW07-75561-50

C RESISTOR

560 ohm 1/8W

R901

OW07-74561-40

C RESISTOR

560 ohm 1W

R902

OW07-74561-40

C RESISTOR

560 ohm 1W

L801

OW09-34004-80

CHOKE COIL

Spring 2mH

L802

OW09-34004-80

CHOKE COIL

Spring 2mH

L804

OW09-00080-00

CHOKE COIL

8mH

L805

OW09-00080-00

CHOKE COIL

8mH

AC3

OW37-00002-80

EYELET

F 2 X 4 mm

AC5

OW37-00002-80

EYELET

F 2 X 4 mm

AC6

OW37-00002-80

EYELET

F 2 X 4 mm

AC7

OW37-00002-80

EYELET

F 2 X 4 mm

AC8

OW37-00002-80

EYELET

F 2 X 4 mm

AC9

OW37-00002-80

EYELET

F 2 X 4 mm

AC-B

OW37-00002-80

EYELET

F 2 X 4 mm

AC-L

OW37-00002-80

EYELET

F 2 X 4 mm

AC-N

OW37-00002-80

EYELET

F 2 X 4 mm

AC10

OW37-00002-80

EYELET

F 2 X 4 mm

AC11

OW37-00002-80

EYELET

F 2 X 4 mm

AC110

OW37-00002-80

EYELET

F 2 X 4 mm

AC110V

AC127

OW37-00002-80

EYELET

F 2 X 4 mm

AC127V

AC220

OW37-00002-80

EYELET

F 2 X 4 mm

AC220V

AC230

OW37-00002-80

EYELET

F 2 X 4 mm

AC230-240V

CE802

OW06-72228-20B

E CAPACITOR

2200uF 25V

CE803

OW06-75107-20

E CAPACITOR

100uF 50V

CE804

OW06-72477-20

E CAPACITOR

470uF 25V

CE805

OW06-75106-20

E CAPACITOR

10uF 50V

CE806

OW06-72107-20

E CAPACITOR

100uF 25V

CE807

OW06-71107-20

E CAPACITOR

100uF 16V

CE808

OW06-72107-20

E CAPACITOR

100uF 25V

CE809

OW06-72107-20

E CAPACITOR

100uF 25V

CE810

OW06-71107-20

E CAPACITOR

100uF 16V

CE811

OW06-75476-20

E CAPACITOR

47uF 50V

CE829

OW06-75228-80

E CAPACITOR

2200uF 50V

CE830

OW06-75228-80

E CAPACITOR

2200uF 50V

CE861

OW06-71107-20

E CAPACITOR

100uF 16V

CE862

OW06-71107-20

E CAPACITOR

100uF 16V

CE865

OW06-72107-20

E CAPACITOR

100uF 25V

CE866

OW06-75106-20

E CAPACITOR

10uF 50V



Symbol No.

Part No.

Part Name

Description

Local

CN801

OW20-11020-80

CONNECTOR

CN802

OW20-11070-80

CONNECTOR

CN803

OW20-12110-80

CONNECTOR

11P

CN804

OW20-45041-80

CONNECTOR

CN861

OW20-11050-80

CONNECTOR

KB1

CN861

OW20-41051-37

CONNECTOR

KB2

CN901

OW20-15040-80

CONNECTOR

CN902

OW20-41051-37

CONNECTOR

KB1

CN902

OW20-11050-80

CONNECTOR

KB2

GND1

OW37-00002-80

EYELET

F 2 X 4 mm

J901

OW12-00006-81

SPEAKER JACK

NSX-1

JK901

OW12-21235-80

HEADPHONE JACK F 3.5 mm

JW836

OW07-74472-50T

C RESISTOR

4.7 Kohm 1/8W

JW901

OW09-00080-00

CHOKE COIL

8mH

JW902

OW09-00080-00

CHOKE COIL

8mH



RL801

OW16-50212-00

RELAY SWITCH

OSA-SS-212DM5

DC12V

XXXXX

OW20-61133-00

CONNECTOR WIRE 13P Main CN205 KB1

XXXXX

OW08-04344-83

FERRITE CORE

For Headphone

KB1

XXXXX

OW39-10001-81

FUSE HOLDER

F801-F804(x4)

XXXXX

OW81-00707-80

BUSHING

for U802

XXXXX

OW81-00707-80

BUSHING

for U803

XXXXX

OW11-01002-01

POWER PCB

XXXXX

OW11-01002-04

HEADPHONE PCB

XXXXX

OW11-01002-06

SPEAKER PCB

XXXXX

OW11-01002-17

VOL SELE PCB

XXXXX

OW25-83120-80

CONNECTOR WIRE 2P A1B1 to A2B2

XXXXX

OW84-00003-80

CABLE TIE

4 UL



Symbol No.

Part No.

Part Name

Description

Local

U500

PT6311

OW03-16311-80

D500

1N4148

DIODE

OW02-04148-81

C500

OW05-73104-06F

C CAPACITOR

0.1uF

C501

OW05-73104-06F

C CAPACITOR

0.1uF

C502

OW05-73221-00

C CAPACITOR

220pF

C503

OW05-73221-00

C CAPACITOR

220pF

C504

OW05-73474-03T

C CAPACITOR

B47K

C505

OW05-73474-03T

C CAPACITOR

B47K

C506

OW05-73104-06F

C CAPACITOR

0.1uF

R500

OW07-75563-06F

C RESISTOR

56 Kohm 1/16W

R501

OW07-75101-06F

C RESISTOR

100 ohm 1/16W

R503

OW07-75681-06F

C RESISTOR

680 ohm 1/16W

R504

OW07-75273-06F

C RESISTOR

27 Kohm 1/16W

R505

OW07-75471-06F

C RESISTOR

470 ohm 1/16W

R506

OW07-75681-06F

C RESISTOR

680 ohm 1/16W

R507

OW07-75821-06

C RESISTOR

820 ohm 1/16W

R508

OW07-75102-06F

C RESISTOR

1 Kohm 1/16W

R509

OW07-75122-06

C RESISTOR

1.2 Kohm 1/16W

R510

OW07-75152-06F

C RESISTOR

1.5 Kohm 1/16W

R511

OW07-75182-06F

C RESISTOR

1.8 Kohm 1/16W

R512

OW07-75222-06F

C RESISTOR

2.2 Kohm 1/16W

R513

OW07-75272-06

C RESISTOR

2.7 Kohm 1/16W

R514

OW07-75392-06

C RESISTOR

3.9 Kohm 1/16W

R515

OW07-75562-06F

C RESISTOR

5.6 Kohm 1/16W

R516

OW07-75822-06F

C RESISTOR

8.2 Kohm 1/16W

R518

OW07-75273-06F

C RESISTOR

27 Kohm 1/16W

R519

OW07-75471-06F

C RESISTOR

470 ohm 1/16W

R520

OW07-75681-06F

C RESISTOR

680 ohm 1/16W

R521

OW07-75821-06

C RESISTOR

820 ohm 1/16W

R522

OW07-75102-06F

C RESISTOR

1 Kohm 1/16W

R523

OW07-75122-06

C RESISTOR

1.2 Kohm 1/16W

R524

OW07-75152-06F

C RESISTOR

1.5 Kohm 1/16W

R525

OW07-75182-06F

C RESISTOR

1.8 Kohm 1/16W

R526

OW07-75222-06F

C RESISTOR

2.2 Kohm 1/16W

R527

OW07-75272-06

C RESISTOR

2.7 Kohm 1/16W

R528

OW07-75392-06

C RESISTOR

3.9 Kohm 1/16W

R529

OW07-75562-06F

C RESISTOR

5.6 Kohm 1/16W



Symbol No.

Part No.

Part Name

Description

Local

Summary of Contents for MX-KB1 MX-KB2

Page 1: ...f Japan Limited No MB284 2004 8 COMPACT COMPONENT SYSTEM MB284 2004 8 MX KB2 MX KB1 TABLE OF CONTENTS 1 PRECAUTION 1 3 2 SPECIFIC SERVICE INSTRUCTIONS 1 6 3 DISASSEMBLY 1 7 4 ADJUSTMENT 1 27 5 TROUBLESHOOTING 1 31 Area suffix UW Brazil Mexico Peru ...

Page 2: ...B Signal To Noise Ratio 85 dB Wow And Flutter Unmeasurable Tuner FM Tuner 87 5 MHz 108 0 MHz AM Tuner 530 kHz 1710 kHz at AM10 kHz channel space 531 kHz 1710 kHz at AM9 kHz channel space Unit Dimensions 276 mm 315 mm 456 mm W H D Mass Approx 8 kg Speaker Specifications SP MXKB2 SP MXKB1 each unit Type 2 way bass reflex type Speaker Unit Woofer 13 cm cone 1 Tweeter 5cm cone 1 Power Handling Capacit...

Page 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...

Page 4: ... laser diode in the optical pickup The tester s internal power source can easily destroy the laser diode 1 6 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 ...

Page 5: ...lock failed or defeated AVOID DIRECT EXPOSURE TO BEAM e VARNING Synlig och osynling laserstrålning när den öppnas och spärren är urkopplad Betrakta ej strålen s VARO Avattaessajasuojalukitus ohitettuna tai viallisena olet alttiina näkyvälle ja näkymättömälle lasersäteilylle Vältä säteen kohdistumista suoraan itseesi f ADVARSEL Synlig og usynlig laserstråling når maskinen er åben eller interlocken ...

Page 6: ...1 6 No MB284 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS ...

Page 7: ...ur screws B at taching the top cover and the side cover R and L Move the top cover in the direction of the arrow to release from the front panel at the two joints a 3 Remove the six screws D on the back of the body and the two screws E on the side of the body Move the side cover R and L backward to release the four joints b on the bot tom of the side covers Fig 1 Fig 2 A A Top cover Top cover Fron...

Page 8: ...1 8 No MB284 Fig 3 Fig 4 Fig 5 Fig 6 D D Side cover R Side cover L Side cover R Front panel assembly E b E b Side cover L Front panel assembly Joint b ...

Page 9: ...y 3 1 3 Removing the CD fitting See Fig 8 to 10 How to eject the CD tray without turning power on Prior to performing the following procedure remove the top cover side cover R and L 1 Turn over the CD changer mechanism unit and turn the loading pulley gear at e in the inner part of the notch of the main board to move the CD tray forward 2 Move the CD fitting in the direction of the arrow to releas...

Page 10: ...100 CN101 and CN207 on the main board at the bottom of the CD changer mechanism unit and disconnect the card wire from con nector CN103 If necessary release the band attaching the wires 5 From the side of the body remove the two screws F attach ing the CD changer mechanism unit 6 From the back of the body remove the two screws G at taching the CD changer mechanism unit 7 Move the CD changer mechan...

Page 11: ...B284 1 11 Fig 13 Fig 14 Fig 15 Fig 16 AUX board CN504 Front panel assembly CN802 Power board CN803 CN801 CD changer mechanism unit CN207 CN101 CN100 CN103 Main board CD changer mechanism unit G G Rear panel ...

Page 12: ...01 on the tuner board 2 From the back of the body remove the two screws H the two screws J and the two screws K attaching the tuner board respectively 3 Remove the two screws L attaching the tuner board holder Caution You can remove the tuner board without removing the CD changer mechanism unit and the rear panel Fig 17 Fig 18 H K J Tuner board CN601 Tuner board Tuner board holder L ...

Page 13: ... Disconnect the wire from connector CN901 on the speaker terminal board 2 From the back of the body remove the two screws M at taching the speaker terminal board Reference You can remove the speaker terminal board without detaching the CD changer mechanism unit and the rear panel Fig 19 Fig 20 Speaker terminal board CN901 Rear panel M Rear panel Rear cover ...

Page 14: ...r CN861 on the power board 2 Disconnect the earth wire from the base chassis on the bot tom of the right side of the body 3 From the bottom of the body remove the two screws N at taching the front panel assembly 4 Release the two joints f on the side of the body and the joint g on the bottom using a screwdriver and remove the front panel assembly forward Fig 21 Fig 22 Rear panel Power board CN861 ...

Page 15: ... No MB284 1 15 Fig 23 Fig 24 f Front panel assembly N N Front panel assembly ...

Page 16: ...attaching the CD switch board Fig 25 Fig 26 3 1 9 Removing the REC select switch board PROGRAM select switch board See Fig 27 Prior to performing the following procedure remove the front panel assembly 1 Remove the three screws U attaching the REC select switch board 2 Remove the three screws Y attaching the CD switch board Fig 27 P Q P Front panel assembly Bracket R T CD switch board Power switch...

Page 17: ...he following procedure remove the front panel assembly 1 Remove the four screws A attaching the LCD board and disconnect the wire from connector CN505 2 Remove the two screws B attaching the STANDBY board Fig 28 Fig 29 LCD board CN505 A A Front panel assembly B STANDBY board Front panel assembly ...

Page 18: ...nd pull out the knob holder 2 Remove the nut and the washer from the volume shaft 3 From the back of the front panel assembly remove the sev enteen screws D attaching the system board 4 Remove the screw E attaching the headphone board fit ting plate and pull out the headphone board 5 Remove the screw F attaching the AUX board fitting plate and pull out the AUX board Fig 30 Fig 31 Volume knob Front...

Page 19: ... No MB284 1 19 Fig 32 Fig 33 Fig 34 Headphone board Fitting plate E Front panel assembly AUX board Fitting plate F Front panel assembly G G Cassette mechanism assembly Front panel assembly ...

Page 20: ...ing the cassette mechanism assembly See Fig 35 Prior to performing the following procedure remove the front panel assembly 1 Remove the six screws G attaching the cassette mecha nism assembly Fig 35 H H H H Rear cover Rear panel ...

Page 21: ...nit 1 From the back of the body remove the four screws H at taching the rear cover 2 From the back of the body remove the two screws J at taching the rear panel 3 Release the two joints h on the bottom of the right and left sides of the rear panel and remove the rear panel The rear panel comes off with the power board and the heat sink Fig 36 Fig 37 Fig 38 Rear panel J h Rear panel Raer panel h ...

Page 22: ...g the notch of rear panel and re move it with the heat sink and the power board forward 2 Remove the four screws M and the four screws N attach ing the board bracket R and L 3 Remove the two screws P and the two screws Q attaching the power board 4 If necessary unsolder the power cord and the wire extend ing from the power transformer assembly Fig 39 Fig 40 Fig 41 Fig 42 Raer panel Power board K K...

Page 23: ...ove the top cover side cover R and L the CD fitting CD changer mechanism unit and the rear cover rear panel 1 Move the cord stopper in the direction of the arrow and dis connect the power cord 2 Remove the four screws R attaching the power transform er assembly If necessary unsolder each wire Fig 43 Power transformer R R ...

Page 24: ...the wire from connector on the main board 3 Move the main board in the direction of the arrow as show in Fig 45 disconnect the wire from connector on the motor board in the inner part of the main board 4 Move the main board turning in the direction of the arrow ash shown in Fig 45 5 Solder the short circuit point on the CD pickup board and disconnect the wire from the CD pickup board Caution When ...

Page 25: ...ng out the six bosses on the inner side of the front panel assembly forward Caution The six bosses are attached with bond Apply the cloth to the product for protect from damage and pull out each boss carefully 2 Disconnect the two wires of the main speaker terminal from the back of the front panel assembly 3 Disconnect the two wires of the sub speaker terminal from the back of the front panel asse...

Page 26: ...peaker sub speaker See Fig 4 Prior to performing the following procedure remove the front cabinet 1 Remove the four screws A attaching the main speaker 2 Remove the two screws B attaching the sub speaker Fig 4 Sub speaker Main speaker B A A ...

Page 27: ...er 10 Frequency counter meter 11 Test tape VT712 for Tape speed and wow flutter VT724 for reference level VT703L for head azimuth adjustment Blank tape for recording 4 2 Measurement conditons Radio section FM 1 kHz 22 5 kHz deviation FM STEREO 1 kHz 67 5 kHz deviation pilot signal 7 5 kHz AM 1 kHz 30 modulation Reference output Headphone output 0 15V 32 Ω Speaker output 1W 2 5V 6 Ω Cassette amp se...

Page 28: ...ew To be use only after head replacement Test tape VT703L Signal output terminal SPK out with 6 ohm load 1 Playback the test tape VT703L 2 Adjust the head azimuth adjusting screw so that the phase difference between the R and L channels is minimized at an output level that is within 20dB of the maximum output level After this adjustment Lock the head azimuth adjusting screw with screw sealant to c...

Page 29: ...ax Tape speed adj Cassette motor Cassette mechanism section caution For adjusting any head be sure to use a screw driver degaussed Main board T100 REC F REC G BIAS FREQUENCY Main board Tuner section AM RF AM RF AM OSC FM OSC FM AM IF VC606 IFT606 IFT605 L604 VC604 L605 FM ANT AM ANT IFT601 CF604 IFT602 FM ANT ...

Page 30: ... of CN401 is 1 8V Caution Before connecting a measuring instrument to the measuring point turn the power of the main unit to OFF After performing a measurement and before disconnecting the measuring instrument again turn the power of the main unit to OFF If a measuring instrument is disconnected while an electric current is being output ot the main unit the pickup of the main unit will be damaged ...

Page 31: ... No MB284 1 31 SECTION 5 TROUBLESHOOTING This service manual does not describe TROUBLESHOOTING ...

Page 32: ... No MB284 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 ...

Page 33: ...ents Wiring diagram Block diagram Standard schematic diagrams Printed circuit boards 2 2 2 4 2 6 2 18 to 22 CD ROM No SML200408 COMPACT COMPONENT SYSTEM No MB287SCH 2004 8 COPYRIGHT 2004 Victor Company of Japan Limited Area suffix C Canada ...

Page 34: ...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 ...

Page 35: ...2 1 M E M O ...

Page 36: ...CN503 CN601 CN101 CN208 SJ500 AUX INPUT P N 20 61030 00 3 PIN UL2547 30 P 2 L 360 mm P N 20 61133 01 13P UL2547 2651 P 2 L 370 mm P N 25 61260 80 13 PIN UL2896 P 1 25 L 260 mm P N 25 83100 02 P N 25 94060 80 P N 20 2 PIN P N 20 41040 00 4 PIN UL2651 28 P 2 L 50 mm P N 20 41130 00 13 PIN UL2651 28 P 2 L 2 P N 20 61070 00 7 PIN UL2854 30 P 2L 360 mm P N 20 61030 02 3P UL547 30 P 2 L 300 mm J601 J602...

Page 37: ... CN402 CN401 CN501 CN502 CN508 CN506 CN512 CN514 CN513 CN902 CN208 P N 25 61135 80 16 P Ul2896 P 1 L 135 mm P N 25 94060 80 2 PIN UL2468 26 P N 25 83100 02 P N 20 42110 00 11PIN P 2 5 L 250 mm P N 20 41051 37 5P UL2651 28 L 500 mm P N 20 51061 20 6 PIN UL1571 30 P 2 L 100 mm P N 20 41020 00 2 PIN UL2651 28 P 2 L 250 mm P N 20 41101 24 10 PIN UL2651 28 P 2 L 250 mm P N 20 41040 00 4 PIN UL2651 28 P...

Page 38: ...DDRESS BUS DATA BUS VDD 3V VDOT 3 3V U404 TC94A02F CD ROM DECODE MP3 DECODE D A CONVERTER CPU 87EP26F 4K76 L CH R CH SDA REQ SCL U406 TC74HC14 EN500 3 2 1 9V U101 TA8189 4CH Pre Rec AMP with ALC H CASS A L CASS B BIAS OSC R P SWITCH CIRCUIT LOGIC DECK TP 9V REC E H PLAY L REC IC602 TA2149BFN IC600 TC9257 PLL IF STB DATA CK L CH R CH L CH R CH REC SIGNAL OUTPUT 9V U201 TC9422F SYSTEM E VOLUME Tone ...

Page 39: ...MO CATH EMIT 5V RL RL SW1 GND SW2 3CD CHANGER DRIVER SECTION AC PLUG SW1 SW2 D849 D852 VC VC 12V VDD 3 3V U403 TA2092N AL SERVO DRIVER 05 SRAM SDJ 28k x 8 15ns HEADPHONE Q862 8550 12V 9V D806 D809 L7809CV Q803 CE803 100uP 50V D845 IN4001 U803 L7806CV T802 T06910A AC5 AC7 AC10 AC12 AC11 AC8 AC9 AC3 AC4 TRANSFORMER F804 T2 0A 250V GRID VOLTAGE 27V AC 3 3V FILAMENT VOLTAGE 6V TO CPU R862 10k R877 22k...

Page 40: ...2 6 PROTECT CIRCUIT AMP STK402 050 PRE_AMP Standardschematicdiagrams Primary Power amp section ...

Page 41: ...2 7 ...

Page 42: ... SCLK MP3 SDAT MP3 REQ T A B B CUT T MOTO A PHP A PHO A M SW B T SW B PHO B M SW REC SW REC SW JOB A JOB B VDD 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 Vss BOOT VREF KEY1 KEY2 KEY3 POW D STEREO RDS DAT SW2 SW1 STL MD MD DUCK3 DUCK2 DUCK1 BUCK0 DUCK 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 PLL DAT PLL CLK PLL PER VDD 3835 AIN U300 87EP26F 4K76 1 2 3 4 1 2 3 4 ...

Page 43: ...2 9 1 2 3 4 5 6 7 8 9 10 11 12 13 ...

Page 44: ...2 10 3CD 08 00 08 FROM MAIN PCB DISPLAY BOARD MAIN KEY BOARD STANDBY LED Display Key control section ...

Page 45: ...2 11 N KEY BOARD ENCODER VOLUME RIGHT KEY BOARD TOP RIGHT KEY BOARD LEFT KEY BOARD TOP LEFT KEY BOARD ...

Page 46: ...2 12 TC9462F U401 TO MCU CD section ...

Page 47: ...2 13 TOPICKUP TOCDDECK ...

Page 48: ... 39 38 37 36 35 34 33 VSS IO1 IO0 AD15 AD16 WR AD14 AD13 VSS REQ AD6 AD7 AD8 VDDT AD9 AD10 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 VSSX XO XI VDDX CKO VDDP VCOI PDO VSSP IO7 ID6 IO5 VDD IO4 IO3 IO2 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 DE VDD STANDBY VSS VSSL VRAL LO VDAL VDAR RO VRAR VSSR TESTP CKS AD12 AD11 TO MCU SDA REQ SCL MP3 section ...

Page 49: ...3 S 1 0 5 6 R 4 3 S Q 6 7 8 T 9 0 16 45 14 13 12 11 10 9 8 7 6 5 4 3 2 1 GND IO3 IO2 IO1 AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 AD12 AD14 AD16 NC IO4 IO5 IO6 IO7 IO8 CE1 AD10 OE AD11 AD9 AD8 AD13 WE CE2 AD15 VDD 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 ...

Page 50: ...2 16 RGND FM RF LOW CUT MIX OUT VCC AM IF FM IF GND AGC Q MP DET OUT IF REQ ST DSC OUT AM OSC FM OSC AM RF RF VCC FM RF O IC602 TA2149B FN Tuner section ...

Page 51: ...OF THE COMPONENT VOLT AGE TESTED A T THE FM MODE NO SIGNAL INPUT STA TUS AM IF FM IF GND AGC QUAD R OUT L OUT LPF2 LPF1 MPX IN DET OUT IF REQ ST DSC OUT C 02 TA2149B FN PLL_PER PLL_CLK PLL_DATA CD_EN ST DGND 5 6V 12V TU_L AGND TU_R ...

Page 52: ...2 18 Main board forward side Printed circuit boards ...

Page 53: ...2 19 reverse side ...

Page 54: ...2 20 Display board forward side reverse side ...

Page 55: ...2 21 Tuner board forward side reverse side ...

Page 56: ...2 22 forward side reverse side Trans board ...

Page 57: ...2 23 M E M O ...

Page 58: ...Victor Company of Japan Limited No MB287SCH Printed in Japan WPC AV MULTIMEDIA COMPANY AUDIO VIDEO SYSTEMS CATEGORY 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japan ...

Page 59: ...re 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 KB2 MX KB1 3 2 3 6 3 14 Area suffix UW Brazil Mexico Peru MB284 ...

Page 60: ...s list Main board Main K Block No M M M 1 2 1 47 48 43 6 3 70 34 35 68 68 68 5 22 8 11 9 25 45 46 12 41 76 10 59 59 18 28 19 4 38 33 44 39 38 17 72 72 23 26 24 21 14 14 32 32 33 65 13 29 31 30 20 27 58 44 58 58 42 7 60 64 63 63 67 67 64 80 79 77 78 ...

Page 61: ...ard Key board 50 51 73 52 64 69 64 53 15 56 15 71 59 59 59 40 36 64 64 37 55 55 60 60 49 57 57 0 57 61 61 57 57 64 64 62 62 59 59 64 74 83 F802 F803 F804 F801 87 89 90 88 64 54 91 57 63 65 65 66 66 85 86 62 65 65 16 84 75 68 64 ...

Page 62: ...NOB 32 OW55 00005 80 LATCH x2 33 OW55 00005 81 LATCH HOLDER x2 34 OW55 01001 00 JVC BADGE 35 OW60 01001 02 FRONT PANEL 36 OW60 01001 01 TOP CABINET 37 OW61 01001 00 HEATSINK COVER 38 OW63 00303 80 DAMPER GEAR for CASS DOOR x2 39 OW65 01001 00 SIDE PANEL L 40 OW65 01001 01 SIDE PANEL R 41 OW66 01001 00 3 CD DOOR 42 OW66 01001 01 CASS DOOR L 43 OW66 01001 02 CASS DOOR R 44 OW36 00005 80 CASS SPRING ...

Page 63: ...02B 80 OW12 10035 12 PHONE JACK F3 5 ST 101 83 OW15 01002 05 POWER TRANS EI 76 KB1 83 OW15 01002 02 POWER TRANS EI 76 KB2 84 OW12 00006 81 SPK TERMINAL CJ 0007 040 85 OW16 60014 80 VOL SELECTOR 86 OW48 01001 14 BRACKET VOLTAGE SELECTOR 87 OW33 57402 02 FUSE F801 4A 250V 88 OW33 57402 02 FUSE F802 4A 250V 89 OW33 57202 03W FUSE F803 2A 250V 90 OW33 57402 02 FUSE F804 4A 250V 91 OW30 00300 01L AC CO...

Page 64: ...C CAPACITOR 560pF C101 OW05 73561 00 C CAPACITOR 560pF C102 OW05 73221 00 C CAPACITOR 220pF C104 OW05 73391 05 C CAPACITOR 390pF C105 OW05 73391 05 C CAPACITOR 390pF C106 OW05 73820 00 C CAPACITOR 82pF C107 OW05 73820 00 C CAPACITOR 82pF C108 OW05 73561 00 C CAPACITOR 560pF C109 OW05 73561 00 C CAPACITOR 560pF C110 OW05 73561 00 C CAPACITOR 560pF C111 OW05 73561 00 C CAPACITOR 560pF C120 OW05 7310...

Page 65: ...3 06 C RESISTOR 51 Kohm 1 16W R126 OW07 75562 06F C RESISTOR 5 6 Kohm 1 16W R127 OW07 75562 06F C RESISTOR 5 6 Kohm 1 16W R128 OW07 75221 06F C RESISTOR 220 ohm 1 16W R129 OW07 75103 06F C RESISTOR 10 Kohm 1 16W R131 OW07 75104 06F C RESISTOR 100 Kohm 1 16W R132 OW07 75104 06F C RESISTOR 100 Kohm 1 16W R133 OW07 75472 06F C RESISTOR 4 7 Kohm 1 16W R134 OW07 75473 06F C RESISTOR 47 Kohm 1 16W R135 ...

Page 66: ... Symbol No Part No Part Name Description Local R348 OW07 75103 06F C RESISTOR 10 Kohm 1 16W R350 OW07 75103 06F C RESISTOR 10 Kohm 1 16W R351 OW07 75103 06F C RESISTOR 10 Kohm 1 16W R354 OW07 75223 06F C RESISTOR 22 Kohm 1 16W R355 OW07 75331 06 C RESISTOR 330 ohm 1 16W R357 OW07 75222 06F C RESISTOR 2 2 Kohm 1 16W R358 OW07 75334 06F C RESISTOR 330 Kohm 1 16W R361 OW07 74101 50T C RESISTOR 100 oh...

Page 67: ...60 80 CONNECTOR 6P CO2 OW06 70108 20 E CAPACITOR 1000uF 10V KB2 EC100 OW06 71476 20 E CAPACITOR 47uF 16V EC101 OW06 70227 20 E CAPACITOR 220uF 10V Symbol No Part No Part Name Description Local EC102 OW06 70227 20 E CAPACITOR 220uF 10V EC103 OW06 75475 20 E CAPACITOR 4 7uF 50V EC104 OW06 75475 20 E CAPACITOR 4 7uF 50V EC105 OW06 75475 20 E CAPACITOR 4 7uF 50V EC106 OW06 75475 20 E CAPACITOR 4 7uF 5...

Page 68: ... 70 CRYSTAL 16 9344MHz XXXXX OW20 51061 20 CONNECTOR WIRE 6P To CD Pick up XXXXX OW20 61030 00 CONNECTOR WIRE 3P For Play header XXXXX OW20 61070 00 CONNECTOR WIRE 7P For R P Header XXXXX OW20 61073 11 CONNECTOR WIRE 7P To Power PCB XXXXX OW39 00013 80 HEAT SINK CDT13 for U403 XXXXX OW11 01002 00 MAIN PCB XXXXX OW25 61135 80 FFC CABLE 16P XXXXX OW25 61260 80 CABLE 13P Symbol No Part No Part Name D...

Page 69: ...CE829 OW06 75228 80 E CAPACITOR 2200uF 50V CE830 OW06 75228 80 E CAPACITOR 2200uF 50V CE861 OW06 71107 20 E CAPACITOR 100uF 16V CE862 OW06 71107 20 E CAPACITOR 100uF 16V CE865 OW06 72107 20 E CAPACITOR 100uF 25V CE866 OW06 75106 20 E CAPACITOR 10uF 50V Symbol No Part No Part Name Description Local CN801 OW20 11020 80 CONNECTOR 2P CN802 OW20 11070 80 CONNECTOR 7P CN803 OW20 12110 80 CONNECTOR 11P C...

Page 70: ...C945 P TRANSISTOR OW01 00945 80 Q609 2SC945 P TRANSISTOR OW01 00945 80 Q611 2SC945 P TRANSISTOR OW01 00945 80 D601 1N4148 DIODE OW02 04148 81 D602 1N4148 DIODE OW02 04148 81 D603 1N4148 DIODE OW02 04148 81 D604 1N4148 DIODE OW02 04148 81 ZD601 3 3V0 5W Z DIODE OW02 50033 80T C600 OW05 73104 00 C CAPACITOR 0 1uF C601 OW05 73330 05 C CAPACITOR 33pF C602 OW05 73330 05 C CAPACITOR 33pF C603 OW05 73104...

Page 71: ...m 1 8W R654 OW07 75473 50 C RESISTOR 47 Kohm 1 8W R655 OW07 75104 50 C RESISTOR 100 Kohm 1 8W R656 OW07 75104 50 C RESISTOR 100 Kohm 1 8W R657 OW07 75104 50 C RESISTOR 100 Kohm 1 8W R660 OW07 75103 50 C RESISTOR 10 Kohm 1 8W R661 OW07 75332 50 C RESISTOR 3 3 Kohm 1 8W L601 OW09 65035 80 FM COIL F3 5 X 61 20 5 L602 OW09 65035 80 FM COIL F3 5 X 61 20 5 L603 OW09 70101 82T COIL 10mH L604 OW09 35040 8...

Page 72: ...3 14 Packing materials and accessories parts list Block No M M M 3 P3 P1 P4 P6 A1 A2 A5 P8 P5 P7 A7 A8 P2 A4 A3 A6 ...

Page 73: ...A 7 MXKB1UW SPBOX L SPEAKER BOX L OW00 01001 10 KB1 A 7 MXKB2UW SPBOX L SPEAKER BOX L OW00 01002 03 KB2 A 8 MXKB1UW SPBOX R SPEAKER BOX R OW00 01001 10 KB1 A 8 MXKB2UW SPBOX R SPEAKER BOX R OW00 01002 03 KB2 P 1 OW85 00025 81A POLY BAG P 2 OW85 90710 84 POLY BAG P 3 OW81 01001 04 SHEET SPONGE KB1 P 3 OW81 01001 03 SHEET SPONGE KB2 P 4 OW86 01001 01 POLYFOAM RIGHT P 5 OW85 92434 40 POLY BAG P 6 OW8...

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