JVC RX-DV3SL Service Manual Download Page 7

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RX-DV3SL

1-7

Remove the six screws marked H attaching the heat
sink.

Unsolder the two p

ower ICs solder points

attaching

the rear side of the amplifier board.

Pull out the amplifier board from the bracket hooks
on the heat sink.

Removing the power ICs
(See Fig.13, 14)

Prior to performing the following procedures, remove
the top cover, and rear panel.

Disconnect the amplifier board from the connector
CN201.

Disconnect the amplifier board from the connector
CN212 on the main board.

Disconnect the amplifier board from the wire
connected to the connector CN231 and CN241 on
the main board.

Disconnect the screws marked F frome the ground
wire attaching the amplifier board on the fan bracket.

Disconnect the four screws G attaching the amplifier
board on the body.

Removing the amplifier board
(See Fig.11, 12)

Fig.11

Fig.12

Fig.14

Fig.13

Amplifier board

rear side

Heat sink

Power ICs solder points

Heat sink

Fook

Amplifier board

DSP

board

Amplifier
board

CN201

CN612

CN602

Tie
band

CN212

CN231

CN241

CN231

CN241

CN212

Main

board

Summary of Contents for RX-DV3SL

Page 1: ...G DIGITAL COMPACT SUPER VIDEO SETTING ADJUST MEMORY RX DV3 HOME THEATER DVD CD RECEIVER ON OFF SURROUND MODE FM AM TAPE CDR SOURCE NAME TV VCR DBS DVD CONTROL STANDBY STANDBY ON 2 3 1 5 6 4 8 9 7 VFP 10 0 10 100 TV RETURN VCR DBS DVD TV VIDEO REW TUNING FF REPEAT SLEEP VCR DBS TV AUDIO TAPE TV CDR FM AM FM MODE STROBE EFFECT TV DBS CH ANALOG DIGITAL TEST AUDIO INPUT SUBTITLE CHOICE ENTER ON SCREEN...

Page 2: ...duct 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 expos...

Page 3: ...ype of fast operating fuse Precaution Pour eviter risques de feux remplacez le fusible de surete de F101 comme le meme type que 5A 125V et 2A 125V pour F131 et F132 Ce sont des fusibles suretes qui functionnes rapide Importance administering point on the safety Secondary parts Primary part LVA10332 A2 LVA10330 1 5A 125V F 101 5A 125V 2A 125V F 131 2A 125V F 132 ...

Page 4: ... the text 2 Do not use a tester to check the condition of the laser diode in the optical pickup 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 op...

Page 5: ...ked E attaching the rear panel on the back of the body 1 2 3 Removing the rear panel See Fig 5 Prior to performing the following procedures remove the top cover Disconnect the card wire from the connector CN114 on the main board Remove the five screws marked C attaching the front panel assembly on the bottom of the body Detach the front panel assembly toward the front Release the two joints marked...

Page 6: ...onnector CN412 on the main board 1 2 3 4 Removing each board connected to the rear side of the main board See Fig 6 to 10 Fig 6 Fig 7 Fig 8 DSP board Amplifier board Power Fuse board DSP board CN412 CN201 CN612 CN241 CN212 CN612 Tuner board CN612 CN602 Tie band CN212 F S video board CN602 Amplifier board CN212 G CN231 CN241 DSP board S video board Amplifier board CN231 Fig 9 CN612 CN212 S video bo...

Page 7: ...amplifier board from the connector CN212 on the main board Disconnect the amplifier board from the wire connected to the connector CN231 and CN241 on the main board Disconnect the screws marked F frome the ground wire attaching the amplifier board on the fan bracket Disconnect the four screws G attaching the amplifier board on the body 1 2 3 4 5 Removing the amplifier board See Fig 11 12 Fig 11 Fi...

Page 8: ...1 on the main board Remove the four screws marked K attaching the power supply board on the body Unsolder the solder points at the three harnesses connected to the power supply board 1 2 3 4 5 6 Removing the power supply board See Fig 17 Prior to performing the following procedures remove the top cover rear cover DSP board amplifier board and S video board If necessary cut off the tie band fixing ...

Page 9: ...s CN111 and CN121 on the power supply board and main board Unsolder the three harnesses connected to the power supply board Remove the four screws marked L attaching the power transformer on the body 1 2 3 4 5 Removing the power transformer See Fig 18 19 Prior to performing the following procedures remove the top cover rear cover front panel assembly and power supply board Disconnect the harness c...

Page 10: ...ard Disconnect the card wire from the connector CN301 on the main board Remove the two screws marked O attaching the tuner board on the rear of the side body 1 2 Removing the tuner board See Fig 21 Prior to performing the following procedures remove the top cover rear panel DSP board S video board amplifier board DVD CD unit and tuner board Disconnect the card wire from the connectors CN114 CN125 ...

Page 11: ...CD unit Removing the DVD CD tray See Fig 1 2 DVD CD unit Removing the DVD CD servo board See Fig 3 Disconnect the card wire from the connectors CN101 CN201 and CN202 on the DVD CD servo board Push the two DVD CD servo board hooks marked b and pull out the DVD CD servo board 1 2 Align the rail with the DVD CD tray as shown fig 2 then mount the DVD CD tray 1 Reinstall the DVD CD tray See Fig 1 2 DVD...

Page 12: ...e following procedures remove the DVD CD tray top cover servo board and DVD CD unit Unsolder the solder points at the tray drive motor board Detach the belt from the pulley on the bottom of the DVD CD unit Do not stain the belt with grease Remove the screws marked B attaching the tray drive motor on the DVD CD unit Remove the screws marked C attaching the tray drive motor board on the DVD CD unit ...

Page 13: ...emove the four screws marked D attaching the DVD CD mechanism holder assembly on the DVD CD unit Pull out the DVD CD mechanism holder assembly 1 2 Removing the DVD CD the mechanism holder assembly mechanism included See Fig 7 8 DVD CD unit Fig 7 Fig 8 D D D D DVD CD unit Top cvover DVD CD mechanism holder assembly ...

Page 14: ...requency Range AM 530kHz 1600kHz 10kHz step FM 87 5MHz 108MHz Standard measurement positions of volume and switch Power Standby Light STANDBY Indicator Sub woofer VOL Minimum Sound mode OFF Main VOL 0 Minimum Traverse mecha set position Disc 1 Mic MIX VOL MAX ECHO OFF Precautions for measurement 1 Apply 30pF and 33kohm to the IF sweeper output side and 0 082 F and 100kohm in series to the sweeper ...

Page 15: ...f the power plug Insert the power plug to the outlet while pressing STOP and DVD Button at the same time to be TEST Mode FL display indicates TEST and Area code is indicated at the upper left of the display Area code Press PAUSE button to initialize When an indication of ATT is displayed initialization finishes Push the POWER SW to be standby This player has a TEST MODE for product QC service or r...

Page 16: ... Data Input Pin DAC2 Audio Serial Data Input Pin DAC3 Audio Serial Data Input Pin Audio Serial Data Output Pin Sub Audio Serial Data Input Pin Connect to GND Double Speed Sampling Mode Pin Note 1 L Normal Speed H Double Speed Connect to GND No internal bonding Zero Input Detect Enable Pin Connect to GND L mode 7 disable at parallel mode zero detect mode is selectable by DZFM2 0 bits at serial mode...

Page 17: ...used to reduce power supply noise Positive Voltage Reference Input Pin AVDD Analog Power Supply Pin 4 5V 5 5V Analog Ground Pin 0V Zero Input Detect 1 Pin Note 2 Non connect When the input data of the group 1 follow total 8192 LRCK cycles with 0 input data this pin goes to H Master Clock Input Pin Parallel Serial Select Pin L Serial control mode H Parallel control mode Audio Data Interface Format ...

Page 18: ...O O O O O I I I I O O I I O O I O No connect No connect No connect No connect No connect No connect No connect Power supply External terminal for main clock External terminal for main clock Connect to GND Connect to GND No connect Connect to GND Connect to GND Key input terminal 1 Key input terminal 2 Key input terminal 3 Key input terminal 4 Key input terminal 5 Key input terminal 6 Chip select 1...

Page 19: ...MENT26 SEGMENT25 SEGMENT24 SEGMENT23 SEGMENT22 SEGMENT21 SEGMENT20 SEGMENT19 SEGMENT18 SEGMENT17 SEGMENT16 SEGMENT15 SEGMENT14 SEGMENT13 SEGMENT12 SEGMENT11 SEGMENT10 SEGMENT9 SEGMENT8 SEGMENT7 SEGMENT6 SEGMENT5 SEGMENT4 SEGMENT3 SEGMENT2 SEGMENT1 VPP MN101C35DKF DGT16 P66 DGT15 P65 DGT14 P64 DGT13 P63 DGT12 P62 DGT11 P61 DGT10 P60 DGT9 P41 DGT8 P40 GRID4 SEG41 PD1 SEG40 PD2 SEG39 PD3 SEG38 PD4 SE...

Page 20: ... OSC1 I External terminal for connected oscirator 14 VSS Connect to GND 15 XI I Connect to GND 16 XO O No connect 17 MMO0 I Connect to GND 18 SBO0 O DI DO 19 SBI0 I DI DI 20 SBT0 O DI CK 21 SBO2 O S2UDT 22 SBI2 I U2SDT 23 SBT2 I SCLK 24 NDK O INTP 25 SYSCLK O CPURST 26 IRQ0 I CS 27 IRQ1 I 28 IRQ2 I PROTECT 29 IRQ3 I RDS SET 30 IRQ4 I DI BUSY 31 IRQ5 I HAEADPHONE 32 GND I Connect to GND 33 NSRT I R...

Page 21: ... A3 O MECHA ON 67 A4 I O RDS DATA 68 A5 O RDS CLK 69 A6 O STEREO 70 A7 I TUNER DATAI 71 A8 O TUNER MUTE 72 A9 O TUNER DATA0 73 A10 O TUNER CLK 74 A11 O TUNER CE 75 A12 O S1OUT 76 A13 O SMUTE 77 A14 O DSP ON 78 A15 O VS3 79 LED0 O STBY LED 80 LED1 O FAN ON OFF1 LOW 81 LED2 O FAN ON OFF2 MID 82 LED3 O DISC SET 83 LED4 I DISC STOP 84 LED5 O FAN ON OFF3 HIGH 85 LED6 O No connect 86 LED7 O SW MUTE 87 S...

Page 22: ...f DSP to general purpose port Output of DSP to general purpose port Output of DSP to general purpose port Output of DSP to general purpose port Reset signal input Power supply terminal Connect to GND Connect to GND Connect to GND Connect to GND Connect to GND Connect to GND Connect to GND Connect to GND Connect to GND Connect to GND Non connect Power supply terminal Not use Not use Non connect Com...

Page 23: ...terminal with microcomputer Interface I O terminal with microcomputer of clock signal Interface I O terminal with microcomputer of chip select Non connect Non connect Non connect Reset signal output Connect to GND Non connect Non connect Non connect Non connect Non connect Non connect Non connect Non connect Power supply Non connect Non connect Test tone control Control at output destination of LF...

Page 24: ...dio interface data input terminal 0 Audio interface data input terminal 1 Power supply for digital circuit Audio interface LR clock output terminal A Audio interface bit clock output terminal A Test input terminal 0 1 L test H normal operation Non connect SPDIF Output Test input terminal L test H normal operation SPDIF input terminal Ground terminal for digital circuit Test sub input terminal 0 L ...

Page 25: ...gram 1 OUT1 2 IN1 3 IN1 4 8 7 6 5 VEE VCC OUT2 IN2 IN2 2 1 BA15218F IC303 602 603 651 652 661 671 672 Ope amp 1 Pin layout Block diagram 1 2 3 4 5 6 7 14 13 12 11 10 9 8 TC74HC4072AF IC611 4 Input gate 1 Pin layout block diagram A H X X X L B X H X X L C X X H X L D X X X H L Y H H H H L 2 Truth table 1Y 1A 1B 1C 1D NC GND Vcc 2Y 2D 2C 2B 2A NC A L H Y H L 1 1A 2 1Y 3 2A 4 2Y 5 3A 6 3Y 7 14 13 12 ...

Page 26: ... Input Address Input Address Input Address Input Data Input Output Data Input Output Data Input Output Ground Pin No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Pin No 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Symbol I O4 I O5 I O6 I O7 I O8 CS1 A10 OE A11 A9 A8 A13 WE CS2 A15 VDD Function Data Input Output Data Input Output Data Input Output Data Input Output Data Input Output Chip Select Inputs...

Page 27: ...RX DV3SL 1 27 M E M O ...

Page 28: ...200207 VICTOR COMPANY OF JAPAN LIMITED AUDIO COMMUNICATION BUSINESS DIVISION PERSONAL MOBILE NETWORK BUSINESS UNIT 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japan No 21124 RX DV3SL ...

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