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JVC RX-DV3SL Service Manual
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JVC RX-DV3SL Service Manual

JVC RX-DV3SL Service Manual

Home theater dvd/cd receiver
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Download this manual See also: Instruction Manual
SERVICE MANUAL
HOME THEATER DVD/CD RECEIVER
REMOTE CONTROL RM-SRXDV3J
STANDBY/ON
DBS
VCR
TV
AUDIO
TV
TAPE
CDR
FM/AM
DBS
VCR
DVD
TV/VIDEO
REW/
TUNING
/FF
REPEAT
SLEEP
FM MODE
STROBE
- TV/DBS CH +
SOUND
EFFECT
CENTER
1
2
3
ANALOG
/DIGITAL
TEST
REAR·L
4
5
6
INPUT
AUDIO
SURR ON/OFF
REAR·R
7
8
9
STANDBY
STANDBY/ON
SUBTITLE
SURR MODE
-
SUBWOOFER
+
10/0
+10
VFP
100+
TV RETURN
PROGRESSIVE
DIMMER
ANGLE
+
+
MUTING
TV VOL
VOLUME
ZOOM
-
-
DIGEST TOP MENU
MENU
CHOICE
ENTER
ON SCREEN
RETURN
HOME THEATER
DVD/CD RECEIVER
Contents
Safety precautions --------------------------------------------------------
Preventing static electricity ----------------------------------------------
Disassembly method ------------------------------------------------------
Adjustment method -------------------------------------------------------
Description of major ICs -------------------------------------------------
COPYRIGHT
RX-DV3 HOME THEATER DVD/CD RECEIVER
DVD
DBS
VCR
TV
INPUT
SURROUND
ON/OFF
MODE
ANALOG/DIGITAL
INPUT ATT.
REC MODE
2002 VICTOR COMPANY OF JAPAN, LTD.
J -------------------- U.S.A.
TAPE/CDR
FM/AM
MASTER VOLUME
SOURCE NAME
SETTING
ADJUST
MEMORY
COMPACT
CONTROL
SUPER VIDEO
DVD/SUPER VCD/VCD/CD
RX-DV3SL
Area suffix
1-2
1-3
1-4
1-5
1-14
1-16~26
No.21124
Jul. 2002

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Summary of Contents for JVC RX-DV3SL

  • Page 1: Table Of Contents

    RX-DV3SL SERVICE MANUAL HOME THEATER DVD/CD RECEIVER RX-DV3SL Area suffix J -------------------- U.S.A. REMOTE CONTROL RM-SRXDV3J STANDBY/ON AUDIO TAPE FM/AM TV/VIDEO REW/ TUNING REPEAT SLEEP FM MODE STROBE – TV/DBS CH + SOUND EFFECT CENTER ANALOG RX-DV3 HOME THEATER DVD/CD RECEIVER...
  • Page 2 RX-DV3SL 1. This design of this product contains special hardware and many circuits and components specially for safety purposes. For continued protection, no changes should be made to the original design unless authorized in writing by the manufacturer. Replacement parts must be identical to those used in the original circuits. Services should be performed by qualified personnel only.

  • Page 3: Importance Administering Point On The Safety

    RX-DV3SL Importance administering point on the safety LVA10332-A2 Primary part Secondary parts Caution: For continued protection against risk of fire, replace only with same type 5A/125V for F101, 2A/125V for F202 and F203. This symbol specifies type of fast operating fuse.

  • Page 4: Preventing Static Electricity

    RX-DV3SL Preventing static electricity 1. Grounding to prevent damage by static electricity Electrostatic discharge (ESD), which occurs when static electricity stored in the body, fabric, etc. is discharged, can destroy the laser diode in the traverse unit (optical pickup). Take care to prevent this when performing repairs.

  • Page 5: Disassembly Method

    RX-DV3SL Disassembly method Top cover Removing the top cover (See Fig.1) Remove the four screws marked A attaching the top cover on both sides of the body. Remove the three screws marked B on the back of the body. Fig.1...
  • Page 6 RX-DV3SL Removing each board connected to the rear side of the main board (See Fig.6 to 10) Prior to performing the following procedures, remove band the top cover and rear panel. CN201 Cut off the tie band fixing the harness.
  • Page 7 RX-DV3SL Removing the amplifier board (See Fig.11, 12) band Prior to performing the following procedures, remove the top cover, and rear panel. CN201 CN212 Disconnect the amplifier board from the connector CN602 CN201. board Disconnect the amplifier board from the connector CN612 CN212 on the main board.
  • Page 8 RX-DV3SL Removing the DVD CD unit (See Fig.15) / CD Prior to performing the following procedures, remove unit the top cover, rear cover and DSP board. band Remove the DVD / CD unit dust proof cover attaching on the main board.
  • Page 9 RX-DV3SL Removing the power transformer CN115 (See Fig.18, 19) CN291 Prior to performing the following procedures, remove CN121 the top cover and rear panel. Power supply CN111 board If necessary, cut off the tie band fixing the harness. CN122 Solder...
  • Page 10 RX-DV3SL Removing the tuner board (See Fig.21) Prior to performing the following procedures, remove the top cover, rear panel, DSP board and S-video board. 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.
  • Page 11 RX-DV3SL <DVD / CD unit> Prior to performing the following procedures, remove DVD / CD tray the DVD / CD unit. Removing the DVD / CD tray (See Fig.1, 2) Loading cam lever Push the cam lever toward the center side of the DVD / CD unit in the direction of the arrow and draw Fig.1...
  • Page 12 RX-DV3SL Removing the the top cover DVD / CD unit Top cover (See Fig.4) Stopper Prior to performing the following procedures, remove the DVD / CD tray. Remove the four screws marked A attaching the top cover on the DVD / CD unit.
  • Page 13 RX-DV3SL Removing the DVD / CD the mechanism DVD / CD unit holder assembly (mechanism included) Top cvover (See Fig. 7, 8) Prior to performing the following procedures, remove the DVD / CD tray, the servo board and top cover.

  • Page 14: Adjustment Method

    RX-DV3SL Adjustment method Measurement instruments required for adjustment Radio input signal 1. Low frequency oscillator, AM modulation frequency : 400Hz This oscillator should have a capacity to output 0dBs Modulation factor : 30% to 600ohm at an oscillation frequency of 50Hz-20kHz.
  • Page 15 RX-DV3SL Initialization method of DVD section When microprocessor ICs or pick-up has been replaces, initialize the DVD player in the following manner. If tray is not completely close up, make power to standby frome on to close up the tray.

  • Page 16: Description Of Major Ics

    RX-DV3SL Description of major ICs AK4527BVQP (IC601) : A/D,D/A converter 1. Pin layout Top View 2. Pin function (1/2) Symbol Function SDOS SDTO Source Select Pin (Note 1) "L" : Internal ADC output, "H" : DAUX input OSKS Control Mode Select Pin "L"...
  • Page 17 RX-DV3SL Pin function (2/2) AK4527 Symbol Function Connect to GND ICKS No internal bonding. Analog Input Format Select Pin, Digital Power Supply ADIF "H" : Full-differential input, "L" : Single-ended input Chip Address 1 Pin, Connect to GND CAD1 Chip Address 0 Pin, Connect to GND...
  • Page 18 RX-DV3SL MN101C35DKF (IC701) : Panel MICOM 1. Pin layout 2. Pin function Symbol Function Pin No. TXD/SBO0/P00 No connect RXO/SBI0/P01 No connect SBT0/P02 No connect SBO1/P03 No connect SBI1/P04 No connect SBT1/P05 No connect BUZZER/P06 No connect Power supply OSC2...
  • Page 19 RX-DV3SL MN101C35DKF Pin No Symbol Function No connect No connect No connect No connect DGT17/P67 DGT16/P66 No connect No connect DGT15/P65 DGT14/P64 No connect DGT13/P63 GRID1 DGT12/P62 GRID2 DGT11/P61 GRID3 DGT10/P60 GRID4 DGT9/P41 GRID5 DGT8/P40 GRID6 SEG0/DGT7/P77 GRID7 GRID8 SEG1/DGT6/P76...
  • Page 20 RX-DV3SL MN101C49GKG (IC761) : System MICOM 1. Pin layout 2. Pin function Pin No. Symbol Function VREF Connect to GND NTSTEL(RGBESL) VCR S/C SW DBS S/C SW SAFETY SHORT&TH DET (A/D) OUTLEVEL DETECT (A/D) VCR IN (A/D) STB IN (A/D)
  • Page 21 RX-DV3SL MN101C49GKG Pin No. Symbol Function SBT1 DSP CLK CBO3 VOL DATA SBI3 VOL LATCH SBT3 VOL CLK D.O.MUTE INT/PROG INT/PROG KEY0 HEADPHONE RELAY KEY1 EEDO KEY2 EEDI KEY3 EECK KEY4 EECS KEY5 FRONT SPK RELAY KEY6 CENTER SPK RELAY...
  • Page 22 RX-DV3SL UPD784215AGC167 (IC681) : Dital signal controller 1. Pin layout 2. Pin function (1/2) Pin No. Symbol Function Non connect Power supply terminal Connecting the crystal oscillator for system main clock Connecting the crystal oscillator for system main clock Connect to GND...
  • Page 23 RX-DV3SL Pin function (2/2) UPD784215AGC167 Pin No. Symbol Function Interface I/O terminal with microcomputer MILP Interface I/O terminal with microcomputer MIACK Non connect Non connect Reset signal output of DSP DSPRST Non connect 54~63 Interface I/O terminal with microcomputer CODEC OUT...
  • Page 24 RX-DV3SL TC9446F-025 (IC631) : Digital signal processor for dolby digital (AC-3) / DTS audio decode Pin No. Symbol Function Reset signal input terminal (L:reset H: normal operation) Microcomputer interface mode selection input terminal (L:serial H:IC bus) MIMD Microcomputer interface chip select input terminal...
  • Page 25 RX-DV3SL TC74HCU04AF (IC621) : Inverter TC7SET32FU (IC683) : Z-Input or gate 1. Pin layout 2. Truth value 1. Pin layout / Block diagram IN B IN A OUT Y TC74HCU08AF (IC612) : Inverter 1. Pin layout / Block diagram 2.The truth value table TC74HC4072AF (IC611) : 4-Input gate 1.
  • Page 26 RX-DV3SL W24L010AJ-12 (IC641) : SRAM 1. Pin layout 2. Block diaglam DECODER CORE ARRAY I/O1 CONTROL DATA I/O I/O8 3. Pin function Pin No. Symbol Function Pin No. Symbol Function No Connection I/O4 Data Input/Output Address Input I/O5 Data Input/Output...
  • Page 27 RX-DV3SL < M E M O > 1-27...
  • Page 28 RX-DV3SL 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) 200207...