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JVC RX-8010VBK Service Manual

Audio/video control receiver
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Download this manual See also: Service Manual, Instruction Manual
SERVICE MANUAL
AUDIO/VIDEO CONTROL RECEIVER
CATV/DBS VCR 1
TV
AUDIO
POWER
POWER
POWER
POWER
DVD
DVD MUILTI
CD
FM/AM
TV/DBS
VIDEO
CDR
PHONO
VCR 1
VCR 2
TAPE/MD
USB
SURROUND
DSP
ANALOG/DIGITAL SLEEP
ON/OFF
MODE
INPUT
BASS
ROOM
LINE DIF .ECT BOOST
EFFECT
SIZE
1
2
3
MIDNIGHT
MENU
MODE
TEST
CTR TONE LIVENESS
4
5
6
ENTER
STANDBY
∗
∗
∗
SOUND
SUBWFR
L/R BAL
CENTER
7/P
8
9
POWER
∗
∗
∗
MUTING
DIGITAL EQ
REAR L
REAR R
0
10
+10
RETURN
FM MODE
100 +
SPEAKERS ON/OFF
CATV/DBS
∗
CONTROL
+
BAL L
+
+
1
∗
SURROUND ON/OFF
CH/
LEVEL TV VOL
VOLUME
−
−
−
TV/VIDEO
2
∗
BAL R
PLAY
SUBWOOFER OUT ON/OFF
EXIT
MENU
TEXT
/REW
PAUSE
FF/
DISPLAY
SET
REC
DOWN - TUNING - UP
PAUSE
STOP
CONTROL
PHONES
RM-SRX8010J
A/V CONTROL RECEIVER
Contents
Safety precautions --------------------------------------------------------1-2
Disassembly method -----------------------------------------------------1-4
Adjustment method -------------------------------------------------------1-10
Self-diagnose function ----------------------------------------------------1-11
Description of major ICs -------------------------------------------------1-13
RX-8010VBK
RX-8010V
AUDIO/VIDEO CONTROL RECEIVER
FM/AM TUNING
FM/AM PRESET
FM MODE
MEMORY
D I G I T A L
S U R R O U N D
D I G I T A L
DVD MULTI
DVD
VCR 1
INPUT
DSP MODE
ANALOG/DIGITAL
MIDNIGHT MODE
INPUT ATT
USB AUDIO
VIDEO
S-VIDEO
VIDEO
L-AUDIO-R
PHONO
CD
CDR
TAPE / MD
SOUCE NAME
COPYRIGHT
2001 VICTOR COMPANY OF JAPAN, LTD.
MASTER VOLUME
VCR 2
VIDEO
TV SOUND/DBS
DIGITAL
LEVEL
EQ
ADJUST
SOUCE NAME
EFFECT SETTING
USB AUDIO
FM / AM
CONTROL
DOWN
UP
RX-8010VBK
Area Suffix
J
U.S.A.
LINE DIRECT
BASS BOOST
D I G I T A L
No.20921
Mar. 2001

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Summary of Contents for JVC RX-8010VBK

  • Page 1: Table Of Contents

    RX-8010VBK SERVICE MANUAL AUDIO/VIDEO CONTROL RECEIVER RX-8010VBK Area Suffix U.S.A. CATV/DBS VCR 1 AUDIO POWER POWER POWER POWER DVD MUILTI FM/AM TV/DBS VIDEO PHONO VCR 1 VCR 2 TAPE/MD SURROUND ANALOG/DIGITAL SLEEP ON/OFF MODE INPUT RX-8010V AUDIO/VIDEO CONTROL RECEIVER BASS ROOM LINE DIF .ECT BOOST...
  • Page 2 RX-8010VBK 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.

  • Page 3: Importance Administering Point On The Safety

    RX-8010VBK Importance administering point on the safety LVA10222-A6 B3191 RY63 PW20 PW17 PW26 PW19 PW18 CN55 B3142 6.3A-125V PW30 RY62 CN56 CN811 B3192 LVA10222-A3 2A-125V FC61 FC62 2A-125V FC64 FC63 Caution: For continued protection against risk of fire, replace only with same type 6.3A/125V for F201, 2A/125V for F202 and F203.

  • Page 4: Disassembly Method

    RX-8010VBK Disassembly method Top cover Removing the top cover (See Fig.1) Remove the four screws A attaching the top cover on both sides of the body. Remove the three screws B on the back of the body. Remove the top cover from behind in the direction of Fig.1...
  • Page 5 RX-8010VBK Removing each board connected to the rear side of the audio board (See Fig.5 to 11) Prior to performing the following procedure, remove the top cover and the rear panel. Tie band Cut off the tie band fixing the harness.
  • Page 6 RX-8010VBK S Video Video audio board Video board board Fig.10 DSP board CN601 Fig.11 Relay board CN814 CN813 Removing the audio board CN71 (See Fig.12 to 13) power supply Prior to performing the following procedure, remove board the top cover and the rear panel.
  • Page 7 RX-8010VBK Removing the main board (See Fig.14) Prior to performing the following procedure, remove the top cover, the rear panel and audio board. Cut off the tie band fixing the harness. CN811 Disconnect the harness from connector CN811 on the power supply board respectively.
  • Page 8 RX-8010VBK Removing the power transformer (See Fig.17) Prior to performing the following procedures, remove the top cover. Power Power transformer supply board Unsolder the two harnesses connected to the power board transformer. Disconnect the harness from connector CN55 and CN56 on the power transformer board.
  • Page 9 RX-8010VBK Removing the system control board / Front panel assembly power switch board (See Fig.20 to 22) Operation switch panel Prior to performing the following procedure, remove the top cover and the front panel assembly. Pull out the volume knob on the front side of the front panel and remove the nut attaching the system control board.

  • Page 10: Adjustment Method

    RX-8010VBK Adjustment method Tuner section 1.Tuner range 87.5MHz~108.0MHz AM(MW) 530kHz~1710kHz Power amplifier section Adjustment of idling current Measurement location B2204-B2205(Lch) , B2213-2214(Rch) Adjustment part VR787(Lch) , VR788(Rch) Attention This adjustment does not obtain a correct adjustment value immediately after the amplifier is used (state that an internal temperature has risen).

  • Page 11: Self-Diagnose Function

    RX-8010VBK Self-diagnose function 1. Detection of abnormal power supply and voltage When the power is turned ON, if an abnormality is detected during the signal input at the A/D port (IC901, pin 2-5, 7) for one second continuously, the status will become STANDBY mode immediately.
  • Page 12 RX-8010VBK 4. Self-diagnose To enter the self-diagnose mode, put the power plug in the socket while pressing SETTING key and UP key together simultaneously, then turn the power ON. With the UP/DOWN key operation, DSP microcomputer, ROM No.of system microcomputer as well as working status of DSP can be displayed for five seconds.

  • Page 13: Description Of Major Ics

    RX-8010VBK Description of major ICs AK4527 (IC571) : A/D,D/A Converter 1.Pin layout VREFL SDOS RIN+ OCKS RIN- LIN+ BCLK LIN- LRCK ROUT1 SDTI1 LOUT1 SDTI2 ROUT2 SDTI3 LOUT2 SDTO ROUT3 DAUX LOUT3 2.Block diagram Audio LIN+ LIN- RIN+ RIN- LRCK...
  • Page 14 RX-8010VBK 3. Pin function (1/2) AK4527(1/2) Pin name Function SDTO Source select pin SDOS "L" : Internal ADC output, "H" : DAUX input ORed with serial control register if P/S="L". MCKO Clock frequency select pin OCKS "L" : MCLK, "H" : MCLK/2.
  • Page 15 RX-8010VBK 3.Pin function (2/2) AK4527(2/2) Pin Name Function VREFL Negative voltage reference Input pin, AVSS VCOM Common voltage output pin,AVDD/2 Large external capacitor around 2.2uF is used to reduce power-supply noise VREFH Positive voltage reference input pin,AVDD AVDD Analog power supply pin...
  • Page 16 RX-8010VBK BA15218F(IC303, IC304, IC372, IC385, IC386) : OP AMP. OUT1 -IN1 OUT2 +IN1 -IN2 +IN2 BA7625 (IC201, IC242) : Video selector MONITOR OUT MONITOR OUT CTL A VOUT 1 logic VOUT1 CTL B CTL E VOUT2 logic VOUT 2 CTL D...
  • Page 17 RX-8010VBK BU2092(IC402):PORT EXPANDER 1.Terminal Layout DATA CLOCK CONTROL CIRCUIT 2.Pin Function Symbol Function Pin No. Connect to GND DATA Serial Data input CLOCK Shift Clock of Data Latch Clock of Data 5~16 Q0~Q11 Parallel Data Output Latch Data OUTPUT ON OFF...
  • Page 18 RX-8010VBK MB90088 (IC203) : On screen display controller 1.Terminal Layout AVss YOUT VOUT AVcc COUT IOUT SCLK TEST BOUT HSYNC ROUT VSYNC GOUT EXHSYN EXVSYN 2.Block Diagram Serial Input Each Control, Data SCLK Control EXHSYN H/V Separate EXVSYN VOUT Analog SW...
  • Page 19 RX-8010VBK 3.Functions Symbol I/O Function Lux signal Input terminal for Superinpause indication Composite video signal input terminal for Superinpause indication Contrast signal input terminal for Superinpause indication Analog power supply terminal AVcc Color (Lux) signal output terminal IOUT Character output terminal...
  • Page 20 RX-8010VBK MAX4018ESD (IC390) : OP AMP. OUTC INC- INC+ INA+ INB+ INA- INB- OUTA OUTB N.C. N.C. NJM2285V-W(IC202) : 2-INPUT 3CHANNEL VIDEO SWITCH IN1A GND1 IN2B CTL2 IN2A GND3 IN3B CLAMP TYPE BIAS TYPE CLAMP TYPE IN1B CTL1 OUT1 GND2...
  • Page 21 RX-8010VBK NJM4580D (IC301) : LPF, Mic and H.phone Amp. 1.Terminal layout A OUT A -IN B OUT A +IN B -IN B +IN (TOP VIEW) 2.Block diagram INPUT OUTPUT NJU7241F33(IC411) : VOLTAGE REGULATOR PIN FUNCTION 1. GND 2. V 3. V 4.
  • Page 22 RX-8010VBK PCM2702E-X (IC410) : DIGITAL / ANALOG CONVERTER 2. Block diagram 1.Pin layout VccP USB packet audio DGNDC data data AGNDP FIFO Low-pass WRCLK VccL VOUTL USB I/F Filter Multi-level Oversampling VBUS DGND AGNDL Delta-Sigma VCOM DGNDU Digital Filter Modulator...
  • Page 23 RX-8010VBK TC9162AN (IC380) : ANALOG SWITCH R-S1 L-S1 R-S2 L-S2 R-COM1 L-COM1 R-S3 L-S3 R-S4 L-S4 R-COM2 L-COM2 R-S5 L-S5 R-S6 L-S6 R-COM3 L-COM3 R-S7 L-S7 R-COM4 L-COM4 DATA R-S1 L-S1 R-S2 L-S2 R-COM1 L-COM1 R-S3 L-S3 R-S4 L-S4 R-COM2...
  • Page 24 RX-8010VBK TC9163AF-X (IC371) : ANALOG SWITCH R-S1 L-S1 R-S2 L-S2 R-S3 L-S3 R-COM1 L-COM1 R-S4 L-S4 R-S5 L-S5 R-S6 L-S6 R-COM2 L-COM2 R-S7 L-S7 R-S8 L-S8 R-COM3 L-COM3 DATA R-S1 L-S1 R-S2 L-S2 R-S3 L-S3 R-COM1 L-COM1 R-S4 L-S4 R-S5...
  • Page 25 RX-8010VBK TC9164AF-X (IC302) : ANALOG SWITCH R-S1 L-S1 R-S2 L-S2 R-S3 L-S3 R-S4 L-S4 R-COM1 L-COM1 R-S5 L-S5 R-S6 L-S6 R-COM2 L-COM2 R-S7 L-S7 R-S8 L-S8 R-COM3 L-COM3 DATA R-S1 L-S1 R-S2 L-S2 R-S3 L-S3 R-S4 L-S4 R-COM1 L-COM1 R-S5...
  • Page 26 RX-8010VBK TC9459F (IC381, IC382, IC383) : Electronic volume control 2. Block diagram 1.Terminal layout L-OUT R-OUT L-OUT R-OUT L-IN 915TEP R-IN L-1N R-IN L-ch L-LD1 R-ch R-LD1 Same as L-ch L-LD2 R-LD2 L-LD1 R-LD1 Circuit L-A-GND R-A-GND L-LD2 R-LD2 L-A-GND...
  • Page 27 RX-8010VBK PQ3DZ53 (IC583) : Regulator IC DC INPUT(Vin) DC OUTPUT(Vo) CUSTOM IC ON/OFF CONTROL(Vc) TC74HC4053AF (IC388, IC389) : MULTIPLEXER CONTROL INPUTS INHIBIT Y-COM X-COM Z-COM X: Don't Care. W24L010AJ-12 (IC511) : CMOS STATIC RAM 1. Pin layout 2. Block diaglam...
  • Page 28 RX-8010VBK UPD784215AGC132(IC581) : UNIT CPU 1.Pin layout 2.Pin function 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 Connecting the crystal oscillator for system sub clock...
  • Page 29 RX-8010VBK VICTOR COMPANY OF JAPAN, LIMITED AUDIO & COMMUNICATION BUSINESS DIVISION PERSONAL & MOBILE NETWORK BUSINESS UNIT. 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan Printed in Japan (No.20921) 200103(V)