JVC RX-5030VBK, Service Manual

Page 1: ...TO SPK ONE TO UCH OPE RATIONBASS BOOST PRO LOGI CDSP H PHONE AUTO MUTINGTUNED STEREO TA NEWS INFO VOLUME INPUT ATT EON RDS SLEEP CH 1 2 ANALOG L LINEAR P CM DIGITAL C R S WFR LFE LS RS S STANDBY STANDBY ON PHONES D I G I T A L P R O L O G I C SURROUND DSP DVD MULTI SPEAKERS ON OFF SUBWOOFER O UT FM MODE MEMORY ON OFF FM AM T UNING DVD VCR CD FM AM TAPE CDR TV SO UND SURROUND DSP OFF DIMMER INPUT D...

Page 2: ... exposed metal parts of the product 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...

Page 3: ...our eviter risques de feux remplacez le fusible de surete de F201 comme le meme type que 6 3A 125V et 2A 125V pour F202 et F203 Ce sont des fusibles suretes qui functionnes rapide Secondary parts Primary part CN251 D205 FC221 FC222 FC231 FC232 R201 RY201 110 111 112 113 114 120 121 122 130 131 B192 B191 B160 B159 2A 125V 2A 125V F 203 F 202 FC211 FC212 6 3A 125V B104 PW103 PW101 B103 B102 B101 B10...

Page 4: ...ocedure remove the top cover 1 Disconnect the card wire from the connector CN402 on the audio board See Fig 2 2 Disconnect the card wire from the connector CN201 on the power supply board See Fig 2 3 Remove the tie band and wire protection board fixing the card wire See Fig 2 4 Remove the three screws C attaching the front panel as sembly See Fig 2 5 From the bottom side of the main body remove th...

Page 5: ... board and video board See Fig 5 Prior to performing the following procedure remove the top cover and rear panel 1 From the top side of the main body disconnect the DSP board from the connector CN481 on the audio board 2 Disconnect the audio input board from the connector CN421 on the audio board 3 Disconnect the DVD board from the connector CN431 on the audio board 4 Disconnect the video board fr...

Page 6: ...ard video board and tuner board 1 From the top side of the main body disconnect the card wire from the connector CN402 on the audio board 2 Disconnect the relay board from the connectors CN291 CN491 on the power supply board and audio board 3 Disconnect the wires from the connectors CN471 CN472 and CN473 on the audio board 4 Remove the three screws G attaching the audio board 5 Loosen the screw H ...

Page 7: ...hing the parallel wires 4 Disconnect the relay board from the connectors CN291 CN491 on the power supply board and audio board 5 Disconnect the parallel wire from the connector CN241 on the power supply board 6 Disconnect the wire from the connector CN251 on the pow er transformer board 1 7 Disconnect the wires from the connectors CN471 CN472 and CN473 on the audio board 8 Remove the screw H two s...

Page 8: ...ain board 1 Remove the ten screws L attaching the heat sink See Fig 10 2 Disconnect the center amp board from the connector CN321 on the main board See Fig 12 3 Disconnect the front amp board L from the connector CN311 on the main board See Fig 12 4 Disconnect the front amp board R from the connector CN312 on the main board See Fig 12 5 Disconnect the rear amp board L from the connector CN331 on t...

Page 9: ...ure remove the top cover 1 From the top side of the main body disconnect the parallel wires from the connectors CN203 and CN241 on the power supply board 2 Disconnect the card wire from the connector CN201 on the power supply board 3 Disconnect the relay board from the connector CN291 on the power supply board 4 Disconnect the parallel wire from the connector CN101 on the headphone jack board 5 Re...

Page 10: ...he following procedure remove the top cover and front panel assembly 1 Pull out the volume and jog knobs from the front side of the front panel assembly remove the nut attaching the system control board See Fig 16 2 From the back side of the front panel assembly remove the nine screws T attaching the system control board See Fig 17 3 Remove the solders of the soldered section i on the system contr...

Page 11: ... and VR302 fully counterclockwise to warm up before adjustment If the heat sink is already warm from previous use the correct adjustment can not be made 4 For L ch connect a DC voltmeter between TP301 s B216 and B217 Lch and connect it between TP302 s B218 and B219 Rch 5 Adjust the VR301 Lch and VR302 Rch so that the DC voltmeter indicates 2 0mV immediately after turning the power on It is not abn...

Page 12: ... 7 SDTI2 I DAC2 Audio Serial Data Input Pin 8 SDTI3 I DAC3 Audio Serial Data Input Pin 9 SDTO O Audio Serial Data Output Pin 10 D AUX Sub Audio Serial Data Input Pin Connect to GND 11 DFS Double Speed Sampling Mode Pin Note 1 L Normal Speed H Double Speed 12 DEMI Connect to GND No internal bonding 13 DEMO Zero Input Detect Enable Pin Connect to GND L mode 7 disable at parallel mode zero detect mod...

Page 13: ... H OVF O Analog Input Overflow Detect Pin Note 3 This pin goes to H if the analog input of Lch or Rch is overflows 34 VCOM O Common Voltage Output Pin AVDD 2 Large external capacitor around 2 2uF is used to reduce power supply noise 35 VREFH Positive Voltage Reference Input Pin AVDD 36 AVDD Analog Power Supply Pin 4 5V 5 5V 37 AVSS Analog Ground Pin 0V 38 XTI Zero Input Detect 1 Pin Note 2 Non con...

Page 14: ... 25 24 23 22 21 20 19 18 17 16 15 VSS GND VDD 2 3 4 5 6 7 8 9 10 11 12 13 27 26 25 24 23 22 21 20 19 18 17 16 15 1 14 28 L S1 L S2 L COM1 L S3 L S4 L COM2 L S5 L S6 L COM3 L S7 L COM4 ST R S1 R S2 R COM1 R S3 R S4 R COM2 R S5 R S6 R COM3 R S7 R COM4 DATA CK LEVEL SHIFTER LATCH CIRCUIT SHIFT REGISTER LEVEL SHIFTER LATCH CIRCUIT ...

Page 15: ...r Pin layput Block Diagram 4 4 BA033LBSG W IC683 Regulator Block diagram 1 2 3 1pin Vcc 2pin FIN GND 3pin OUT REFERENCE VOLTAGE Vcc 3pin OUT GND 2pin Vcc 1pin Current limit circuit Temperature protect circuit Reference voltage 5 OUT Vcc 1 CTL 3 GND 2 4 C ...

Page 16: ...l Ope Amp Pin layout Block diaglam 4 7 IMX9 W IC652 IC662 IC682 Driver Pin layout Block diagram 1 2 8 Vcc 7 OUT2 6 IN2 5 IN2 OUT1 1 IN1 2 IN1 3 VEE 4 Q19 Q17 Q16 OTHER CH R9 R6 R8 R7 R5 R4 R3 R2 R1 D1 C1 Q18 Q13 Q11 Q8 Q5 Vcc VEE OUTPUT IN IN Q1 Q3 Q4 Q2 C2 Q9 Q6 Q7 Q10 Q12 Q14 Q15 Q114 1 2 3 4 5 6 7 8 OUT1 IN1 IN1 GND IN2 IN2 OUT2 Vcc 1 2 1 2 3 6 5 4 C B E E B C ...

Page 17: ... 8 GP1UM281X IC703 Dual operation amplifier Block diagram 4 9 IC PST9139 T IC702 System reset Terminal layout Block diagram R L Com para tor Integra tor Demodu lator B P F Limiter Amp GND Vcc Vout 1 2 3 2 1 3 VCC OUT GND CO1 OP1 ...

Page 18: ...sformer 10 AM SD This is a terminal of AM ceramic filter 11 FM VSM O Adjust FM SD sensitivity 12 AM VSM O Adjust AM SD sensitivity 13 MUTE I O When the signal of IF REQ of IC121 LC72131 appear the signal of FM AM IF output Muting control input 14 FM AM I Change over the FM AM input H FM L AM 15 MONO ST O Stereo H Mono L 16 L OUT O Left channel signal output 17 R OUT O Right channel signal output 1...

Page 19: ...nput for 4pin input and 6pin output H 4 DI I Input for receive the serial data from controller 5 CLOCK I Sync signal input use 6 DO O Data output for Controller Output port 7 FM ST VCO O Low MW mode 8 AM FM O Open state after the power on reset 9 LW I O Input output port 10 MW I O Input output port 11 SDIN I O Data input output 12 IFIN I IF counter signal input 13 IFCONT O IF signal output 14 Not ...

Page 20: ...26 25 24 23 22 21 20 19 18 17 VDD A15 CS2 WE A13 A8 A9 A11 OE A10 CS1 I O8 I O7 I O6 I O5 I O4 SYMBOL DESCRIPTION A0 A16 Address Input I O1 I O8 Data Input Output CS1 CS2 Chip Select Inputs WE Write Enable Input OE Output Enable Input VDD Power Supply Vss Ground NC No Connection DECODER CORE ARRAY CONTROL DATA I O VDD Vss CS2 CS1 OE WE A0 A16 I O1 I O8 1 2 3 4 5 6 7 14 13 12 11 10 9 8 VCC 4B 4A 4Y...

Page 21: ...025 1 21 4 14 TC74HC4072AF X IC612 OR gate Block diagram Truth table 1Y 1A 1B 1C 1D NC GND 1 2 3 4 5 6 7 14 13 12 11 10 9 8 Vcc 2Y 2D 2C 2B 2A NC A B C D Y H X X X H X H X X H X X H X H X X X H H L L L L L X Don t care ...

Page 22: ...2 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 OUT4 OUT3 OUT2 OUT1 AVDD SWin GNDS SRin SLin GNDC Cin GNDR Rin GNDL Lin BYPASSR BYPASSL LTRE LBASS3 LBASS2 LBASS1 DVDD CLK DATA LATCH DGND AGND SWout SRout SLout Cout Rout Lout AVSS CL1 CL2 CR1 CR2 RTRE RBASS3 RBASS2 RBASS1 OUT PUT PORT volume volume volume volume volume volume MCU I F tone tone ...

Page 23: ...bass frequency adjusting terminal 21 LBASS1 I Tone bass frequency adjusting terminal 22 RBASS1 I Tone bass frequency adjusting terminal 23 RBASS2 I Tone bass frequency adjusting terminal 24 RBASS3 I Tone bass frequency adjusting terminal 25 RTRE I Tone treble frequency adjusting terminal 26 CR2 O Tone output terminal 27 CR1 I R channel volume input 28 CL2 O Tone output terminal 29 CL1 I L channel ...

Page 24: ... Block Diagram 1 2 3 4 5 6 7 14 13 12 11 10 9 8 1A 1Y 2A 2Y 3A 3Y GND VCC 6A 6Y 5A 5Y 4A 4Y A Y L H H L 1 3 2 IN B GND IN A 5 4 VCC OUT Y 2 3 4 1 5 L S1 S 2 S 3 VSS COM 1 6 7 8 9 S 4 S 5 S 6 COM 2 10 11 12 S 7 S 8 COM3 13 ST 14 GND 27 26 25 28 24 R S1 S 2 S 3 VDD COM 1 23 22 21 20 S 4 S 5 S 6 COM 2 19 18 17 S 7 S 8 COM3 16 DATA 15 CK SHIFT RESISTOR SHIFT RESISTOR LATCH SHIFT RESISTOR LATCH ...

Page 25: ...t terminal 0 L test H normal operation 37 FCONT O VCO Frequency control output terminal 38 39 TSTSUB1TSTSUB2 I Test sub input terminal 12 L test H normal operation 40 PDO O Phase detect signal output terminal 41 VDDA Power supply for analog circuit 42 PLON I Clock selection input terminal L external clock H VCO clock 43 AMPI I amplifier input terminal for LPF 44 AMPO O amplifier output terminal fo...

Page 26: ...CK I Output of DSP to general purpose port 18 DIGITAL0 I Output of DSP to general purpose port 19 FORMAT I Output of DSP to general purpose port 20 CHANNEL I Output of DSP to general purpose port 21 ERR I Output of DSP to general purpose port 22 REST IN I Reset signal input 23 AVDD Power supply terminal 24 AVREF0 Connect to GND 25 Connect to GND 26 Connect to GND 27 Connect to GND 28 Connect to GN...

Page 27: ...rface I O terminal with microcomputer of chip select 68 CODEC XTS Non connect 69 Non connect 70 Non connect 71 PD O Reset signal output 72 GND Connect to GND 73 Non connect 74 Non connect 75 Non connect 76 Non connect 77 Non connect 78 Non connect 79 Non connect 80 Non connect 81 VDD Power supply 82 Non connect 83 Non connect 84 ANA T TONE O Test tone control 85 LEF MIX O Control at output destina...

Page 28: ... No 22025 AV MULTIMEDIA COMPANY 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japan VICTOR COMPANY OF JAPAN LIMITED 200303WPC Printed in Japan RX 5030VBK ...