JVC RX-6030VBK Скачать руководство пользователя страница 12 | Manualshive

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RX-6030VBK

1-12 (No.22026)

SECTION 3

Adjustment

3.1 Tuner section

3.1.1

Tuner range

3.2 Power amplifier section

3.2.1

Adjustment of idling current

Attention:

This adjustment does not obtain a correct adjustment value immediately after the amplifier is used (state that an internal
temperature has risen). Please adjust immediately after using the amplifier after turning off the power supply of the ampli-
fier and falling an internal temperature.

3.2.2

Adjustment method

(1) Set the volume control to minimum during this adjustment. (No signal & No load)
(2) Set the surround mode OFF.
(3) Turn VR301 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 abnormal though the idling current might not become 0mA even if it is finished to turn variable resistance (VR301, VR302)

in the direction of counterclockwise.

FM:

87.5MHz~108.0MHz

AM (MW): 530kHz~1710kHZ

Measurement location: TP301 (Lch), TP302 (Rch)

Adjustment part:

VR301 (Lch), VR302 (Rch)

Front amp. board (L)

CN302

VR302

Front amp. board (R)

TP302

CN301

VR301

TP301

VR301 (Lch)

TP301 (Lch)

VR302 (Rch)

TP302 (Rch)

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Содержание RX-6030VBK

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 5: ...screws F at taching the rear panel Fig 4 2 4 Removing the component board See Figs 5 and 6 Prior to performing the following procedure remove the top cover 1 From the top side of the main body disconnect the parallel wire from the connector CN511 on the S Video board See Fig 5 2 From the back side of the main body remove the four screws G attaching the component board See Fig 6 Fig 5 Fig 6 E E F E...

Страница 6: ...m the connector CN441 on the audio board Fig 7 2 6 Removing the S Video board and tuner board See Fig 8 Prior to performing the following procedure remove the top cover and rear panel 1 From the top side of the main body disconnect the parallel wire from the connector CN511 on the S Video board 2 Disconnect the S Video board from the connector CN461 on the audio board 3 Remove the tie band fixing ...

Страница 7: ...upply board and audio board 3 Disconnect the wires from the connectors CN471 CN472 and CN473 on the audio board 4 Remove the three screws H attaching the audio board 5 Loosen the screw J attaching the audio board Fig 9 2 8 Removing the speaker terminal board See Fig 10 Prior to performing the following procedure remove the top cover and rear panel 1 From the top side of the main body remove the so...

Страница 8: ...nsformer board 1 7 Disconnect the wires from the connectors CN471 CN472 and CN473 on the audio board 8 Remove the screw J two screws K and four screws L at taching the main board 9 Take out the main board Fig 11 2 10 Removing the heat sink See Figs 12 and 13 Prior to performing the following procedure remove the top cover and main board 1 Remove the ten screws M attaching the heat sink See Fig 12 ...

Страница 9: ...s fixing the wires 2 Remove the solders from the soldered section c on the power transformer board 1 3 Remove the solders from the soldered sections d on the power transformer board 2 4 Disconnect the wire from the connector CN251 on the pow er transformer board 1 5 Remove the four screws P attaching the power transformer 2 13 Removing the power fuse board See Fig 15 Prior to performing the follow...

Страница 10: ...ok g of the chassis base bracket in the direction of the arrow take out the power supply board 8 Turn over the power supply board remove the solders from the soldered sections h attaching the wires Fig 16 2 15 Removing the headphone jack board See Figs 16 and 17 Prior to performing the following procedure remove the top cover and front panel assembly 1 From the top side of the main body disconnect...

Страница 11: ...the system control board See Fig 18 2 From the back side of the front panel assembly remove the nine screws U attaching the system control board See Fig 19 3 Remove the solders of the soldered section i on the system control board and disconnect the parallel wire See Fig 19 4 Remove the two screws V attaching the power switch board See Fig 19 Fig 18 Fig 19 Nut Volume knob Front panel assembly Jog ...

Страница 12: ... 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...

Страница 13: ...12 13 14 28 27 26 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 ...

Страница 14: ...O 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 mode is selectable by DZFM2 0 bits at serial mode H mode 0 DZF is AND of all six channels 14 MC...

Страница 15: ...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 connect When the input data of the group 1 follow total 8192 LRCK cycles with ...

Страница 16: ...ulator Block diagram 4 5 BA15218 IC451 Ope Amp Pin layout 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 1 OUT1 2 IN1 3 IN1 4 8 7 6 5 VEE VCC OUT2 IN2 IN2 2 1 ...

Страница 17: ...03 Dual Ope Amp Pin layout Block diaglam 4 8 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 ...

Страница 18: ...9 GP1UM281X IC703 Dual operation amplifier Block diagram 4 10 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 ...

Страница 19: ...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...

Страница 20: ...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 ...

Страница 21: ...3 14 15 16 32 31 30 29 28 27 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 ...

Страница 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 ...

Страница 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 ...

Страница 24: ...80M X IC582 Video amp Block diagram GND 8 Vout 7 V 6 Vin3 5 1 Vin1 2 CTL1 3 Vin2 4 CTL2 6dB AMP BIAS CTL 1 CTL 2 Output L L VIN 1 H L VIN 2 L H H VIN 3 VIN1 GND1 VIN2 GND2 VIN3 GND3 PowerSave 1 2 3 4 5 6 7 6dB AMP 75 Driver 14 13 12 11 10 9 8 V 1 VOUT1 V 2 VOUT2 V 3 VOUT3 VSAG BIAS 6dB AMP 75 Driver BIAS 6dB AMP 75 Driver CLAMP BIAS ...

Страница 25: ...3B 3A 3Y TOP VIEW 1A 1B 1Y 2A 2B 2Y GND A B Y L L L L H L H L L H H H 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 1Y 0Y IZ Z COM 0Z INH VEE GND Vcc Y COM X COM 1X 0X A B C CONTROL INPUTS INHIBIT C B A L L L K L L L H L L H K L L H H L H L K L H L H L H H K L H H H H X X X X Don t care 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 ...

Страница 26: ... 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 ...

Страница 27: ...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...

Страница 28: ...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...

Страница 29: ...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...

Страница 30: ... No 22026 AV MULTIMEDIA COMPANY 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japan VICTOR COMPANY OF JAPAN LIMITED 200303WPC Printed in Japan RX 6030VBK ...

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