Yamaha RX-V461 - AV Receiver Service Manual Download Page 49

Page: 49 / 57

CB251

CB231

CB232

CB233

W2152

W2153

IC234

IC237

IC236

IC233

IC232

IC235

W2251

IC238

CB235

CB234

CB253

CB255

CB257

CB252

CB254

CB256

CB258

W251B

W251A

W252A

W252B

RX-V461/HTR-6040/DSP-AX461

★

All voltages are measured with a 10M

Ω

/V DC electronic voltmeter.

★

Components having special characteristics are marked

and must be replaced

with parts having specifications equal to those originally installed.

★

Schematic diagram is subject to change without notice.

OPERATION 2/2

1.7

13.1

13.3

13.5

13.2

12.7

13.3

12.7

11.7

12.0

1.7

3.3

1.0

6.0

5.6

3.3

11.1

3.3

1.5

12.0

-11.8

-0.1

-20.2

-20.4

AC 31.9

AC 10.7

AC 10.8

AC 5.1

-19.4

3.3

11.9

12.6

12.7

11.9

19.2

3.3

5.0

13.5

19.2

5.0

6.1

5.8

13.5

5.5

AC 6.9

5.5

5.4

3.2

5.5

IC235

: NJM2388F05

Low dropout voltage regulator with ON/OFF control

ON/OFF
control

Over Voltage
Protection

Bandgap
Reference

Cont

GND

OUT

Over Current
Protection

Thermal
Protection

IC232

: NJM2388F33

Low dropout voltage regulator with ON/OFF control

GND

Cont

Vin

Vout

Thermal

Protection

Bandgap

Reference

ON/OFF

control

Over Voltage

Protection

Over Current

Protection

IC238

: LM61CIZ

Temperature sensor

IC236

: KIA7812API

Voltage regulator

Q12

Q13

Q18

Q17

Q14

Q19

Q10

Q16

INPUT

OUTPUT

COMMON (GND)

Q15

Q11-1

Q11

R12

R19

R10

R15

R14

R16

R21

R20

R22

R23

R17

R13

R11

R18

COMMON (GND)

IC237

: KIA7912PI

Voltage regulator

Q28

Q17

Q18

Q19

Q20

Q31

Q23

Q21

Q22

Q24

Q25

Q26

Q27

Q10

Q11

Q14

Q15

Q16

Q27-1

Q26-1

Q12 Q13

Q29

Q30

R14

R17

R19

R20

R21

R22

R23

R24

R25

R26

R10

R11

R12

R13

R16

R15

R18

OUTPUT

INPUT

IC233, 234

: KIA7805API

Voltage regulator

Q12

Q13

Q18

Q17

Q14

Q19

Q10

Q16

INPUT

OUTPUT

COMMON (GND)

Q15

Q11-1

Q11

R12

R19

R10

R15

R14

R16

R21

R20

R22

R23

R17

R13

R11

R18

OPERATION (3)

OPERATION (2)

OPERATION (4)

OPERATION (5)

R, L models

AC IN

to OPERATION (1)_CB203

Page 75

WER

TRANSFORMER

To POWER TRANSFORMER

to MAIN (1)_CB103

age 77

to DSP_CB516

age 73

Summary of Contents for RX-V461 - AV Receiver

Page 1: ...ubject to change without notice or obligation to retrofit Should any discrepancy appear to exist please contact the distributor s Service Division WARNING Static discharges can destroy expensive compo...

Page 2: ...ple of COAXIAL terminal COAXIAL After replacing the following parts with the replacement part be sure to write the latest firmware DSP P C B IC201 DSP P C B Required Tools DVD or CD player with DIGITA...

Page 3: ...FIRMWARE UPDATE mode will then be acti vated and SPDIF Upgrade is displayed Fig 2 3 Connect the power cable of DVD CD player to the AC outlet 4 Press the STANDBY ON key of the DVD CD player 5 Press th...

Page 4: ...ata is not corrupted and perform Steps 1 to 8 of Operation Procedures again If Upgrade Failed is displayed perform Steps 1 to 8 of Operation Procedures again 9 Press the STOP key of the DVD CD player...

Page 5: ...CHECK SPEAKERS SET 6CH INPUT MIC CHECK FL OSD CHECK TEST TONE FACTORY PRESET AD DATA CHECK XM STATUS U C models DOCK USB Not applied to these models DAB Not applied to these models ANALOG BYPASS DSP...

Page 6: ...3 IF 4 IF 5 IF 6 IF 7 IF 8 IF 9 IF 10 IF 11 IF 12 IF 13 IF 14 IF 15 IF 16 IF 17 PRD L PRD H PRV L PRV H THM PLD8H PLD8L PLD6H PLD6L PRI PDET History 1 History 2 History 3 History 4 SW MODE MODEL DESTI...

Page 7: ...nit an opening mes sage including the protection history appears for a few seconds followed by the DIAG menu display 1 ANALOG BYPASS STANDBY ON 3 FL SLEEP StartingDIAGintheprotectioncancelmode If the...

Page 8: ...y of protection function due to abnormal DC output DC 3 Cause DC output of the power amplifier is abnormal Supplementary information The protection function worked due to a DC voltage appearing at the...

Page 9: ...on PRV PRT xxx 1 Cause The voltage in the power supply section is abnormal Supplementary information The protection function worked due to a de fect or overload in the power supply If the power is tur...

Page 10: ...G BYPASS Functions in DIAG mode In addition to the DIAG menu items functions as listed below are available Power on off Master volume Muting Speakers A B OFF Input selection Audio select Tone control...

Page 11: ...it is possible to select ANALOG BYPASS output or DSP BYPASS output ANALOG BYPASS The analog input sound signal is output to FRONT L R with EFFECT OFF INPUT DVD ANALOG SPEAKER OUT 1 kHz SUBWOOFER OUTP...

Page 12: ...T SML 0dB FRONT SML 0dB The FRONT L R signal when 90 Hz or lower is mixed to the channel specified by LFE BASS FRONT L R 90 Hz LFE BASS CENTER NONE The CENTER signal is distributed to FRONT L R CENTER...

Page 13: ...nu 6 ch INPUT 8 ohm 6 ch INPUT 8 ohm Input level Volume SPEAKER OUT SUBWOOFER OUTPUT INPUT MULTI CH INPUT SPEAKER OUT 1 kHz SUBWOOFER OUTPUT 50 Hz Both ch 20 dBm 6 0 dB FRONT 11 5 dBm CENTER 11 5 dBm...

Page 14: ...OSD OFF OSD OSD characters ON OSD OSD characters ON OSD 6 FL OSD CHECK FL S FL STRAIGHT 6 FL OSD CHECK Use this program to check the FL display section and video control section When checking the vid...

Page 15: ...ngs or to reset the RAM Any protection history will be cleared RAM RAM 8 PRESET RSRV 7 TEST TONE LFE SUBWOOFER 35 80 Hz 500 2 kHz 7 TEST TONE The noise generator with a built in microprocessor outputs...

Page 16: ...ing the sub menu When K0 K1 menu is selected keys become non op erable due to detection of the values of all keys How ever it is possible to advance to the next sub menu by turning the VOLUME of the m...

Page 17: ...resistor solder condition etc Refer to table Reference voltage 3 3 V 255 PLDET LIM H 255 L 102 U C models Reference voltage 3 3 V 255 During normal operation 255 H Value for starting limiter operatio...

Page 18: ...nal is output XM tone 32 0 kHz The XM tone 32 0 kHz is output ISO tone 32 0 kHz The ISO tone 32 0 kHz is output XM bus power OFF The power of XM module is turned off 10 MUTE 44 10 XM TONE 44 10 ISO TO...

Page 19: ...4 TX and No 18 RX between pins No 1 PWR and No 17 ACCPOW and between pins No 4 iPDET and No 8 DGND Start the DIAG function and select the menu The check result is displayed according to the follow ing...

Page 20: ...ohm High The value for canceling limiter operation of PLD8 is displayed PLD8 PLD PLDET Power limiter detection 6 ohm Low The value for starting limiter operation of PLD6 is displayed PLD6 PLD PLDET Po...

Page 21: ...V461 HTR 6040 DSP AX461 16 PROTECTION HISTORY 4 16 PROTECTION HISTORY Four protection histories are displayed History 1 1 History 2 2 History 3 3 History 4 4 16 PRI 90 Example 16 PRD 34 Example 16 TH...

Page 22: ...B settings As this is a development menu it is not possible to describe the details Switch mode Model Destination Tuner destination VIDEO format AAC OSD YPAO RDS XM DAB USB DOCK iPod 17 MODEL 461 17 D...

Page 23: ...e is displayed SPI SPD S PDIF checksum Checksum value of SPD firmware update code is displayed SPD XM version Firmware version of XM is displayed XM DAB version Firmware version of DAB is displayed No...

Page 24: ...1 1 2 1 3 1 4 1 5 1 6 1 7 2 1 2 2 2 3 2 4 2 5 2 6 2 7 3 1 3 2 3 3 3 4 3 5 3 6 3 7 4 1 4 2 4 3 4 4 4 5 4 6 4 7 5 1 5 2 5 3 5 4 5 5 5 6 5 7 16G S1 S6 S26 S18 S19 S15 S16 S17 S20 S21 S22 S2 1a 2a 1b 1c 2...

Page 25: ..._CLK PP10 PP11 PP12 VDDINT PP13 PF15 PF14 PF13 GND VDDEXT PF12 PF11 PF10 PF9 PF8 PF7 PF6 GND GND GND GND GND GND VDDEXT PF5 PF4 PF3 PF2 PF1 PF0 VDDINT SCK MISO MOSI GND VDDEXT DT1SEC DT1PRI TFS1 IC DA...

Page 26: ...ransmission Ground of external I O power supply EX3 3 Serial port 0 serial transmission clock Serial port 0 secondary reception data Serial port 0 primary reception data Serial port 0 frame synchroniz...

Page 27: ...Ground of external Ground of external Ground of external I O power supply EX3 3 SDRAM address bus 12 SDRAM address bus 11 SDRAM address bus 10 SDRAM address bus 09 SDRAM address bus 08 SDRAM address b...

Page 28: ...supply Pin No Port Name Function Name Detail of Function 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 OE 1D 2D 3D 4D 5D 6D 7D 8D GND LE 8Q 7Q 6Q 5Q 4Q 3Q 2Q 1Q VCC EXPE D08 D09 D10 D11 D12 D13...

Page 29: ...IN P C B Main speakers B relay RY102 MAIN P C B Center surround speakers relay RY103 RY105 MAIN P C B Subwoofer mute Power supply Pin No Port Name Function Name Detail of Function IC206 1 2 3 4 5 6 7...

Page 30: ...kSPS 8 bit A D converter 1 2 3 4 5 6 7 8 9 10 CS VA GND IN4 IN3 IN2 IN1 DIN DOUT SCLK SPISEL1 VA DGND IN4 IN3 KEY1 KEY0 SPIMO SPIMI SPISCK CS for microprocessor 3 3S Ground of external SPI bus COM IC4...

Page 31: ...tion R416 ohm R410 ohm DEST2 2 pin V A D value 3 3 V 255 Destination 1 5 k 3 3 k 2 1 2 4 164 189 J 5 6 k 22 k 2 5 2 8 190 215 U C 1 0 k 8 2 k 2 8 3 1 216 239 R 6 8 k 3 3 k 1 0 1 3 70 99 K 100 k open 3...

Page 32: ...LPF LPF LOUT4 ROUT4 DAC DATT DEM DAC DATT DEM DAC DATT DEM DAC DATT DEM DAC DATT DEM DAC DATT DEM DAC DATT DEM AVDD AVSS CCLK SCL CDTI SDA CSN DAUX1 SDTI4 SDTI3 SDTI2 SDTI1 XTL1 XTL0 PDN MASTER DZF2 D...

Page 33: ...I2C pin H Control data input pin in serial mode I2C pin L Control data pin in serial mode I2C pin H Chip select pin in serial mode I2C pin L This pin should be connected to DVSS I2C pin H AUX audio se...

Page 34: ...ould be connected to PVSS Receiver channel 1 pin Internal biased pin Internally biased at PVDD 2 Test 1 pin This pin should be connected to PVSS Receiver channel 2 pin Internal biased pin Internally b...

Page 35: ...OUT SLOUT SBR OUT SBL OUT SBLC SBRC SWC SRC SLC A GND A GND A GND A GND A GND A GND TREL BASSL2 BASSL1 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 50 A VEE 0 6 12 18dB ATT SUB 0 95dB 0 5...

Page 36: ...nalog GND terminal L R C SW SL SR SBL SBR ch terminal to connect capacitor to reduce noise from changing the volume FL FR C SW SL SR SBL SBR ch output terminal Analog GND terminal FL FR C SW SL SR SBL...

Page 37: ...R ch input terminal input selector No connected L R ch input terminal input selector L R ch REC output terminal L R ch input terminal input selector L R ch REC output terminal No connected L R ch inp...

Page 38: ...e select Code write Code command control circuit DIG00 63 53 DIG10 2 data timing clock dot data write scan pulse RESET SCK SDATA XOUT XIN Vcc1 SEG34 SEG33 SEG32 SEG31 SEG30 SEG29 SEG28 SEG27 SEG26 SEG...

Page 39: ...nt output Segment output Segment output Segment output Segment output Segment output Segment output Segment output Segment output Segment output Segment output Segment output Segment output Segment ou...

Page 40: ...D L R FM AM TUNER CONTROL TONE Buffer amplifier with adjustable gain 21 23 17 9 11 15 IC237 KIA7912 D2162 KIA7812 Power supply for interface regulator Power supply for ADC 4ch 3 3S Power supply for Mi...

Page 41: ...ISCK ADSEL0 2 SPIMI SPIMO SPISCLK SCKOSD3 SDTOSD3 5SPIMO 5SPISCK CEOSD3 SPISEL4 SPISEL6 SCLK DI DO 5SPIMI 5SPISEL5 5SPIMI 5SPISCK 5SPISEL6 5SPIMO 5SPISCK CEP SCLK RDDA 5SPIMI 5SPISCK RDS_RST SPISEL5 C...

Page 42: ...2 7 0 3 0 3 0 4 0 4 0 4 0 4 0 4 0 4 1 4 3 3 3 3 3 3 2 1 2 0 2 0 2 2 2 3 2 3 2 2 2 5 3 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 POINT 3 Pin 11 of IC101 IC101 ADSP BF531 CPU Microprocessor IC102 BR25L3...

Page 43: ...DRAM DQ0 DQ15 UDQM LDQM CLK CKE A10 CLOCK BUFFER COMMAND DECODER ADDRESS BUFFER REFRESH COUNTER COLUMN COUNTER CONTROL SIGNAL GENERATOR MODE REGISTER CELL ARRAY BANK 2 COLUMN DECODER SENSE AMPLIFIER C...

Page 44: ...illator PDN INT0 LRCK2 BICK2 SDTO2 DAUX2 MCKO2 XTO XTI R PVDD PVSS CDTI CDTO CCLK CSN DVDD DVSS TVDD MCKO1 I2C RX0 RX1 RX2 RX3 RX4 RX5 RX6 RX7 DIT TX0 Error Detect STAT US INT1 Q subcode buffer TX1 B...

Page 45: ...N74LV4051APWR 8 channel analog multiplxers demultiplexers IC401 ADC084S021 CIMM 4 channel 200 ksps 8 bit A D converter IN1 IN2 IN3 MUX T H VA 8 Bit SUCCESSIVE APPROXIMATION ADC GND IN4 GND SCLK CONTRO...

Page 46: ...Pin 4 of Q501 AC cable ON AC cable OFF Pin 13 of IC101 B Pin 9 of IC201 C A Pin 4 of Q501 Pin 13 of IC101 B Pin 9 of IC201 C AC cable ON ANALOG L FL SW SL C 4B 13 4A 12 4Y 11 3B 10 3A 9 3Y 8 1B 2 1Y...

Page 47: ...must be replaced with parts having specifications equal to those originally installed Schematic diagram is subject to change without notice DSP 6 6 No replacement part available U C models U C models...

Page 48: ...6 21 4 21 4 21 4 26 4 13 4 13 8 19 8 19 7 18 1 18 2 26 4 23 2 13 3 15 0 15 0 17 3 19 6 19 6 18 3 26 4 24 9 24 9 24 9 24 9 24 9 24 9 24 9 24 9 24 9 24 9 24 9 24 9 24 9 24 9 5 3 2 8 1 6 4 7 IC202 AZ4580...

Page 49: ...r Current Protection Thermal Protection IC232 NJM2388F33 Low dropout voltage regulator with ON OFF control GND Cont Vin Vout 2 1 4 3 Thermal Protection Bandgap Reference ON OFF control Over Voltage Pr...

Page 50: ...3 47 0 47 2 47 2 47 5 47 5 46 3 3 0 2 6 2 9 2 9 3 2 0 0 0 4 0 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 SURROUND L SURROUND L CENTER CENTER FRONT L FRONT L IC101 STK433 330 E 3 channel AF power...

Page 51: ...AGND INR1 INR2 INR3 INR4 INR5 INR6 INR7 INR8 INR9 INL1 INL2 INL3 INL4 INL5 INL6 INL7 INL8 INL9 N C N C N C N C INRB RECR2 INLB RECL2 INR10 RECR4 INR11 RECR5 INL10 RECL4 INL11 RECL5 RECR3 RECL3 FLIN1...

Page 52: ...version 3rd inversion 3rd inversion 3rd inversion control register 31 inking control register 31 inking control register Character control counter Timing generator Line control counter 31 inking contr...

Page 53: ...voltmeter Components having special characteristics are marked s and must be replaced with parts having specifications equal to those originally installed Schematic diagram is subject to change witho...

Page 54: ...8MHz JP1 JP2 JP3 JP4 C2 TP31 TP26 TP25 TP24 TP23 TP22 TP21 TP20 57 58 59 SCENE 2 SCENE 3 SCENE 4 TP19 TP17 TP16 TP13 TP12 TP11 TP10 TP15 TP14 AMP TV SW1 SOURCE TP30 TP6 47 ohms R3 R1 1 ohm R2 470 ohm...

Page 55: ...V Mute TV Input P1 P2 P3 P4 P5 P6 P7 P8 BAND PRESET A B A E PRESET 14 V AUX DOCK TV Power Power TV VOL up TV CH up TV VOL down TV CH down TV Mute TV Input 1 2 3 4 5 6 7 8 9 0 10 10 enter VCR CH up VCR...

Page 56: ...3 23 P20 24 P21 25 P22 26 P23 27 P24 28 P34 14 P33 13 U1 ZLR32300H2832G 3V J1 R6 100 K ohms 1 3 2 TV POWER MULTI CH INPUT AV POWER MUTE POWER SLEEP STANDBY AUDIO SEL DVD CD D TV CBL TV CH TV CH TUNER...

Page 57: ...84 7A 9F 7A DE 7A 9E 7A AA 7A 9C 7A C2 device device device device device device device device 7A 59 7A 58 7A 94 7A 56 7A 8D 7A 95 7A DD TV Power 7F01 20 TV CH TV CH TV VOL TV Power 7F01 00 TV CH TV C...

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