Yamaha RXA-3020 Service Manual

RX-A3020/RX-V3073

Pin No.

163

Port Name Function Name ON OFF Detail of Function

IIO0_0/TXD7/AN15_0/ P15_0

HRX1_N_MT HDMI_PON I L act O Low Mute from HDMI RX1 (for HAU_N_INT distinction)

Related Power Supply

I/O Logic I/O Logic

164 VCC VCC --165 KI3/AN_7/P10_7 +3.3S_PON +3.3S_PON O H act O Low +3.3S power supply 166 KI2/AN_6/P10_6 AD2_COM +3.3S_PON I A/D O Low AD selector 2 COM input 167 KI1/AN_5/P10_5 AD1_COM +3.3S_PON I A/D O Low AD selector 1 COM input 168 KI0/AN_4/P10_4 HRX2_N_MT HDMI_PON I L act O Low Mute from HDMI RX2 (for HAU_N_INT distinction) 169 AN_3/P10_3 KY_AD3 AC I A/D O Low Key 3 170 AN_2/P10_2 KY_AD2 AC I A/D O Low Key 2 171 AN_1/P10_1 KY_AD1 AC I A/D O Low Key 1 172 AVSS AVSS ---

173 AN_0/P10_0

HDR_N_RST PRY O L act O Low HD Radio reset (U model)

TUN_N_RST PRY O L act O Low Tuner reset (C, R, T, K, A, B, G, F, L, S, J models) 174 VREF VREF --175 AVCC AVCC ---

STXD4/SCL4/RXD4/

176

ADTRG/P9_7

Key detection for A/D por t Key input (A/D) pull-up resistance 10 k-ohms

Detected voltage value

at 171 pin

A/D value

(3.3 V=255)

KEY1

Detected voltage value

at 170 pin

A/D value

(3.3 V=255)

KEY2 STRAIGHT

Detected voltage value

at 169 pin

A/D value

(3.3 V=255)

KEY3

0 Ω + 0.82 kΩ + 0.82 kΩ + 1.0 kΩ + 1.5 kΩ + 1.5 kΩ + 1.8 kΩ + 2.7 kΩ

0 –

0.125 V

0 – 9 10 – 27 28 – 44 45 – 63 64 – 83 84 – 100 101 – 118 119 – 137

SCENE4SCENE3SCENE2SCENE1ZONE 2

0 Ω + 0.82 kΩ + 0.82 kΩ + 1.0 kΩ + 1.5 kΩ + 1.5 kΩ + 1.8 kΩ + 2.7 kΩ + 3.3 kΩ + 4.7 kΩ + 6.8 kΩ + 12.0 kΩ + 22.0 kΩ

0 –

0.125 V

0 – 9 10 – 27 28 – 44 45 – 63 64-83 84 – 100 101 – 118 119 – 137 138 – 155 156 – 173 174 – 191 192 – 209 210 – 227

0 Ω + 0.82 kΩ + 0.82 kΩ + 1.0 kΩ + 1.5 kΩ + 1.5 kΩ + 1.8 kΩ + 2.7 kΩ + 3.3 kΩ + 4.7 kΩ

0 –

0.125 V

0 – 9 10 – 27 28 – 44 45 – 63 64 – 83 84 – 100 101 – 118 119 – 137 138 – 155 156 – 173

PRESET

HDR_MISO PRY I Data O Low HD Radio reception data (U model)

TUN_SCL PRY O Data O Low Tuner I2C clock (C, R, T, K, A, B, G, F, L, S, J models)

0.125 –

0.358 V

0.125 –

0.358 V

TONE/

BALANCE

0.125 –

0.358 V

PRESET

0.358 –

0.577 V

0.358 –

0.577 V

OPTION

0.358 –

0.577 V

MEMORY INFO

0.577 –

0.828 V

0.577 –

0.828 V

0.577 –

0.828 V

0.828 –

1.078 V

ON/OFF

0.828 –

1.078 V

ON SCREEN ENTER

0.828 –

1.078 V

ZONE

CONTROL

1.078 –

1.299 V

ZONE 3 ON/OFF

1.078 –

1.299 V

1.078 –

1.299 V

FM AM

1.299 –

1.535 V

ZONE 4 ON/OFF

1.299 –

1.535 V

1.299 –

1.535 V

1.535 –

1.777 V

MAIN ZONE

1.535 –

1.777 V

1.535 –

1.777 V

TUNING/CH TUNING/CH PURE

1.777 –

2.010 V

PROGRAM PROGRAM

1.777 –

2.010 V

2.010 –

2.241 V

2.010 –

2.241 V

DIRECT

2.241 –

2.476 V

DISPLAY RETURN

2.476 –

2.709 V

2.709 –

2.940 V

RX-A3020/RX-V3073

Destination detection for AD port Pull-up resistance 10 k-ohms

A/D value

(3.3 V=255)

Destination J U C R, S T K A B, G, F L

0 − 12 13 − 39 40 − 67 68 − 92 93 − 115 116 − 140 141 − 169 199 − 221 222 − 244

101

RX-A3020/RX-V3073

• Microprocessor extended port

IC70, 71: TC74VHC273FT (EL,K) (DIGITAL P.C.B.)

Octal D-type flip-flop with clear

Q1

D1

D2

Q2

Q3

D3

D4

Q4

GND

Inputs Output

DCKCLR

XX

L

H

X

H

RX-A3020/RX-V3073

IC70

R32C Related Power Supply

external Function Name ON OFF Detail of Function

No.

bus data I/O Logic I/O Logic

2 D[8] HDMI_PON HDMI_PON O H act O Low HDMI power supply (Necessary for DSP, A-VIDEO drive)

5 D[9] HRX1_N_RST HDMI_PON O L act O Low HDMI receiver reset

6 D[10] HTX1_N_RST HDMI_PON O L act O Low HDMI transmitter reset

9 D[11] HTX2_N_RST HDMI_PON O L act O Low HDMI transmitter 2 reset

12 D[12] CEC_EN HDMI_PON O H act O Low CEC function ON/OFF of HDMI transmitter 2

15 D[13] HTX_AUSEL HDMI_PON O H HRX O Low HDMI transmitter sound select

16 D[14] HAU_N_OE HDMI_PON O L act O Low HDMI to DIR sound output enable

19 D[15] ZTX_AUSEL2 AC O Low O Low Switching of the HDMI sound and except HDMI

1CLR

2

3

4

5

6

7

8

9

10

20 V

CC

19

Q8

D8

18

D7

17

16

Q7

15

Q6

14

D6

D5

13

12

Q5

CK

11

Q

L

H

Q

n

Function

Clear

No Change

CLR

CK

−

D1

3

1

11

D2

4

R

D

Q

CK

2

Q1

D3

7

R

D

Q

CK

5

Q2

D4

8

R

D

Q

CK

6

Q3

D5

13

R

D

Q

CK

9

Q4

D6

14

R

D

Q

CK

12

Q5

D7

17

R

D

Q

CK

15

Q6

D8

18

R

D

CK

R

D

Q

16

Q

CK

19

Q7

Q8

IC71

Pin No.

R32C Related Power Supply

external Function Name ON OFF Detail of Function

bus data I/O Logic I/O Logic

2 D[0] HSW_N_RST HDMI_PON O L act O Low HDMI switcher reset (L period: More than 5ms)

5 D[1] VDEC_N_RST VID_PON O L act O Low Video decoder reset

6 D[2] WIFI_PON WIFI_PON O H act O Low WiFi adaptor power supply control (spare)

9 D[3] HRX_VSEL HDMI_PON O L DEC O Low Video decoder to scaler route enable

12 D[4] F_HEQ_CE HDMI_PON O H act O Low Front HDMI + 3.3HF power supply:

Interlocking movement with HDMI_PON

15 D[5] VID_PON VID_PON O H act O Low Video power supply

16 D[6] +3.3D_PON +3.3D_PON O H act O Low OR of HDMI_PON, DSP_PON, NET_USB_PON

19 D[7] PRY PRY O H act O Low Power relay

102

IC72, 73: TC74VHC273FT (EL,K) (DIGITAL P.C.B.)

Octal D-type flip-flop with clear

RX-A3020/RX-V3073

1CLR

2

Q1

D1

3

D2

4

5

Q2

6

Q3

7

D3

D4

8

9

Q4

10

GND

Inputs Output

DCKCLR

XX

L

H

X

H

20 V

CC

19

Q8

D8

18

D7

17

16

Q7

15

Q6

14

D6

D5

13

12

Q5

CK

11

Q

L

H

Q

Function

Clear

No Change

n

CLR

CK

−

D1

3

1

11

D2

4

R

D

Q

CK

2

Q1

D3

7

R

D

Q

CK

5

Q2

D4

8

R

D

Q

CK

6

Q3

D5

13

R

D

Q

CK

9

Q4

D6

14

R

D

CK

R

D

Q

CK

12

Q5

IC72

Pin No.

R32C Related Power Supply

external Function Name ON OFF Detail of Function

bus data I/O Logic I/O Logic

2 D[8] MONO_Z2 PRY O H act O Low ZONE 2 stereo/mono output switch

5 D[9] MONO_Z3 PRY O H act O Low ZONE 3 stereo/mono output switch

6 D[10] EX2_N_RST AC O L act O Low Reset of expansion IO2

9 D[11] EX2_N_CS AC O H act O Low Chip select of expansion IO2

12 D[12] DAC_N_CS_SW DSP_PON O L act O Low DAC chip select SW

15 D[13] DAC_N_CS_FP DSP_PON O L act O Low DAC chip select Front Presence

16 D[14]

DAC_N_RST_SB_FP

DSP_PON O L act O Low DAC reset Surround Back/Front Presence

19 D[15] DAC_MUTE_RP DSP_PON O H act O Low DAC mute Rear Presence

D7

17

Q

15

Q6

D8

18

R

D

CK

R

D

Q

16

Q

CK

19

Q7

Q8

RX-A3020/RX-V3073

IC73

Pin No.

R32C Related Power Supply

external Function Name ON OFF Detail of Function

bus data I/O Logic I/O Logic

2 D[0] SCR_N_RST HDMI_PON O L act O Low Reset of scaler (VHD1900)

5 D[1] Spare AC O Low O Low Spare (for power supply control of VIDEO P.C.B.)

(VID_PON2)

6 D[2] FLP_PON FLD_PON O H act O Low FL driver VH and filament power supply control

9 D[3] DAC_N_RST DSP_PON O L act O Low DAC reset C/SR/SW

12 D[4] DAC_N_RST_F DSP_PON O L act O Low DAC reset Front

15 D[5] VID_PON VID_PON O H act O Low Video power control

16 D[6] DSP2_N_RST DSP_PON O L act O Low Reset of DSP2

19 D[7] VOL3_CS PRY/ O L act O Low VOL3 (NJU7313AM) chip select

DSP_PON

103

RX-A3020/RX-V3073

IC76, 77: SN74LV4051APWR (DIGITAL P.C.B.)

8-channel analog multiplexers/demultiplexers

1

16

Y4 Y6

COM

Y7 Y5

INH GND GND

2 3 4 5 6

7 8

V

CC

15

Y2

14

Y1

13

Y0

12

Y3

11

A

10

B

9

C

3

COM

13

Y0

14

11

A

Y1

15

Y2

INH

L L L L L

L L L

H

RX-A3020/RX-V3073

IC76 (AD2)

Port Name Function Name ON OFF Detail of Function

No.

AD selector 2 (AD2_COM signal is input into AN_6 of R32C)

1 Y4 THM2 +3.3S_PON I A/D I --- Temperature detection 2

2 Y6 THM3 +3.3S_PON I A/D I --- Temperature detection 3

4 Y7 THM4 +3.3S_PON I A/D I --- Temperature detection 4

5 Y5 DEST +3.3S_PON I A/D I --- Destination distinction

12 Y3 MODEL +3.3S_PON I A/D I --- Model distinction

13 Y0 Space +3.3S_PON I A/D I --- –

14 Y1 USB_VBUS_PRT +3.3S_PON I A/D I --- Front USB overcurrent detection

15 Y2 Space +3.3S_PON I A/D I --- –

INPUTS C L L L L H H H

H X

BA

L

H

L

H

L

H

L

H

X

ON

CHANNEL

Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7

None

10

B

9

C

6

INH

Related Power Supply

I/O Logic I/O Logic

12

Y3

1

Y4

5

Y5

2

Y6

4

Y7

IC77 (AD1)

Port Name Function Name ON OFF Detail of Function

No.

AD selector 1 (AD1_COM signal is input into AN_5 of R32C)

1 Y4 PS2_PRT +3.3S_PON I A/D I --- Power supply protection 2

2 Y6 PS1_PRT +3.3S_PON I A/D I --- Power supply protection 1

4 Y7 AMP_OLV PRY I A/D I --- Amplifier output level detection

5 Y5 DC_PRT PRY I A/D I --- DC protection

12 Y3 THM1 +3.3S_PON I A/D I --- Temperature detection 1

13 Y0 PS3_PRT AC I A/D I --- Power supply protection 3

14 Y1 L3_DET VID_PON I A/D I --- D terminal L3 detection

15 Y2 MODE +3.3S_PON I A/D I --- Special mode distinction

Related Power Supply

I/O Logic I/O Logic

104

RX-A3020/RX-V3073

IC306: R5F213G1DN400SP#W4 (VIDEO P.C.B.) IC182: R5F213G1DN400SP#W4 (AMPPOWER P.C.B.)

Single chip 16 bit microprocessor

48431

I/O ports

Peripheral functions

Timers

Timer RA (8 bits x 1) Timer RB (8 bits x 1) Timer RC (16 bits x 1) Timer RE (8 bits x 1)

Watchdog timer

(14 bits)

A/D converter

(10 bits x 8 channels)

Port P0

clock synchronous serial I/O

R8C microprocessor core Memory

R0H R1H R1L

Port P1 Port P3 Port P4

UART or

(8 bits x 2)

R0L

R2 R3

A0 A1

FB

NOTES:

System clock

generation circuit

XIN-XOUT

High-speed on-chip oscillator

Low-speed on-chip oscillator

XCIN-XCOUT

Low-speed on-chip oscillator

for watchdog timer

Voltage detection circuit

Comparator B

SB

USP

ISP

INTB

PC

FLG

1. ROM size varies with MCU type.

2. RAM size varies with MCU type.

Multiplier

ROM

RAM

FILT

1

AVSS

2

PDN

3

SMUTE

(1)

(2)

ILRCK

DEM0

DEM1

IBICK

SDTI

IDIF0

IDIF1

IDIF2

4

5

6

7

8

9

10

11

12

IC306 (Expansion IO1)

Port Name Function Name ON OFF Detail of Function

No.

8 P17 – AC O Low O Low No used

9 P16 – AC O Low O Low No used 10 P15 – AC O Low O Low No used 11 P14 DC_TRG2 PRY O H act O Low Control out 2 12 P13 – AC O Low O Low No used 13 P12 DC_TRG1 PRY O H act O Low Control out 1 14 P11 VO_SEL2 VID_PON O Low O Low MON output select of Y/C 15 P10 VO_SEL1 VID_PON O Low O Low MON output select of Y/C 17 P07 – AC O Low O Low No used 18 P06 VID_SEL1 VID_PON O O Low Input select of Y/C 19 P05 VID_SEL2 VID_PON O O Low Input select of Y/C 20 P04 VID_SEL3 VID_PON O O Low Input select of Y/C 21 P03 V_N_FMUTE VID_PON O O Low Video full mute 22 P02 VZ_SEL3 VID_PON O O Low ZONE 2 select of Y/C 23 P01 VZ_SEL2 VID_PON O O Low ZONE 2 select of Y/C 24 P00 VZ_SEL1 VID_PON O O Low ZONE 2 select of Y/C

Related Power Supply

I/O Logic I/O Logic

IC182 (Expansion IO2)

Port Name Function Name ON OFF Detail of Function

No.

8 P17 – – – – O Low No used

9 P16 – – – – O Low No used 10 P15 – – – – O Low No used 11 P14 – – – – O Low No used 12 P13 – – – – O Low No used 13 P12 – – – – O Low No used 14 P11 – – – – O Low No used 15 P10 PA_B_RY1 PRY O 17 P07 – PRY – – O Low No used 18 P06 19 P05 20 P04

SPRY_F_RP_CTRL SPRY_ZRP_CTRL SPRY_ZFP_CTRL

PRY O H act O Low SP relay Front -> SP2 PRY O H act O Low SP relay Surround Back -> SP2 PRY O H act O Low SP relay Front Presence -> SP1

21 P03 SPRY_SB_CTRL PRY O H act O Low SP relay Surround Back

24

VDD

23

DVSS

TVDD

22

MCLK

21

OLRCK

20

OBICK

19

SDTO

18

ODIF1

17

ODIF0

16

CMODE2

15

CMODE1

14

CMODE0

13

22 P02 SPRY_SR_CTRL PRY O H act O Low SP relay Surround 23 P01 SPRY_C_CTRL PRY O H act O Low SP relay Center 24 P00 SPRY_F_CTRL PRY O H act O Low SP relay Front

IC61, 62: Sii9136CTU-3 (DIGITAL P.C.B.)

HDMI transmitter

Port Name Function Name ON OFF Detail of Function

No.

26 GPIO0 NC HDMI_PON O L --- --- Unconnected: Output LOW setting

39 GPIO2 NC HDMI_PON O L --- --- Unconnected: Output LOW setting

49 GPIO3 5HT*_PON HDMI_PON O H act --- --- HDMI out * 5VPWR output control

77 GPIO1 NC HDMI_PON O L --- --- Unconnected: Output LOW setting

Related Power Supply

I/O Logic I/O Logic

H:B=Low

O Low Power amplifier B power supply control 1

Related Power Supply

I/O Logic I/O Logic

Low: 5V Power OFF / High: 5V power ON

105

ABCDEFGH I J

RX-A3020/RX-V3073

1

■ BLOCK DIAGRAMS

AUDIO Section Block Diagram

OPERATION

2

DIGITAL

r 4FFQBHFm→

USB

LAN

r 4FFQBHF→

SCHEMATIC DIAGRAM

IC951

NETWORK

microprocessor

IC937

DAC

PCM5101PWR

DANET

FUNCTION (2)

AV 1 (Coax) AV 2 (Coax)

AV 3 (Opt) AV 4 (Opt)

AV-OUT/Zone 4 (Opt)

AUDIO 1 (Opt)

AUDIO 2 (Coax)

V-AUX (Opt)

HDMI Rx

SCHEMATIC DIAGRAM

Max:2.8Vrms/typ:0.2Vrms

8chIN(F)

AUDIO 4

3

4

AUDIO 3

AUDIO 2

AUDIO 1

AV 4

AV 3

AV 2

AV 1

PHONO

IC701

PhonoEQ.

NJM2068MD

IN1

IN2

IN3

IN4

IN5

IN6

IN7

IN8

IN9

INB/REC2

IN10/REC4

IN11/REC5

Bypass Bypass

ADC(OUT) 0dB〜42dB-95dB〜0dB

SUB1(OUT) Zone 2 SUB2(OUT) Multi2

INA/REC1 INB/REC2

REC3 IN10/REC4 IN11/REC5

r 4FFQBHF→

SCHEMATIC DIAGRAM

IC903

Zone 2

DIR/

ADC

PCM9211

AV-OUT DASW Multi1

IC938

Zone 2

HDMI

TRANSMITTER

IC937

DAC

PCM5101

DAZ2

8chIN(SW) SUBWOOFER 1/2

DAF

HDMI Tx

IC900

DIR/ADC

PCM9211

IC871

ADC

AK5386VT

0dBFs=2.8Vrms

Multi1

Multi2

IC713 MT_MZ

Multi1 Multi2

SCINDAFP SBCIN

IC741 R2A15220 #1(2/2)

IC911

DSP1

D80YK113

CPTP400

50k-ohms

50k-ohms 100 ohms

50k-ohms

Tone

Control

IC920

DSP2

D80YK113

CPTP400

0dB〜42dB-95dB〜0dB

IC812-815

DAC

PCM1789

PWR

Front Zone 2/FP typ:1Vrms(Vol:+16.5dB)

Z2 to SB/EX2

C/SW typ:1Vrms(Vol:+16.5dB)

Surr.Back

SW1/2

FP/HPSurround

Front

BiAmp to SB/EX2

LPF LPF LPF

LPF

LPF LPF LPF

J7414/7418

0dBFs=2.8Vrms DAF

DASr DASB(/FP/RP) DAC

DASW1/2 DAFP DARP

DAC

r 4FFQBHF→

SCHEMATIC DIAGRAM

IC762

NJM4565M

4.5dB

IC743

NJM7313AM

SW1 SW2 SW3 SW4

SW5 SW6 SW7 SW8

Mute

MT_Z2

Mute

MT_Z3

Mute

MT_MZ

Mute

MT_MZ

Mute

MT_EX1_MI

Mute

MT_F_MI

FUNCTION (1)

IC763

BA15218F

17.78dB

29.03dB

r 4FFQBHF→

SCHEMATIC DIAGRAM

ZONE 2/FrontPres.

typ:1Vrms(Vol:+16.5dB) ZONE 3/RearPres.

OPERATION

r 4FFQBHF→

SCHEMATIC DIAGRAM

PHONES typ:0.6Vrms@8 ohms(Vol:+16.5dB)

typ:1Vrms(Vol:+16.5dB) FRONT

ZONE 2/

SPRY_ZFP

SPRY_F

F. PRESENCE/ BI-AMP

FRONT L/R

ZONE OUT

PRE OUT

V-AUX

ext.IN

5

OPERATION

IN12

IN13

IN14

IC741 R2A15220 #1(1/2)

J7408/7409

r 4FFQBHF→

SCHEMATIC DIAGRAM

Main

Zone 2

Zone 3

ext.Z2 ADC(OUT) typ:28.3Vrms(Vol:+16.5dB)

ext.Z3

6

VIDEO

r 4FFQBHF→

DAF DAC/- C/-C/SW typ:1Vrms(Vol:+16.5dB)

YPAO MIC

DANET

DAZ3

AM/FM Tuner DASB(/FP/RP) SB(/FP/RP)Surr.Back typ:1Vrms(Vol:+16.5dB)

DAFP

SCHEMATIC DIAGRAM

7

DARP SBCIN

IN3 SUB1(OUT) Zone 3

IN4

IN7

IN8

IN9

INB/REC2

IN10/REC4

IN12

IN13

Bypass

IC742 IC742 R2A15220 R2A15220 #2(1/2) #2(2/2)

SUB2(OUT)

INA/REC1 INB/REC2

REC3 IN10/REC4 IN11/REC5

Zone 2 Mono Zone 3 Mono

Multi1 Multi2

Bypass

8chIN(C) CENTER

DASr SrSurround typ:1Vrms(Vol:+16.5dB) 8chIN(SR) SURROUND

8chIN(SB) SURROUND BACK

Multi1 Multi2

SCIN

50k-ohms

Tone

Control

0dB〜42dB-95dB〜0dB

Front

0dB〜42dB-95dB〜0dB

Zone 3/RP

Z3/RP to SB/EX2

IC761

NJM4565M

0dB

Mute

MT_MZ

11chAMP

Mute

MT_EX2_MI

Mute

MT_SB_MI

Mute

MT_MZ

Mute

MT_MZ

Mute

MT_MZ

Mute

MT_SB_PO

29.03dB

SPRY_F_RP

SPRY_ZRP

AMP

SPRY_C

SPRY_SB

SPRY_SR

CENTER

ZONE 2/ZONE 3/ F. PRESENCE/BI-AMP

SURROUND BACK L/R

SURROUND L/R

r 4FFQBHF→

SCHEMATIC DIAGRAM

SPEAKERS

PRE OUT

106

ABCDEFGH I J

RX-A3020/RX-V3073

1

DIGITAL P.C.B. Section Block Diagram

HDMI (Front)

DIGITAL (2)

IC30

HDMI Equalizer

2

HDMI IN

AD8192ACPZ

IN1IN2IN3IN4IN5IN6IN7

r 4FFQBHF→

SCHEMATIC DIAGRAM

HDMI OUT

OUT2

OUT1

NETWORK

USB

RS232C

232C

TRS3221

IC35

DIGITAL (3)

r 4FFQBHF→

SCHEMATIC DIAGRAM

3

4

5

6

7

Analog Video IN

Analog Video OUT

HD Radio Tuner/

AM/FM Tuner

FL display

CEC

B

HDMI_SCL/SDA HDMI_SCL/SDA HDMI_SCL/SDA HDMI_SCL/SDA

A

ADV7630KSVZ

TXB

IC2

HDMI

Switcher

TXA

C

D

HSW1_27MHzHSW2_27MHz

B

A

ADV7630KSVZ

TXB

IC1

HDMI

Switcher

TXA

C

D

HEQ_SCL/SDA

IC62

HDMI

Transmitter

Sil9136CTU-3

IC61

HDMI

Transmitter

Sil9136CTU-3

IC66

ARC Buffer

I2S SD0

IC64

AUP_SD0

Main AudioUP

IC922

SDRAM

64Mbit

TC74VHCU04FT

DIR2_SD0

DSP SPI

AUP_SD0

DSP I2S SD0-7

DSP SPI SPI1

IC921

Serial Flash

8Mbit

W25Q80BVSSG

16bit

HDMI_SCL/SDA

XL51

27MHz

ADCVBS 35 ADSY ADSC ADPb ADPr ADY

DAY DAPb DAPr DACVBS DASY DASC

R1EX25512ATA00A

36 46 47 48 49

RS232C

IC78

EEPROM

512Kbit

AIN1 AIN2 AIN3 AIN4 AIN5 AIN6

DAC A DAC B DAC C DAC D DAC E DAC F

IC3 HDMI Receiver ADV7619KSVZ

115 116

XL1

28.63636MHz

HSW1_27MHz HSW2_27MHz SCLR_27MHz FPGA_27MHz SDRAM_27MHz

IC21

HDMI Decoder

ADV7181CBSTZ

2221

XL20

28.63636MHz

IC20

HDMI Encoder ADV7172KSTZ

Analog Mux

SN74LV4051APWR

Analog Mux

SN74LV4051APWR

Front Panel Key

IC76

IC77

RXARXB

20bit

HDMI_SCL/SDA

IC23-25

Buffer

TC74LCX245FT

DV_SCL/SDA

HDMI_SCL/SDA

HEQ_SCL/SDA

KY_AD3

KY_AD2

KY_AD1

HDMI Receiver ADV7619KSVZ

115 116

XL2

28.63636MHz

HDMI_SCL/SDA

SCLR_27MHz

IC75

Flash ROM

64Mbit

IC71,71

DFF1

VHC272 x2

IC72,73

DFF2

VHC272 x2

UART1

UART2

I2C3

I2C4/UART4

I2C5

SPI10

166

AN6

167

AN5

AN4

169

AN3

170

AN2

171

AN1

IC4

IC41

Scaler

VHD1900

FLASH_N_CS

DFF1_N_CS

DFF2_N_CS

RXARXB

SDRAM_27MHz

FPGA_27MHz

16bit

IC79

M

icroprocessor

R32C/116A

R5F6416MADFE

RAM:96K Byte

ROM:1M Byte

Clock:50MHz

XL70

8MHz CERALOCK

Main HDMI Audio

Zone HDMI Audio

SDRAM

128Mbit

NT5SV8M16HS-6K

48bit

EP4CE15F23C6N

20bit

8bit

FPGA_N_CS

2422

RT_SD0-3

RTZ_SD0-3

RTZ_SPDIF

IC53

16bit

IC50

FPGA

16bit

SPI9UART8SPI6EBIU

SPI0

M12L64164A-5TG2

FPGA SPI

16bit

IC913

SDRAM

64Mbit

RT_SPDIF

RT_SD1-3

36bit

Main HDMI

RT_SD1-3

RT_SPDIF

IC65

Buffer

TC74LCX245FT

HPSD1~SD3

HDIG_DSD0A (HDMI DSD)

DSP SPI

IC910

Serial Flash

8Mbit

W25Q80BVSSG

RT_SD0

NCPU SPI

McASP1

SPI1

D80YK113CPTP400

16bit

EMIFB

SPI0

SZ_SPDIF

SZ_SD0-3

Main/Zone HDMI

Audio Repeat

IC901,902

x2

Zone Audio UP

Z2_SPDIF

RTZ_SD0-3

IC911 DSP1

XL910 20MHz

McASP1

McASP0

145143

M12L64164A-5TG2

IC956 Apple

Authentication MFI341S2162

MAIN OUT

IC903

DIR2

PCM9211PTR

MPIO_C

ADC

MPO1

XL901

24.576MHz

XMCKO

DSP I2S SD0-3

McASP1

D80YK113CPTP400

EMIFB

SPI0

I2C_SCL/SDA

RTZ_SPDIF

(HDMI SPDIF)

IC920

DSP2

145143

XL911 20MHz

TX/RX

IC955

Ethernet PHY

LAN8700C-AEZG-TR

RMII 50MHz

NETWORK

microprocessor

Bridge Co

DM860A

NCPU SPI

SPDIF from DIR1

SPDIF from RX2

HDMI_ARC

HDIG_DSD0A

RX1 I2S (HPSD0)

McASP0

DSP I2S SD0-6

XL951 24MHz

IC951

DSP SPI

DIR I2S

USB_DP/DM

IC952 SDRAM 256Mbit

M12L2561616A-5T MX29GL256FLT2I

Net/USB I2S

ZONE I2S

Net/USB I2S

MPIO_B

IC900

MPIO_C

DIR1

PCM9211PTR

MAIN OUT

IC938

DAC

PCM5101PWR

IC937

DAC

PCM5101PWR

HDMI RX1_SPDIF

HDMI_ARC

AV1_D

AV2_D

AV3_D

AV4_D

DIGITAL (1)

RS232C

16bit16bit

NOR Flash

256Mbit

ZONE_L / R

NET_L / R

AD_L / RADC

Main Zone I2S

DSP SPI

IC953

Zone HDMI

Analog Audio

Zone 2

Analog Audio

ZONE2_AD_L / R

SPDIF Input

Analog Input

MAIN Zone DAC

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SCHEMATIC DIAGRAM

107

ABCDEFGH I J

RX-A3020/RX-V3073

1

VIDEO Section Block Diagram

AV1-AV4_CVBS

,AUX_CVBS,DK1_CVBS

,DK2_CVBS,MUTE IN_CVBS

SEL1(A)VID_/VZ_ SEL2(B) SEL3(C)

AUX_C

OPERATION

2

r 4FFQBHF→

SCHEMATIC DIAGRAM

V-AUX

D4 VIDEO

(J model)

L3_DET IOXV_N_RST +5T

AV 1

3

AUX_Luma

AUX_CVBS

IN1_Y ,DK2_Luma,MUTE×2 VID_SEL1 P0-2 -3.3V TUL/TUR/TUE

IN1_Pb - P0-6 -7V

IN1_Pr VO_SEL1 P0-7 RESET

IN1_C VO_SEL2 P1-0 TUN_SCL

IN1_Luma DC_TRG1 P1-1 TUN_SDA

IN1_CVBS DC_TRG2 P1-3 TUN_N_RST

IN2_Y VZ_SEL2 RDS_RDY

AV 2

IN2_C AD_Z_C

IN2_Luma

4

VIDEO INPUT

AV 3

IN2_CVBS

IN3_Y IR_OUT

IN3_Pb

IN3_Pr

IN3_C DK_CVBS AV_CVBS (0dB Buffer） IN3_Luma DA_CVBS MON_CVBS (6dB Driver）

IN3_CVBS

MUTE

AV1

AV2

AV3

AV4

V-AUX

DK

-

AV1-AV4_Luma

,AUX_Luma,DK1_Luma VID_SEL2 P0-1

AV1_C-AV4_CIN2_Pb VZ_SEL3 P3-7 P4-5

,AUX_C,DK_C,IN2_Pr

,DK2_C,MUTE×2 ZONE_C V_N_FMUTE P4-6

IN_Luma/C

ZONE_Luma/C HDMI_SCL

IN1-4_CVBS IN_Luma SVID_M_DET

AUX_CVBS AD_M_CVBS (0dB Buffer） ±3.3V

OUT_Luma/OUT_C MON_Luma (6dB Driver） +18V TRIGGER OUT 1/2

LLL

LLH

LHL

LHH

HLL

HLH

HHL

HHH

87-89,91

95,96

DA_Luma/DA_C

5

IN4_Y

IN4_Pb

AV 4

Drv

6

MONITOR OUT/

ZONE OUT

AVOUT

MONITOR OUT/

ZONE OUT

C4081

Drv

IN4_Pr AD_Z_Pb

IN4_C AD_M_Pb (6dB Buffer） AD_Z_Luma IN4_Luma DK_CVBS AD_Z_Pb (6dB Buffer） AD_Z_C

IN4_CVBS DA_Pb AV_CVBS (6dB Driver）

AV_C AD_M_Pb AV_Luma AD_M_Pr (6dB Buffer） AD_M_Pr

AV_CVBS IN1-4_Pr MON_Pr (6dB Driver） AD_M_C

MON_Y DA_Pb

MON_Pb DA_Pr

MON_Pr DA_Luma

MON_C DA_CVBS

MON_Luma

MON_CVBS

IN_C AD_M_C (6dB Buffer）

IN1-4_Y MON_Y (6dB Driver）

IN1-4_Pb MON_Pb (6dB Driver） AD_Z_CVBS

IN_Luma AV_Luma (6dB Buffer） AD_M_Luma

18,19,21,22

DA_Y AV_C (6dB Driver） AD_Z_Y

32-35

39-42

DA_Pr AD_M_Luma (6dB Driver） AD_M_CVBS

7

IC*** 0.1046U$

CVBS

INPUT Selector

TC74HC4051AF

VID_SEL1/VID_SEL2/VID_SEL3

IC*** 0.1046U$

CVBS

ZONE Selector

TC74HC4051AF

VZ_SEL1/VZ_SEL2/VZ_SEL3

IC301

Luma

INPUT Selector

TC74HC4051AF

VID_SEL1/VID_SEL2/VID_SEL3

IC302

C

INPUT Selector

TC74HC4051AF

VID_SEL1/VID_SEL2/VID_SEL3

IC303

Luma

ZONE Selector

TC74HC4051AF

VZ_SEL1/VZ_SEL2/VZ_SEL3

IC304

C

ZONE Selector

TC74HC4051AF

VZ_SEL1/VZ_SEL2/VZ_SEL3

12

15

14

94

15

16

31

44

43

IC308

Luma/C

OUTPUT Selector

TC74HC4052AF

0/6

6dB

Selector

6dB

9 IN / 5 OUT

0/6

6dB

Selector

6dB

6 IN / 4 OUT

0/6

6dB

Selector

6dB

6 IN / 4 OUT

0/6

6dB

Selector

6dB

6 IN / 4 OUT

IC305

CVBS/COMPONENT SEL

CVBS/Luma/C/CVBS Driver

NJW1327FU1

VID_SCL/VID_SDA/V_N_FMUTE

VIDEO (1)

±3.3V

ZONE_CVBS PS1_PRT -7V

±3.3V

IN_Luma TUL/TUR/TUE

±3.3V

IN_C +3.3HDR

±3.3V

ZONE_Luma RDS_CLK

±3.3V

OUT_Luma

13

OUT_CDA_Luma/C

3

VO_SEL1/VO_SEL2

1k-ohms

82

75-ohms

81

75-ohms

MON_C (6dB Driver） AD_Z_Luma SVID_Z_DET L3_DET +12V MAX 100mA

83

75-ohms

AD_M_Y (6dB Buffer）

70

1k-ohms

68

1k-ohms

71

75-ohms

69

75-ohms

61

1k-ohms

62

75-ohms

52

1k-ohms

51

1k-ohms

53

75-ohms

49

75-ohms

±3.3V DA_Y

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SCHEMATIC DIAGRAM

C4081

AD_M_CVBS

0dB

±3.3V

AD_Z_CVBS

6dB

IC*** 0.379U$

FHP3350IM14X1

6dB

HDR_PON

+3.3HDR

MODE +18V

±3.3V IOXV_MOSI VID_PON +3.3V

232C_Tx +7V TRG_GND

P1-4

MODE

IC306

I/O EXPANDER R5F213G1DNSP

Q3004

FET SW

UPA672T-T1-A

IC307

MAIN SVIDEO

1

DETECTOR

TC74VHCU04FT

IC307

Zone SVIDEO

DETECTOR

TC74VHCU04FT

AD_Z_Pr

AD_M_Y

DA_C

RXD0

15

14

13

- P1-2 TUN_N_INT

11

IRB_N_RST P1-7

IR_N_PASSAD_Z_Luma RDS_MISO DET_OUT

VZ_SEL1 P3-4 RDS_RST

VID_SEL3 P4-7

9

8

24

23

22

21

20

VID_SDA

VID_SCL

DIGITAL

2

6

3

4

6

5

+3.3M

8

14

Encoder

IOXV_CLK

IOXV_N_CS

IOXV_N_RST

HDMI_SDA

±3.3V

Video

IOXV_MOSI

IOXV_N_RST

Zone Video

Decoder

IC21

Video

Decoder

FPGA/Video Processor

PS1_PRT +5T

REM_IN2

IC50

HDMI

Zone

HDMI

r 4FFQBHFm→

SCHEMATIC DIAGRAM

NJM2388F33

KTA1046-Y-U/P

U3301

REM_IR

SM3385VMH6

Q3310

DTC114EKA

IC331

+3.3HDR

IC332 +3.3V

Q3303-3306

-3.3V

U3301

RDS

LC72725KM-UY-TL

+7V +7V

D3310

Infrared LED

SIR-505STA47

D3310

Infrared LED

SIR-505STA47

Q3308

2N5401C-

AT/P

Q3309

2N5401C-

AT/P

Q3311-3318

12V/100mA

Driver

DC_TRG1/DC_TRG2

VGND

to FUNCTION (1)

AM/FM Tuner / HD Radio

IR_IN_1

IR_OUT_1

IR_IN_2

IR_OUT_2

JK331

IN

OUT

IN

OUT

REMOTE 1

REMOTE 2

P.C.B. AMP

±12RY PS1/PS2_PRT

AMPPOWER (1)

Power transformer

VIDEO (3)

+Vp

DC-DC Converter for FL

P.C.B. OPERATION (1)

+5.5V, DGND, +44V, FGND, FLAC, FLAC, PS2_PRT, FL_PON

P.C.B. FUNCTION

±12V, +5A AG1/2_SENS AG1/2_RETURN

Power supply

108

ABCDEFGH I J

RX-A3020/RX-V3073

1

Power Amplifier and Power Supply Sections Block Diagram

Power amplifier

2

3

4

FL

FR

SR

SBL

FPL

C

SL

SBR

FPR

29dB

+LB/-LB

+B/-B

RY105

RY104

RY107

RY101

RY102

RY101

RY102 RY106

RY106

RY108

+

-

+

-

+

-

+

-

+

-

+

-

+

-

+

-

+

-

+

-

+

-

ZONE 2/ZONE 3/

SURROUND BACK

ZONE 2/ZONE 3/

FRONT

L/R

CENTER

SURROUND

L/R

R. PRESENCE

L/R

F. PRESENCE/

BI-AMP

L/R

SPEAKERS

AC IN

Q2001

Switching Transistor

IC201

Switching control IC

L6566BTR

PRIMARY

SUB-transformer

Lower Voltage limit IC

Over Voltage limit IC

SECONDARY

T2001

IC203

IC204

+5.5V

VIDEO P.C.B.

DIGITAL P.C.B.

I_PRT

DC_PRT

AMP_OLV

EX_SCK

AMP

5

r 4FFQBHF→

SCHEMATIC DIAGRAM

EX_MOSI

EX2_N_CS

EX2_N_RS

AMP_LMT

PS1_PRT

R5F213G

+LB

+B

D1808

C1822

-LB

+7

-B

C1823

D1807

RY180

Power

Transformer

AMP_Power

POWER

r 4FFQBHF→

SCHEMATIC DIAGRAM

POWER

C1826

6

PS2_PRT

+5A

Q1804

+5A

C1827

D1810

-7

C1828

+12V

AMPPOWER

7

r 4FFQBHF→

SCHEMATIC DIAGRAM

-12V

Q1805

+12V

Q1806

-12V

D1809

C1820

C1825

109

ABCDEFGH I J

RX-A3020/RX-V3073

DIGITAL (2)

1

■ PRINTED CIRCUIT BOARDS

(CB31)

Ref no. Location

IC72 D5 IC73 D6 IC75 E5

HPD

FR_SDA

+5VPower

FR_SCL

-

+Vcc

SCL

SDA

F_HEQ_CE

CEC

SheildC

DataC+

DataC-

Sheild0

Sheild1

Data0-

Data0+

Data1+

Sheild2

Data1-

Data2-

Data2+

Sheild

IC76 F5 IC77 F5

DIGITAL (1) (Side A)

HDMI

AV 1

(1 BD/DVD)AV 2AV 3AV 4AV 5AV 6AV 7

2

3

4

TU_SCL/HDR_MISO

5

• Semiconductor Location

Ref no. Location

6

7

DIGITAL (3)

VIDEO (1)

(CB303)

VIDEO (1)

(CB302)

REM_IN2

PS1_PRT

VID_PON

HDMI_SDA

EX_MOSI

EX1_N_CS

NC NC

TUN_N_INT

VIDEO (1)

(CB335)

D1 B2 D2 B2 D3 B2 D4 C2 D5 C2 D6 C2 D7 C2 D8 C2 D9 D2

D10 D2

D11 D2 D12 D2 D13 D2 D14 D2 D15 E2 D16 E2 D17 E2 D18 E2

(W391)

232C_MOSI

DGND

+3.3M

232C_MISO

SVID_DET

TU_N_RST/HDR_N_RST

TU_SDA/HDR_MOSI

ADSY ADSC DASY DASC

VE VE VE VE

DACVBS

VE VE

+5VA

VE

ADCVBS

HDMI_SCL

EX_SCK

EX1_N_RST

+5VA

DAPr

DAPb

DAY

ADPr

ADPb

ADY

L3_DET

+3.3M

IR_OUT

VE VE VE

NC NC

CB70

CB22 CB21

CB71

No replacement part available.

サービス部品供給なし

Ref no. Location

D19 F2 D20 F2

D21 F2 D500 F3 D502 F3 D503 E3 D601 G2 D602 G2 D604 G2 D607 G2 D610 G2

D9300 C6

IC1 D3 IC2 C3 IC3 E4 IC4 E3 IC9 E3

IC20 C3

Ref no. Location

IC21 C4 IC41 F5 IC42 D5 IC50 F3 IC51 F4 IC54 F4 IC60 G2 IC61 G3 IC62 F3

128

1

IC2

32

33

25

36

8

IC936

1

+5.5V

DGND

POWER

(W2003A)(W2003B)

+3.3M

DGND

ACPWR_DET

MCPU_N_RST

AMPPOWER (1)

(W1806)

PRY

DEST

Ref no. Location

IC63 G2 IC64 G3 IC65 G3

97

96

65

64

1324

12

IC20

1

4837

5

4

CB930

CB942

(for service)

AMP (5)

(W1002)

32 17

33

48

16

IC21

49

1

64

8

5

IC939

4

1

CB949

CB75

+3.3S

DGND

Ref no. Location

IC66 G2 IC70 D5 IC71 D6

THM4

THM2

8

IC42

1

CB931

GND

+5USB

128

1

32

33

5

4

20

IC72

1

20

IC73

1

(Writing port)

GND

OPERATION (2)

(W4503)

97

96

IC1

65

64

20

11

IC70

1

10

20

11

IC71

1

10

CB79

FUNCTION (1)

CB78

(CB705)

12

43

IC9

128

1

32

33

1

32

33

128

IC3

97

IC4

64

97

96

65

64

25

48

132

133

176

1

CB73

MT_Z2

+3.3MT

MT_MZ

MT_F_MI

MT_Z3

HP_N_DET

MT_SB_PO

96

65

IC75

IC79

DGND

MT_SB_MI

VOL_MOSI

MONO_N_Z3

VOL1_SCK

VOL2_SCK

VOL3_SCK

MT_EX1_MI

MONO_N_Z2

VOL3_CS

89 88

44

CB9

96

97

24

1

45

OPERATION (1)

128

1

2 1

(CB401)

IC41

3

IC915

4

3 4

IC85

2

IC86

1

3 4

IC50

1

3

1

5

75

100

1

5

IC54

4

65

64

33

32

16 9

IC77

18

FLD_N_CS

FLD_SCK

FLD_N_RST

IC62

FLD_MOSI

MIC_N_DET

2

51 5076

26

25

76

100

1

8

IC51

14

1

16

IC76

8

9

CB77

ISEL_RA

REM_IN1

IRB_GND

ISEL_RB

IR_DATA

FLP_PON

HDMI OUT

5

1

75

IC61

7

1

85

14

PS2_PRT

PSW_DET

KY_AD1

KY_AD3

IC79 E5

1

ARC

CB61CB62CB1CB2CB3CB4CB5CB6CB7

1

20

IC911

DGND

5

9

16

9

16

9

IC64 IC902 IC901

16

133

IC913

IC63

4

3

51

50

26

10

25

IC65

11

176

1

44

45 88

54 28

IC910

127

+5.5

KY_AD2

VDL_RB

FLD_PON

STBY_LED

+5.5

+3.3M

DGND

VDL_RA

PD_LED

Ref no. Location

IC85 F5 IC86 F6

IC900 H4

IC901 G3 IC902 G3 IC903 I5

No replacement part available.

サービス部品供給なし

1

7

IC60

4

1

3

IC66

14

8

1

8

1

8

1

132

89

PS2_PRT

AMPPOWER (1)

4

IC934

5

56

1

44

85

IC921

14

3

2 1

IC916

4

CB74

I_PRT

PS1_PRT

AMP_LMT

AMP_OLV

(W1800)

1

8

IC953

IC914

10

6

5

1

176

45

3

2 1

IC917

4

DGND

EX_SCK

DC_PRT

Ref no. Location

IC910 G5

IC911 G5 IC913 G5 IC914 H4 IC915 F5 IC916 H6

29

28

13

24

25

IC920

+3.3M

IC900

36

48

37

133

132

89

88

IC922

8

14

IC918

7

1

54 28

1

EX_MOSI

EX2_N_CS

EX2_N_RST

NETWORK

(3 NET)

CB951

IC951

12

1

27

+5D

DGND

VAUXD

Ref no. Location

IC917 H6 IC918 H4 IC920 H5 IC921 H5 IC922 H6 IC930 I2

DC OUT

CB932

1

3

28

1

27

1

36

9

10

13

24

CB923

CB76

DAC

(W852)

12

25

IC955

18

CB952

11

20

11

20

19

IC938

IC937

IC903

THM1 THM3 +3.3S DGND

6

5

10

15

11

10

1

10

1

48

37

36

AMP (4)

(W1001)

20

IC956

16

Ref no. Location

IC934 H3 IC935 I4 IC936 C5 IC937 I4 IC938 I4 IC939 C5 IC951 I3

5

IC930

4

IC935

4 3

Ref no. Location

Q707 E6 Q708 F6 Q709 E6

Q710 E6 Q9100 E6 Q9101 E6

SR_MISO5 DAZ2E (RSENS) DAZ2E (IPE) IPVE IPSC

CB943

D_OUT AV2_D AV4_D AUDIO2_D

AD_WCK +5A Z2_ADR NETL NETR

CB944

ADC_N_RST DA_WCK DA_SD_F DA_MCK

1 2

DA_SD_SR DA_SD_FP DGND DAC_N_CS DSP_MOSI

CB945

DAC_N_CS_SW DAC_N_RST_F DAC_N_RST_SB_FP MODEL

D-

VBUS

OPERATION (2)

(W4501)

Ref no. Location

IC953 H3 IC955 I3 IC956 I3

Q13 D4 Q14 D4 Q17 D4 Q18 D4

Q19 B2 Q250 C4 Q251 C4 Q705 F5 Q706 E6

DAC

(CB851)

SR_MOSI5 DAZ2L (IPL) DAZ2R (IPR) IPV IPSY DGND AV1_D AV3_D AUDIO1_D +5DSP

AD_BCK AD_SDO Z2_ADL ADE NETE +3.3DSP DA_SD_CSW DA_BCK DGND DGND

DAC

(CB852)

(CB854)

DA_SD_SB DA_SD_SW2 DA_SD_RP SR_PON5 DSP_SCK DAC_N_CS_FP N.C. DAC_N_RST DAC_MUTE_RP R_200_DET

D+

FG

GND

Ref no. Location Q9300 D6 Q9302 D5 Q9304 D5 Q9305 I5 Q9503 G6 Q9504 G6

DAC

110

ABCDEFGH I J

RX-A3020/RX-V3073

1

DIGITAL (1) (Side B)

• Semiconductor Location

Ref no. Location

D501 F3 D700 F5 D701 E6 D702 F6

2

D703 E6 D704 E6

D9301 B5

D9302 B5

IC5 G3

IC56

4

5

IC57

1

3

4

1

3

2

43

IC55

12

IC12

3

2 1

4

2

1

IC10

43

3

8

14

27

IC952

28

4

1

28

54

27

IC53

110

1

110

2011

IC25

110

2011

IC23IC24

2011

IC5

1

7

2

3

IC22

4

1

IC10 I3

IC12 G3 IC22 H4 IC23 F4 IC24 F4 IC25 F4 IC53 D4 IC55 F3 IC56 E3 IC57 E3 IC78 E5 IC80 E5 IC81 F5 IC82 E6 IC83 E5

IC931 G6 IC933 H5 IC952 C3

Q1 H2 Q2 H2 Q3 H2 Q4 H2 Q5 G2 Q6 G2 Q7 G2 Q8 G2

5

4

14

8

IC83

1

7

1

7

8

14

1

5

8

IC78

14

IC80

14

8

IC82

7

1

8

IC81

1

7

1

4

IC933

3

2

8

IC931

1

5

4

Q9 F2 Q10 F2 Q11 E2 Q12 F2 Q15 E2 Q16 E2

Q252 H4 Q253 H4 Q700 E5 Q701 E5 Q702 E5

6

Q703 E5 Q704 E5 Q711 F5 Q712 F5 Q713 F5 Q714 F5 Q715 F5 Q716 F5 Q717 F5 Q718 F5

7

Q9301 H5

111

ABCDEFGH I J

RX-A3020/RX-V3073

1

2

DIGITAL (2) (Side A) DIGITAL (3) (Side A)

DIGITAL (1)

VIDEO AUX

(CB70)

HDMI IN

CB30

DGND

3

42

43

No replacement part available.

サービス部品供給なし

56

4

1

IC30

1

3

29

28

15

14

6

IC31

4

1

8

5

IC33

CB31

+3.3M

232C_MISO

232C_MOSI

W391

9

16

CB35

8

IC35

1

RS-232C

SCL

SDA

DIGITAL (1)

(CB9)

Sheild

Data2+

Data2-

Sheild2

Data1-

Data1+

Sheild1

Data0-

Data0+

Sheild0

DataC-

DataC+

SheildC

CEC

F_HEQ_CE

+Vcc

HPD

+5.5V

+5VPower

FR_SCL

FR_SDA

5

• Semiconductor Location

Ref no. Location

D352 B4

IC30 C4 IC31 C4 IC33 D3 IC35 H3

Q351 D3

6

Q352 D3

7

112

ABCDEFGH I J

RX-A3020/RX-V3073

1

2

DIGITAL (2) (Side B)

DIGITAL (3) (Side B)

3

IC32

4

5

IC34

3

1

5

1

3

5

• Semiconductor Location

Ref no. Location

IC32 D4 IC34 C4

6

7

113

ABCDEFGH I J

RX-A3020/RX-V3073

1

FUNCTION (1) (Side A)

PHONO AV 1

2

(1 BD/DVD)

AV 2 AV 3 AV 4 AV OUT AUDIO 1

(2 TV)

AUDIO 2 AUDIO 3 AUDIO 4 MULTI CH INPUT

FRONT

SURROUND SUR.BACK

SUBWOOFER F.PRESENCE R.PRESENCE

CENTER/

L/R L/R L/R L/R L/R L/R L/R L/R L/R L/R L/R L/R L/R L/R L/R L/R L/R L/R 1/2

3

4

K, A, B, G, F, L models

DAC

(CB859)

DKL(DAZ2L)

DKE(DAZ2E)

VAUXL

VAUXE

ADMR

AGND

NETZ2R

DAC

(CB860)

SRR

MICE

ADZL

DKR(DAZ2R)

SRL SRE

VAUXR

MIC ADML AGND

ADZR

NETZ2L

CB701

ZONE OUT/PRE OUT

ZONE 2/

ZONE 3/

L/R

FRONT

SURROUND SUR.BACK

PRE OUT

SUBWOOFER

(SINGLE) (FRONT/REAR)

W701

CENTER

OPERATION (2)

(CB454)

HPR E HPL HP_N_DET

NETZ3L

NETZ3R

AGND

DAFR+

DAFR-

AGND

DAFL+

DAFL-

AGND DASL-

DACT-

SWE

FPE

DAFPL

RPE

-12V

+12V

CB702

CB703

C, R, T, K, A, B, G, F, L, S, J models

W703

VIDEO (1)

(CB333)

+5T

TUR

TUE

TUL

DIGITAL (1)

(CB73)

VOL2_SCK

VOL3_SCK

VOL1_SCK

DGND

VOL3_CS

VOL_MOSI

MONO_N_Z3

CB705

MT_Z3

MT_SB_PO

MT_EX1_MI

MONO_N_Z2

MT_Z2

MT_MZ

MT_F_MI

MT_SB_MI

HP_N_DET

+3.3MT

W709

E

MISR

MISBR

MIEX1R

AMP (2)

(CB112)

E

MIFR

E

MISBL

MIEX1L

AMP (1)

(CB113)

W708

MIFL

MISL

E

MICT

• Semiconductor Location

Ref no. Location

Q7409 D5 Q7410 D5

Q7622 D5

Q7701 I4

Q7702 I4

DASBR+

DASBL-

DASW+/R

DASW-/L

DAC

(CB861)

AGND DASRDASL+

AGND

DACT+

DAFPR DARPR

DARPL

-12V

+12V

DASR+

DASBRDASBL+

5

6

7

114

ABCDEFGH I J

RX-A3020/RX-V3073

1

• Semiconductor Location

FUNCTION (1) (Side B)

2

3

4

451

IC701

8

80 81

4

1

IC724

8

5

1

4

IC726

8

5

5051

31

IC741

1100

30

5

1

4

IC727

8

5

IC728

1

845

80 81

5051

31

IC742

100

1

30

6

C, R, T, K, A, B, G, F, L, S, J models

7

815

IC713

4

1

4

IC761

8

5

8

IC763

4

115

IC743

3016

1

IC762

1

845

Ref no. Location

D7401 E5 D7402 F4 D7403 C5 D7404 C5 D7601 D6

IC701 B3 IC713 F3 IC724 B4 IC726 B5 IC727 B5 IC728 B6 IC741 D4 IC742 D6 IC743 G4 IC761 H4 IC762 I3

IC763 H4 Q7401 F5 Q7402 F5 Q7403 E4 Q7404 E4 Q7405 F5 Q7406 F4 Q7501 H6

Q7502 H6 Q7503 H6 Q7504 H6 Q7505 G6 Q7506 H6 Q7507 G6 Q7508 H6 Q7509 G6

Q7601 G3

Q7602 G3 Q7603 G3 Q7604 G3 Q7605 H3 Q7606 H3 Q7607 H3 Q7608 I3 Q7609 G3

Q7610 G3 Q7611 G3 Q7612 G3 Q7613 G3 Q7614 G3 Q7615 H3 Q7616 H3 Q7617 H3 Q7618 H3 Q7619 H3

Q7620 I3 Q7621 I3 Q7703 H4 Q7704 H4 Q7705 H5 Q7706 H5 Q7707 I4 Q7708 I4

115

ABCDEFGH I J

RX-A3020/RX-V3073

1

FUNCTION (2) (Side A)

2

AV 1 AV 2 AV 3 AV 4 AV OUT AUDIO 1 AUDIO 2

COAXIAL COAXIAL OPTICAL OPTICAL OPTICAL COAXIAL

DGND

3

DAC

4

(CB858)

+5D AUDIO2 AUDIO1

AV4

AV3

AV2

AV1

AVOUT

SR_PON5 SR_MOSI5 SR_MISO5

SRE

SRR

SRL

W782A

5

6

7

116

ABCDEFGH I J

RX-A3020/RX-V3073

1

FUNCTION (2) (Side B)

2

3

1147

IC781

8

IC782

7141

• Semiconductor Location

Ref no. Location

IC781 C3 IC782 D3

4

5

6

7

117