Yamaha RX-A4A - 4;5

A
1
2
3
4
5
6
7
8
9
10
NMLKJIHGFEDCB
90
RX-A4A
MDI_TRX0_P
MDI_TRX0_N
DGND
MDI_TRX1_P
MDI_TRX1_N
DGND
DGND
MDI_TRX2_P
MDI_TRX2_N
MDI_TRX3_P
MDI_TRX3_N
+3.3PHY
232C_RX
232C_TX
USB_D-
USB_D+
DGND
USB_ID
RGMII I/O voltage = 1.8V
DGND
DGND
+1.8_L6
JTAG_N_TRST
JTAG_TDI
DGND
JTAG_TMS
DGND
JTAG_TCK
DGND
JTAG_TDO
DGND
JTAG_N_SRST
+5USB
+5USB
DGND
Diff 90
USB0_HS_VBUS
+1.8_L13
RGMII
001.sht
232C
001.sht
001.sht
USB
001.sht
JTAG
no_use
D -
I D
GND
VBUS
D +
no_use
RGMII_CK_RX
RGMII_CTL_RX
RGMII_RXD0 RGMII_RXD1 RGMII_RXD2 RGMII_RXD3
RGMII_CTL_TX
RGMII_CK_TX
RGMII_TXD0
RGMII_TXD1
RGMII_TXD2
RGMII_TXD3
RGMII_INT
RGMII_MDIO
RGMII_MDC
ETH_N_RESET
RGMII_CTL_TX
RGMII_CK_TX
RGMII_TXD0
RGMII_TXD1
RGMII_TXD2
RGMII_TXD3
RGMII_CTL_RX
RGMII_CK_RX
RGMII_RXD0
RGMII_RXD1
RGMII_RXD2
RGMII_RXD3
RGMII_MDC
RGMII_MDIO
ETH_N_RESET
RGMII_INT
USB_D+
USB_D- JTAG_N_TRST
JTAG_TDI
JTAG_TMS
JTAG_TCK
JTAG_TDO
JTAG_N_SRSTJTAG_N_TRST
JTAG_TDI
JTAG_TMS
JTAG_TCK
JTAG_TDO
JTAG_N_SRST
USB_ID
USB0_HS_VBUS
232C_RX
232C_TX
USB_D+
USB0_HS_VBUS
232C_RX
232C_TX
USB_D-
USB_ID
C 8 3 1 3
C8307
DGND
C 8 3 0 8
C8311 C8309
DGND
USB_ID
R8317
DGND
JTAG_TDI
JTAG_N_TRST
DGND
JTAG_TMS
JTAG_TDO
JTAG_N_SRST
JTAG_TCK
RGMII_CK_TX
RGMII_CTL_TX
RGMII_MDIO
R8306
R8316
R8318
R8319
R8320
R8321
DGND
R8301
no_use
R8302
R8304
no_use
R8305
DGND
2038C
R8303
RGMII_TXD0
RGMII_TXD1
RGMII_TXD2
RGMII_TXD3
DGND
RGMII_CTL_RX
IC806
1
VCCA
2
GND
3
A
5
DIR
4
B
6
VCCB
RGMII_CK_RX
RGMII_RXD0
RGMII_RXD1
C8301
RGMII_RXD2
C8303
RGMII_RXD3
C8315
RGMII_MDC
DGND
ETH_N_RESET
RGMII_INT
DGND
L8302
C8310
USB_D+
R8328
no_use
USB_D-
R8330
232C_TX
R8329
no_use
232C_RX
R8331
R8326
R8327
R8325
no_use
R8314
no_use
R8313
R8315
no_use
R8310
no_use
R8311
no_use
CB832
no_use
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
R8309
R8312
DGND
XL831
1 2
N C
CN 4 3
C8318
DGND
C 8 3 1 4
C 8 3 1 6
C 8 3 1 7
L8303
+1.1PHY
C8304
DGND
DGND
C 8 3 0 6
C8305
TP8301
R8332
IC808
1
RSTn
2
L X
3
VDD33
4
XTLO
5
XTLI
6
AVDDL
7
RBIAS
8
VDDH_REG
9
TRXP0
1 0
TRXN
0
1 1
AVDDL
1 2
TRXP1
1 3
TRXN1
1 4
AVDD33
1 5
TRXP2
1 6
TRXN2
1 7
AVDDL
1 8
TRXP3
1 9
TRXN3
2 0
INT
2 1
LED_ACT
2 2
LED_1000
2 3
CLK_25M
2 4
LED_10_100
2 5
RXD3
2 6
RXD2
2 7
VDDIO_REG
2 8
RXD1
2 9
RXD0
3 0
RX_DV
3 1
RX_CLK
3 2
TX_EN
3 3
GTX_CLK
3 4
TXD0
3 5
TXD1
3 6
TXD2
3 7
TXD3
3 8
DVDDL
3 9
MDIO
4 0
MDC
4 1
G
DGND
CB831
no_use
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
R8322R8324 R8323
J8301
no_use
VDDH_STRAP
DGND
C8312
DGND
R8308
no_use
TP8307
R8307
USB0_HS_VBUS
VDDH_ETH_IO
DGND
L8301
IC807
1
GND
2
VREF1
3
SCL1
4
SDA1
5
SDA2
6
SCL2
7
VREF2
8
E N
+1.8_L6
+1.1PHY
+3.3PHY
+3.3PHY
+3.3PHY+1.8_L6
+3.3PHY+1.8_L6
+1.8_L6
+1.8_L13
+3.3PHY
TP8305
TP8304
TP8303
TP8306
TP8302
VDDH_STRAP
TP8308
CB833
no_use
12345
D8301
no_use
123
5
4
6
DGND
to DSP 1/5
to DSP 1/5
to DSP 1/5
to DSP 1/5
REMARKS
CAPACITOR
PARTS NAME
NO
NO
MARK
MARK
ELECTROLYTIC CAPAC I T O R
CERAMIC CAPACI T O R
POLYESTER FILM CA P A CIT O R
POLYSTYRENE FILM C A P A C I TOR
MICA CAPACITOR
POLYPROPYLENE F I L M CAPACITOR
SEMICONDUCTIVE CERAMI C CAPACITOR
P
SOLID ELECTROLYTIC CAPAC ITOR
TUBULAR CAPACITORCERAMIC
NOTICE
U.S.A
G
CANADA
EUROPEAN STANDARD
L
CHINA
AUSTRALIA
SINGAPORE
KOREA
GENERAL
U
C
T
A
K
R
JAPAN
(model)
B BRITISH
J
SOUTH EUROPEE
V TAIWAN
F RUSSIAN
P LATIN AMERIC A
S BRAZIL
H THAI
RESISTOR
REMARKS
NO MARK
PARTS NAME
CARBON
CARBON
METAL
METAL
METAL
FIRE
CEMENT
SEMI
FILM RESIS TOR
FILM RESIS TOR
OXIDE FILM RESISTOR
FILM RE SISTOR
PLATE RESISTOR
PROOF CARBON FILM RESISTO R
MOLDED RESI STOR
VARIABLE R E S I STOR
(P=5)
(P=10)
CHIP RESIST O R
DSP
DSP 4/5
Details of colored lines
Red / full line: Power supply (+)
Red /dashed line: Power supply (-)
Orange: Signal detect
Yellow: Clock
Green: Protection detect
Brown: Reset signal
Blue: Panel key input
★ All voltages are measured with a 10 MΩ/V DC electronic
voltmeter.
★ Components having special characteristics are marked ⚠
and must be replaced with parts having specifications equal
to those originally installed.
★ Circuit diagram is subject to change without notice.
● 電圧は、内部抵抗 10 MΩ の電圧計で測定したものです。
● ⚠印のある部品は、安全性確保部品を示しています。部品
の交換が必要な場合、パーツリストに記載されている部品
を使用してください。
● 本回路図は標準回路図です。改良のため予告なく変更する
ことがあります。