Onkyo HTR-548 SERIES Service Manual page 46

A B
SCHEMATIC DIAGRAM/ BLOCK DIAGRAM-20
NET/ USB POWER SECTION
PART-20
1
U0030 BAHDM-0682
SPI0 & control signals
Host communication
1
APOWER
2 TP86
GNDD
TP87
3 TXD 100 R3139
2 232TXD
4
NC
TP89
5
VDD
6
NC
TP91
7 RXD 100 R3144
232RXD
8
NC
TP92
9 RST 0 R3147
RESET
BU33TD3WG-TR
+5.2VHD 1
VIN
2
VSS
3
CE
3
+3.3VHD
BU33TD3WG-TR
1
VIN
2
VSS
3
CE
4
C3125 105K
Q3109
XC6220B121PR
3
NC
2
VSS
1
CE VOUT
5
C
R3115 or R3116
R3111 or R3112
R3109 or R3110
R3107 or R3108
SPI0_SOMI must be Hi-Z when booting DA830
SPI0_CLK must be Hi-Z when booting DA830
SPI1_SOMI must be Hi-Z when booting DA830
SPI1_SIMO must be Hi-Z when booting DA830
SPI1_CLK must be Hi-Z when booting DA830
ARM_RDY
TP84
TP85
GND_ARM
UART1_TXD
+3.3VDD_MPU
UART1_RXD
ARM_RST
ACP_RST
1 15
NC NC
NC
ACP_CS R3104 2 14
MD1/CS MD0/SCLK
3 13
NC SDA/SOMI
4 12
RESET SCL/SIMO
Q3106
5 11
VCC VSS
+3.3V
5
VOUT
4
NC
Q3105
VDD_USB3.3V MFI341S2164
RampUpTime
> 330uSec
BLM18PG121SN1D
L3107
VDD_DA8x_3.3V
105K TP30
C3121
C3126
106K/16
C3137 105K
GND_ARM
C3127 105K
GNDDG
C3128 105K
C3129 105K
Q3107
5 +3.3V_DVDD
VOUT
C3131 105K
4
NC
C3133 105K
C3136 105K
C3138 105K
RampUpTime 105K
C3140
> 120uSec
BLM18PG121SN1D
+1.2V
L3109
VDD_1.2V VDD_CORE1.2V
C3155
4 106K/16
VIN
C3156 105K
5
C3157 105K
GND_ARM
C3158 105K
C3159
105K
C3160
105K
C3161
105K
D E
Model No. TX-NR509/TX-NA509/TX-NA509V
for Debugging Boot Opt. NAND
BOOT2 BOOT7 L
BOOT1 H
BOOT5
BOOT0 H
BOOT3 H
BOOT6
BOOT2 H
BOOT7
BOOT3 is always pulled up.
DIGSDI R3124 330 R6
SPI0_SOMI0/BOOT0
DIGSDO R3125 47 P6
SPI0_SIMO0/BOOT1
DIGCLK R3126 47 T5
SPI0_CLK/BOOT2
SPI0_SCS R3127 47 N4
SPI0_SCS/BOOT4
TP81
ARM_SOMI R3130 47 P5
SPI1_SOMI0/BOOT5
ARM_SIMO R3131 47 N5
SPI1_SIMO0/BOOT6
ARM_CLK R3133 47 T6
SPI1_CLK/BOOT7
R3134 10K
R3135 10K
I2C0_SDA R3
R3136 0
I2C0_SDA/BOOT8
I2C0_SCL P3
R3137 0
I2C0_SCL/BOOT9
UART2_RXD R4
TP88 UART2_RXD/GPIO5_12
UART2_TXD P4
TP90 UART2_TXD/GPIO5_13
R3143 10K
R3145 10K
R3146 39 C6
UART1_RXD
R3148 39 D6
UART1_TXD
RMII_50MHz R3150 68 A4
RMII_MHZ_50_CLK/BOOT11
RMII_TXD0 R3154 39 B8
RMII_TXD0
RMII_TXD1 R3155 39 C8
RMII_TXD1
RMII_TXEN R3156 D8
39
RMII_TXEN
RMII_CRSDV A7
R3157 0
RMII_CRS_DV
RMII_RXD0 B7
RMII_RXD0
RMII_RXD1 C7
RMII_RXD1
RMII_RXER D7
RMII_RXER
MDIO_CLK R3162 39 A6
MDIO_CLK
MDIO_D R3163 22 B6
MDIO_D
+3.3V
GND_ARM
105K C3122
+3.3VDD_MPU
B16 A16
DVDD VSS RMII_50MHz
E12 A15
DVDD VSS MDIO_D
E9 A2
DVDD VSS MDIO_CLK
E8 A1
DVDD VSS
E5 B2
C3130 106K/16
DVDD VSS
F12 E11
DVDD VSS
F11 E10
DVDD VSS
F5 E7 RMII_RXD1
DVDD VSS
G12 E6 RMII_RXD0
DVDD VSS
G5 F10
DVDD VSS KSZ8051
K12 F9
DVDD VSS
K5 F8
DVDD VSS
L12 G9
DVDD VSS
L11 G8
DVDD VSS
L5 H9
DVDD VSS
M12 H8
DVDD VSS
R3181 105K C3139
M9 J9 RMII_CRSDV 47
DVDD VSS
TP94
M8 J8
DVDD VSS R3182
4.7K
M5 K9 RMII_RXER
R3183 47
DVDD VSS
R16 K8 ETH_INT 47
R3184
DVDD VSS
R3186
R1 L10
DVDD VSS
KSZ8041 TP95
L9 RMII_TXEN NC
VSS
L8 RMII_TXD0
VSS
L7 R3187
VSS
M11 4.7K
VSS
M10
VSS KSZ8051
F6 M7
CVDD VSS
G11 M6
CVDD VSS
G10 T16
CVDD VSS
G7 T15 RMII_TXD1
CVDD VSS
G6 T2
CVDD VSS
H11 T1
CVDD VSS
H10
CVDD
H6
CVDD
H7
CVDD
H12
CVDD
J12
CVDD
J11
CVDD ETH_RESET
J10 TO BAHDM0682
CVDD
ARM_RST
J7 (PART-6)
CVDD
J6
CVDD
K11
CVDD
K10
CVDD
K7
CVDD
K6
CVDD
L6
CVDD
F G
SCHEMATIC DIAGRAM (PART-20)
UART1 SPI0
NET/USB Power Section
H L
H L
+5.0V
TPD2E001DRLR
H H
H H
1
VCC
L H
2
NC
3
differencial impeadance = 90ohm IO1
G4 USB0_D-
USB0_DM
F4 USB0_D+
USB0_DP
Q3102
R3672 NC
1
TP82
GND
D3 R3122 1K 2
USB0_VBUS IN
E4 R3129 47 USB0_VBUSEN 3
USB0_DRVVBUS IN
4
EN
R3101 10K
D2
TP83
USB0_ID
BD82065FVJ
+3.3V
BLM18PG121SN1D
H5 VCC_0USB3.3V L3103
USB0_VDDA33
H4 GND_ARM
USB0_VSSA33
E3 VCC_0USB1.8V
USB0_VDDA18
L3104
USB0_VDDA12 BLM18PG121SN1D
C3
+1.8V
F3
USB0_VSSA
+3.3V
BLM18PG121SN1D
C1 VCC_1USB3.3V L3105
USB1_VDDA33
+1.8V
C2 VCC_1USB1.8V
USB1_VDDA18
L3106
BLM18PG121SN1D
B3 R3102 10K
USB1_DM
A3 R3121 10K
USB1_DP
BLM18PG121SN1D
L3108
+3.3V
VCC_ETHA3.3V
39 R3173
39 R3174 KSZ8041
4.7K R3175
TP93
17 8
VDDIO_3.3 KSZ8051RNL XO
18 7 TX+ 4 5
CRSDV/CNFG2 TX+
Q3108
19 6 TX- 3 6
RXC TX-
20 5 RX+ 2 7
RXER/ISO RX+
PADDLE
21 4 RX- 1 8
INTRP RX-
22 3
TXC VDDA_3.3 L3145
105K C3143
23 2
DLP2ADN900HL4L
TXEN VDDPLL_1.8
24 1 105K C3144
TXD0 GND
106K/16
C3145
33 GND_ARM
106K/16
KSZ8051
L3110 C3163
BLM18PG121SN1D
+3.3V
GNDSH
R3198 NC
R3199 1K
TX-NR509/TX-NA509/TX-NA509V
H
+5.2VHD
for HS ESD
5
IO2
L3101
USB2.0
DLP2ADN900HL4L
4
GND
4 5 R3123 0 5
3 6 GND_ARM 4
TP79
2 7 USBDP1 3
1 8 USBDM1 2
1
TP80
8 L3102 VDD_VBUS0_5V
OUT
7 0
OUT
6
OUT
5
/OC
USB0_OC_DET
VDD_USB3.3V
TX+,TX- / RX+,RX- Pair's differencial impeadance= 100ohm
Rx
7
6
8
1
Tx
3
2
4
102
5
P3104
RB1-105B8A1F
EJFR002