Onkyo HTR-548 SERIES Service Manual page 47

A B
SCHEMATIC DIAGRAM/ BLOCK DIAGRAM-20
NET/ USB POWER SECTION
PART-20
1
U0030 BAHDM-0684
1
APOWER
TP86
2
GNDD
TP87
3
232TXD
4
2
NC
TP89
5
VDD
6
NC
TP91
7
232RXD
8
NC
TP92
9
RESET
3
4
L3006
BLM18PG181SN1D
5
C
Model No. TX-NR(A)579,TX-NR(A)609,HT-RC360,DTR-20.3,DTR-30.3
SPI0 & control signals
SPI0_SOMI must be Hi-Z when booting DA830
SPI0_CLK must be Hi-Z when booting DA830
Host communication
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
TXD 100 R3139 UART1_TXD
VDD_MPU3.3V
RXD 100 R3144 UART1_RXD
RST 0 R3147 ARM_RST
ACP_RST
1
NC NC
R3104 #330
ACP_CS 2
MD1/CS MD0/SCLK
3
NC SDA/SOMI
4
RESET SCL/SIMO
Q3106
5
VCC VSS
BU33TD3WG-TR
+3.3V
1 5
VIN VOUT
2
VSS
3 4
CE NC
Q3105
VDD_USB3.3V MFI341S2164
GND_USB
RampUpTime
> 330uSec
+3.3VHD
+3.3V
BLM18PG121SN1D L3107
VDD_DA8x_3.3V
105K
C3121 C3126 106K/16
C3137 105K
GND_ARM C3127 105K
Q3107
BU33TD3WG-TR
C3128
1 5 +3.3V_DVDD
VIN VOUT
2
VSS
3 4
CE NC
C3129
C3131
C3125 105K
C3133
C3136
C3138
RampUpTime
C3140
> 120uSec
Q3109
BLM18PG121SN1D
XC6220B121PR
+1.2V
L3109
VDD_1.2V VDD_CORE1.2V
C3155
3 4
NC VIN
C3156
2
VSS
1 5
CE VOUT
C3157
GND_ARM
C3158
C3159
C3160
C3161
D E
for Debugging Boot Opt.
BOOT7
BOOT1
R3115 or R3116 BOOT2
BOOT0
BOOT3
R3111 or R3112 BOOT5
BOOT2
R3109 or R3110 BOOT6
BOOT3 is always pulled up.
R3107 or R3108 BOOT7
DIGSDI R3124 330 R6
DIGSDO R3125 47 P6
DIGCLK R3126 47 T5
SPI0_SCS R3127 47 N4
TP81
ARM_SOMI P5
R3130 47
ARM_SIMO N5
R3131 47
ARM_SCLK T6
R3133 47
R3134 10K
R3135 10K
I2C0_SDA R3136 0 R3
I2C0_SCL R3137 0 P3
UART2_RXD R4
TP88
UART2_TXD P4
TP90
R3143 10K
R3145 10K
R3146 39 C6
R3148 39 D6
15
RMII_50MHz R3150 68 A4
14
13
RMII_TXD0 R3154 B8
39
12
RMII_TXD1 C8
R3155 39
11
RMII_TXEN D8
R3156 39
RMII_CRSDV A7
R3157 0
RMII_RXD0 B7
RMII_RXD1 C7
RMII_RXER D7
MDIO_CLK R3162 39 A6
MDIO_D R3163 22 B6
TP30 GND_ARM
VDD_MPU3.3V
B16 A16
DVDD VSS RMII_50MHz
E12 A15
DVDD VSS MDIO_D
E9 A2
DVDD VSS MDIO_CLK
E8 A1
DVDD VSS
105K E5 B2
DVDD VSS
F12 E11
DVDD VSS
F11 E10
DVDD VSS
105K F5 E7 RMII_RXD1
DVDD VSS
G12 E6 RMII_RXD0
DVDD VSS
G5 F10
DVDD VSS
105K K12 F9
DVDD VSS
K5 F8
DVDD VSS
L12 G9
DVDD VSS
105K L11 G8
DVDD VSS
L5 H9
DVDD VSS
M12 H8
DVDD VSS R3181
47
105K M9 J9 RMII_CRSDV
DVDD VSS
M8 J8
R3182
DVDD VSS
4.7K
M5 K9 RMII_RXER
DVDD VSS
105K R16 K8 ETH_INT
DVDD VSS
R3186 4.7K
R1 L10
105K
DVDD VSS
KSZ8041
L9 RMII_TXEN
VSS
L8 RMII_TXD0
VSS
L7
VSS
M11
VSS
M10
106K/16 VSS KSZ8051
105K F6 M7
CVDD VSS
G11 M6
CVDD VSS
105K G10 T16
CVDD VSS
G7 T15 RMII_TXD1
CVDD VSS
G6 T2
CVDD VSS
H11 T1
CVDD VSS
H10
105K
CVDD
H6
CVDD
H7
CVDD
H12
CVDD
J12
105K
CVDD
J11
CVDD PART-18
ETH_RESET
J10
CVDD
ARM_RST
J7 PART-19
CVDD
J6
105K
CVDD
K11
CVDD
K10
CVDD
K7
CVDD
K6
105K
CVDD
L6
CVDD
TX-NR579/TX-NA579/TX-NR609/TX-NA609/HT-RC360/DTR-20.3/DTR-30.3
F G
SCHEMATIC DIAGRAM (PART-20)
NAND UART1 SPI0
L H L
NET/USB Power Section
H H L
+5.2V
H H H
H H H
H L H
differencial impeadance = 90ohm
G4 USB0_D-
SPI0_SOMI0/BOOT0 USB0_DM
F4 USB0_D+
SPI0_SIMO0/BOOT1 USB0_DP
SPI0_CLK/BOOT2
SPI0_SCS/BOOT4
R3672
NC
TP82
D3 R3122
1K
USB0_VBUS
E4 USB0_VBUSEN
R3129 47
USB0_DRVVBUS
SPI1_SOMI0/BOOT5
R3101 10K
D2
TP83
SPI1_SIMO0/BOOT6 USB0_ID
+3.3V
SPI1_CLK/BOOT7
BLM18PG121SN1D
H5 VCC_0USB3.3V L3103
USB0_VDDA33
H4
I2C0_SDA/BOOT8 USB0_VSSA33
I2C0_SCL/BOOT9
E3 VCC_0USB1.8V
USB0_VDDA18
L3104
BLM18PG121SN1D
USB0_VDDA12
C3
UART2_RXD/GPIO5_12
+1.8V
UART2_TXD/GPIO5_13
F3
USB0_VSSA
+3.3V
UART1_RXD
UART1_TXD BLM18PG121SN1D
C1 VCC_1USB3.3V L3105
USB1_VDDA33
+1.8V
C2 VCC_1USB1.8V
USB1_VDDA18
L3106
BLM18PG121SN1D
RMII_MHZ_50_CLK/BOOT11
B3 R3102
10K
RMII_TXD0 USB1_DM
A3
R3121 10K
RMII_TXD1 USB1_DP
RMII_TXEN
RMII_CRS_DV
RMII_RXD0
RMII_RXD1
RMII_RXER
MDIO_CLK
MDIO_D
+3.3VHD
+3.3VHD
105K C3122
BLM18PG121SN1D
L3108
+3.3V
C3130 106K/16
R3164
VCC_ETHA3.3V
4.7K
39
R3173
KSZ8041
39
R3174
4.7K
KSZ8051 R3175
TP93
17 8
VDDIO_3.3 KSZ8051RNL XO
105K C3139
18 7 TX+ 4
CRSDV/CNFG2 TX+
Q3108
TP94
19 6 TX- 3
RXC TX-
R3183 47 20 5 RX+ 2
RXER/ISO RX+
PADDLE
21 4 RX- 1
R3184 47
INTRP RX-
22 3
TXC VDDA_3.3
TP95
23 2 105K C3143
TXEN VDDPLL_1.8
24 1 105K C3144
TXD0 GND
106K/16
C3145
33 GND_ARM
106K/16
KSZ8051
L3110 C3163
BLM18PG121SN1D
+3.3V
R3198 NC
R3199 1K
H
+5.2VHD
for HS ESD
TPD2E001DRLR
1 5
VCC IO2
2
L3101
NC USB2.0
3 4 #DLP2ADN900HL4L C3100 102K
IO1 GND
4 5 R3123 #0 GNDSH 5
TP79
GND_USB 3 6 4
TP97
2 7 USBDP1 3
1 8 USBDM1 TP98 2
VDD_VBUS0_5V TP80 1
Q3102
1 8 L3102
GND OUT
2 7
0
IN OUT
3 6
IN OUT
4 5
EN /OC
BD82065FVJ
USB0_OC_DET
VDD_USB3.3V
GND_USB
TX+,TX- / RX+,RX- Pair's differencial impeadance= 100ohm
Rx
7
6
5
6 8
7 1
Tx
8
3
2
4
102
5
P3104
RB1-105B8A1F
GNDSH