Onkyo HTR-548 SERIES Service Manual page 34

A B
SCHEMATIC DIAGRAM-14
VMPU/ POWER SECTION PART-14
1
Model No. TX-NR(A)579,TX-NR(A)609,HT-RC360,DTR-20.3,DTR-30.3
Schematic Diagram (Part-14) VMPU/POWER SUPPLY Section
U0030 BAHDM-0684
OERXTH3
BUS_THR
2 OERXTH2
BUS_ENC
OERXTH
BUS_ST
VMRST
MAIN
MAIN_SDO
DSP/AUDIO
MAIN
MAIN_SDI
MAIN
MAIN_CLK
PART-14
MAIN
MAIN_RDY
MAIN
HDMIMUTE
MAIN
KYT_FHOLD
KYOTO
KYT_UPD
KYOTO
KYT_RDY
KYOTO
KYT_REQ
KYOTO
KYT_INT
KYOTO
KYT_SCK
KYOTO
VIDEO PROCESSOR
KYT_CS
KYOTO
ODDC_SDA
KYOTO
PART-17
ODDC_SCL
KYOTO
KYT_LOCK C8705 C8702
KYOTO
VM_RST
104K
KYT_SDA 105K
KYOTO D8701
KDS4148U
KYT_CLK VMRST
KYOTO MAIN
R8702 R8701
KYT_RST
KYOTO DEBUG R8713
22x4 10K
HPLG_DET VMSDI 0
KYOTO
R8710
KYSPI_DO VMSDO
KYOTO 2.2K
R8711
KYSPI_DI VMCLK
KYOTO 2.2K
R8703 22
RXSW_INT
9489
KYT_FHOLD
KYOTO
3
R8746 R8704
VSW_SDA KYT_UPD
7844 KYOTO
10K 10K
VSW_SCL KYT_CSSEL
7844
VSW_VDET TX2_INT
7844 TX2
VSW_SDET
7844
VSW_CDET KYT_RDY R8705
HDMI PART 7844 KYOTO
VPOWER KYT_REQ 10Kx4
7844 KYOTO
VSW_MUTE INPSEL
PART-16 7844 TX2
VDSWDCTL KYT_INT R8706
7844 KYOTO
RX_INT KYT_SCK 10K R8737
7844 KYOTO
RX_SDA KYT_SDO 2.2K
7844
RX_SCL KYT_SDI R8738
7844
RX_RST KYT_CS 2.2K
7844 KYOTO
RX_PDN DBG_TXD R8707
7844 DEBUG
DBG_RXD 10K
DEBUG
R8725
VHD_LOCK RX_INT 10K
VHD 7844
VHD_SDA R8709
VHD 22
VHD_CLK
VHD
L8701
VHD_RST +3.3VHD
VHD BLM18PG181SN1
+3.3VHD +3.3V_VMPU
RXSW_INT
HDMI IN PART 9489
RXSW_SDA
9489
PART-15 RXSW_SCL GNDHD
9489
TX2_INT
TX2 GNDHD
INPSEL
TX2
TX2_SDA
4
TX2
TX2_SCL
TX2
TX2_RST
TX2
VMPU:8701-8759
5
C
ABBY
1pc 2pcs
L H
A/B X/O O/X
HDMI OUT
1OUT 2OUTS
L H
C/D X/O O/X
VHD1900
NO YES
L H
E/F X/O O/X
8.00MHz
X8701
CSTCE8M00G55-R0
R8728
10K
1 75 KYT_RST
AVSS PG7/INT7/WDTOUTn
2 74 R8727 #10K VHD_RST
VREFH PG6/SCK2/CS3n
3 73 R8724 #2.2K VHD_CLK
RESETn PG5/SCL2/TB9IN1
#2.2K
4 72 R8726 VHD_SDA
MODE PG4/SDA2/TB9IN0
5 71
PL0/SDA0/TB0OUT PG3/INT6/CS1n
6 70
PL1/SCL0/TB1OUT PG2/SCK1/CS0n
4.7K
7 69 R8739 KYT_CLK
PL2/SCK0/TB2OUT PG1/SCL1/TB7IN1
4.7K
8 68 R8740 KYT_SDA
PL3/INT0/TB3OUT PG0/SDA1/TB7IN0
9 67 ETM_DATA3
PL4/TXD1/TB4OUT PF4/TRACEDATA3
10 66 ETM_DATA2
PL5/RXD1/TB5OUT PF3/TRACEDATA2
11 65 ETM_DATA1
PL6/SCLK1/TB6OUT/CTS1n PF2/TRACEDATA1
Q8701
12 64 ETM_DATA0
PL7/INT1/TB7OUT PF1/TRACEDATA0/SWV
13 TMPM361F10FG 63 ETM_CLK
DVSS PF0/TRACECLK
14 62 SWD_CLK
PM0/SCLK2/TB1IN0/CTS2n SWCLK
VMPU
15 61 SWD_DATA
PM1/TXD2/TB1IN1 SWDIO
16 60 C8706
PM2/RXD2/ALARMn DVSS
17 59 104K
PM3/INT2/TB3OUT DVDD3B
18 58 R8708 VPOWER
PM4/SCLK3/CTS3n PE7/INT5/SCOUT
19 57 10Kx4 VSW_CDET
PM5/TXD3 PE6/A23/SCLK0/CTS0n
20 56 VSW_SDET
PM6/RXD3 PE5/A22/RXD0
21 55 VSW_VDET
PM7/INT3 PE4/A21/TXD0
22 54 R8723 2.2K
PN0/TXD4 PE3/A20/TB6IN1
23 53 R8722 2.2K
PN1/RXD4 PE2/A19/TB6IN0
24 52
PN2/SCLK4/TB2IN0/CTS4n PE1/A18/TB5IN1
25 51 HDMIINT
PN3/INT4/TB2IN1/RMIN0 PE0/A17/TB5IN0
R8721 R8720
10K 22
5 2
UM6K1N
Q8156
D E
Top type
VM_RST 9
SWD_DATA 8
DBG_RXD 7
SWD_CLK 6
+3.3V_VMPU 5
ETM_DATA0 4
DBG_TXD 3
KYOTO
GNDHD 2
VHD
1
VHD
VHD
KYOTO
KYOTO Top type
ETM_CLK 11
DEBUG
VM_RST 10
DEBUG
SWD_CLK 9
DEBUG
SWD_DATA 8
DEBUG
+3.3V_VMPU 7
DEBUG
GNDHD 6
DEBUG
ETM_DATA3 5
DEBUG
ETM_DATA2 4
ETM_DATA1 3
ETM_DATA0 2
7844
1
7844
7844
7844
KYSPI_DO
KYOTO
KYT_SDI
MAIN
+3.3VHD
KYT_SDO
KYT_UPD
KYSPI_DI
KYOTO
KYT_CSSEL
R8741
NC_10K
TX-NR579/TX-NA579/TX-NR609/TX-NA609/HT-RC360/DTR-20.3/DTR-30.3
F G
POWER SUPPLY
D8904 KDS4148U
POFF2 1 2
D8902 KDS4148U R8906 2.7K
R8911
D8903 KDS4148U
6.8K
R8961 #1K
+5.2V
9
THRM
L8963
BLM21PG221SN1
L8962
L8964
CDRH8D43_100
BLM21PG221SN1 L8961
BLM21PG221SN1
1K
R8951
+3.3V
9
THRM
L8953
BLM21PG221SN1
L8952
L8954 CDRH8D43_100
BLM21PG221SN1 L8951
BLM21PG221SN1
R8941 1K
+1.8V
9
THRM
L8943
BLM21PG221SN1
L8942
L8944 CDRH8D43_100
BLM21PG221SN1 L8941
BLM21PG221SN1
R8931 1K
+1.08V
9
THRM
L8933
BLM21PG221SN1
L8932
L8934 CDRH8D43_100
BLM21PG221SN1 L8931
BLM21PG221SN1
H
L8965
BLM18PG181SN1D
(GND_5.2V)
GNDHD 1
12.0
+12V 2
+5.2V_VD 3
+12V 4
GNDHD 5
GNDHD