Main Micom - Onkyo HTR-548 SERIES Service Manual

A B
SCHEMATIC DIAGRAM/
U0030
BLOCK DIAGRAM-14
MPU SECTION
PART-14
1
DIR/DAC PART
PART-6
2
3
4
5
C
Model No. TX-NR509/TX-NA509/TX-NA509V SCHEMATIC DIAGRAM (PART-14)
P753A NC
BAHDM-0680
to RB Section
+5.2VHD
Initial Setting
Val
R662
R663 Val
R664 Val
Val
R665
R666 Val
Val
R667
MIC_MUT R668 Val
LEDMUT Val
R669
C518
2.7K
R671
VOLDATA C519 102K
VOLCLK
R673
VPROTECT C520 102K
IPROTECT 2.7K
R675
SEC1H C527 102K
RESET
VOLH D601 2.7K
R677
KDS4148U
AMUT
+3.3V_STB
Z2MUT
C501
SBZ2MUT
HPDET 106K/16
R501 47K
APOWER C502 104K C503 104K
SPRLF
SPRLCS
PCIE_GLED R530 #47
SPRLSB
PCIE_BLED R531 #47
SPRLZ2
PLLSDA C504
104K
PLLSCL
R503 10K
PLLRST
FLMD0 R504 0 8
C505 104K
TU_GPIO2
RI
10
DIGMUT C509
106K/16 11
12
X501
5MHz 13
RESET 14
15
16
R505
D111
10K
SYSOUT R506 220 17
POFF KDS4148U C507104K 18
R508 1M
SYSIN R509 220 19
SPIWRITE DRST R721 10K R510 47 20
R511 10K
HDMIPDN HDMIINT_TX R512 220 21
HDMIRST HDMISDI R681 47K R514 220 22
R682 10K
HDMISDO 23
HDMIINT_TX HDMISCK 24
R515
HDMIINT2 RS232TXD 47x4 25
HDMIINT RS232RXD R687 10K 26
R520 10K
HDMIRST 27
HDMISCL HDMIPDN R521 28
HDMISDA HDMIINT2 R688 47x4 29
HDMIINT 10Kx4 30
SPIHOLD SPI_CS 31
HDMISDI SPIHOLD 32
HDMISDO 33
C508
HDMISCK R693 34
47x4 104K
HDMISDA 35
CEC HDMISCL 36
R692
4.7Kx4
Q704
SN74CB3Q3305PWR
1 8
1OE VCC
CEC 2 7
1A 2OE
CECIN 3 6
1B 2B
4 5
GND 2A
CECOUT
CEC
POWER SUPPLY
294+55+80mA
+1.8VHD +3.3VHD
C8977 C8957 C8937
104K 104K 104K
C8976 C8956 C8936
918+700mA +3.3VHD
100/16 100/16 100/16
+1.8V +3.3V
R8974 R8954
NC NC
C8975 R8973 C8955 R8953 C8935
106K/16 10KF 106K/16 27KF 106K/16
C8974 R8975 C8954 R8955 C8934
106K/16 10KF 106K/16 10KF 106K/16
C8973 C8953 C8933
106K/16 106K/16 C8963 106K/16
D8971 D8951 D8931
151J
RB050M-30 R8976 C8980 RB050M-30 R8956 C8960 RB050M-30
3.3K 682K 5.6K 103K
4 5 4 5
GND FB GND FB
3 6 3 6
SW COMP SW COMP
C8972 2 7 C8952 2 7 C8932
IN EN IN EN
C8978 1 8 C8958 1 8
106K/25V 106K/25V 106K/25V
BS SS BS SS
C8971 223K C8979 C8951 223K C8959 C8931
105K 104K
106K/25V 106K/25V 106K/25V
D E
MPU Section
P751A
UPGRADE
NSCT-9P2472

MAIN MICOM

Q153
R1EX25064ASA00A
1
CS
2
SO
3
WP
102K 4
GND
2.7K
+3.3S
1 108 R622 47
PDL3/AD3
2 107 R621 220
AVSS PDL2/AD2
1 AVREF0
3 106 R619 47
P10/ANO0 PDL1/AD1
4 105
P11/ANO1 PDL0/AD0
C522 104K
5 104
AVREF1 BVDD
6 103
P00/TIP61/TOP61 BVSS
7 102 R617 220
P01/TIP60/TOP60 PCT7
101 R613 1K
FLMD0 PCT6/ASTB
9 100 R611 1K
VDD PCT5
99 R609 1K
REGC PCT4/RD
98
VSS PCT3
97
X1 PCT2
96 47x4
X2 PCT1/WR1
R631
95
RESET PCT0/WR0
94 R601 220
XT1 PCS7
93 R610 220
XT2 PCS6
92
P02/NMI PCS5
91
MPD70F3746GJ
P03/INTP0/ADTRG PCS4
90
P04/INTP1 Q701 PCM5
89
P05/INTP2/DRST PCM4
88
P06/INTP3 PCM3/HLDRQ
87
P40/SIB0/SDA01 PCM2/HLDAK
86
P41/SOB0/SCL01 PCM1/CLKOUT
85 47
R597
P42/SCKB0 PCM0/WAIT
84
P30/TXDA0/SOB4 PCS3/CS3
76 P915/A15/INTP6/TIP50/TOP50 83
P31/RXDA0/INTP7/SIB4 PCS2/CS2
75 P914/A14/INTP5/TIP51/TOP51 82 R594 220
P32/ASCKA0/SCKB4/TIP00/TOP00 PCS1/CS1
74 P913/A13/INTP4 81 R593 220
P33/TIP01/TOP01 PCS0/CS0
73 P912/A12/SCKB3 80 R592 47
P34/TIP10/TOP10 PCD3
79 47
R591
P35/TIP11/TOP11 PCD2
78 R523 #220
P36 PCD1
77 R522 #220
P37 PCD0
76
EVSS
75
EVDD
74
P38/TXDA2/SDA00
73
P39/RXDA2/SCL00
220x4
R582
R579 47
R555
2.7K
101J C514
KRA107S
Q755
KRC102S
Q756
* * *
+3.3VMPU
5 2
UM6K1N
Q8156
+5.2VHD
+5.2VHD
+5.2V
R8934
270KF
R8933
56KF
R8935
10KF
+1.8VTXPLVDD 25mA L8939
C8943
BLM18PG181SN1D
NC
R8936 C8940 +1.8VTXPVDD 5mA L8938
8.2K 103K BLM18PG181SN1D
+1.8V
+1.8VPVDD 37mA L8937
4 5
GND FB
BLM18PG181SN1D
3 6
SW COMP
+1.8VHD
2 7
IN EN Q8972
+3.3VHD
C8928 1 8 BU18TD3WG-TR
BS SS
223K C8939
1
104K 5
VIN VOUT
2
VSS
3 4
CE NC
F G
P752A
J-TAG
GNDV_AUX 9
10K AUX_V 8
R110
YDET 7
VDET 6
VDSWDCTL 5
POFF2_1 D110 KDS4148U POFF2 4
R152
VSWSCL 3
10K
8 VSWSDA 2
Vcc
R151
7 VMUT 1
HOLD
6 10K
SCK
5
SI
C151
104K
Q752 Q762 Q772
KRA102S KRA102S KRA102S
1 1 1
Q761
Q751 Q771
KRC104S KRC104S KRC104S
R713 R762 R772
1 1 1
2.2K 2.2K 2.2K
R623 10K ROMSDI
AMUT
R620 10K
ROMCLK
AMUT_C
R618 10K ROMSDO
SBZ2MUT
SBZ2MUT_C
Z2MUT
Z2MUT_C
R616 10K
MIC_MUT
R614 10K MICDET
P-UP
C521 102K VOLB
GNDV_AUX
R615 100
P-UP VOLA
LEDTHRU
LEDPURE
LEDSTBY
UPTDETINT 7
YDET
UPTRST 6
VDET
UPTSDA 5
UPTSCL 4
UPTRXD 3
UPTTXD 2
UPTDET 1
FLDCLK 23
FHS
FLDSDO 22
FLDCS 21
KEYINT0 20
DIGMUT
FLDRST 19
ARM_CS
KEYINT1 18
ARM_RDY
REMIN 17
R590 NC_10K ARM_RST
+3.3S 16
PCIE_DET
KEY3 15
PCIE_SRQ
VOLA 14
CECIN
KEY2 13
R726 27K
REMIN
VOLB 12
UPTDETINT
LEDVOL 11
10Kx4
FCLK
GNDDG 10
R580
AUX_V 9
LEDPURE 8
GNDV_AUX 7
LEDTHRU 6
KEY1 5
LEDSTBY 4
KEY0 3
L746
+5.0VDIS 2
BLM18PG181SN MICDET 1
+5VD
R723
100
KRC102S
Q754
POFF 5
KRA107S Q181 +12VD_STB 4
Q753
KRC105S GNDDG 3
MPOWER +10VSTB 2
MPOWERD 1
THERMAL 3
BLM18PG181SN L703 +3.3V_THM 2
GNDDG 1
POWER SUPPLY (STB)
+3.3V_STB
106K/16
C705
C707
106K/16
G
+5.6V_STB
D702 1 2 KDS4148U
D701 KDS4148U
1 2
C708
106K/16
G
C709 106K/16
C706 106K/16
1 2
D182
KDS4148U GND 5
+12V 4
L742
+5V_VD 3
BLM18PG181SN +12V 2
GND 1
GNDDG
TX-NR509/TX-NA509/TX-NA509V
H