Mpu Section - Onkyo TX-NR525 Service Manual

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SCHEMATIC DIAGRAMS-14(PART-14)

MPU SECTION

BAHDM-1347(1/5)
1
U0080
HDMI PC BOARD
To DIR/DAC Secton Part 19
2
MIC_MUT
MIC_MUT
VOLDATA
VOLDATA
VOLCLK
VOLCLK
VPROTECT
VPROTECT
IPROTECT
IPROTECT
SEC1H
SEC1H
VOLH
VOLH
AMUT
AMUT
Z2MUT
Z2MUT
SBZ2MUT
SBZ2MUT
SPRLF
SPRLF
SPRLCS
SPRLCS
SPRLZ2
SPRLZ2
TU_SCL
TU_SCL
TU_SDA
TU_SDA
TU_RST
3 TU_RST
TU_GPIO2
TU_GPIO2
RI
RI
DIGMUT
DIGMUT
HDMI_Pass
HDMIRST
HDMIRST
HDMIINT
HDMIINT
HDMISCL
HDMISCL
HDMISDA
HDMISDA
SPICS
SPICS
SPIHOLD
SPIHOLD
HDMISDI
HDMISDI
HDMISDO
HDMISDO
HDMISCK
HDMISCK
CEC
CEC
4
STBPOWER1
To HDMI Section Part-16
5
6
7
8
TX-NR525/ HT-RC550
C D E
R7143 Q705
R7142
1 VOUT 4
VDD
NC NC
2 NC 3
VSS
S-58LM20A-N4T1U
NC
NC
R662
NC
R663
NC
R664
R665 NC
R666 NC
NC
R667
NC
R668
R669 NC
C518 102K
RESET
R671 2.7k
RESET
C519 102K
Q7020
R673 2.7k
VOUT NC 3
C520 102K
4
VSS 2 R675 2.7k
VDD DS 1
5 C527 102K
S-80127CNMC-JKM-T2
R677 2.7k
C7310
105K
C503
1
AVREF0
104K
C523
2
AVSS
SPICS 102K R530 47
3
P10/ANO0
NC
R531 4
SPIHOLD P11/ANO1
R651 5
AVREF1
10k
C504
HPDET R652 1k 6
104K P00/TIP61/TOP61
R503 10k 7
P01/TIP60/TOP60
R504 0 8
FLMD0 FLMD0
9
VDD
C505
10
C509 104K REGC
11
VSS
106K
12
X1
13
X2
14
RESET
C7313 15
XT1
102K 16
XT2
SYSOUT
R506 220 17
P02/NMI
REMIN 18
R508 220 P03/INTP0/ADTRG
SYSIN 19
SPICS R509 220 P04/INTP1
SPIHOLD DRST R721 10k 20
R510 47 P05/INTP2/DRST
HDMIINT R511 10k
R512 220 21
P06/INTP3
47k
HDMISDI R681
22
R514 220 P40/SIB0/SDA01
HDMISDO R682 10k 23
P41/SOB0/SCL01
HDMICLK 5 4 24
P42/SCKB0
6 3 25
47x4 P30/TXDA0/SOB4
7 2
26
P31/RXDA0/INTP7/SIB4
8 1 27
P32/ASCKA0/SCKB4/TIP00/TOP00
R515
28
P33/TIP01/TOP01
29
STBPOWER1 P34/TIP10/TOP10
30
P35/TIP11/TOP11
31
P36
32
P37
33
EVSS
HDMIRST 5 4 34
@power C508 104K EVDD
HDMISCL 6 3 35
5 4 P38/TXDA2/SDA00
HDMISDA 7 2
36
P39/RXDA2/SCL00
6 3
8 1
7 2
R693
47x4
8 1
R692 NC
Q704
1 8
1OE VCC
CEC
2 7
1A 2OE
CECIN
3 6
1B 2B
4 5
GND 2A
CECOUT
SN74CB3Q3305PWR
+3.3VMPU
R3178
0
Q3113
KRC104S
NC
C8977 C8957 C8937
104K 104K 104K
C8976 C8936
16V 100u
+1.8VHD +3.3VHD
100u 16V 100u 16V
C8956
L8954 L8953
R8974 12K R8954 120k
BLM18PG181SN1D
BLM18PG181SN1D
NC
C8975 R8973 68k C8955 R8953 33k C8935
NC NC
C8974 R8975 10k C8954 R8955 10k C8934
226M 226M 226M
C8973 C8953 C8933
R8958
226M L8971 R8978 226M 226M
L8951
1264EY-100M=P3
D8971 D8951 1264EY-100M=P3 D8931
NC NC
R8976
RB050M-30GTR C8980 RB050M-30GTR R8956 C8960 RB050M-30GTR
NC NC NC
103K 103K
10k 10k
9 9
9 9
GND FB GND FB
4 5 4 5
LX COMP LX COMP
3 6 3 6
C8972 C8982 C8952 C8962 C8932
VIN SHDN VIN SHDN
106K C8978 2 7 102K 106K C8958 2 7 C8959 102K 106K C8928
BST SS BST SS
C8971 223K 1 8 C8951 223K 1 8 104K C8931 223K
C8979 104K
Q8971 Q8951
106K 106K 106K
FR9888CSPCTR FR9888CSPCTR
F G
UPGRADE
P751A
NSCT-9P2472
9 8 7 6 5 4 3 2 1
Q630
KRC102S
+3.3S
108
PDL3/AD3
R622 47
107
PDL2/AD2
R621 220
106
PDL1/AD1
105
PDL0/AD0 R619 47
BVDD 104
BVSS 103
PCT7 102
PCT6/ASTB 101
PCT5 100
PCT4/RD 99 R611 220
PCT3 98
R609 220
PCT2 97
PCT1/WR1 96
PCT0/WR0 95
PCS7 94
MAINMICOM PCS6 93
Q701 PCS5 92
PCS4 91
MPD70F3477AGJA-GAE-G
PCM5 90 R578 220
PCM4 89
1 8
R579
PCM3/HLDRQ 88 2 7
220x4
PCM2/HLDAK 87 3 6
PCM1/CLKOUT 86 4 5
PCM0/WAIT 85 1 8
PCS3/CS3 84
2 7
PCS2/CS2 83 R581 3 6
PCS1/CS1 82 220x4 4 5
PCS0/CS0 81 1 8
PCD3 80 2 7
R582
PCD2 79 220x4
3 6
PCD1 78 4 5
PCD0 77 1 8
76 R583 2 7
P915/A15/INTP6/TIP50/TOP50
75 220x4
P914/A14/INTP5/TIP51/TOP51 3 6
74
4 5
P913/A13/INTP4
73
P912/A12/SCKB3
R584 47
R574
@power
47x4
+3.3V_MPU_L
R555 NC
50V C514
101J
Q8156
UM6K1N
Q8156
UM6K1N
+5.2VHD
R8934 270k
R8933 56k
R8935 10k
R8938
NC
R8936
C8940
103K
10k
9 R8931
9
GND FB NC
4 5
LX COMP
3 6
VIN SHDN
2 7 C8939
BST SS
1 8 104K
Q8931
FR9888CSPCTR
H I
MAIN_J-TAG
P752A
NSCT-9P2472
1 2 3 4 5 6 7 8 9
SPRLF
SPRLCS
R152
Q153 10k
1 8
CS VCC
R151
2 7 HPDET
SO HOLD
10k
3 6 GNDA
WP SCK
4 5
GND SI
BR25S640FJ
C151
104K Q752 Q762 Q772
KRA102S KRA102S 3 KRA102S
E
NC
B 2
C
Q751 Q761
1
KRC104S KRC104S
R713 R762
2.2k
NC
AMUT NC
AMUT_C
SBZ2MUT
R623 10k ROMSDI
SBZ2MUT_C
R620 10k ROMCLK
Z2MUT
R618 10k ROMSDO
Z2MUT_C
C522
UPTDETINT
104K
UPTRST
UPTSDA
UPTSCL
VOLDATA
UPTRXD
VOLCLK
R600
UPTTXD
10k AMUT_C
UPTDET
Z2MUT_C
R110
YDET 10k
VDET
R599 NC
ARMZ2MUT
STBPOWER2
Z2DACMUT
POFF2_1 D110
NC
VSWSCL
R598 DA2J10100
DACCS
VSWSDA
R597 10k DIRCS
VMUT
R596 10k FHS
DACRST GNDA
R580
DIRRST
+5.2VHD
4 5
10Kx4 DIRINT0
3 6
DIGMUT
2 7
DIGCLK
1 8 FLDCLK
DIGSDO
R588 NC
FLDSDO
DIGSDI
FLDCS
R595 10k ARM_CS
KEYINT0
R594
10k (NO USE) UPTDETINT
FLDRST
R593
10k CECIN
KEYINT1
R592
27k POFF
REMIN
R591
1M FCLK
R590
10k
KEY3
VOLA
KEY2
VOLB
Q755
Q753
L746
BLM18PG181SN1D
Q756 Q754
SW_POWER
Q181
KRC105S
MPOWER
R181
NC
L703
BLM18PG181SN1D
+3.3S
C705
106K
C707
106K
Q7025
R7061 2SA1162-GR L7004
DA2J10100 +5VDIS
NC
D702 BLM18PG181SN1D
C708
106K
Q7026
R7027
0 KRC104S
C709
Q7027
KRC104S NC
106K
C706
D182
106K DA2J10100
12
GNDA
TP105 TP106
TX-NR525/ HT-RC550
J K
SPRLSB(NC)
SPRLFH(NC)
SPRLZ2(NC)
Q771
KRC104S
R772
2.2k
SB_MUT(NC)
~FANCTRL (NC)
GND_AUX
POFF2
GNDA
+5.2VHD
+3.3S
LEDVOL
GNDDG
AUX_V
LEDPURE
GND_AUX
LEDTHRU
KEY1
VP_CON
KEY0
+5.0VDIS
MICDET
SW_POWER
+12VSTB
GNDDG
+9VST
MPOWERD
M46 M45 M44 M43
+3.3V_THM
D815
DA2J10100
DA2J10100
D813
POFF
GNDHD
+12V
TP103
D8962
RB050M-30GTR
ModelNo.TX-NR525
SCHEMATICDIAGRAM (PART-14)