Onkyo HT-RC440(B) Service Manual page 36

A B
SCHEMATIC DIAGRAMS-14 (PART-14)
MPU SECTION
BAHDM-1108 (1/5)
U0050
1
HDMI PC BOARD
2
MIC_MUT
VOLDATA
VOLCLK
VPROTECT
IPROTECT
SEC1H
VOLH
AMUT
Z2MUT
SBZ2MUT
SPRLF
SPRLCS
3
SPRLZ2
TU_SCL
TU_SDA
TU_RST
TU_GPIO2
RI
DIGMUT
HDMIRST
HDMIINT
HDMISCL
HDMISDA
SPICS
SPIHOLD
4 HDMISDI
HDMISDO
HDMISCK
CEC
5
6
7
C8977
104K
C8976
918+700mA
100/16
C8975
#106K/16
C8974
226M/16
C8973
226M/16
D8971
NC
8
C8972
C8978
106K/25V
C8971
223K
106K/25V
TX-NR414/ HT-R758/ HT-RC440
C D
Initial Setting
Val
R662
R663 Val
Val
R664
Val
R665
Val
R666
R667 Val
Val
R668
Val
R669
Q7020 C518 102K
S-80127CNMC-JKM
RESET R671 2.7K
RESET
C519 102K
R673 2.7K
C520 102K
4 3
VOUT NC
2 R675 2.7K
VSS
C527 102K
5 1
VDD DS
R677 2.7K
C7310 105K +3.3V_STB
C503 104K
1
C523
102K
2
AVSS
1 AVREF0
R530
SPICS 47 3
P10/ANO0
SPIHOLD R65110K R531 #47 4
P11/ANO1
5
C504
AVREF1
HPDET 104K R652 1K 6
P00/TIP61/TOP61
R503 10K
7
P01/TIP60/TOP60
FLMD0 C505 104K R504 0 8
FLMD0
9
VDD
10
C509 REGC
106K/16 11
VSS
12
X501 X1
CSTCR5M00G53-B0 13
X2
5MHz
14
RESET
15
XT1
C7313 102K 16
XT2
R506 220
SYSOUT 17
P02/NMI
REMIN R508 220 18
P03/INTP0/ADTRG
R509 220
SYSIN 19
P04/INTP1
DRST R721 10K R510 47 20
P05/INTP2/DRST
R511 10K
HDMIINT R512 220 21
P06/INTP3
HDMISDI R681 47K R514 220 22
P40/SIB0/SDA01
R682 10K
HDMISDO 23
P41/SOB0/SCL01
HDMICLK R515 24
P42/SCKB0
47x4
25
P30/TXDA0/SOB4
26
P31/RXDA0/INTP7/SIB4
27
P32/ASCKA0/SCKB4/TIP00/TOP00
28
P33/TIP01/TOP01
29
P34/TIP10/TOP10
30
P35/TIP11/TOP11
31
P36
32
R693
P37
47x4
33
EVSS
C508
HDMIRST 34
104K EVDD
HDMISDA 35
P38/TXDA2/SDA00
HDMISCL 36
P39/RXDA2/SCL00
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
Q8156
UM6K1N
5
Q3113
KRC104S
STBPOWER1 1
POWER SUPPLY
+5.2VHD
+1.8VHD +3.3VHD
C8957 C8937
104K 104K
294+55+80mA
C8956 C8936
+1.8VHD +3.3VHD +5.2VHD
100/16 100/16
+1.87V +3.3V +5.2V
R8974 R8954 R8934
27KF 820KF NC
R8973 C8955 R8953 C8935 R8933
27KF #106K/16 33KF #106K/16 56KF
R8975 C8954 R8955 C8934 R8935
10KF 226M/16 10KF 226M/16 10KF
C8953 C8933
R8978 R8958 R8938
226M/16 226M/16
D8951 D8931
NC 100K 220K
R8976 C8980 R8956 R8936
NC C8960 NC
5.6K 472K 10K 103K 15K
4 5 4 5 4
GND FB GND FB GND FB
3 6 3 6 3
SW COMP SW COMP SW COMP
C8952 C8932
2 7 2 7 2
IN EN IN EN IN EN
C8958
1 8 106K/25V 1 8 106K/25V C8928 1
BS SS BS SS BS SS
C8979 C8951 C8959 C8931
223K 223K
104K 104K
106K/25V 106K/25V
E F
NSCT-9P2472 P751A
UPGRADE
MAIN MICOM
1
CS
2
SO
3
WP
4
GND
+3.3S
108 R622 47
PDL3/AD3
107 R621 220
PDL2/AD2
106 R619 47
PDL1/AD1
105
PDL0/AD0
C522
104
BVDD
103 104K
BVSS
102
PCT7
101
PCT6/ASTB
R611 220
100
PCT5
R609
99 220
PCT4/RD
98
PCT3
97
PCT2
96
PCT1/WR1
95
PCT0/WR0
94
Q701 PCS7
93
PCS6
MPD70F3477AGJA
92
PCS5
91
PCS4
R578 220
90
PCM5
89
PCM4
88
PCM3/HLDRQ
87 R579
PCM2/HLDAK
220x4
86
PCM1/CLKOUT
85
PCM0/WAIT
84 R581
PCS3/CS3
220x4
76 P915/A15/INTP6/TIP50/TOP50 83
PCS2/CS2
75 P914/A14/INTP5/TIP51/TOP51 82
PCS1/CS1
74 P913/A13/INTP4 81
PCS0/CS0
73 P912/A12/SCKB3 80
PCD3
79 R582
PCD2
220x4
78
PCD1
77
PCD0
76 R583
220x4
75
74
73
R584 47
R555
NC
C514
101J
KRC102S
Q756
+3.3VMPU
2
C8940
103K
5
6
7
8
C8939
104K
G H I
NSCT-9P2472 P752A
MAIN_J-TAG
SPRLF
SPRLCS
Q153
R152
BR25S640FJ
10K
8 HPDET
Vcc
R151
7 GNDDG
HOLD
6 10K
SCK
5
SI
C151
Q752 Q762 Q772
104K
KRA102S
#KRA102S KRA102S
1 1
Q761
Q751
KRC104S #KRC104S
R713 R762
1 1
C613 #2.2K
2.2K
AMUT
AMUT_C
SBZ2MUT
R623 10K
ROMSDI
SBZ2MUT_C
R620 10K ROMCLK
Z2MUT
R618 10K
ROMSDO
Z2MUT_C
UPTDETINT
UPTRST
UPTSDA
UPTSCL
VOLDATA
UPTRXD
R600 10K
VOLCLK
UPTTXD
P-UP
AMUT_C
UPTDET
P-UP Z2MUT_C
GNDV_AUX
R110
10K
ARMZ2MUT
R599 #10K
Z2DACMUT
POFF2_1 D110
R598 #10K
KDS4148U
DACCS
R597 10K
DIRCS
R596 10K
FHS
DACRST
DIRRST
10Kx4
DIRINT0
R580
DIGMUT
DIGCLK
FLDCLK
R588 NC DIGSDO
FLDSDO
DIGSDI
R595 10K ARM_CS
KEYINT0
R594 10K
UPTDETINT
FLDRST
R593 10K
CECIN
KEYINT1
R592 27K
POFF
R591 1M FCLK
R590
10K
GNDDG
LEDPURE
GNDV_AUX
LEDTHRU
R723
100
VP_CON
KRA107S KRA107S
Q755 Q753
L746
+5.0VDIS
BLM18PG181SN MICDET
+12VSTB
KRC102S
Q754
Q181
KRC105S
MPOWER
BLM18PG181SN L703
106K/16
C705
C707
106K/16
G
+5VDIS
Q7025
L7004
D702 2SA1162-GR
R7061 BLM18PG181SN
1 2
KDS4148U #0
C708
106K/16
G
1
Q7027
C709 106K/16
KRC104S
1
C706 106K/16
1 2
D182
KDS4148U
RB050M-30
D8962
GND
TX-NR414/ HT-R758/ HT-RC440
J K
1
2
SPRLSB (NC) 3
SPRLZ2 (NC) 4
5
6
7
1
Q771
KRC104S
R772
1
2.2K
9
8
7
6
5
4
3
SB_MUT (NC) 2
FANCTRL (NC) 1
13
12
YDET 11
VDET 10
STBPOWER2 9
POFF2 8
VSWSCL 7
VSWSDA 6
VMUT 5
GNDHD 4
+5.2VHD 3
2
1
23
22
FLDCS 21
20
19
18
REMIN 17
+3.3S 16
KEY3 15
VOLA 14
KEY2 13
VOLB 12
11
LEDVOL
10
AUX_V 9
8
7
6
KEY1 5
4
KEY0 3
2
1
SW_POWER 5
+12VSTB 4
GNDDG 3
+9VST 2
MPOWERD 1
THERMAL 3
+3.3V_THM 2
GNDDG 1
KDS4148U D815
KDS4148U D813
POFF
GNDHD
For Writing software
P802 NPLG-2P116
3
12.0
+12V 2
1
GNDHD
Model No. TX-NR414/HT-R758
SCHEMATIC DIAGRAM (PART-14) MPU SECTION
27-12-2011