Onkyo HT-RC270 Service Manual page 18

A B
SCHEMATIC DIAGRAMS - 14
MAIN MICROPROCESSOR SECTION
Q Q
3 7 6 3 1 5 1 5 0
1
U0051 BACPU-0463
40 GND_VD
39 AUXCV_IN
38 -12VA
37 +12VA
36 AUX_R
35 GND_AUX
34 GND_AUX
33 AUX_L
32 MICOUT
31 MICMUT
30 MICDET
2 29 OPTF
28 VOLA
27 VOLB
26 +5VMPU
25 KEY3
24 KEY2
23 KEY1
22 KEYINT1
21 KEYINT0
20 +3.3VST
19 +3.3VMPU
18 GND_DG
17
16 FLD_SDO
15 FLD_CLK
14
13 FLDRST
12 FLD2CS
11 FLDCS
10 LED_REMO
9 REMO_IN
8 REMIN
3
7 KEY0
6 LEDPURE
5 LEDTHRU
4 LEDZONE3
3 LEDZONE2
2 GND_DG
1 LEDSTBY
R7109
NC
NC
C7014
16 GND_DAC
15
14
13
+12VDG+SUB
12 +5.9VDC +5.9VDC
11 +3.3VST
10 U_SCIN
4
9 U_SYIN
8 U_CVIN
+12VDG1
7 GND_VD
6 AUXCV_IN
5 MPOWER
R7148 R7149 Q7023
4 POFF 1.5(1W) XC6202P502FR +5.0V
1.5(1W)
3 1 +5VMPU
3 POFF2 I O
30mA
2 +12VDG G
1 12VFAN
T E
L 1 3 9 4 2 2 9 6 5 1 3
18 GND_DG
+3.3V
17 1 5 +3.3VMPU
VIN VOUT
10mA
16 TRGCZ3 2
VSS
15 TRGB 3 4
CE NC
14 TRGAZ2
Q7026
13 IRIN
XC6213B332MR
12 SR_RST GND_DG
11 SR_TXD
+5.0V
10 SR_RXD
+5VST2
5
9 RS232RXD
8 RS232TXD Q7029
S-812C33AUA-C2N
7 PLLSCL
2 3 +3.3VST
I O
6 PLLSDA
+3.3VMPU
5 RDSDATA G 1
4 RDSCLK
STEREO
3
SD
2
1 FANCTRL
Q7032
S-812C56AUA-C3K
1SS352
2 3 +5VST
I O
D7001
G
1
C7047
470/10
C7048
BLM21PG221SN1 C7046
L7001 10/50 104Z
2 R7242 RI
3 220
1
P7008
RIJACK
R7243 C7050
MSJ-035-22 0
NC
+12VDG
6
GND_VD
P7077
NEJITANSI_ST3
2
2SC2712-GR
Q7035 1
3
1
P2.3/INT8 P0.3/INT3
2
P2.1/INT9 P0.2/INT2
3
P3.0/T0PWM/T0CAP P0.1/INT1/SCLK
4
104Z Q7036
P3.0/REM P0.0/INT0/SDAT
C7053
5
VDD
0 6
VSS
R7255
7 7
XOUT S3F80K9
8
XIN
X7001 R7256
9
CSTCE8M00G55-R0 0 TEST
TEST
10
P2.5/INT9
11
P2.6/INT9
TX-NR808/1008,DTR-50.2 only
Bi-direction Remote
w w w
8
C D
SRZ3MUT3.3
Q7001
KRA102S
C7000 105Z
R7002 SRZ3MUT
1K
PREFLMUT3.3
Q7004
KRA102S
R7260 47K
R7038 47K
R7039 47K
C7004 105Z
R7044 47K
R7040 PREFLMUT
1K R7046 47K
Z3MUT3.3 R7048 47K
R7054 47K
Q7012 DHC40.2 only R7261 47K
KRA102S
C7009 105Z
+3.3VST
R7064 Z3MUT
1K
SWMUT3.3
Q7015
KRA102S
R7094
220
SPRSPB 109
110
C7013 105Z PDL5/AD5/FLMD1
SPRLSR R7098 111
PDL6/AD6
R7097 SWMUT
220
1K SPRLC R7100 220 112
PDL7/AD7
SPRLF R7102 220 113
PDL8/AD8
PRESRMUT3.3
220
SPRLSB R7104 114
PDL9/AD9
220
SPRLFW R7107 115
Q7017 PDL10/AD10
SPRLFH R7110 220 116
KRA102S
PDL11/AD11
LEDTHRU R7111 47 117
PDL12/AD12
LEDZONE3 R7112 47 118
PDL13/AD13
C7015 105Z LEDZONE2 R7114 47 119
PDL14/AD14
R7113 PRESRMUT LEDPURE R7116 47 120
1K PDL15/AD15
TRGCZ3 R7117 220 121
PRESBMUT3.3 PDH0/A16
TRGB R7119 220 122
PDH1/A17
TRGAZ2 R7122 220 R7127 123
Q7019 PDH2/A18
47K
KRA102S MICDET R7125 220 124
PDH3/A19
MICMUT R7128 220 R7124 125
47K PDH4/A20
220
MPOWER R7130 126
PDH5/A21
C7016 105Z R7134 47K R7133 SEC1M 127
PDH6/A22
220 47K
R7132 PRESBMUT SEC1H R7135 128
1K PDH7/A23
IPROTECT R7138 220 129
AMUT3.3 P715/ANI15
220
VPROTECT R7140 130
P714/ANI14
1K
Q7022 VOLB R7142 131
KRA102S P713/ANI13
1K
VOLA R7144 132
P712/ANI12
220
U_DET1 R7146 133
P711/ANI11
47K
R7150 THERMAL2 134
R7152 C7017 105Z P710/ANI10
THERMAL1 R7153 220 135
1K
AMUT P79/ANI9
220
VOLH R7155 136
Z2MUT3.3 P78/ANI8
R7157 INT3d INIT3 137
P77/ANI7
R7160 INT2d INIT2 138
Q7025 P76/ANI6
KRA102S R7162 INT1d INIT1 139
P75/ANI5
R7164 BANDd BAND 140
P74/ANI4
4.7K
KEY3 R7166 141
P73/ANI3
4.7K
C7022 105Z KEY2 R7169 142
P72/ANI2
R7168 4.7K
Z2MUT KEY1 R7171 143
1K
P71/ANI1
4.7K
SBZ2MUT3.3 KEY0 R7173 144
P70/ANI0
2.7K
R7176
Q7028
2.7K
KRA102S R7177
2.7K
R7184
2.7K
R7194
R7197
10K
C7026 105Z
DHC40.2 only
R7196
SBZ2MUT +3.3VST
1K
+3.3VMPU
PREWLMUT3.3
Q7031
KRA102S
Q7033
R1EX25064ASA00A
C7045 105Z ROM_CS 1 8
CS Vcc
R7236 PREWLMUT ROM_SDI 2 7
R7237
1K SO HOLD
47K
3 6 1 3
WP SCK DS MR
4 5
GND SI
5 4
VDD OUT
Q7034
NJU7706F27A3
47
R7244
33
32
31 SCLK
30 SDAT
29
P4.4
28
P4.5
27
P4.6
26
P1.7
25
P1.6
24
P1.5
23
P1.4
P3608B IMSA-9142S-18A
AUE9142s18
TO BAHDM-0471
SD23 : D1
x a o
y
. i
http://www.xiaoyu163.com
E F
Power_GND
Q7005
KRC102S Q7006
KRA107S
47K R7059
47K R7060
47K R7061
47K R7062
R7058 47K
R7063 10K
2.7K
R7080
+3.3VST
72
P911A11/SOB3
71
P910/A10/SIB3
70
PDL4/AD4 P99/A9/SCKB1
109
69
P98/A8/SOB1
68
P97/A7/SIB1/TIP20/TOP20
67
P96/A6/TIP21/TOP21
66
P95/A5/TIP30/TOP30
65
P94/A4/TIP31/TOP31
64
P93/A3/TIP40/TOP40
63
P92/A2/TIP41/TOP41
62 R7115 10K
P91/A1/KR7/RXDA1/SCL02
61
P90/A0/KR6/TXDA1/SDA02
60
P81/TXDA3
59
P80/RXDA3/INTP8
58
P615
57
P614
56
P613/TIP81/TOP81
55
P612/TIP80/TOP80
Q7020 54 CEC_OUT
P611/TOP71
53
MPD70F3746GJ-GAE-AX P610/TIP71
52
P69/TIP70/TOP70
51
P68/SCKB5
50
P67/SOB5
49
40 P53/SIB2/KR3/TIQ00/TOQ00/RTP03/DDO P66/SIB5
48
39 P52/TIQ03/KR2/TOQ03/RTP02/DDI P65/RTP15
47
38 P51/TIQ02/KR1/TOQ02/RTP01 P64/RTP14
46
Q Q
37 P50/TIQ01/KR0/TOQ01/RTP00 P63/RTP13
3 7 45 6
P62/RTP12
44
P61/RTP11
43
P60/RTP10
42
P55/SCKB2/KR5/RTP05/DMS
41
P54/SOB2/KR4/RTP04/DCK
40
39
38
37
+3.3VST
C7041 104Z
C7043
104Z
R7239
10K
R7240
10K
IMSA-9142B-22A P6605B P6601B IMSA-9142B-16A
except DHC-40.2
TO BATRM-0450
TO BATRM-0450
SD11 : A3, G8
SD11 : A5~6
u 1 6 3
.
TX-NR708/808/1008, TX-NA708/808/1008, HT-RC270, DTR-40.2/50.2, DHC-40.2
G H I
8 9 2 4 9
TO DEBUGER
P7000A
IMSA-9618S-09A
Digital
K L M
MODEL
NR1008
TYPE Dx xx JJ
Q7009 +5.0V
KRA107S
+5VST u 33K 10K 10K
BAND
R7049
100 d 10K N.C. 10K
Q7008
KRC102S
u 10K 10K 10K
INT1
+3.3VMPU
SYSOUT
d NC NC NC
Q7013
KRC102S
C7010
u NC NC NC
INT2
101J
d
C7011 101J
u
NC NC NC
INT3
d
47
R7093 FSO
47 RDS
R7096 FSI
220 DESTINATION Dx,JJ OTHER
R7099 FLD_CLK
220
R7101 FLD_SDO
R7090 R7234
R7103 47 STEREO
O X
R7105 SD
47 R7131 X O
R7108 220 XMP2SDO
SIRIUS
DESTINATION NR708Dx DTR40.2Dx OTHER
NR808Dx DHC40.2Dx
DTR50.2Dx
R7118 R7120
47 SR_TXD O X
R7118
R7123
47 SR_RXD
R7120
47 SR_RST
R7123
IR IN
47 PLLSDA
R7126
DESTINATION NA708JJ RC280Dx OTHER
47 PLLSCL
R7129 NA808JJ NA1008JJ
220 RDSCLK
R7131
R7232 O X
47
R7136 VM_RDY
R7241
47
R7137 VM_RST X O
47
R7141 VM_CLK
47
R7143 VM_SDO
220
R7145 VM_SDI
R7147 47 SYSOUT
A B C D E F
47
R7151 XMP2RST
MODEL
47 NR708 NA708 DTR-40.2
R7154 XMP2CS
47
3 R7156 1 5 XMP2CLK 1 5 0 8 9 2
TYPE Dx xx JJ Dx xx JJ
R7158 47 XMP2RDY
R7161 47 XMP2SDI
u
R7163 47 OC_DMS R7183 33K 10K 10K 33K 10K 10K
BAND
R7165 47 OC_DCK
d R7164 10K N.C. 10K 10K N.C. 33K
R7167 47 OC_DDO
u NC NC
R7170 47 OC_DDI R7182 NC NC NC NC
INT1
4.7K
R7172 KEYINT1
d R7162
4.7K
R7174 KEYINT0
u
10K
R7181 NC NC NC 10K 10K
INT2
d R7160 33K 33K 33K
u
NC
R7180 NC NC NC NC NC
INT3
d
R7157
+3.3VMPU
102K
C7039
102K
C7040
R7900
NJM4580M-D
0
7
Q7900:A
22 U_SDA 22 SDA
21 U_SCL 21 SCL
R7904
20 U_RST 20 RESET
22K
19 U_RXD 19 RX
C7903
18 U_TXD 18 TX
101J
17 U_DET1 17 DOCK_DET1
16 U_DET2 16 DOCK_DET2
15 -15VA 15 -15VA
14 +15VA 14 +15VA
C7908
13 U_R 13 U_R
101J
12 U_GND 12
R7909
11 U_L 11
22K
10 GND_DG 10 GND_D
9 Z2_R 9 Z2_ROUT
1
8 GNDA 8 Z2_GND_A Q7900:B
7 Z2_L 7 Z2_LOUT
NJM4580M-D
6 +12VDG 6 +12V
R7916
0
5 U_SYIN 5
4 GND_VD 4 GND_VD
3 U_SCIN 3
2 GND_DG 2 GND_POWER
1 U_CVIN 1 U_CV
C7936
R7932 10/50
2.2K
R7934
22
uCOM 7000-7299
U-port 7900-7999
m
c o
J K
8 2 9 9
TO FLASH WRITER
P7001A
IMSA-9618S-09A
GND_DG 1
HPDET 2
HPRL 3
AUX_L 19
GND_AUX 18
AUX_R 17
-12VA 16
+12VA 15
GNDA 14
MVOL_DAT 13
Bi-direction Remote
MVOL_CLK 12
DESTINATION NR808Dx,Xx OTHER
Z2VOL_CLK 11
DTR50.2Dx,XX,JJ
AMUT 10
RC280Dx
SBZ2MUT 9
Q7036
R7244-R7256 Z2MUT 8
O X
C7052,C7053
PRESBMUT 7
X7001
PREFLMUT 6
SWMUT 5
model
PRESRMUT 4
DESTINATION DHC-40.2 OTHER
Z3MUT 3
SRZ3MUT 2
R7074 R7075
R7178 R7179 O X PREWLMUT 1
JL7000B
P7012B X O
GNDA 20
19
18
AD_R 17
AD_L 16
DACFLHW 15
DACFRHW 14
DAC_SR 13
DAC_SL 12
DAC_SW 11
DAC_C 10
N G H J P K L M
DAC_SBR 9
DHC-40.2 NR808 NA808 HT-RC270 DTR-50.2
DAC_SBL 8
4 9 8 2 9 9 DAC_FR 7
Dx Dx xx JJ Dx Dx xx JJ
DAC_FL 6
U_GND 5
33K 33K 10K 10K 33K 10K 10K U_L 4
U_R 3
10K 10K N.C. 10K 10K N.C. 33K
R7942
Z2_L value 2
NC 10K 10K 10K 10K 10K 10K Z2_R 1
R7943 value
10K 10K 10K 10K 10K 10K
NC
10K NC NC 10K 10K 10K
NC 33K 33K 33K
NC NC NC NC
NC NC NC
C7959
101J
R7915 R7936
5 AUDIO_R C7949 EARTH
C7907
12K 10K 105Z
27
R7901 R7937 R7938 102K
6
24
12K 10K 470
GND_A 12
L7900 LM182
SDA LM182 23
L7901
L7902 LM182 11
SCL L7903 LM182 22
L7904 LM182 10
R7907 1M
RESET L7905 LM182 21
L7906 LM182 9
RX L7907 LM182 20
Z2_GND_A L7908 LM182 8
TX 19
L7909 LM182
L7910 7
LM182
Z2_ROUT 26
R7914 R7939 R7941
2
Z2_LOUT L7911 LM182 6
12K 10K 470
DOCK_DET1 L7912 LM182 18
R7917 R7940
3 AUDIO_L C7958
5
12K 10K 105Z
C7960 DOCK_DET2 L7913 LM182 17
101J GND_D L7914 BLM21PG221SN1 4
SY 16
3
SC 15
BLM21PG221SN1 2
CV L7918 LM182 L7917 14
Q7903
1
NJM2505AF C7937 R7931
22 GND_V 13
470/6.3
1 5
Q7904
Vout VGND L7919
XC6202P502FR
2 LM182
GND 1 3 +12V
O I 25
3 4 R7933
V+ Vin
G FUSB090F
C7940 R7935
22 2
470/6.3
C7948
104Z
EARTH
+5V_MM L7920
BLM21PG221SN1
L7921
BLM21PG221SN1