Onkyo HT-RC270(B) Service Manual page 53

Hide thumbs Also See for HT-RC270(B):
Table of Contents

Advertisement

A
B
PRINTED CIRCUIT BOARD VIEW-5-2
Digital (Main CPU/DAC) Board
U005
BADG-0462
1
2
16
15
3
center bar
12VFAN
/POFF2
MPOWER
GNDVD
SYIN
MMP
+3.3VST
+SUB
GNDDAC
1
FANCTRL
STEREO
RDS
DATA
4
PLLSCL
RX232
RXD
SRTXD
IRIN
TRGB
GNDDG
1
5
C
R7016
œ
18
R7015
R7043
10
R7185
15
5
1
R7062
R7147
R7229
R7061
œ
R7060
R7059
œ
1
R7018
R7029
R7093
R7257
22
œ
R7243
R7027
œ
R7026
R7009
R7028
22
20
R7012
R7101
R7013
C7029
R7010
R7019
R7130
R7242
R7011
R7044
œ
1
œ
1
R7235
œ
œ
œ
16
18
1
5
1
œ
5
10
10
18
15
R7014
HDMI
Q7028
Q7025
Q7019
Q7004
Q7015 Q7017
10
5
1
R7196
R7168
18
15
R7132
R7040
R7097
R7113
Q7022
R7152
1
19
15
œ
œ
10
5
1
19
œ
œ
œ
20
œ
œ
20
1
R7072
R7251
R7070
5
R7069
15
10
16
œ
œ
22
œ
R7253
R7245
1
œ
œ
œ
œ
1
1
16
Q7035
+12VDG
/POFF
IN
V
AUXC
CVIN
MMP_
MMP_SCIN
2
9
R2100
+5.9VDC
1
1
R2112
GNDDAC
GNDDAC
R2116
R2104
R2105
R2117
R2101
R2102 R2103
R2113
R2114 R2115
SD
RDSCLK
PLLSDA
RS232TXD
SRRXD
R2234
SRRST
R2143
C2140
TRGA
C2145
TRGC
C2135
R2144
GNDDG
R2236
C2133
C2137
C2201
C2106
R2500
C2240
R2246
C2231
C2194
R2245
18
R2118
R2233
C2242
C2112
C2105
C2243
R2120
R2111
R2249
R2238
C2102
R2250
R2240
R2235
R2501
R2241
R2239
C2218
A
C2107
C2139
C2142
C2134
C2110
C2132
C2153
R2269
R2260
R2259
C2255
R2268
16
R2254
R41
R2255
C2247
C2257
IN
CBL/SAT
IN
GAME/TV
OUT
DVR
VCR/
TX-NR708/HT-RC270/TX-NA708/DTR-40.2/DHC-40.2/TX-NR808/TX-NA808/HT-RC280/TX-NR1008/TX-NA1008/DTR-50.2
D
E
R7156
R7158
R7161
R7172
R7233
R7207
C7054
œ
1
+5VDAC
R7151
R7154
C7025
R7174
1
2
C7035
5
R7176
10
R7241
C1385
DSP_CSW3
DSP_WHLR3
R1582
R7099
DIGSDO
DIGCLK
DIGSDI
15
~DAC_RST
~DAC_CS1
20
~DAC_CS2
~DAC_MUT
C7041
~DIR_RST
~DIR_CS
R7184
C1823
~DIRINT0
R7177
~DIRINT1
R7169
OPTF
ARC_SPDIF
25
HDMI_SPDIF
R7194
BAND
GND_ARM
C7040
30
INT1
GND_ARM
C1109
MCK_HDMI
PCMBCK_HDMI
35
PCMLRCK_HDMI
C1822
C1119
PCMLR_HDMI
C1118
DSP_MCK
C1117
DSP_BCK3
C1116
DSP_LRCK3
40
C1111
C1125
39
Q7012
LEDSTBY
1
R7064
GND_DG
LEDZONE2
DSP_FLR3
LEDZONE3
DSP_SLR3
LEDTHRU
5
DSP_SBLR3
LEDPURE
GND_ARM
KEY0
GND_ARM
REMIN
MCKDIR_HDMI
REMO_IN
Q7001
BCKDIR_HDMI
LED_REMO
10
LRCKDIR_HDMI
R7002
FLDCS
SDOUTDIR_HDMIFLR
FLD2CS
FLDRST
1
GND_DG
FLD_CLK
15
FLD_SDO
GND_DG
GND_DG
+3.3VMPU
+3.3VST
20
KEYINT0
KEYINT1
KEY1
R1103
+5VMPU
KEY2
R7244
R1102
VOLB
KEY3
25
R1490
VOLA
OPTF
MICDET
30
MICMUT
MICOUT
AUX_L
GND_AUX
35
L1307
GND_AUX
AUX_R
+15VA
-15VA
AUXCV_IN
GND_VD
40
D2004
5
30
31
1
5
C2050
A
R2159
R2145
C2176
R2155
C2156 C2157
R2307
R2150
R2177
R2168
C2280
R2175
R2309
V
R2172
R2305
R2124
C2256
Y
C
PB
R2297
C2258
C2270
C2212
R2298
C2282
R2279
R2278
C2281
C2127
IN
VCR/DVR
OUT
MONITOR
IN-3
COMPONENT
C2147
IN-1
IN
DVD
IN-2
COMPONENT
B side view from A side
F
G
Q1303
R1570
R1550
R1668
R1648
R1658
R1820
C1306
R1649
R1551
R1659
R1571
R1669
R1382
R1342
R1662
C1304
R1642
R1652
R1821
R1647
R1377
R1347
R1657
R1667
R1367
R1370
R1340
R1660
R1620
R1630
DAC_WHR
R1641
R1341
R1651
R1371
R1661
R1375
R1345
DAC_SW
DAC_FR
C1826
DAC_SBR
DAC_SR
AD_R
R1665
R1645
+15VA
DAC_WHL
R1655
-15VA
DAC_C
+5.9VDC
DAC_FL
+12VDG
DAC_SBL
GNDDAC
DAC_SL
AD_L
MICFOUT
R1646
R1346
R1656
R1376
GNDA
R1666
R1373
R1343
GNDA
GNDDAC
GNDDAC
R1663
R1643
R1653
R1644
R1374
R1344
R1654
R1664
+5VDG
C1400
C1417
C1418
C1825
1
D2001
POFF
12VRL
C59
_MPU
C110
+SUB
POWERD
C107
PLLSCL
Q102
PLLSDA
STEREO
Q2
SD
+B_9V
NC
TULOUT
TUNER_GND
TU_R_OUT
R55
TUNER_GND
FM_RDS11
R2256
R2274
2
1
R2242
21
C2261
C2264
R2276
R2295
R2198
R2219
R2261
R2213
C2220
R2294
R2283
R2314
R2209
C2227
C2286
R2290
C2253
C2215
L2103
C2263
OUT
Z2
OUT
OUT2
DIP
H
D161
D162
center bar
C2906
PR_IN2
CY_IN2
PB_IN2
D4SEL2
D4SEL1
PR_IN1
PB_IN1
C2907
CY_IN1
C2908
PR_OUT
PB_OUT
CY_OUT
A side pattern
B side pattern

Advertisement

Table of Contents
loading

Table of Contents