Micom Codec Section - Onkyo HT-R370(B)(S) Service Manual

A
SCHEMATIC DIAGRAMS-3 (PART-5)

MICOM CODEC SECTION

QQ
3 7 6 3 1 5 1 5 0
1
BCDG-0022 U002
MICOM CODEC PC BOARD
D181
KDS4148U
2 1
D183
R181
1 2
RL1N4003
4.7(1/2W)
1 POWERD APOWER
2 +10VS
Q201
3 GNDDG
KRC105S
+12VD_ST
4
5 POFF
2
HTR-570 ONLY
1 SPRLF
2 SPRLCS
3 SPRLSB
4 SPRLB_SPB
5 HPDET
6
7
TOP-UNDER
1 FLAC1
2 FLAC2
3 -VP -VP
4 +5.0VDIS
5 MMPDET MMPDET
6 MMPTXD
7 MMPRXD
8 MMPSCL MMPSCL MMPSCL MMPSCL
3
9 MMPSDA
10 MMPRST
11 MMPDETINT MMPDETINT
12 VDSWDCTL_FANCTRL
13 VDSW_SDA
14 VDSW_SCL VDSW_SCL
15 VMUT
16 AUX_V AUX_V
17 GNDV_AUX
18 POFF2_2
19
20 +12VD
21 GNDDG
22
23 +5VD_CODEC
24 +5VA_CODEC
25 GNDA
26
4
1 FLAC1
2 -VP -35.0V
3 FLAC2
4 REMIN
5 FLDRST
6 FLDCS
7 FLDCLK
T E 8 FLDSDO
L 1 3 9 4 2 2 9 6 5 1 3
9 KEY0
10 KEY1
11 KEY2
12 KEY3
13 +3.3S
14 KEYINT0
15 LEDSTBY
16 KEYINT1
17 VOLA
18 VOLB
19
5
20 GNDDG
21 +5.0VDIS_
22
23 -12V
24 MICOUT
25 +12V
26 MICDET
27 MICMUT
28 AUX_R
29 GNDA_AUX (GNDMIC)
30 AUX_L
31 GNDA_AUX
32 AUX_V
33 GNDV_AUX
6
DIGITAL IN
L131
LBC2518T2R2M
4
COAX1
A
2 L132
LBC2518T2R2M
5
COAX2
P131
U131 1
IN
47 R141
3
VCC
OPT1
7
2
GND
JSR1165-001recieving
U132 1 R142
IN
47
3
OPT2
VCC
2
GND
JSR1165-001recieving
www
8
.
AUDIO DIGITAL SIGNAL
http://www.xiaoyu163.com
B
2 6
4 8 10
1 3 5 7 9
TO PART-10:K8 BAHDM-0058
P8001A
+10S
R182
1(1/2W)
D182
2 1
KDS4148U
D110 KDS4148U
1 2
R110
+3.3VMPU
10K L747
BLM18PG181SN BLM18PG181SN
Q702
S812C33AUA
BLM18PG181SN
I O
Q703
S812C56AUA
+10S
I O
+3.3VD
Q746
BH33FB1WG
L742
BLM21PG221SN1 1
5
VIN VOUT
2
GND
3
4
STBY NC
GNDA
R133 C133
10 104K
R134
C134
104K
10
NC
R803
+5.0V
L133
LBC2518T470M
L134
LBC2518T470M
82K R140
x a o
y
i
C
<Note>
1. NC = No mount of parts.
2. PART-x : XY is short for Schematic Diagrams-x and each sockets location, X = A to K, Y = 1 to 7.
8
12 14 16 18 20 22 24
11 13 15 17 19 21 23
TX-SR307
MDD
F MPP
MDC
MDF
R700 NO 10K
R701 0 10K
R702 NO NO
R703 0 0
NO NO
R704
0 0
R705
NO NO
R706
0 0
R707
L743
Front
Rear
L741
+3.3VMPU
KDS4148U
D702 2 1
D701 KDS4148U
2 1
L744
BLM18PG181SN
Q153
R1EX25064ASA00A
ROMCS 1 8
CS Vcc
Q Q
ROMSDI 2 7
3 7 6 3
SO HOLD
3 6
WP SCK
4 5
GND SI
ROMSDO
ROMCLK
OPT1
OPT2
COAX1
COAX2
u 1 6 3
.
D
2 4
9 9 8
HT-R370 HT-R570
MDD
MMO MPP MMO MDD MMO
MDC
MMQ MDF MDC
10K
10K NO 10K 10K 33K
NO 0 10K NO 10K NO
NO 10K 10K 10K 10K 10K
0 NO NO NO 10K 10K
NO 10K 10K 10K 10K 10K
0 NO NO NO 10K 10K
NO NO NO NO NO NO
0 0 0 0 0 0
No Mic
ROMCS R595
MICDET R596
MICMUT R599
R600
LEDSTBY
R601
FLDSDO
R602
FLDCLK
R603
FLDCS
R604
FLDRST
R605
PLLSCL
PLLSDA R607
KEYINT1 R609
KEYINT0 R610
R611
KEY3
R613
KEY2
R615
KEY1
KEY0
HDMI_PWR
L153 +3.3VMPU
BLM18PG181SN
1
C151
Q601
C604
104Z
KRC104S
4.7/50
1 5 1 5 0 8 9 2 4
COAX2 R337 330
COAX1 R336 330
OPT2 R334
330
OPT1
R333 330
UTSP
+5.0V
L304
BLM21PG221SN1
L301
BLM21PG221SN1
UTSP
C313 104Z
C314 104Z
DIR_SDOUT
R312 47
L311 LM182
RMCK R313
150
330
R314
DIR_LRCK 47
R315
DIR_BCK R316
L313 LM182
[FL/FR] DSPLR 330
47 R319
[Center/Sub] DSPCSW 330
R318
[SL/SR] DSPSLR 330
R317
[SBL/SBR] DSPSBLR
CX_SCLK
CX_LRCK
R173
m 47
c o
HT-R370
E
2
9 9
R111 1M
Q754
KRC102S
R724 R722
100 220K
Q755
KRA107S
R721
10K
Q753
Q756
KRA107S
KRC102S
C514
102K
C515
104Z
R590 27K
R588 27K
10K
R592
+3.3VMPU
47 81
1K 82
220 83
47 84
P04/AN04/D4
220
85
P03/AN03/D3
220
86
P02/AN02/D2
220
87
P01/AN01/D1
220
88
P00/AN00/D0 P07/AN07/D7
M30
47
89
P107/AN7/KI3 P06/AN06/D6
47
90
P106/AN6/KI2 P05/AN05/D5
4.7K 91
P105/AN5/KI1
4.7K 92
P104/AN4/KI0
4.7K 93
P103/AN3
4.7K 94
P102/AN2
4.7K 95
P101/AN1
96
AVSS
R617 4.7K
97
P100/AN0
98
Vref
R619 47 99
AVcc
100
9 8 2 9 9
C337 330J
C336 330J
C334 330J
C333 330J
49 32
50 31
51 30
VD2 AOUTB2-
52 29
DGND2 49:RXP0 AOUTA2+:32 AOUTA3-
53 28
VLS 50:TXP AOUTB2+:31 AOUTA3+
54 27
SAI_SDOUT AOUTB3+
55 26
CS42518-CQ
RMCK AOUTB3-
56 25
CX_SDOUT AGND1
57 24
Q301
ADCIN2 VA
58 23
ADCIN1 AOUTA4-
59 22
OMCK AOUTA4+
62:CX_SDIN4
60 21
SAI_LRCK AOUTB4+
63:CX_SDIN3
61 20
SAI_SLCK AOUTB4-
64:CX_SDIN2
62 19
REFGND
63 18
FLT+
64 17
VQ
C316 221J
X171
HC-49US24.576MHz
R171
1M
5 4
GND
6 3
L173
7 2
LM182 8 1
VD
PCB
TC7WU04FU
+3.3V Q171
L171
C171 104Z
LBC2518T470M