Harman Kardon AVR 171/230, Service Manual

Page: 165 / 174

AVR171/230
7
3
B
1 2 3 4 5
D
C
B
A
6
C
D
A
APPROVE CHECK DESIGN DRAWING NO
MODEL
SHEET
SCHEMATIC DIAGRAM
REVISION
1
2
3
4
5
6
7
TO DM860A_NETWORK
VDD2
A
LED2
/n
IN
TS
EL
LED1
/REG
O
FF
XT
AL1
/CLK
IN
XT
AL2
VDDCR
TX
D
1
TX
D
0
TX
EN
nRST
nIN
T
MD
C
RBIAS
RXP
RXN
TXP
TXN
VDD1A RXD1/MODE1
RXD0/MODE0
VDDIO
RXER/PHYAD0
CRS_DV/MODE2
MDIO
25.GND
USB
I/F
To DM
860A P
art
USB
I/F
USB Connect
or
USB Switch Part
Apple Cert Part
USB
I/F
To MAIN
MCU
TO MAIN_CPU
GND SDA NC NC
VCC RST SCL
NC
2012.04.04
SEL
D1+
D2+
D+
D1-
D2-
D-
VDD
GND
OE
SMD Type RJ-45
To
ET
HERN
ET
PHY
USB_ETHERNET TO MCU
C.D.C S.K.S C.D.W
12.12.21
MULTI. LAB
ANAM
ISSUE
MP
(USB_ETHERNET)
27
17
TO VOLUME
DM860A DAC
DVDD
DGND
LDOO
XSMT
FMT
LRCK
DIN
BCK
SCK
FLT
CPVDD
CAPP
CPGND
CAPM
VNEG
OUTL
OUTR
AVDD
AGND
DEMP
ADD
CHANGE
ADD
CHANGE
USB PART
Fro
n
t US
B
USBD+
USBD-
DGND
DGND
USB+5V
VBUS
USB+5V
12.07.26
12.08.13
12.11.05
12.12.21 12.12.21 12.12.21
12505SCDZ
C1212 1000P
L1208
HCB2012KF-221T25
L1209
HCB2012KF-221T25
C1215
NC
C1216
NC
C1214
4.7/6.3V
C1217
4.7/6.3V
1
2
3
4 5
6
7
8
RN1203 33X4
1
2
3
4 5
6
7
8
RN1201 33X4
1
2
3
4 5
6
7
8
RN1202 33X4
24
23
22
21
20
19
18 17 16 15 14 13
12
11
10
9
8
7
6 5 4 3 2 1
IC1203
LAN8720A-CP-TR
C1221
0.1uF
C1220
0.1u
F
C1219
1u
F
C1218
470P
C1213
0.1u
F
T1204
C1202
0.01uF
C1201
10V/22uF
9
8 7 6 5
4 3 2 1
IC1202
C1205
0.1uF
1
2
3
4 78
9
10
6 5
IC1201
CVIISL54220IUZ-T
D
1203
OP
EN
D
1204
OP
EN
D
1205
OP
EN
D
1206
OP
EN
1 2
3 4
L1204
DLW21SN900SQ2L
1 2
3 4
L1205
DLW21SN900SQ2L
T1201
T1203
L1207
HCB2012KF-221T25
L1206
HCB2012KF-221T25
T1202
C1210
15P
C1211
15P
C1206 1000P
C1207 4.7/6.3V
C1208
1000P
C1209
4.7/6.3V
10
9
8
7
6
5
4
3
2
1
1
2
3
4
5
6
7
8
91
0
JK
1201
CJ
J9L
026Z
T1207
T1206
T1205
R1201
10K
R1202
10K
R1209
10
R1212
51
R1213
51
R1210
51
R1211
51
R1222
10K
R1223
10K
R1224
10K
R1217
OPEN
R1214
33
R1215 NC
R
1216 10K
R1218
OP
EN
R1219
1.5K
(1%
)
R1220
OP
EN
R1221
10K
R1225
12K(1%)
R1226
100(1%)
C1236
10/16V
C1235
10/16V
R1236 33
R1235 33
R1234 33
R1233 33
C1229 2200P
C1230 2200P
R1238 10K
1
2
3
4
5
6
7
8
9
10 11
12
15
16
17
18
19
20
14
13
IC1204
CVIPCM5100PWR
C1222
16V
/10u
F
C1223 0.
1u
F
C1234
0.1uF
C1233
0.1uF
C1226
2.2uF 6.3V
C1224 0.
1u
F
C1225
2.2u
F 6.3V
R1227
470
R1228 470
C1227
0.1uF
C1228
16V
/10u
F
R1231
10K
D
1202
1S
S355T
D
1201
1S
S355T
R1232
10K
R
1237
10K
oh
m
L1210
CLZ9Z014Z
R1230 100K
R1229 100K
T1208 T1209
L1203
DLW21SN181SQ2L
L1201
CLZ9R006Z
C1204
1000P
R1206 10K
R1205 100
C1203 0.1u
F
1
2
3
4
5
6
7
CN
1201
L1202
CLZ9R006Z
R
1207 4.
7K
R
1208 4.
7K
C1231
22P
C1232
22P
R
1250
10K
, 1%
E_
R
ESET
BC
O
_V
BU
SDR
V
US
BD
-
US
BD
+
BC
O
_V
BU
S
M
IIR
XD
2
M
IIR
XD
3
M
IIR
XD
V
M
IIR
XER
M
IIT
XD
2
M
IIT
XD
3
M
IIT
XEN
M
IIM
D
C
M
IIM
D
IO
M
IIP
H
YCL
K
PH
Y_
R
ST
ESD
A
ESCL CP
RS
T
BCO_1.2V
RX_P4
RX_N4
TX_P4
TX_N4
USB_DN
USB_DP
BCO_3.3V
BCO_3.3V
USBD+
USBD-
MCU_USB_DP
MCU_USB_DM
USB_SEL
USB_ OE
MIIPHYCLK
MIIRXD3
MIIRXD2
MIIRXER
MIIRXDV
MIIMDIO
MIIMDC
MIITXEN
MIITXD2
MIITXD3
PHY_RST
E_RESET
E_
RESET
BC
O_V
BUS
D
R
V
USB
D-
USB
D+
BC
O_V
BUS
M
IIRXD2
M
IIRXD3
M
IIRXDV
M
IIRXER
M
IIT
XD2
M
IIT
XD3
M
IIT
XEN
M
IIM
DC
M
IIM
DIO
M
IIP
HYCLK
PHY_
R
ST
ESD
A
ESCL CP
RST
USB_OC
USB_ OE
USB_OC
USB_ OE
USB_SEL
USB_SEL
MCU_USB_DM
MCU_USB_DP
MCU_USB_DP
MCU_USB_DM
USB_VBUS
USB_VBUS
BCO_3.3V
BCO_3.3V
RX_N4
RX_P4
TX_N4
TX_P4
MCU_USB_DM
MCU_USB_DP
USB_ OE
USB_SEL
USB_OC
USB_VBUS
USB_OC
USB_ OE
USB_SEL
MCU_USB_DM
MCU_USB_DP
USB_VBUS
E_256FS
E_FS
E_64FS
E_DATA
AGND
CHGND
CHGND
+3V3_DC
BRIDGECO_L
BRIDGECO_R
USB_DP
USB_DN
USB_VBUS
BCO_VBUS
USB+5V
ESDA
ESCL
AGND
AGND
AGND
U
SB_
CU
RREN
T
Harman Kardon AVR 171 Service Manual
Page 165 of 174