Harman Kardon HK 990/230 Service Manual page 105

R25 R28
2K7 150R
HR610675(Hanrun)
HRS-Link
3 T4 4
J4
RJ45 10P8C
R29 C36
1 300R 100nF
+
2 1 6
3
+
6
R14 0R
5 CLK_24_MHZ_5
+
DNE
R13
4
T3
+ 7 4 3
8
GND
R35
100R
6 1
A
HR610675(Hanrun)
C40
100nF
R24
2K7
COAX1 in
C22
HR610675(Hanrun)
100nF
T2
1 6
SPDIF3+
J2A
R22
AV2-8.4-14/EC
75R
C21
3 4 100nF
SPDIF3-
R21
2K7
C20
DNE
COAX2 in
C5
C19
100nF
100nF
1 6
SPDIF4+
J2B
AV2-8.4-14/EC R20
75R C18
100nF
3 4
SPDIF4-
T1
HR610675(Hanrun)
R19
2K7
C17
DNE
SUB Trig_1 OUT
PTC1
J3 3
t
2
1
FSMD010-1206
CKX-3.5-12A C112
C113
100nF
100nF
SUB Trig_2 OUT
J7 3
2
1
C114
CKX-3.5-12A
100nF
A
FB10
+3.3V
FB0805
+3.3V
C24
R78
100nF
10K
1
OE0
2 3
A0 O0
SRC4392 is MASTERon both PORTA andPORTB
U5A
74LCX125MTC
TOSLINK
C39 +3.3V
100nF
ADC_LRCLK
ADC_BITCLK
ADC_SDATA
GPO1
4 2
1Y0 1A
GPO2
5 3
1Y1 1B
GPO3
6
1Y2
GPO4
7 1
1Y3 1G
U10A
74LCX139TTR
U10B
GPO5
12 14
2Y0 1A
GPO6
11 13
2Y1 1B
GPO7
10
2Y2
GPO8
9 15
2Y3 1G
74LCX139TTR
+5V
Q3
SS8550
R60 R61
R46
D1
10K
1K
47K
LL4148
+3.3V
R71
1
10K
Q4
BSS123
+3.3V
FB5
FB0805
C51
100nF
C111
47uF/25V C38
R34 100nF
10R
C31
FB8
47uF/25V +1.8V
FB0805
C37
100nF
C32
100nF U9
SRC4392IPFBT
24 34
RST_SRC# RESET AES_OUT
1 32
RX1+ TX+
2 31
RX1- TX-
3
RX2+
C33 100nF 4 36
RX2- SYNC
5 35
RX3+ BLS
6
RX3-
7 12
RX4+ RXCKO
8 13
RX4- RXCKI
41 25
NC MCLK
R56 47R 38 47 R58
LRCLK_A LRCLK_B
R55 47R 37 48 R59
SCLK_A SCLK_B
39 46
SDIN_A SDIN_B
40 45 R57
SDOUT_A SDOUT_B
26 19
GPO1 CS/A0
27 20
GPO2 CCLK/SCL
28 21
GPO3 CDIN/A1
29 22
GPO4 CDOUT/SDA
23
INT
11
SRC_LOCK# LOCK
14 18
MUTE CPM
15
RDY
SRC_INT# is an open drain /active LOW output
SRC_AESOUT
GPO2
+3.3V
FB9
FB0805
C23
100nF
GPO5
1
OE0
2 3
A0 O0
R36
U4A
47R
74LCX125MTC
+3.3V AMS1117-1.8
3
CLK_24_MHZ_4
47R C44
SRC_LRCLK
100nF
47R
SRC_BITCLK
47R
SRC_SDATA
I2C_SCL
I2C_SDA
SRC_INT#
+3.3V
U4C
74LCX125MTC
R23
GPO8
47R 13
OE2
11 12
O2 A2
U4D
74LCX125MTC
R26
GPO4
47R 10
OE3
8 9
O3 A3
U5C
74LCX125MTC
GPO7
13
OE2
11 12
O2 A2
U5D
74LCX125MTC
GPO3
4 10
OE1 OE3
5 6 8 9
A1 O1 O3 A3
U5B
74LCX125MTC
U8
+1.8V
2
IN OUT
C46
100nF
+5V
L1
C4
22uH
47uF/25V
OPT2 in
C3
U1
100nF
3
2
1
R1
JSR1162-002
47R
+5V
L2
22uH
C7
47uF/25V
OPT1 in
U2
C6
100nF
3
2
1
R2 JSR1162-002
47R