Harman Kardon HK 990/230 Service Manual page 111

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CLK_24MHZ
Q1
INT_AK4683_5V
3
2SC2406
2
INT_AK4683
R52
+3.3V
4K7
R32
CDR_SEL
+5V
Q13
4K7
ANALOG_IN_L
2SC2406
2
3
NJU7313_SCK
REC OUT_L
R29
+3.3V
IN_L
4K7
Q4
2SC2406
3
2
INT1#
R58
+3.3V
+3.3V
4K7
+5V
Q6
2SC2406
3
2
+15VA
R60
2
3
I2C_SDA
+5V
4K7
SDA_5V
R62
Q5
+3.3V
2SC2406
4K7
SCL_5V
Q3
2SC2406
R56
2
3
I2C_SCL
+5V
4K7
R57
+3.3V
4K7
Q17
2SC2406
R47
2
3
NJU7313_CS
+5V
4K7
R34
+3.3V
4K7
Q14
2SC2406
R39
2
3
NJU7313_SDO
+5V
4K7
R33
+3.3V
4K7
ANALOG I/O
2
1
4
3
6
5
8
7
J4
2*4P2.0(180)
J6
2
1
4
3
6
5
ANALOG_IN_R
8
7
REC OUT_R
10
9
12
11
IN_R
14
13
INT1_5V#
16
15
18
17
20
19
22
21
24
23
26
25
-15VA
2*13P2.0(180)
PHONO
SRC_AESOUT
BITCLK_ADC
LRCLK_ADC
SDATA_ADC
SPDIF_REC
2
1
MUTE_OUT
4
3
TAPE_SEL
6
5
8
7
REC OUT_L
10
9
12
11
14
13
16
15
18
17
+5V
20
19
22
21
+VCC
24
23
J7
2*12P2.0(180)
K4A
6
4
8
JRC-27F/005-M(555)
IN_L
DIGITAL I/O
CLK_24MHZ
DAC_L
CDR_SEL
MUTE_LISTEN#
REC OUT_R
SUB_MUTE_OUT
CS_AD1955_1#
CS_WM8740#
INT2#
MC_MM#
+3.3V
-VSS
+5V
+15VA
K4B
11
13
9
JRC-27F/005-M(555)
IN_R
HEADPHONE_MICRO#
2
1
4
3
6
5
8
7
J5
2*4P2.0(180)
2
1
4
3
DAC_R
6
5
8
7
SDO
10
9
SCK
12
11
CS_AD1955_2#
14
13
TAPE_SEL
16
15
18
17
I2C_SCL
20
19
I2C_SDA
22
21
+3.3V
24
23
26
25
28
27
-15VA
J8
2*14P2.0(180)
FB7
J13
FB0805
5
C58
4
FB5
FB0805
10UF/16V
-15VA
3
FB6
+15VA
2
FB0805
1
FB0805
FB4
5P2.5
C42
100UF/16V
MICRO INPUT

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