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7-12. SCHEMATIC DIAGRAM – MAIN Board (2/4) –
(2/4)
D-GND
(Page 38)
CN004
17P
I2C_CLK
I2C_CLK
I2C_DATA
I2C_DATA
USB_ACK
USB_ACK
USB_INT
USB_INT
USB_VBUS_ON
USB_VBUS_ON
USB_ON
USB_ON
VM
D-GND
R607
0
V-IN
JR607
0
V-GND
(Page
D-GND
43)
A-GND
USB-L
USB-R
A-GND
AUX2-L
AUX2-R
C504
4.7
50V
C606
0.1
JK603
1P
VIDEO OUT
JK602
4P
R601
R603
4.7k
22k
L
AUX IN
R604
22k
R
R602
4.7k
L
R651
47k
AUX OUT
R
R652
47k
C694
0
R515
22k
R513
R516
22k
22k
D501
UDZSTE173.9B
R518
R517
C519
100
10V
R525
100
100
100
C518
100
10V
C503
4.7
C517
0.1
50V
AUX AUDIO SELECTOR
R514
22k
IC501
BU4052
Y0
VDD
Y2
X2
R524
0
COM Y
X1
C508
0.1
Y3
COM X
Y1
X0
INH
X3
C507
R509
0.1
10k
VEE
A
R510
10k
VSS
B
R512
22k
R521
R522
0
0
C501
C502
10
10
50V
50V
Q607
2SD1306NE
MUTING
R647
4.7k
R649
C615
0
0.001
R650
C614
JR616
R640
0
0.001
0
2.2M
R644
C610
R694
2.2k
4.7
2.7k
50V
Q602
R648
2SC3052F-T
4.7k
1-LF
R696
LINE AMP
100k
Q604
2SD1306NE
R642
R605
MUTING
1.2k
27k
C664
10
50V
R676
2.2k
R699
5.6k
R645
C643
2.2k
4.7
50V
C613
C663
R609
4.7
10
0
50V
50V
R692
100
R675
R615
2.2k
0
C611
R698
4.7
5.6k
50V
C665
R693
220p
100
A
R630
10k
B
C619
R523
0.047
0
INPUT SELECT/
ELECTRICAL
VOLUME
IC601
M61529 FP
C604
4.7
50V
JR624
C666
0
220p
TUNER-R
R616
0
R610
0
C692
4.7
50V
R670
100
C638
C603
C653
100
100
470p
25V
16V
(Page 41)
39
39
R671
100
C639
R695
R697
100
2.7k
100k
25V
R643
JR617
R606
1.2k
0
27k
R641
2.2M
Q605
C691
2SC3052F-T
4.7
1-LF
50V
C601
LINE AMP
10
50V
C617
R617
10
2.2k
50V
R625
10k
JR615
0
R621
15k
C655
270p
C661
220p
C624
C637
C626
1
10
0.047
50V
25V
R623 R624
2.2k
2.2k
C628
R628
0.0027
22k
C602
R622
10
15k
50V
R626
10k
R662
0
JR614
0
C618
R618
10
2.2k
50V
CX-BK2
A1
A2
A3
A5
A6
A7
(Page 40)
A8
A9
D611
1SS355
A10
R674
100k
C656
0.1
C657
100
16V
C662
220p
C654
270p
A11
Q608
2SA1235TP
INVERTER
R663
10k
C693
0.47
R664
50V
18k
REC-OUT-MUTE
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