Table of Contents
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Circuit Diagrams and PWB Layouts
SSB: M2B Audio
1
B07
M2B Audio
FB604
FB604
120 OHM
120 OHM
FB605
FB605
120 OHM
120 OHM
R600
R600
C600
C600
SIF1+
1
2
3
SIF+
0 OHM 1/16W
0 OHM 1/16W
SIF1-
1
2
3
SIF-
R601
R601
C601
C601
NC
NC
4
VGA_AUR
4
VGA_AUL
5
AU2_R
GND
GND
5
AU2_L
5
AU1_R
A
5
AU1_L
TUN_AUD
C607
C607
MONO_AUD
3
TUN_AUD
330NF16V
330NF16V
3
RF_AGC
3
IF_AGC
CN407
CN407
SPDIF_IN
2
C665
C665
1
L602
L602
SP144
SP144
NC
NC
0 OHM 1/10W
0 OHM 1/10W
NC
NC
NC
NC
VREF_ADC
VCM_ADC
AGSCRT
VBG
VRN
VRP
C619
C619
C620
C620
C621
C621
C622
C622
C623
C623
C624
C624
C625
C625
C626
C626
C627
C627
C628
C628
C629
C629
C630
C630
VCC_CLAMP
GND
GND
VCC8
FB600
FB600
1
2
300 OHM
300 OHM
B
RP600
RP600
GND
RP601
RP601
10KOHM +-5% 1/16W
10KOHM +-5% 1/16W
10KOHM +-5% 1/16W
10KOHM +-5% 1/16W
U600
U600
12
16
4
COM1_AUL
1Y0
VCC
1
7
4
COM1_AUR
2Y0
VEE
8
GND
14
4
COM2_AUL
1Y1
C633
C633
5
13
GND
4
COM2_AUR
1Z
2Y1
3
C634
C634
2Z
MONO_AUD
15
1Y2
MONO_AUD
R608 change the product code to "G"
R608 change the product code to "G"
2
10
2Y2
S0
9
R609 100 OHM 1/16W
R609 100 OHM 1/16W
10
USB_AUL
S1
11
1Y3
4
6
10
USB_AUR
2Y3
/E
74HC4052D
74HC4052D
RP602
RP602
RP603
RP603
GND
10KOHM +-5% 1/16W
10KOHM +-5% 1/16W
10KOHM +-5% 1/16W
10KOHM +-5% 1/16W
C
VCC_CLAMP
GND
VCC5
1
CP+
GND
C647
C647
2
PGND
1UF25V
1UF25V
3
CP-
4
NC
C648
C648
1UF25V
1UF25V
C650
C650
+
+
C651
C651
D
10uF/16V
10uF/16V
0.1uF 50V
0.1uF 50V
GND
8
EAR_DET
1
TPH1.1A LA
10.
2
AVDD_ADC
V33AUD
U400B
U400B
R785 10K 1/10W
R785 10K 1/10W
SIF1-
R786 10K 1/10W
R786 10K 1/10W
96
88
ADCINN
DAC_LSR
SIF1+
C682
C682
97
89
ADCINP
DAC_LSL
10nF
10nF
66
85
RAIN0
SCART1R
67
86
LAIN0
SCART1L
69
83
SCR_AUOUT_R2
RAIN1
SCART2R
SCR_AUOUT_L2
GND
70
84
LAIN1
SCART2L
71
RAIN2
72
AUDIO
AUDIO
LAIN2
MUX_AUR
73
RAIN3
MUX_AUL
74
LAIN3
SPDIF_IN
SPDIFO
109
219
GPIO02/I2SREFCLK/SPDIFI
GPIO40/SPDIFO
110
GPIO03/I2SCLKO/I2SCLKI
111
GPIO04/I2SWSO/I2SWSI
91
VREFI
PIF_VREF
VREF_ADC
VCMI
76
92
VREF_ADC
SIF_VCMG
VCM_ADC
VRNI
77
93
VCM
SIF_VREFN
AGSCRT
78
94
VRPI
AGSCRT
SIF_VREFP
VBG
79
VBG
VRN
80
C609
C609
C610
C610
C611
C611
C612
C612
VRN
VRP
81
VRP
HX6202A
HX6202A
GND
GND
SCR_AUOUT_R2
R787
R787
SCR_AUOUT_L2
R788
R788
VCC_CLAMP
INPUT
OUTPUT
C631
C631
C632
C632
0.1uF 50V
0.1uF 50V
EN
S0
S1
GND
GND
4.7uF/16V
4.7uF/16V
MUX_AUL
0
0
0
COM1
4.7uF/16V
4.7uF/16V
MUX_AUR
0
0
1
COM2
AU_S0
AU_S0 9
0
1
0
MONO
AU_S1
AU_S1 9
0
1
1
USB
8
STYAMP_MUT
5VSB
VCC5
R616
R616
GND
R619
R619
8
MUTE_HPHONE
Q602
Q602
C655
C655
PMBS3904
PMBS3904
0.1uF 50V
0.1uF 50V
10K OHM 1/16W
10K OHM 1/16W
U601
U601
GND
GND
HP_OUT_R
12
RIN
C653
C653
1UF25V
1UF25V
11
/RSD
C656
C656
HP_OUT_L
10
LIN
1UF25V
1UF25V
9
ROUT
APA2176A
APA2176A
PHONEJACK
PHONEJACK
5
4
3
8
AMP_MUT
2
6
7
1
CN600
CN600
R621
R621
SPGND
5.1K
5.1K
GND
C664
C664
NC
NC
GND
SPGND
GND
2
EN 59
3
V33_AUD
FB601
FB601
1K 1/10W 5%
1K 1/10W 5%
1
300 OHM
300 OHM
R783
R783
SW_AMP_RIN
C602
C602
R795 0OHM 1/10W 5%
R795 0OHM 1/10W 5%
R781
R781
HP_OUT_R
R796 0OHM 1/10W 5%
R796 0OHM 1/10W 5%
C687
C687
R784
R784
SW_AMP_LIN
NC 10nF
NC 10nF
C683
C683
C686
C686
R782
R782
HP_OUT_L
GND
10nF
10nF
NC 10nF
NC 10nF
1K 1/10W 5%
1K 1/10W 5%
GND
C613
C613
C614
C614
C615
C615
C616
C616
R797 0OHM 1/10W 5%
R797 0OHM 1/10W 5%
R798 0OHM 1/10W 5%
R798 0OHM 1/10W 5%
SCR_AUOUT_R 5
C684
C684
C689
C689
SCR_AUOUT_L 5
10nF
10nF
NC 10nF
NC 10nF
C685
C685
C688
C688
10nF
10nF
NC 10nF
NC 10nF
GND
ZD600
ZD600
RLZ18B
RLZ18B
MUTE5V
SH600
SH600
SH601
SH601
R610
R610
SH602
SH602
C637
C637
GND
0.1UF16V
0.1UF16V
R611
R611
47K OHM 1/16W
47K OHM 1/16W
SGND
STBY
R612
R612
Q601
Q601
1K OHM 1/10W
1K OHM 1/10W
PMBS3904
PMBS3904
C639
C639
SGND
SGND
SGND
SW_AMP_LIN
C643
C643
1UF25V
1UF25V
R614
R614
12KOHM 1/10W
12KOHM 1/10W
C644
C644
PGND
R615
R615
33K OHM 1/10W
33K OHM 1/10W
C645
C645
AMP5VO
SGND
PGND
SGND
C649
C649
C652
C652
1UF25V
1UF25V
PGND
SW_AMP_RIN
C654
C654
SGND
MUTE5V
R618
R618
12KOHM 1/10W
12KOHM 1/10W
PGND
270K 1/10W 5%
270K 1/10W 5%
R622
R622
Q603
Q603
PMBS3904
PMBS3904
R639
R639
SGND
5VSB
10K OHM 1/10W
10K OHM 1/10W
R638
R638
10K OHM 1/10W
10K OHM 1/10W
1
PMBS3906
PMBS3906
Q413
Q413
R637
R637
10K OHM 1/10W
10K OHM 1/10W
+
+
C672
C672
100uF/16V
100uF/16V
SGND
3
2009-Dec-18
4
V33AUD
2
C604
C604
C603
C603
GND
VCC3
FB603
FB603
AVDD_ADC
1
2
300 OHM
300 OHM
C605
C605
C666
C666
C606
C606
10uF/16V
10uF/16V
GND
V24_ADP
C635
C635
C636
C636
+
+
0.1uF 50V
0.1uF 50V
470UF35V
470UF35V
SGND
SGND
SGND
L600
L600
C640
C640
C638
C638
22uH +-25%
22uH +-25%
470UF25V
470UF25V
R613
R613
SGND
0.1uF 50V
0.1uF 50V
C641
C641
NC
NC
0.1uF 50V
0.1uF 50V
C642
C642
0.33uF/50V
0.33uF/50V
U603
U603
SGND
13
48
CBIAS
NC
14
47
ROSC
VS1
15
46
AVCC
VS1
16
45
GND
NC
17
44
NC
HB1
18
43
SGND
NC
NC
C646
C646
SGND
19
42
NC
DVDD
SGND
20
41
NC
HB2
21
40
NC
NC
22
39
CLOCK
VS2
23
38
VREF
VS2
24
37
PROT
NC
SGND
R2A15112FP
R2A15112FP
R617
R617
NC
NC
C657
C657
C658
C658
C659
C659
C660
C660
470UF25V
470UF25V
L601
L601
22uH +-25%
22uH +-25%
SGND
SGND
V24_ADP
R799
R799
C661
C661
0.1uF 50V
0.1uF 50V
SGND
4
5
B07
C600 A1 CN407 A1
C601 A1 CN600 D2
C602 A4 CN601 B4
C603 A4 CN602 C5
C604 A4 FB600 B1
C605 A4 FB601 A4
C606 A4 FB602 A4
A
C607 A1 FB603 A4
C608 A4 FB604 A1
C609 A2 FB605 A1
C610 A2 L600
C4
C611 A3 L601
D4
C612 A3 L602
A1
C613 A3 Q413 D3
C614 A3 Q600 A4
C615 A3 Q601 C3
C616 A3 Q602 C2
C617 A4 Q603 D3
C618 B4 R600 A1
C619 B1 R601 A1
C620 B1 R602 A4
C621 B1 R603 A4
C622 B1 R604 A3
C623 B1 R605 B4
C624 B1 R606 B4
C625 B1 R607 B4
C626 B1 R608 C1
B
C627 B1 R609 C1
C628 B1 R610 C3
C629 B1 R611 C3
C630 B1 R612 C3
C631 B2 R613 C4
C632 B2 R614 C3
C633 B2 R615 C4
C634 B2 R616 C2
C635 B4 R617 D4
C636 B4 R618 D3
C637 C3 R619 C2
C638 C4 R620 D3
C639 C3 R621 D2
C640 C5 R622 D3
C641 C4 R624 C2
C642 C4 R625 C2
C643 C4 R637 D3
C644 C4 R638 D3
C645 C4 R639 D3
C646 C4 R781 A3
C647 D1 R782 A3
C
CN602
CN602
C648 D1 R783 A3
C649 C4 R784 A3
4
3
C650 D1 R785 A2
2
1
C651 D1 R786 A2
C652 C4 R787 B3
SGND
C653 C2 R788 B3
CONN
CONN
C654 C4 R795 A3
C655 C2 R796
A3
C656 D2 R797 B3
C657 D4 R798 B3
C658 D4 R799 D4
C659 D4 RP600 B1
C660 D5 RP601 B1
C661 D4 RP602 C1
C662 D2 RP603 C1
C663 D2 SH600 B4
C664 D2 SH601 B4
C665 A1 SH602 B4
C666 A4 SP144 A1
C672 D3 SP600 B4
D
C682 A3 SP601 D2
C683 A3 SP602 D2
C684 B3 SP603 D2
C685 B3 U400 A2
C686 A3 U600 B1
C687 A3 U601 C1
C688 B3 U603 C4
C689 B3 ZD600 B3
5
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