Zoom g9.2tt - Page 30

1 2 3 4 5 6 78
A
B
C
D
8
7654321
D
C
B
A
256FS need GND guard pattern
X4
24.576MHz
R85
220
R83
1M
C78
15p
C77
15p
3 4
IC12B
SN74LVU04ANS
1 2
IC12A
SN74LVU04ANS
EMI
R76
0
EMI
1FS
64FS
R79
0
R80
0
C59
0.1u
+3.3VD
CLR
11
Q1
9
Q2
7
Q3
6
Q4
5
Q5
3
Q6
2
Q7
4
Q8
13
Q9
12
Q10
14
Q11
15
CK
10
Q12
1
VCC
16
GND
8
IC19
SN74LV4040ANS
64FS
1FS
EMI
+3.3VA
C610
0.1u
R615
10
+ C614
2.2u/50V
R614
100
/CODEC_PD
RIN
1
LIN
2
VSS
3
VA
4
VD
5
DEM0
6
DEM1
7
LRCK
10
MCLK
11
BCLK
12
PDN
13
VCOM
14
LOUT
15
ROUT
16
SDTO
8
SDTI
9
IC601
AK4552VT
/CODEC_PD
+C88
100u/6.3V
C55
0.1u
+3.3VA
+C87
10u/16V
C54
0.1u
R90
10
+C94
2.2u/50V
C50
0.1u
R92
100
/CODEC_PD
C49
0.1u
RIN
1
LIN
2
VSS
3
VA
4
VD
5
DEM0
6
DEM1
7
LRCK
10
MCLK
11
BCLK
12
PDN
13
VCOM
14
LOUT
15
ROUT
16
SDTO
8
SDTI
9
IC15
AK4552VT
/CODEC_PD
D_OUT
D_IN
D_SND
D_RTN
D_RTN
D_SND
D_OUT
D_IN
5
6
7
IC13B
NJM2100M
+3.3VA
R88
15k-F
C48 0.1u
R89
39k-F
R87
13k-F
R86
75k-F
3
2
1
4 8
IC13A
NJM2100M
+
C69
100u/6.3V
+
C85
10u/16V
+
C84
10u/16V
C101 33p
C83 100p
R5
10k
R6
10k
+ C100
47u/6.3V
+3.3VA
+
C90
10u/16V
+
C86
10u/16V
R56
1k
R55
1k C96
1000p
C97
1000p
+
C607
10u/16V
+
C602
10u/16V
R602
1k
C615
1000p
SEND-
SEND+
SEND+
SEND-
RETURN
DRY_IN
RETURN
DRY_IN
to ANALOG PCB
L_OUT
R_OUT
L_OUT
R_OUT
INPUT
INPUT
R186
47k
R613
47k
+
C603
10u/16V
+
C600
10u/16V
LOW_GAIN
HIGH_GAIN
to ANALOG PCB
/DIR_MUTE
/USB_MUTE
/A_MUTE
/A_MUTE
/DIR_MUTE
/USB_MUTE
RTN_DTC
+3.3VA
12
D600
1SS133
12
D603
1SS133
12
D602
1SS133
12
D601
1SS133
+3.3VA
+3.3VA
R612
47k
+ C605
100u/6.3V
+C604
10u/16V
C611
0.1u
C608
0.1u
C609
0.1u
R603
1k
C616
1000p
1
2
3
4
5
6
7
CN7A
2.0T-1-7A(2mmP)
/USB_SPND
/USB_SPND
1
2
3
4
5
6
7
8
9
10
CN603A
2.0T-1-10A(2mmP)
RTN_DTC
1
2
3
4
5
6
CN8A
2.0T-1-6A(2mmP)
11 10
IC12E
SN74LVU04ANS
5 6
IC12C
SN74LVU04ANS
9 8
IC12D
SN74LVU04ANS
+3.3VD
C47
0.1u
13 12
147
IC12F
SN74LVU04ANS
G9.2tt CIRCUIT DIAGRAM
MAIN PCB(PCB-0151) CODEC Circuit
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