Zoom g9.2tt - Page 34

1 2 3 4 5 6 78
A
B
C
D
8
7654321
D
C
B
A
C253
0.1u
5
6
7
IC206B
NJM2100M
R286
22k
R278
22k
3
2
1
4 8
IC206A
NJM2100M
C255
0.1u
R281
1k
R291
1k
C277
3300p
C278
3300p
+3.3VUSB
R279
22k
R287
22k
5
6
7
IC207B
NJM2100M
R292
12k
R282
12k
3
2
1
4 8
IC207A
NJM2100M
C262
0.1u
+3.3VUSB
R284
12k
R294
12k
+
C268
47u/16V
VCOM
R289 22
R288 22
C275
18p
C274
18p
R290
1M
X200
12MHz
SSPND
28
VDDI
27
DGND
26
TEST1
25
TEST0
24
VCCXI
23
AGNDX
22
XTI
21
XTO
20
VCCP2I
19
AGNDP
18
VCCP1I
17
VOURL
16
VOUTR
15
D+
1
D-
2
VBUS
3
DGNDU
4
HID0
5
HID1
6
HID2
7
SEL0
8
SEL1
9
VCCCI
10
AGNDC
11
VINL
12
VINR
13
VCOM
14
IC210
PCM2904DBR
R280
1.5k
+3.3VUSB
C267
1u
C269
0.1u
C272
1u
C270
1u
C273
1u
C271
1u
VCC
1
D-
2
D+
3
GND
4
FGFG
J205
57112201-2110000
FGND FGND
USB D+ USB D-
+
C266
10u/16V
VCOM
VCOM
C281
330p
C261
330p
R285
1k
R295
1k
+
C263
10u/16V
+
C282
10u/16V
R283
3.9k
C279
1500p
C280
1500p
R293
3.9k
+
C256
open-c
+
C265
open-c
+
C260
open-c
+
C276
open-c
+
C264
10u/16V
+
C254
10u/16V
USB_INL
USB_INR
USB_OUTL
USB_OUTR
C257
0.1u
C258
0.1u
+ C259
10u/16V
+3.3VUSB
Vout
5
GND
2
CE
3
NC
4
Vin
1
IC211
XC6213B332MR
USB_VBUS
/USB_SPND
/USB_SPND
FGND
R200
open
R350
open-r
R357
open-r
G9.2ttCIRCUITDIAGRAM
ANALOGPCB(PCB‑0165)USBCircuit
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