HCD-GPX555/GPX888
HCD-GPX555/GPX888
48
48
6-25. SCHEMATIC DIAGRAM - USB Board -
1
A
B
C
D
E
F
G
H
I
J
K
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
USB BOARD
(CHASSIS)
(CHASSIS)
4.5
4.5
4.5
9
4.5
4.5
4.5
4.5
4.5
4
4
68p
C2308
0.1u
C2303
50V
0.1u
C2301
50V
2.2u
C2307
50V
0.1u
C2306
50V
10u
C2302
JL2301
JL2300
JL2302
JL2303
CL2312
CL2311
CL2313
CL2315
CL2314
CL2310
CL2309
CL2308
5P
CN2301
A +9V
5
MIC GND
4
MIC SIGNAL
3
MIC DET
1
DA2J10100L
D2300
S
RHK005N03T146
Q2301
LSAR523UBFS8TL
Q2300
MIC DETECT
MIC DETECT
100
R2306
3.3k
R2304
470
R2302
220k
R2303
10k
R2307
1M
R2300
100k
R2305
1M
R2301
0.1u
C2300
0.1u
R2310
C2339
0.01u
C2341
10u
C2340
10u
C2342
10u
6.3V
100u
C2310
CL2304
CL2300
CL2302
CL2306
CL2318
CN2300
4P
7P
CN2303
1
USB B +5V
3
NC
4
NC
5
D- B
7
USB B GND
6
D+ B
BAV99-215
D2310
BAV99-215
D2312
DZ2J068M0L
D2302
DZ2J068M0L
D2305
DZ2J068M0L
D2308
0
R2313
0
R2314
0.1u
C2319
10u
C2343
C2323
0.01u
6.3V
100u
C2312
CL2303
CL2307
CL2305
CL2301
CL2319
CN2304
4P
6P
CN2302
1
USB B +5V
3
NC
4
D- A
6
USB A GND
5
D+ A
BAV99-215
D2311
BAV99-215
D2313
DZ2J068M0L
D2301
DZ2J068M0L
D2304
DZ2J068M0L
D2309
0
R2315
0
R2316
J2300
MIC
MIC AMP
IC2300
>002S
MB BOARD (1/9)
CN601
(Page 30)
>026S
MB BOARD (5/9)
CN451
(Page 34)
>025S
MB BOARD (5/9)
CN451
(Page 34)
10V
220u
C2309
10V
220u
C2328
220p
C2329
0.001u
C2337
0.001u
C2332
0.1u
C2338
0.1u
C2322
0.001u
C2336
0.1u
C2327
0.1u
C2326
680p
C2316
220p
C2315
0.001u
C2330
50V
2.2u
C2333
50V
0.1u
C2314
50V
2.2u
C2335
50V
2.2u
C2331
CL2322
CL2324
CL2331
CL2320
CL2321
CL2317
CL2330
CL2323
CL2327
CL2328
CL2316
CL2325
CL2329
CL2326
CL2334
D2317
BAV99-215
10k
R2323
1k
R2321
10k
R2312
10k
R2317
1k
R2322
33k
R2320
33k
R2319
100k
R2308
100k
R2309
10k
R2318
RV2300
50k
BA4558F-E2
IC2300
OUT1
1
-IN1
2
+IN1
3
VEE
4
+IN2
5
-IN2
6
OUT2
7
VCC
8
W2300
PLAY
5V
500mA
A
REC/PLAY
5V
500mA
B
MIC LEVEL
MIN MAX
GPX888
GPX555
GPX555
GPX555
GPX555