Read Sharp UP-X300 (serv.man45) Service Manual online
UP-X300V
CIRCUIT DIAGRAM & PWB LAYOUT
5 – 22
PC_BEEP
VCC3
AGND_SOUND
VCC_ASOUND
VCC
AGND_SOUND
AGND_SOUND
AGND_SOUND
AGND_SOUND
VCC3
AGND_SOUND
AGND_SOUND
AGND_SOUND
VCC
AGND_SOUND
VCC
VCC
VCC3
BEEP_OFF#
1
8
PCIRST#
10,15,16,25,28
PWROK-PCIRST#
15
PC_BEEP
18
SouthBridge
(10/10)
CLOCK
VCC3
Sound
I/F
AC97
codec
SpeakerCN
Amp
SouthBridge
RESET
Beep
I/F
SW3
RK09J11T0A10
2
1
1
3
4
C483
10UF(3216)
2
1
C482
0.1UF
2
1
C484
0.1UF
2
1
C485
0.1UF
2
1
C469
1UF(2125)
2
1
C476
0.1UF
2
1
C471
22PF
2
1
C468
22PF
2
1
X3
24.576MHz(DSX840GA)
C481
0.1UF
2
1
R494
10(3216)
1
2
C480
10UF(3216)
2
1
IC35
TPA0211
VOUT1
5
IN
1
VOUT2
8
VDD
3
SE/BTL#
6
GND
7
BYPASS
4
SHTDN#
2
IC5I
VT8235_South_Bridge
ACBITCLK
T3
ACSDIN0
T2
ACSDIN1
U3
ACSYNC
T1
ACSDO
U1
ACRST
R3
C474
1UF(2125)
2
1
C486
270PF
2
1
C487
270PF
2
1
C489
10UF(3216)
2
1
Q28
2SD1623
B
E
C
C488
0.1UF
2
1
IC106A
74LVA04(TSSOP)
1
2
14
7
FB49
ACB1608L-030
F
1
B
2
R236
43K
1
2
R235
100K
1
2
C477
10UF(3216)
2
1
Q27
DTC124XUA
B
E
C
Q16
DTC124XUA
B
E
C
R222
22
1
2
R224
22
1
2
R429
22
1
2
R225
22
1
2
R430
22
1
2
FB48
ACB1608L-030
F
1
B
2
R233
20K
1
2
C478
0.1UF
2
1
R227
10K
1
2
C479
10UF(3216)
2
1
R232
20K
1
2
C472
0.1UF
2
1
R495
10(3216)
1
2
R334
4.7K
1
2
C698
10PF
2
1
R234
68K
1
2
C470
1UF(2125)
2
1
IC34
VT1612A
DVDD1
1
XTL_IN
2
XTL_OUT
3
DVSS1
4
SDATA_OUT
5
BIT_CLK
6
DVSS2
7
SDATA_IN
8
DVDD2
9
SYNC
10
RESET
11
PC_BEEP
12
PHONE_IN
13
AUX_L
14
AUX_R
15
VIDEO_L
16
VIDEO_R
17
CD_L
18
CD_GND
19
CD_R
20
MIC1
21
MIC2
22
LINE_IN_L
23
LINE_IN_R
24
AVDD1
25
AVSS1
26
VREF
27
VREFOUT
28
AFILT1
29
AFILT2
30
NC
31
CAP2
32
NC
33
NC
34
LINE_OUT_L
35
LINE_OUT_R
36
MONO_OUT
37
AVDD2
38
LNLVL_OUTL
39
LNLVL_OUTR
41
NC
40
AVSS2
42
NC
43
HPP
44
ID0
45
ID1
46
EAPD
47
SPDIF_OUT
48
L7
100UH(NLC453232T-101K)
1
2
C473
1UF(2125)
2
1
C475
0.1UF
2
1
IC116B
74LVA08(TSSOP)
4
5
6
14
7
CN36
53047-0210
SPEAKER1
1
SPEAKER2
2
VCC3
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
22/33
South Sound I/F
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