Sharp PC-AX40, Руководство по обслуживанию

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5
4
3
2
1
A B C D
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2
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4
5
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8
D C B A
16
/25
DEV
ICE
_DE
CT#
(P
IN5)
DEC
T_H
P#/O
PT
REM
AR
K
IF S
PK_
OF
F=L
O
W
DEC
T H
P#/
OPT
DEV
ICE
_DE
CT#
HP
OP
T IN
0
1 1
00
0
1
1
LO
W
L
O
W
BTL
/SE
MO
DE
X X X
*
*
DEVICE_DECT#
DECT_HP#/O
PT
DEVICE_DECT#
SPK_OFF
HP_SENSE
SPK_OFF
DECT_HP#/O
PT
DECT_HP#/O
PT
HP_SENSE
SPEAKER-
SPIDFOUT
15
A
OUT_R
15
A
OUT_L
15
SPK_OFF
5
CA
GND
A
GND
+5V
+3V
+3V
A
GND
A
GND
A
GND
CA
GND
CA
GND
A
GND
+5V_AMP
A
GND
+5V_AMP
A
GND
+5V_AMP
+5V_AMP
A
GND
A
GND
A
GND
A
GND
A
GND
+5V
+5V_AMP
A
GND
GND
A
GND
+5V_AMP
+5V_AMP
GND
+5V_AMP
GND
R220
10K
0603
1
2
C237
0.33U
16V
0603
1
2
C243
0.33U
16V
0603
1
2
C632 10P/NA 0603
1 2
R609 0 0603 0603B_DFS
1 2
L520
600Z/100M
1608
1
2
R225 100K 0603
1 2
R1
Q504 DTC144TKA
2
1 3
R622 47K 0603
1 2
L519
600Z/100M
1608
1
2
R211 22K 0603
1 2
R221
20K 0603
1 2
R231 10K 0603
1 2
R617 10K 0603
1 2
R232 4.7K 0603
1 2
L36
600Z/100M
1608
1
2
L514
600Z/100M
1608
1
2
+
C634 150U 4V 7343 20%
1 2
+
C582
100U
16V
E
W
6
.3
1
2
+
C570
100U
16V
E
W
6
.3
1
2
C244 0.1U 50V 0603
1 2
L35
600Z/100M/NA
CORE_A
CM25
20U
1 4
2 3
JO510 SP
ARKGAP_6
1 2
JO509
SP
ARKGAP_6
1 2
C223
0.1U
50V
0603
1 2
C238
0.1U 50V
0603
1 2
LED
J10 GP1F562T
5 4 2 3 1 8 7 9
6 10
U516 LP2975 SSOP8
1 2 3 4
5 6 7 8
ON/OFF FEEDBA
CK
COMP GR
OUDN
GA
TE
N/C
CURR_LIM
INPUT
C576 0.1U 50V 0603
1 2
JS504 OPEN-SMT4
1 2
C231 0.1U 50V 0603
1 2
C560 0.1U 50V 0603
1 2
C236 0.1U 50V 0603
1 2
Q34
DT
A144WK
1
2
3
R591 100K 0603
1 2
R590 1K 0603 1%
1 2
C559
3300P
0603
10%
1 2
R1
Q35 DT
A144TKA
SO
T23AN_1
2
1
3
R667 2.74K 0603
1%
1
2
R596 2.74K 0603 1%
1 2
C602 0.1U 50V 0603
1 2
J9
DF13-2P-1.25
H
1 2 3 4
1 2 GND1 GND2
L515
600Z/100M
1608
1
2
L516
600Z/100M
1608
1
2
U24
LM4834
SSOP28A
2
19 22
27 28 4 5
7 8 9
10 12 13 14
15 16 17
20 21
24 25
1
18 23
3 6 11 26
SPEAKER_OU
T+
RIGHT_IN DC V
O
I
SPEAKER_OU
T
-
MONO-AMP_I
N
LEFT
-SUM_OU
T
LINE-HP_LEFT
MIC_OUT MIC_IN- LEFT_IN BYP
ASS
SHUTDO
WN
MONO_IN
MUTE
HP_SENSE
MODE
EXTERNAL-BIAS
_IN
MIC_SUPPL
Y
LINE-HP_RIG
HT
RIGHT_SUM_
OUT
GND0 GND1 GND2
VDD0 VDD1 VDD2 VDD3
JS503
SHOR
T
-SMT4
1
2
G
D
S
U518 SI9430D
Y
SO8
8
7
6
5
1
3
2
4
L32
600Z/100M
1608
1
2
R205
20K
0603
1
2
R216
20K
0603
1
2
VR501
10K
1
2
3
5
6
7 8
9
10
L33 600Z/100M
1608
1
2
C254 10P/NA 0603
1 2
C253 10P/NA 0603
1 2
C224 10U 10V 1210
1 2
C248 10U 10V 1210
1 2
L518
600Z/100M/NA
1608
1 2
C587
10P/NA
0603
1 2
C594 10P/NA 0603
1 2
L34 600Z/100M 1608
1 2
A
UDIO AMP
LIFIER
Dr
iv
e
IC
0 0
1 1
0 1 0 1
HEA
DPH
ON
E IN
OP
TIC
AL I
N
NO
CO
ND
ITIO
N
NO
DE
VIC
E
IF S
PK=
HI
GH,
AM
P A
L
W
A
YS
MU
TE
HP_
SEN
SE
ST
A
TUS
BTL
HIG
H
SE
SE
SPE
AK
ER
*Cha
nge
following
v
a
lues
from
PV
T sa
mp
le
.
R22
1 ch
ange
from
39K
-oh
m to
20K
-oh
m.
R21
1 ch
ange
from
39K
-oh
m to
22K
-oh
m.