Sharp PN-S655 (serv.man3) Service Manual ▷ View online
PN-S655
HARDWARE DESCRIPTIONS
6 – 2
* Because the Mac address is written, it is impossible of repair.
4. I/F2 PWB
The sound PWB is controlled.
4-1. INPUT AND OUTPUT SIGNAL
4-2. MAIN COMPLETE PARTS AND FUNCTION
5. I/F3 PWB
RS232C interface PWB
6. DCDC PWB
Convert the voltage from power unit. (19V
J
5V)
7. TEMPERATURE SENSOR PWB
Watches the temperature of the unit by the temperature sensor.
8. SWITCH PWB
Provided with the remote control light receiving section, the switch, and
the LED module.
the LED module.
IC1108 *1
BR24L08FV
8kbit EEPROM
(The set data are saved.)
(The set data are saved.)
IC1109
EMC1424
Temperature sensor control IC
SPECIFICATIONS
USE CONNECTOR
Audio
signal
signal
PC audio input terminal
φ
3.5 jack
AV audio input terminal
RCA
×
2
Audio output terminal
RCA
×
2
Speaker
output
output
Supporting 6
Ω speaker
Speaker terminal
REFERENCE
PARTS NAME
PARTS FUNCTION
IC1
MSP3440G
Sound processor
IC2
NJU26901
Digital audio type delay IC
IC3
YDA138
Audio amp
REFERENCE
PARTS NAME
PARTS FUNCTION
PN-S655
CIRCUIT DIAGRAM & PARTS LAYOUT
7 – 3
OPORT6
OPORT5
OPORT4
OPORT3
OPORT2
OPORT9
OPORT8
OPORT7
OPORT12
OPORT14
OPORT13
OPORT29
OPORT28
OPORT27
OPORT26
OPORT25
OPORT24
OPORT23
OPORT22
OPORT19
OPORT18
OPORT17
OPORT16
OPORT15
SI
N_+3.
3
V
SI
N_+1.
8
V
SI
N_+5V
SI
N_+5V
SI
N_+3.
3V
DI
G_CLK
2,
6
DI
G_DE
2,
6
DI
G_HS
2,
6
DI
G_VS
2,
6
TO_RST_9134
6
SI
I_
SCL
2,
8
SI
I_
SDA
2,
8
TX_I
NT
6
OPORT[
29:
0
]
2,
6
U_RST_9134
8
R303
100
R303
100
C323
0.
1u(
1005)
C323
0.
1u(
1005)
C316
1000p
C316
1000p
L301
BLM18PG221SN1D
L301
BLM18PG221SN1D
C306
10u/
16V(
B
)(
2012)
C306
10u/
16V(
B
)(
2012)
2
3
1
D308
BAV99
D308
BAV99
C301
1000p
C301
1000p
L303
BLM18PG221SN1D
L303
BLM18PG221SN1D
C317
0.
1u(
1005)
C317
0.
1u(
1005)
2
3
1
D307
BAV99
D307
BAV99
2
3
1
D306
BAV99
D306
BAV99
C315
1000p
C315
1000p
1
2
D304
RB070M-
3
0
D304
RB070M-
3
0
R310
1.
8k
R310
1.
8k
C324
10u/
16V(
B
)(
2012)
C324
10u/
16V(
B
)(
2012)
C312
1000p
C312
1000p
L306
BLM18PG221SN1D
L306
BLM18PG221SN1D
C311
1000p
C311
1000p
R309
NA
R309
NA
R316
10k
R316
10k
L304
BLM18PG221SN1D
L304
BLM18PG221SN1D
C326
10u/
16V(
B
)(
2012)
C326
10u/
16V(
B
)(
2012)
C319
0.
1u(
1
005)
C319
0.
1u(
1
005)
C305
0.
1u(
1005)
C305
0.
1u(
1005)
R305
47k
R305
47k
C308
10u/
16V(
B)
(2
012)
C308
10u/
16V(
B)
(2
012)
3
2
1
Q301
DTC114EUAT106
Q301
DTC114EUAT106
2
3
1
D309
BAV99
D309
BAV99
C321
1000p
C321
1000p
C318
10u/
16V(
B
)(
2012)
C318
10u/
16V(
B
)(
2012)
R314
33
R314
33
R308
NA
R308
NA
1
2
D301
HZU3.
3
B2
D301
HZU3.
3
B2
C304
1000p
C304
1000p
R306
4.
7k
R306
4.
7k
C313
1000p
C313
1000p
C303
1000p
C303
1000p
2
3
1
D313
BAV99
D313
BAV99
C314
1000p
C314
1000p
C307
0.
1u(
1005)
C307
0.
1u(
1005)
R304
4.
7k
R304
4.
7k
F301
11CT 1A
F301
11CT 1A
TX2-
1
TX2+
2
GN
D
3
TX4-
4
TX4+
5
DCL
K
6
DDAT
A
7
A V
8
TX1-
9
TX1+
10
GN
D
11
TX3-
12
TX3+
13
VDD
14
GN
D
15
HPDET
E
CT
16
TX0-
17
TX0+
18
GN
D
19
TX5-
20
TX5+
21
GN
D
22
TXC
+
23
TXC
-
24
CN301
74320-
4004
CN301
74320-
4004
C320
10u/
16V(
B
)(
2012)
C320
10u/
16V(
B
)(
2012)
L302
BLM18PG221SN1D
L302
BLM18PG221SN1D
2
3
1
D303
BAV99
D303
BAV99
R313
680(
D)
R313
680(
D)
HPD
51
TMO
DE
52
IOVCC33
53
GND
54
CVCC18
55
D35
56
D34
57
D33
58
D32
59
D31
60
D30
61
D29
62
D28
63
CVCC18
64
GND
65
IOVCC33
66
D27
67
D26
68
D25
69
D24
70
D23
71
D22
72
D21
73
D20
74
D19
75
CVCC1
8
76
D1
8
77
D1
7
78
D1
6
79
D1
5
80
D1
4
81
D1
3
82
D1
2
83
D1
1
84
D1
0
85
D9
86
GN
D
87
ID
C
K
88
IO
V
C
C
3
3
89
D8
90
D7
91
D6
92
D5
93
D4
94
D3
95
D2
96
D1
97
D0
98
CVCC1
8
99
GN
D
100
RESET#
25
INT
24
DL3
23
DR3
22
DL2
21
DR2
20
DL1
19
DR1
18
DL0
17
DR0
16
DCLK
15
IOVCC3
3
14
GND
13
CVCC18
12
SCK
11
WS
10
SD0
9
SD1
8
SD2
7
SD3
6
MCL
K
5
SPDIF
4
VSYNC
3
HSYNC
2
DE
1
CI
2
C
A
50
CSDA
49
CSCL
48
DSDA
47
DSCL
46
DDCPW
R
5
V
45
AVCC3
3
44
AG
ND
43
PVCC2
42
AG
ND
41
TX2+
40
TX2-
39
AVCC1
8
38
TX1+
37
TX1-
36
AG
ND
35
TX0+
34
TX0-
33
AVCC1
8
32
TXC
+
31
TXC
-
30
AG
ND
29
PVCC1
28
EXT_
SW
IN
G
27
AG
ND
26
IC
3
0
1
Si
I9
134CTU
IC
3
0
1
Si
I9
134CTU
R312
0
R312
0
R311
1.
8k
R311
1.
8k
3
2
1
Q302
NA(
D
TC114EUAT106)
Q302
NA(
D
TC114EUAT106)
C325
0.
1u(
1
005)
C325
0.
1u(
1
005)
R315
18(
D
)
R315
18(
D
)
C309
1000p
C309
1000p
2
3
1
D312
BAV99
D312
BAV99
L305
BLM18PG221SN1D
L305
BLM18PG221SN1D
C310
1000p
C310
1000p
2
3
1
D310
BAV99
D310
BAV99
C322
1000p
C322
1000p
2
3
1
D305
BAV99
D305
BAV99
R307
4.
7k
R307
4.
7k
2
3
1
D302
BAV99
D302
BAV99
2
3
1
D311
BAV99
D311
BAV99
C302
1000p
C302
1000p
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
3/14
D
VI OUTPUT
TX
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