Read Sharp PN-S655 (serv.man3) Service Manual online
PN-S655
BLOCK DIAGRAM
4 – 6
CN4
SPEAKER OUTPUT
[TEMPERATURE SENSOR PWB 1]
CN201
[I/F PWB3]
CN101, 102
CN104
SERIAL CONTROL
[KEY PWB]
CN101
LCD CONTROL IR LIGHT
RECEIVE
RECEIVE
[DC DC PWB]
CN201
19V INPUT
CN203
I/F POWER (5V OUTPUT)
Pin No.
Symbol
Function
1
OUT L
+
Speaker output
2
OUT L
−
3
OUT R
+
4
OUT R
−
Pin No.
Symbol
Function
1
-
Differential signal
2
-
3
-
Differential signal
4
-
Pin No.
Symbol
Function
A1
-
A2
-
RXD
A3
-
TXD
A4
-
A5
-
A6
-
A7
-
A8
-
A9
-
B1
-
B2
-
RXD
B3
-
TXD
B4
-
B5
-
B6
-
B7
-
B8
-
B9
-
Pin No.
Symbol
Function
1
-
GND
2
-
TXD
3
-
RXD
4
-
TXD
5
-
RXD
6
-
GND
7
-
8
-
9
-
10
-
11
-
12
-
13
-
14
-
15
-
16
-
17
-
18
-
19
-
20
-
21
-
22
-
23
-
24
-
Pin No.
Symbol
Function
1
-
Power supply
2
-
IR light receive
3
-
GND
4
-
Input switch KEY
5
-
Power supply KEY
6
-
7
-
LED green control
8
-
LED red control
9
-
10
-
11
-
12
-
Pin No.
Symbol
Function
1
-
19V input
2
-
3
-
4
-
GND
5
-
Pin No.
Symbol
Function
1
-
5V output
2
-
3
-
GND
4
-
5
-
6
-
7
-
5V output
8
-
9
-
10
-
GND
11
-
12
-
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