Sony LDP-1500P Service Manual page 70

RS-21 (RS-232C INTERFACE)
RS-21
-SOLDERING SIDE-
1-s1a-a35-11
LOP-1500P
PS-113 (POWER SUPPLY), DUS-130 (CHUCK SENSOR)
_J
CN2 C-7 IC1 A-9
CN3 C-7 IC2
B-9
CN4
C-8
CN5 C-8
01 B-11
A
CN6 C-11
02 C-7
CN7 A-11
03 C-11
CN10 8-1 04
B-11
05
A-11
D1 A-5 06 A-8
D2 8-5 07 B-8
D3 C-5
D4 A-7 RV1 A-10
B
05 8-8
D6 B-8 TP1 8-11
D7 8-8 TP2 8-11
D9 A-8 TP5 8-11
D10
A-8 TP6 A-11
D11 A-8 TP7 A-7
C
D13
A-10 TP8 C-11
014 A-8 TP9 C-11
5-47
RS-21, PS-113, DUS-130
RS-21, PS-113, DUS-130
IC41 SN75188Nrr---------.=.;:.c;....;:~=------...-J.:. :
IC42 SN75189AN IC43 TC4024BP
DATA TRANSCEIVER CLOCK DIVIDER
RS232C CN41
NC
©
TXD
I Q
©
14 RXD
© ©
1---=RT"'--S - ~
©©
CTS
©©
DSR
©©
GND
©©
NC
©©
NC
©©
©©
©©
NC 19
©©
DTR 201----+----+--<
© ©
25
t-----=----"---tc..c.;
13
©
,___N
1
_c --+--<21
j
RS-21 BOARD_-----
2
3 4
·j
~
FI
M
T2
l _______
__r i...---,.-----,
I
I
I
!
l I
I
I
I l
I
I
l
I
I
I
I
l
I
I
I
I
L _______
I
L_ _ _ _ _ _ _ _ _ _ _
J
I
t
I
t
l
l
I
I
l
l ___ .J
RI
33k
C41 C42
0.01 0.01
CN42
' - - - 1 - - - - i l - - l - - - l
I CLOCK IN
REG +5V
'-------+-+-----e------4----11-"4+-C-LO=~:=Ro_uT---l
ss- 32
1-'--l----"'-RX;.::..D_~ CN3
TXD
7
8
9
10
5-48
m
fassJ
031
DUS-130
-SOLDERING SIDE-
1-s1a-a41-11
LDP-1500P
II
m
CN7
(}
0
0
0
I)
I)
0
0
I)
0
CN6
PS-113
-SOLDERING S1DE-
1-s1a-a34-1t
LDP-1500P