Extension Board: Rs232 - Philips QCG1.0S Service Manual

Circuit Diagrams and PWB Layouts

Extension Board: RS232

5
J4
TEKCON_1297_000_410_52_18P
G4 G2
14 5 Near to J2
18 9
13 4
17 8
12 3
D
16 7
11 2
15 6
10 1
G3 G1
MCUVCC +5VS
L62
121A4/8
C
+5VS
+5VS 1,2,3,4,9,10,11
J5
RXD_OUT RXD_OUT
1
TXD_OUT
2
3
RXD_INCAT
4
TXD_INCAT
5
6
7
SDA_SUB 4,5,9,10,11
8
SCL_SUB 4,5,9,10,11
9
STBY 4
10
SYS_POWERON 4,9,11
11
12
B +5VS
C229
4500-E12N
+
10uF/50V
A
5
QCG1.0S LA 10. EN 64
4
L58 0R/6 R405 33R/6 R X D _ O U T
L59 0R/6 R406 33R/6 TXD_OUT
L60 0R/6 R407 33R/6 RXD_IN
L61 0R/6 R408 33R/6 TXD_IN
C225
0.1uF/6
TX1 R413 100R/6
7 6
1A 1B1
RX1 R415 0R/6
9 5
2A 1B2
4
1B3
R418 100R/6
14 3
S0 1B4
R420 100R/6
2
S1
10
2B1
R422 0R/6
1 11
1OE 2B2
R424 0R/6
15 12
2OE 2B3
13
2B4
U30
PI5C3253
R430 100R/6
1 2
R431 100R/6
1 2
C230 U31
0.1uF/6
PI5C3253
TX2
R432 100R/6
7 6
1A 1B1
RX2 R434 0R/6
9 5
2A 1B2
4
1B3
R437 100R/6
14 3
S0 1B4
R439 100R/6
2
S1
10
2B1
R441 0R/6
1 11
1OE 2B2
R443 0R/6
15 12
2OE 2B3
13
2B4
4
2009-Feb-20
3 2
TXD_INCAT
U29
SP3243
R X D _ O U T
9 14
T1OUT T1IN
TXD_IN
10 13
T2OUT T2IN
TXD_INCAT1 R565
11 12
T3OUT T3IN
33R/6/NC
TX2 TXD_OUT
19 4
R1OUT R1IN
RX1
18 5
R2OUT R2IN
R566
17 6
R3OUT R3IN
33R/6/NC
16 7
R4OUT R4IN
15 8
R5OUT R5IN
0.47uF/6
C221
20 28
R2OUTB C1+
RXD_INCAT
24
C1-
C222
21 1
INVALID C2+
2
C2-
C223
27
V+
C224
3
V-
23
FORCEON
MCUVCC
22
FORCEOFF
L63
26
VCC
121A4/8
C226
+
10uF/50V
R414 100R/6
R416 100R/6
R417 100R/6
R419 100R/6
RXD_INCAT1
R421 100R/6
R423 100R/6 TXD_INCAT1
R425 22K/6
R426 100R/6
R427 NC R428 0R/6
R429 0R/6
R433 100R/6/NC
R435 100R/6
R436 100R/6
R438 22K/6
R440 100R/6
R442 100R/6
R444 100R/6
R445 22K/6
TechView International Technology Inc.
No.361,5F.,Fu-Sing 1 Rd.,Gueishan Hsiang, Taoyuan, Taiwan
Title :
SCH File Name :
P C B
Approval:
D t a : e
3 2
1
Control
IN-terminal OUT-terminal
Pins
MODE
S1 S0 RXD TXD RXD TXD
L L
0
Enable Enable Enable
RX2
TX1
L H
1
Enable Disable Enable Enable
L 2
H Enable
RXD_IN Enable Enable
RXD_INCAT1
NA
H X X X
H
0.1uF/6
0.47uF/6
0.47uF/6
R409 100R/6 MCUVCC
R410 100R/6 L64
121A4/8
C227
C228
+
0.1uF/6
10uF/50V
R567 0R/6/NC
R568 0R/6/NC
RX 4
TX 4
RS232_S1 9
RS232_S0 9
Tel :+886-3-3287088
Fax:+886-3-3288066
10.RS232 Document Number: <Doc>
Standard Circuit Design R ev: B2A
i F e l N a m e : <PCB Name> P C B R e : v
Check: Draw:
Friday, January 09, 2009 S h e t e 8 o f
1
18430_528_090204.eps
Disable
D
Enable
X
C
B
A
Size : A4
<Rev>
11
090204