Com Port / Ps2 - EUROCOM A110EU Service Manual

COM Port / PS2

Serial Port 1
3.3V
U34
28 27
Z3401 Z3407
C1+ V+
C570
24 3
0.1u_16V_Y 5V_04 Z3402 Z3408
C1- V-
C618
Z3403 1
C2+
C615 0.1u_16V_Y5V_04
Z3404 2
0.1u_16V_Y 5V_04
C2-
14 9 NTXD0
25 TXD0
13 T1IN T1OUT 10
NRTS0#
25 RTS0#
T2IN T2OUT
12 11 NDTR0#
25 DTR0#
T3IN T3OUT
20
R2OUTB
19 4
NDSR0#
25 DSR0# R1OUT R1IN
18 5
NRI0#
25 RI0# R2OUT R2IN
17 6
NCTS0#
25 CTS0# R3OUT R3IN
16 7 NRXD0
25 RXD0 R4OUT R4IN
15 8 NDCD0#
25 DCD0# R5OUT R5IN
Z3405 23
R522 100K_04
3.3VS FORCEON
22
R521 *100K_04
3.3V
/FORCEOFF
25
GND
Z3406 21
/INVALID
TI/MAX3243CDBR
Serial Port 2
3.3V
U35
Z3409 28 27 Z3413
C1+ V+
C283
Z3410 24 3 Z3414
0.1u_16V_Y 5V_04
C1- V-
Z3411 1
C2+
C298
0.1u_16V_Y 5V_04 Z3412 2
C2-
14 9
NTXD1
25 TXD1
13 T1IN T1OUT 10
NRTS1#
25 RTS1# T2IN T2OUT
12 11
NDTR1#
25 DTR1# T3IN T3OUT
20
R2OUTB
19 4 NDSR1#
25 DSR1# R1OUT R1IN
18 5 NRI1#
25 RI1# R2OUT R2IN
17 6 NCTS1#
25 CTS1# R3OUT R3IN
16 7 NRXD1
25 RXD1 R4OUT R4IN
15 8 NDCD1#
25 DCD1# R5OUT R5IN
R509 100K_04 FORCEON 23
3.3VS
FORCEON
R508 *100K_04 22
3.3V
/FORCEOFF 25
21 GND
INVALID
/INVALID
TI/MAX3243CDBR
C564
0.1u_16V_Y5V_04
C563
0.1u_16V_Y 5V_04
COM1
1
NDCD0# L42 FCM1005KF-121T03 NDCD0#_R
NDSR0# L48 FCM1005KF-121T03 NDSR0#_R 6
2
NRXD0 L43 FCM1005KF-121T03 NRXD0_R
7
NRTS0# L37 FCM1005KF-121T03 NRTS0#_R
3
NTXD0 L40 FCM1005KF-121T03 NTXD0_R
8
NCTS0# L45 FCM1005KF-121T03 NCTS0#_R
4
NDTR0# L33 FCM1005KF-121T03 NDTR0#_R
NRI0# NRI0#_R 9
L47 FCM1005KF-121T03
5
202AE09Y GPIGA3
C556
0.1u_16V_Y 5V_04
C299 C278
0.1u_16V_Y 5V_04 0.1u_16V_Y 5V_04
COM2
1
NDCD1# L11 FCM1005KF-121T03 NDCD1#_R
6
NDSR1# L7 FCM1005KF-121T03 NDSR1#_R
2
NRXD1 L10 FCM1005KF-121T03 NRXD1_R
7
NRTS1# L13 FCM1005KF-121T03 NRTS1#_R
NTXD1 NTXD1_R 3
L12 FCM1005KF-121T03
NCTS1# NCTS1#_R 8
L9 FCM1005KF-121T03
NDTR1# NDTR1#_R 4
L14 FCM1005KF-121T03
NRI1# NRI1#_R 9
L8 FCM1005KF-121T03
5
202AE09Y GPIGA3
3.3V
R517 ÅܧóM-MSOP8¥]¸Ë
10K_04 R515
*0_04 U25
Z3415 Z3416 5 6
FLG# VOUT1
5V 2 7
VIN1 VOUT2
3 8
VIN2 VOUT3
4 1
C558
EN# GND
10u_10V_Y5V_08_E SY 6288DCAC
SY6288DCAC
APL3518BXITRG
uP7534BRA8-20
23,27,32,34,39 DD_ON#
GND2
.
L46 HCB1608KF-121T25
5VS_PS2
GND1
R532 R531
10K_04 10K_04
L36
33_04
25 PS2DAT0
L35
33_04
25 PS2CLK0
6/27
.
L34 HCB1608KF-121T25
5VS_PS2
GND2
R534 R533
10K_04
10K_04
L39
33_04
25 PS2DAT2
L38
33_04
GND1
25 PS2CLK2
6/27
3.3V 2,5,25,30,32,34,35,38
3.3VS 5,9,10,11,13,14,15,18,21,24,25,26,27,28,30,31,33,34,35,40
5V 23,32,33,34,35,38
Schematic Diagrams
5VS_PS2
50 MIL
5VS_PS2
For ESD
K/B
Sheet 36 of 45
J_PS 2KB1
Z3417
COM Port / PS2
1
Z3418
2
3
Z3419
4
Z3420
5
Z3421
6
P ING ND1.2=G ND
C607
0.1u_16V_Y5V_04
PS/2 CONNECTOR TOP VIEW
6 5
4 3
2 1
5VS_PS2
For ESD
MOUSE
J_PS2MOUSE1
Z3422
1
Z3423
2
3
Z3424
4
Z3425
5
Z3426
6
P INGND1 .2=GND
C594
0.1u_16V_Y 5V_04
COM Port / PS2 B - 37