Service manual
Schematic Diagrams
COM Port / PS2 B - 37
B.Schematic Diagrams
COM Port / PS2
Z3422
Z3425
Z3424
PINGND1.2=GND
C575 *33p_50V_X7R_04
C577 *33p_50V_NPO_04
C582 470p_50V_X7R_04
C608 *33p_50V_N PO_04
PS2CLK225
C585 470p_50V_X7R_04
43
2
1
PS/2 CONNECTOR TOP VIEW
56
R532
10K_04
J_PS2KB1
1
2
3
4
5
6
PS2CLK025
L38
33_04
For ESD
5VS_PS2
RD8
BAV99N 3
A
C
AC
RD7
BAV99N 3
A
C
AC
.
L46 HCB1608KF-121T25
Z3420
J_PS2MOUS E1
1
2
3
4
5
6
R531
10K_04
PS2DAT025
PS2DAT225
C594
0.1u_16V_Y 5V_04
K/B
Z3413Z3409
Z3411
FORCEON
Z3412
Z3410 Z3414
INVALID
C573 *33p_50V_X7R_04
NDSR1#
NTXD1
NDTR1#
NRTS1#
NRXD1
NRI1#
NCTS1#
NDCD1#
MOUSE
.
L7 FCM1005KF-121T03
C278
0.1u_16V_Y5V_04
C570
0.1u_16V_Y5V_04
COM1
202AE09YGPIGA3
5
9
4
8
3
7
2
6
1
GND1
GND2
C586 180p_50V_NPO_04
C614 180p_50V_NPO_04
.
L14 FCM1005KF-121T03
.
L10 FCM1005KF-121T03
C587 180p_50V_NPO_04
.
L12 FCM1005KF-121T03
.
L9 FCM1005KF-121T03
C588 180p_50V_NPO_04
.
L40 FCM1005KF-121T03
.
L8 FCM1005KF-121T03
.
L37 FCM1005KF-121T03
C590 180p_50V_NPO_04
L36
33_04
C556
0.1u_16V_Y5V_04
C578 180p_50V_NPO_04
R521 *100K_04
C283
0.1u_16V_Y5V_04
C563
0.1u_16V_Y5V_04
U34
TI/MAX3243CDBR
C1+
28
C1-
24
C2+
1
C2-
2
T1I N
14
T2I N
13
T3I N
12
R2OUTB
20
R1OUT
19
R2OUT
18
R3OUT
17
R4OUT
16
R5OUT
15
FORCEON
23
/FORCEOFF
22
/INVALID
21
V+
27
V-
3
T1OUT
9
T2OUT
10
T3OUT
11
R1IN
4
R2IN
5
R3IN
6
R4IN
7
R5IN
8
GND
25
VCC
26
C564
0.1u_16V_Y5V_04
C591 180p_50V_NPO_04
C589 180p_50V_NPO_04
R522 100K_04
C574 180p_50V_NPO_04
R508 *100K_04
.
L47 FCM1005KF-121T03
.
L48 FCM1005KF-121T03
.
L33 FCM1005KF-121T03
.
L13 FCM1005KF-121T03
U35
TI/MAX3243CDBR
C1+
28
C1-
24
C2+
1
C2-
2
T1IN
14
T2IN
13
T3IN
12
R2OUTB
20
R1OUT
19
R2OUT
18
R3OUT
17
R4OUT
16
R5OUT
15
FORCEON
23
/FORCEOFF
22
/INVALID
21
V+
27
V-
3
T1OU T
9
T2OU T
10
T3OU T
11
R1IN
4
R2IN
5
R3IN
6
R4IN
7
R5IN
8
GND
25
VCC
26
.
L11 FCM1005KF-121T03
C615
0.1u_16V_Y5V_04
.
L42 FCM1005KF-121T03
C299
0.1u_16V_Y 5V_04
C592 180p_50V_NPO_04
C298
0.1u_16V_Y5V_04
C567 180p_50V_NPO_04
C593 180p_50V_NPO_04 C599 180p_50V_NPO_04
COM2
202AE09YGPIGA3
5
9
4
8
3
7
2
6
1
GND1
GND2
C601 180p_50V_NPO_04
.
L45 FCM1005KF-121T03
NDSR0#
C581 180p_50V_NPO_04
.
L43 FCM1005KF-121T03
C611 180p_50V_NPO_04
NDTR0#
R509 100K_04
NRTS0#
NRI0#
NRXD0
C618
0.1u_16V_Y5V_04
NTXD0
3.3V
NDCD0#_R
3.3VS
NDTR0#_R
NRI0#_R
NRTS0#_R
NTXD0_R
NRXD0_R
NDSR0#_R
3.3V
3.3V
3.3V
3.3VS
3.3V 2,5,25,30,32,34, 35,38
NCTS0# NCTS0#_R
NDCD0#
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
DSR0#25
DCD0#25
RTS0#25
CTS0#25
RXD025
TXD025
DTR0#25
RI0#25
RTS1#25
CTS1#25
RXD125
TXD125
DTR1#25
RI1#25
C607
0.1u_16V_Y5V_04
DSR1#25
DCD1#25
L39
33_04
Z3416Z3415
ÅܧóM-MSOP8¥]¸Ë
SY6288DCAC
APL3518BXITRG
uP7534BRA8-20
R517
10K_04
50 MIL
C560 *0.1u_16V_Y5V_04
C557 0.1u_16V_Y5V_04
U25
SY 6288DC AC
VOUT1
6
VOUT3
8
VIN2
3
VIN1
2
VOUT2
7
GND
1
EN#
4
FLG#
5
C558
10u_10V_Y5V_08_E
R515
*0_04
5VS_PS2
5V
3.3V
5VS_PS2
Z3421
Z3418
Z3417
Z3419
PINGND1.2=GND
For ESD
RD9
BAV99N3
A
C
AC
5VS_PS2
RD10
BAV99N3
A
C
AC
NDSR1#
NRXD1
NDTR1# NDTR1#_R
NRI1#_R
NRTS1#_R
NTXD1_R
NRXD1_R
NDSR1#_R
NDCD1#_R
NRI1#
NCTS1#_R
NTXD1
NRTS1#
NDCD1#
NCTS1#
DD_ON#23,27,32,34,39
Z3405
Z3403
Z3407Z3401
6/27
Z3408
6/27
Z3404
Z3402
Z3406
NRI0#
NDSR0#
NDTR0#
NRTS0#
NRXD0
NCTS0#
NDCD0#
NTXD0
Serial Port 1
C572 *33p_50V_X7R_04
5VS_PS2
Serial Port 2
C584 470p_50V_X7R_04
L35
33_04
C609 *33p_50V_N PO_04
C583 470p_50V_X7R_04
C580 *33p_50V_NPO_04
.
L34 HCB1608KF-121T25
R534
10K_04
C576 *33p_50V_X7R_04
R533
10K_04
Z3426
Z3423
Sheet 36 of 45
COM Port / PS2