Service manual

1
2
3
4
5
B
C
B
B – 21
KBC PS/2 & FAN
REV. 2
FIG. B  20
keyboard
+5VS
+5VS
+5V
+3V
+3VS
+3V
PS2CLK120
PS2DAT A120
PS2CLK220
PS2DAT A220
FAN_EN20
TPADCLK20,23
TPADDATA20,23
HBEEP20
H8_BEEP 26
IRT X18
IRM ODE18
IRRX18
PWRBT N#22
PS2_VCC
PS2CLK1
PS2DAT A1
PS2CLK2
PS2DAT A2
TPADDATA
TPADCLK
PWRBT N#
JFAN1
ACES/CO N3
1
2
3
R188
10K
R187
10K
R183
10K
R184
10K
R178
10K
R182
10K
R270
1K
L5
B K1 608LL 121
1 2
L4
B K1 608LL 121
1 2
L6
B K1 608LL 121
1 2
L10 B K1608LL 12 1
1 2
JIR1
ACES/CO N7
1
2
3
4
5
6
7
F2
1.1A
1 2
C17
270PF
C2
270PF
C18
270PF
C6
270PF
C3
270PF
C72
*.1UF
C60
.1UF
+
C244
4.7UF /16V
12
L8
HB-1H3216-700T 05
1 2
Q34
2SC4 672
B
E
C
R115
1M
C135
1000PF
U10
7SZ 14
24
5
3
JPS1
PAN/MINE DIMM
5
3
1
2
4
6
7 8
D23
RB75 1V
1 2
U11
7S0 8
2
1
4
3
5
POWER BOTTOM /IR CONNECTO
R
KCLKPCLK
KDATAPD AT A
VCC GN D
M INI D IM M