BenQ PB6100 Service Manual page 99

5
VDD_F
CA508
0.1U M
D
1
2
32.768KHZ
3
2M
R501
4
5
6
10M
R502
7
8
25.6KHZ
C501 C502
Y501
10P J 10P J
Crystal generate the clock for fan control IC.
C
J501
4
FANSPIN2
3
FAN2_P
2
1
20L2021004
J502
FAN1_E
10
B
FAN1_B
9
8
7 FAN1_P
6
FANSPIN1
5
4
3 FAN4_P
2 FANSPIN4
1
20L2021010
A
5
4
V12
U501
Q503
16
VDD NC
15 2SB772S
AR FR
14
A F
13
BR NC
12
B ER
11
CR E
10
C DR
9
VSS D
CD4049UBCM
FAN4_P
2 fan speed control and 2 thermal sensor detect IC
RA504
V12
680
RA502
Q501
4
SI4431DY-T1
5.6K
R520
0
FANSPIN2
R503
47K
Q502
1
2N3904
R506
FAN2_P
820
+ C503
47U
16V
Fan control IC
4
3
R511
R518 O PEN
2.4K
V12
C518 220P J
R507
R512
R519 O PEN
4.7K
C519 220P J
3 14
SCL
12
SDA
RA501
R510
4.7K
11
VDD_F
10K
Q504
6
2N3904
R509
1 1
2.2K
10
R508
C505 2.2K
+ 9
22U RB501
16V 2.2K
32.768KHZ
FANSPIN4
VDD_F
VDD_F
C504
R504 0.1U M
10K
U503
1 8
OUT VCC
2 7
SDA
F.G. SDA
3 6
R505 SCL
ON/OFF SCLK
4 5
2.2K
32.768KHZ
GND CLK
G760A
RA505
2.2K
3
2
CA506 C506 CA507
2.4K
0.47U K 0.1U M 0.47U K
U502
15
SMBCLK VCC
2
SMBDATA VCC
3 C507
DXP1
2200P K
FAN1_E
ALERT
4
DXN
C508
RESET
5
2200P K
DXP2 FAN2_B
OUT1
16
OUT2
13
VDD_F
FG1 FG2
7 R514
GND
8 10K
CLK GND
FANSPIN1
R515
G768B
2.2K
R513
VDD_F
10K
U505
G751-2
SDA
5 1
A2 SDA
SCL
6 2
A1 SCL
7
A0
3
O.S.
8
VCC
GND
Thermal sensor
Benq Corporation
Project Code
Title
Size
<Size>
Date:
2
1
VDD_F
V12
R517
4.7K
Q506
3
2SB772S
FAN1_B
RA503
4.7K
FAN1_P
Q505
1
2N3904
R516
2.2K
C509
+
22U
16V
RB502
2.2K
SDA
SCL
VDD_F
C510
0.1U M
Model Name OEM/ODM Model Name
99.J8677.001 PB6100 ODM
FAN BOARD
PCB P/N PCB Rev. Document Number
48.J8613.S02 S02 99.J8677.B12-C3-304-002
Wednesday, August 06, 2003
Sheet 3 o f
Prepared By Reviewed By Approved By
ANGEL HU KEN JA CHEN JACK CHEN
1
D
C
B
A
Rev.
0
3