Service manual
Buffalo BU1715
26
LED_O
R624 470 1/16W
RXD 3
DDC_WP 3
R610 220 1/16W
R609 100 1/16W
VCPU2
R601
10K 1/16W
DVI_DET 3
RN601
10K 1/16W
1
2
3
4
8
7
6
5
CSZ 4
R626 10K 1/16W
R607
10K 1/16W
OUT-L-
LED_O
Volume 4
INT4
onPANEL_5V/3.3V 2
C608
0.001uF
C604 22pF
R621 470 1/16W
DDC_CLK 3
FB602 600 OHM
R603
10K 1/16W
SCL 4
U603 MAX810STR (NC)
1
23
GND
RSTVCC
AD2 4
Canel R640 R642
DDC_DAT 3
SDA 4
ENTER
C607
0.001uF
C606
0.001uF
LED_G
CN603
NC
1
2
3
4
1
2
3
4
ST_DET13
R640
1K 1/16W
LED_ORANGE
C605
0.1uF
R652 10K 1/16W
R613
10K 1/16W
R602
10K 1/16W
C618
0.1uF
C611
1uF/25V
R651
10K 1/16W
HWRESET 4
LEFT
R606
10K 1/16W
4/2/2004-change Crystal from 20MHz to 24MHz
POWER
LEFT
C612
0.1uF
R627 10K 1/16W
OUT-L-
+
C603
10uF/16V
Q604
PMBS3904
VCC5V
AUTO
C613
0.1uF
R625 10K 1/16W
R617
120 1/16W
R623 470 1/16W
R644
10K 1/16W
R636 100 1/16W
OUT-L+
C617
100pF
R620 470 1/16W
I/O
U601
MYSON512
35
21
20
10
14
15
16
2
3
4
5
6
7
8
9
43
42
41
40
39
38
37
36
24
25
26
27
28
29
30
31
19
18
32
33
13
11
22 44
12
17
NC
XTAL1
XTAL2
RESET
INT0/P3.2
INT1/P3.3
T0/P3.4
P5.0
P5.1
P5.2
P5.3
P5.4
P5.5
P5.6
P5.7
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
P6.0
P6.1
P6.2
P6.3
P6.4
P6.5
P6.6
P6.7
P7.7
P7.6/CLKO
VSYNC
ALE/P
P3.1/TXD
P3.0/RXD
VSS VCC
NC
T1/P3.5
C619
0.1uF/16V
LED_GRN
ENTER
R608 100 1/16W
MCU
B
TSU16AK
B
66Wednesday, October 06, 2004
Title
Size Document Number Rev
Date: Sheet
of
CN601
CONN
2
4
6
8
10
12
14
1
3
5
7
9
11
13
C609
0.001uF
D601
LL4148-GS08
R604 10K 1/16W
VCC12V 2
R615 10K 1/16W
Q601
PMBS3906
C E
B
AD3 4
R641 4.7K 1/16W
R645
nc
VCC5V 2,3,4
R639 100 1/16W
VCC5V
LED_G
FB603
600 OHM
AUTO
POWER
R614 10K 1/16W
VCC5V
C602 22pF
C610
0.001uF
Q602
PMBS3906
C E
B
onBACKLITE 2
OUT-R-
R616
4.7K 1/16W
FB601 600 OHM
AD1 4
VCC12V
R635 NC
C601
0.1uF
RN602
10K 1/16W
1
2
3
4
8
7
6
5
Standby
RIGHT
Reset
Circuit
OUT-R-
R619
4.7K 1/16W
R605 10K 1/16W
VCPU
X601
24MHz
AD0 4
VCPU
OUT-L+
2004/08/19 MODIFY
OUT-R+
R646
nc
R618
120 1/16W
OUT-R+
R647
22K 1/16W
VCPU
VCPU
Mute
U602
AT24C16N-10SC-2.7
1
2
3
4 5
6
7
8
A0
A1
A2
GND SDA
SCL
WP
VCC
TXD 3
DDCCI_SEL 3
VCPU
R638 NC R634 NC
R622 470 1/16W
RIGHT
VCPU
Q605
PMBS3904
CE
B
CN602
CON16A
2
4
6
8
10
12
14
16
1
3
5
7
9
11
13
15
R611 220 1/16W