BenQ VL3735 Service Manual page 177

5
+5VS
BAV99
D N1
TP29
D 1
D
LL4148
J3
6
TP30
11 1
7
TP31 GS DA TP32
12 2
8
TP33 TP34
13 3
TP35
9
TP36
14 4
10
TP37
15 5
2K22014015
R1 8 47
R1 9 47
C
Z D1 Z D2
TZMC5V1 TZMC5V1
P C_5V
A1
R22 R2 3
4.7K 4.7K
GS CL
GS DA
Z D7 Z D8
TZMC5V1 TZMC5V1
B
A
5
4
BAV99 BAV99
J J J
D N 2 D N3
D 2 D 3
LL4148 LL4148
L15 Z30
L16 Z30
L17 Z30
R12 R13
75 75
1206 1206
R16 4.7K
R17 4.7K
TP38
TP39
Z D3 Z D4
+5VS T ZMC27 TZMC27
D N4
K A A K
BAV70LT1G
Z D5 Z D6
A2
TZMC27 TZMC27
K A A K
5 V _ P C DDC
U 2
8 1
VCC A0
7 2
WP A1
6 3
SCL A2
5 4
SDA GND
AT24C02N-10SU-1.8
TTL Input:
VIH > 2.0V, VIL < 0.8V
TTL Output:
VOH > 3.5V, VOL < 0.4V
4
3
+5VS
L95 Z220
(3A, 0.04 OHM, 0805)
R9 33
P C_ R 3
R10 33
P C_G 3
R11 33
P C_B 3
R14 C25 C26 C2 7
75
1206 NM_12P J NM_12P J NM _12P J
50V 50V 50V
R20 47
R21 47
5V_RS232
U 3
C3 0 0 .1U K
1 16
C1+ VCC
2 15
V+ GND
U ART_RX
3 14
C1- T1OUT
C3 1 0 .1U K UART_TX
4 13
C2+ R1IN
5 12
RXD
C2- R1OUT
6 11
TXD
V- T1IN
7 10
T2OUT T2IN
8 9
R2IN R2OUT
SP232ECN-L
U 4
1
1 DTV_DL_RX
2Y1
2
9 M CU_RX
2Y0
3
1 DTV_DL_TX
3Y1
4
TXD 3Z
5
9 MCU_TX
3Y0
6
E
7
VEE
8
GND
7 4 HC4053PW
3
2
+5VS_Tri
C2 3
0 .1 U K
U1 A
1 4
3
2 5
7 4 HC132D
+5VS_Tri
U 1 C
9 12
8
10 13
7 4 HC132D
Ic=25mA
+5VS
C E
Q1
2N3906S
C32
1 U K
R24
1K
R25
4.7K
Q2
R26
2N3904S
27K
B
C35
0 .1U K
5V_RS232:
ON MODE: 5V (PWR_ON = HI)
STANDBY MODE: 0V (PWR_ON = LO)
+5VS
C38
0 .1U K
16
VCC
15
RX D
2Z
14
1Z
BenQ Corporation
13
1Y1
L : PW318B
12
H : DTV DL
1Y0
Project Code
11
S1
10
Title
S2
9
RS232_SEL 7
S3
Size
<Size>
Da te:
2
1
U1 B
R 8
6
P C_VS 3
47
7 4 HC132D
C24
100P J
U 1 D
R15
11
P C_ HS 3
47
7 4 HC132D
C28
100P J
P W R_ ON 9,12
D-SUB INPUT
Model Name OE M /ODM Model Name
9J.M7375.001 V 37C < O EM/ODM>
M A IN B OARD
P CB Re v. Do c u m ent Number R e v .
P CB P/N
2
4H.M7301.S13 S13 9J.M7375.BAE-C3-304-001
Tuesday, April 04, 2006
Sheet 2 o f 14
Prepared By Re v i ewed By A p p roved By
A NGE L HU HOL ION LEE DOM INGO HUA NG
1
D
C
B
A