BenQ Q7T3-FP737S Service Manual page 134

5
D
3.3V_MCU 3.3V_M
C301
- n ¾ a ª ñ Scaler
R88
C301
R301
12M
0 C46
0.1U K
22P J Y2 R308
R301- n ¾ a ª ñ MCU 1M
12MHZ
C47
22P J
3.3V_M
Delete:
Change PWR_OFF to VOL_ON_OFF on P6.2.
S DA
C
S CL
R307
VOLUME
AD0
10K
AD1
INT
AD2
AD3
MUTE
200ms 200ms
B
VOL_ON_OFF
+5V
TP151
BLT_ON
L5
TP153
Z30
TP155
VOLUME
+
C73 C77 C80 C76
47U 25V
0.1U K 0.1U K 0.1U K
A
5
4
3.3V_MCU
ENTER
INC
DEC
EXIT
3.3V_M
3.3V_M
C44
0.22U K
7
RST DA8/HLFHO
8
VDD DA9/HALFV
4.7K
9
P6.3/AD3 HBLANK/P4.1
U5
10
VSS VBLANK/P4.0
11
X2 DA7/HCLAMP
SOCKET P/N: 22.10079.044
12
X1 DA6/P5.6
13
ISDA/P3.4/T0 P6.7/DA13
14
ISCL/P3.5/T1 P6.6/DA12
15
STOUT/P4.2 P6.5/DA11
MTV312MV64
16
P6.2/AD2/HLFHI P6.4/DA10
17
P1.0 HSCL/P3.0/Rxd
R43 100
3.3V_MCU
3.3V_MCU
J4
2 1 TP152
TP157
4 3
6 5
8 7
L6
220 OHM
10 9
12 11 TP154
TP156
14 13
2072060207
C71
+
C79 C78 C74
0.1U K 47U 25V
0.1U K 0.1U K
4
3
3.3V_MCU
LED_ORG
LED_GRN
3.3V_M
39
38
37
36
MUTE
35
34
I-KEY
33 BLT_ON
32 PANEL_ON
31
A-detect
30
PW_SW
29
DSUB_SCL
DSUB_SDA
PC5V_OFF
RESET D-detect
CSZ
WRZ
3.3V_M
RDZ
3.3V_MCU
R302
1k
1
LED_ORG
R0603
1K
L12 R46
INC
L13
ENTER
L10
EXIT
L11
DEC
L301
PW_SW
L302
I-KEY
3.3V_MCU 3.3V_MCU
BRT_ADJ
U6
1
VIN
MUTE
C60
0.1U K
3
2
3.3V_M
C43 R30
4.7K
0.1U K
U4
1 8
A0 VCC
2 7
A1 WP
3 6
A2 SCL
4 5
GND SDA
AT24C04N-10SI-2.7
3.3V_MCU
R77
220
R76
220
R303
1k
Q6
1
LED_GRN
2N3904
R0603
Q7
2N3904
R47 1K
R44 1K TP30
R45 1K TP31
R304 1K
R305 1K
C41 C42 C39 C40 C303 C302
100P 100P 100P 100P 100P 100P
50V J 50V J 50V J 50V J 50V J 50V J
+2.5V R309 0
GMT
3
VOUT
+ C57
G950T65U C61
22U 25V 0.1U K
Benq Corporation
Project Code
Title
Size
<Size>
D ate:
2
1
R31
4.7K
D
S CL
S DA
C
CON1
TP26 1
TP27
2
3
4
5
6
7
8
TP28 9
B
TP29
2060091109
TP32
TP33
C53 C52
0.1U K 0.1U K
A
Model Name OEM/ODM Model Name
<OEM/ODM>
99.L8372.001 Q7T3
INTERFACE BOARD
P CB P/N PCB Re v. Document Number R e v .
0
48.L8301.S72 S72 99.L8372.000-C3-304-006
Tuesday, December 23, 2003
Sheet 3 o f 6
Prepared By Reviewed By Approved By
ANGEL HU ARSENIO LIU ARIES CHU
1