BenQ Q7T4-FP71G Service Manual page 58

5
delete RN4,RN5,RN6,RN8;
Q1,R44,C49,R46,R47
D
**C50 close to scaler, R43 close to MCU.
C 50 6.8P J
Y2
12MHZ
C 51 6.8P J
D D C _WP_A
D D C _ WP_D
C
RTD_SDO/SDI
SDIO1
SDIO2
SDIO3
RTD_SCLK
B
R 53 1K
KEY_EXIT
R 54 1K
KEY_LEFT
R 55 1K
K EY_RIGHT
R 56
K EY_MENU
PW _SW
I - KEY
A
5
4
RTD_SCSB
PANEL_ON
D-detect
3.3V_MCU
3.3V_MCU
RESET
C 48
0.22U K
3.3V_MCU
3.3V_MCU
7
RST
8
VDD
R 45 4.7K 9
P6.3/AD3
U 5
10
VSS
11
X2
12 SOCKET P/N: 22.10079.044
X1
13
SD A ISDA/P3.4/T0
14
SC L ISCL/P3.5/T1
15
STOUT/P4.2
MTV312MV64
16
P6.2/AD2/HLFHI
17
P1.0 HSCL/P3.0/Rxd
RTD_RESET
3.3V_MCU
L ED_ORG R 48 10K 2N3906
1
L ED_ORG
Q2
2N3906
LE D_GRN R 50 10K 1
LE D_GRN
Q3
L6
L7
L8
1K
R 57 1K
R 58 1K
C 67 C 68 C 69
100P 100P 100P
50V J 50V J 50V J
4
3
3.3V_MCU
I - KEY
PW _SW
KE Y_MENU
R 68
39
3.3V_MCU
DA8/HLFHO
38
DA9/HALFV 4.7K
37
D D C _ WP_D
HBLANK/P4.1
36
D D C_WP_A
VBLANK/P4.0
35
DA7/HCLAMP
34
K EY_RIGHT
DA6/P5.6
33
P6.7/DA13 L ED_ORG
32
LE D_GRN
P6.6/DA12
31
BL_ON
P6.5/DA11
30
VOL_ON
P6.4/DA10
29
DSUB_SCL
D SUB_SDA
KEY_LEFT
KEY_EXIT
A-detect
C 54
100P
50V J
C 55
100P
50V J
BRT_ADJ
VOL_ADJ
3.3V_MCU
C 58
0 .1U
C 64
220P J
R 49 220
R 51 220
C 65 C 66
0 .1U 0 .1U
J 4
TP32
1
TP33
2
TP34 3
TP35
4
TP36
5
TP37 6
TP38
7
L9 TP39 8
L10 TP40
9
L11
2060091109
C 70 C 71 C 72
100P 100P 100P
50V J 50V J 50V J
3
2
3.3V_MCU
C 47
U4
0 .1U
1 8
A0 VCC
2 7
A1 WP
3 6
A2 SCL
4 5
GND SDA
AT24C04N-10SI-2.7
3.3V_MCU
GMT
U6
1 3
VIN VOUT
C 52
G950T65U
0.1U
TP25
J3
TP26 1 2
1 2
3 4
3 4
5 6
5 6
7 8
7 8
9 10
9 10
TP30 11 12
11 12
2072060206
C 59 + C 56 C 60 + C 57
22U 25V 22U 25V
0 .1U 0 .1U
R 52 0
2
1
D
R 42 R 43
4.7K 4.7K
SC L
SD A
+2.5V
C
C 53
0.1U
TP27
BL_ON
L4
L5 TP28
+5V
Z30 TP29
3.3V_MCU
220 OHM TP31
VOL_ON
B
C 61 C 62 C 63
0 .1U 0.1U 0 .1U
A
Project Code Model Name OEM/ODM Model Name
Q7T4 NA
99.L1C72.001
Title
INTERFACE BOARD
Size P CB P/N PC B Rev. Document Number R e v .
<Size>
1
99.L1C72.000-C3-304-001
48.L1C01.S02 S02
Thursday, July 29, 2004
Date: Sheet 3 o f 6
Prepared By R eviewed By Ap proved By
AN GEL HU ALLEN PC LEE D AV EN WU
1