Level 2 Circuit Board And Standard Parts Replacement; Block Diagram - BenQ G700 Service Manual

BenQ G700

5. Level 2 Circuit Board and Standard Parts Replacement

5.1. Block diagram

Power Board
C805 ZD802
100u 450V P6KE200A
D801
BL4-06
R801
3M3
2 3
R805
3M3
L801
12mH
2 3
R822
3M3
1 4
R823
3M3
1 2 1 2
R820 R821
1M 1/2W 1M 1/2W
C804 0.47u X2
275V
C801 C806
2200P Y2 2200P Y 2 C813
250V 250V
47p 1KV
RT801
5R
PGND
F801
2A 250V
CN801
1 2 3
P801
AC IN
TO SCALER BD CN101
C820
2200P Y1
R804 T801
68R 1/2W 400V TRF-EI28
1
R803
510K
C803
4n7/1KV
R807 2
510K
D804
MUR1100
3
4
2 1
R824 D806
510K A02
5
C815
R825 47u/25V
470K
ZD806
NC ZD805 4
R812
12V
6.8R
3
1 2
IC802 1
C
TOP246Y
R816
6R8
C818
R817 C817
47u/25V
12K 0.1u 50V
C824
4700P Y 1
1
2 VCC5V
3
4
ON/OFF
5
BRIGHTNESS
6
7
8
C821
0.1u/50V
C802
R802
1n 500V
10R
1 2
L802
11 1 5uH 5A
2
10 3
D803 SRF8-10 470uF/25V
C808
C811 1000uF 25V
R806
1n 500V
10R
1 2
9
L803
8 1 5uH 5A
2
3
D805 SRF5-04 1000u 10V
C809
C812
C814
1000u 10V
7 47u 25V
6
R808 R809
10K 100R
IC801
LTV817
1
2 R814
1K
C816
0.1u 100V
MEB
Q801
PMBT3904 C
D809 R
A
1N4148W IC803
TL431
C819
47u/25V
InnoLux
Document Number :
new
TITLE :
POWER SUPPLY
2007-04-07
DATE :
2
SHEET OF
25
Service Manual
+14V
R828
9.1V
100R 1W
C810 ZD801
2
R829
200R
3
Q802
2 1
2SC1815
B801
1
BEAD CORE 3.5x9
VCC5V
R827 ZD803 ZD804
10K 16V
5.6V
C822
0.1u 50V
51K 1%
R811 R810
5K1 1%
R815
R813
1K
1K
2 1
R819
10K
R818
3K3 1%
BENQ(G700)
SIZE : APPRO BY :
A4
CHECK BY :
DRAWN BY :
Rev :
3 04