BenQ V37X Product Service Manual page 192

5
POWER SUPPLY
CONNECTOR
D
JH1 JH1
TH1 TH1
1
1
TH2 TH2
2
2
TH3 TH3
3
3
TH6 TH6
4
4
5
5
6
6
TH7 TH7
7
7
8
8
TH4 TH4
9
9
10
10
11
11
12
12
TH5 TH5
13
13
14
14
TH8 TH8
15
15
16
16
2K62095116 2K62095116
AGND
C
[Current]
PW328B=>MAX (Standby)
1.8V : 1350mA ( 20)
2.5V : 75mA ( 0 )
3.3V : 65mA ( 7 )
-------------------------
+5VS
RH7 RH7
47K 47K
QH2 QH2
B
B
2N3904S 2N3904S
AMP_IN2
RH12 RH12
47K 47K
QH4 QH4
B
A
2N3904S 2N3904S
AGND
5
4
(For EMI)
CH10 CH10 CH11 CH11 CH27 CH27
220P J 220P J 220P J 220P J 220P J 220P J
RH6 RH6 100 100
LCD_BR
RH5 RH5 100 100
LCD_ON
RH15 RH15 100 100
PWR_ON
+12VIN2 + +
CH4 CH4
220U 25V M 220U 25V M
AMP_IN2
+ +
CH25 CH25 CH26 CH26
220U 25V M 220U 25V M 0.1U K 0.1U K
+ +
CH3 CH3 CH6 CH6
220U 25V M 220U 25V M 0.1U K 0.1U K
AGND
QH1 QH1
+5VA
3 8
2 7
1 6
5
AO4405 AO4405 CH15 CH15
0.1U K 0.1U K
RH8 RH8
PWR_ON 13
47K 47K
RH9 RH9
22K 22K
AMP_IN3
QH3 QH3
3 8
2 7
1 6
CH23 CH23
5
0.1U K 0.1U K
AO4405 AO4405
AGND
RH13 RH13
PWR_ON 13
47K 47K
RH14 RH14
22K 22K
4
3
Switching Regulator
5V TO 1.8V, 3A, 80%
13
13
+5VS
13
+5VS
1
IN
CH7 CH7
0.1U K 0.1U K
CH8 CH8
+ +
1000U 1000U
10V 10V
CH14 CH14
0.1U K 0.1U K
CH19 CH19
0.1U K 0.1U K
CH22 CH22
0.1U K 0.1U K
3
2
S02:
1. Del : LH5, LH9, LH10, LH11, RH4, CH9
2. RH3 --> 6D.22615.551
UH1 --> 7D.01507.04M
3.AMP_IN2 GND -->AGND
S03:
1.Add RH16
2.Del DH1, Add DH2
UH1 UH1
AP1507 D5LA (ADJ) AP1507 D5LA (ADJ) LH6 LH6 33U K 33U K
2
SW
RH2 RH2
DH2 DH2 + + 1.05K 1.05K
CH1 CH1
SS2P3L SS2P3L
470U 16V 470U 16V
0 0 RH3 RH3
2.26K F 2.26K F
Vo = 1.23 x (1+R1/R2)
UH2 UH2
0805 0805
LH15 LH15
3 2
VIN VOUT
3A 0.04OHM 3A 0.04OHM
+ +
CH13 CH13
G960T43UF G960T43UF CH12 CH12
0.1U K 0.1U K
100U 16V 100U 16V
UH3 UH3
0805 0805
LH13 LH13
3 2
VIN VOUT
3A 0.04OHM 3A 0.04OHM
+ +
CH18 CH18
G960T43UF G960T43UF CH16 CH16
0.1U K 0.1U K
100U 16V 100U 16V
UH4 UH4
0805 0805
LH14 LH14
3 2
VIN VOUT
3A 0.04OHM 3A 0.04OHM
+ +
CH21 CH21
G950T43UF G950T43UF RH10 RH10 CH20 CH20
0.1U K 0.1U K
681_DNP 681_DNP 100U 16V 100U 16V
RH11 RH11
0 0
2
1
0805 0805 +1.8V_PW
LH3 LH3 Z220 Z220
3A 0.04OHM 3A 0.04OHM
0805 0805 1.8VA_PW
+1.9V LH7 LH7 Z220 Z220
3A 0.04OHM 3A 0.04OHM
CH2 CH2
0.1U K 0.1U K
+3.3V_PW
Z220 Z220
3.3VA_PW
Z220 Z220
+2.5V_PW
Z220 Z220
POWER
BenQ Corporation BenQ Corporation BenQ Corporation
Project Code Project Code Project Code
Model Name Model Name Model Name OEM/ODM Model Name OEM/ODM Model Name OEM/ODM Model Name
V37X EU V37X EU V37X EU
9J.01B75.001 9J.01B75.001 9J.01B75.001 V37X EU V37X EU V37X EU
Title Title Title
P17_Power P17_Power P17_Power
Size Size Size PCB Rev. PCB Rev. PCB Rev. Document Number Document Number Document Number
PCB P/N PCB P/N PCB P/N
A3 A3 A3 9J.01B75.BAE-C3-304-001 9J.01B75.BAE-C3-304-001 9J.01B75.BAE-C3-304-001
4H.M7801.A01 4H.M7801.A01 4H.M7801.A01 A01 A01 A01
Thursday, August 31, 2006 Thursday, August 31, 2006 Thursday, August 31, 2006
Date: Date: Date: Sheet Sheet Sheet 17 17 17 of of of 17 17 17
Prepared By Prepared By Prepared By Reviewed By Reviewed By Reviewed By Approved By Approved By Approved By
Floyd Lin Floyd Lin Floyd Lin
Jimmy Chang Jimmy Chang Jimmy Chang Cooper Lue Cooper Lue Cooper Lue
1
D
C
B
A
Rev. Rev. Rev.
0 0 0