ViewSonic VS11755 Service Manual page 29

1 2 3
EMI FILTER
J
AC1
F1
1 2
L
RX1
T3.15A / 250V
330K
MST
0805
RX2
CX1
330K
0.33uF
0805
180X085_150
RX3
I
330K
0805
N
CY1
CY2
FG
102
102
Y2
Y2
FG
D1.8
GND-FG
H
CN5
AOL- AOL- 2 1 AOL+ AOL+
AOR- AOR- 4 3 AOR+ AOR+
MUTE MUTE 6 5 SHUTDOWN SHUTDOWN
8 7 VOL_ADJ VOL_ADJ
+13.8V/0.7A
10 9 +5V/1.5A +5V/1.5A
+5V/1.5A
12 11 ADU_DET ADU_DET
G
14 13 GND2-1
BL_ADJ 16 15
ON/OFF
2.54m
GND2-1
D304
F
BAV70
SOT23
D305
BAV70
SOT23
R312
INVERTER PWM IC CIRCUIT
51K
E
1206
47K
R301
0805
43K
R302A
0805
3.3K
R302
0805
272
C301
0805
GND2-S
10uF/25V 1
5x11
2
D C302A
+
3
IC_VERF
4
R303
91K
5
0805
6
7
R307
100K
8
0805
C
2
Q302 C307
BL_ADJ 1
R308
3904
102
100K
SOT23
R309 0805
3
0805
10K
1/8W
R306
200K
0805
GND2-S
R310
2
ON/OFF
Q301
1
1K 3904
B
1/8W SOT23 300K
3
0805
R311
10K
0805
A
1 2 3
4 5 6
LF1
EMI
ET20-4P
D1 D2
1N4007 1N4007
+ C1
DO41 DO41
2 1
100uF/450V
VAR1
18x36
V14K275-5
4 3 D3 D4
14D 1N4007 1N4007
DO41 DO41
TH1
5R/4A
10D
1 D/ST
2
NC
3 C/OCP
4
GND1 VCC
5 GND
6
FB
7 PM/SS/LATCH
U1
STRW6200
TO220-7P
VOLTAGE CLAMP CIRCUIT
LV1
LV2
LV3
LV4
+13.8V
LI
IC_VERF
R305
560K
U301
0805
16
OV AGND
15
LI GND
14
COMP BG
C303
RGA
13
FT VCC
104
0
12 0805
FSET SW
0805
GND2-1
GND2-S 1%
11 1
BOSC TG
C304
10
DBRT BT
473
9 0805
EN VIN
MP1008
C305
SO16
104
0805
GND2-1
D301
1N4148
R314
SOD123
560K
0805
R313
2
Q303 1
3904
SOT23
3
C308
R315
104
30K
0805 0805
GND2-S
4 5 6
7 8
FLYBACK
PWM IC CIRCUIT
2'nd
1'ST
T1
1
R101
C101
100K
102K
3
2W
C2
1KV/DIP
102
1KV/DIP
D101
PR1007
GND1 11
DO41
12
7
8
9
10
R110
4
R104 .39R
C105 PC1-B C104 C103
82K
2W
103 102 104
1010B
0805
0805 0805 0805
3 DIP04
R102 D102
GND1 5
0 1N4007
DO41
1206
6
470uF/25V
+ C102
22uF/25V
5x11
GND1
CY3
102
Y1
GND1 GND2-1
R330
10
1/8W
R328
2K
0805
2
R327
Q305
1
3904
1K SOT23
3
0805
2
1%
Q307
3
2N7002
3 Q306
1
SOT23
3906
SOT23
2
GND2-1
PROTECTION CIRCUIT
D303
R317 LI2
LI
LI4
10K
1206
BAV70
R316
SOT23
100K
0805
R322
LI1
20K
0805
R321 R323
D302
51K
LI3
2
0805 20K
Q304
1
1/8W
3904
R324
SOT23
3
R320 LI2
BAV70
C309 20K
51K
SOT23
103 0805
0805
R325
0805
LI4
20K
GND2-S 0805
7 8
9 10 11
5V & 13.8V OUTPUT
L203
R211 +13.8V/0.7A
Jumper
100R
C211
1206
102/100V
R212
0805
R213
C215 +
12K
100R
470uF/25V
1206
1206
10x16
D211
STPR1620CT + +
C212 C213
TO-220AB
470uF/25V 470uF/25V
GND2-1
10x16 10x16
R201
100R
GND2-1
1206
R202
C201
100R
1206
102/50V
L201
0805
JUMPER
D201
SB560
DO-201
R203
240
0805
R206
+
PC1-A
1
10.2K
C203 R204
+
470uF/25V 0805
10K
C202 0805 1%
10x16 1010B
2
DIP04
10x16
C207
R205
3
GND2-1
104/16V
1 1K
0805 0805
U201 R207
1%
2
10K
TL431
0805
TO92
1%
GND2-1
VOLTAGE FB
POWER STAGE & DRIVER
T301-E
10P
Q308N
AP9977
EEL22
TO-252
4 5
C311 C312
2 6
105 105
0805 0805
Q308P
AP9575
TO-252 3 7
1 8
C310A R329
+
470uF/25V 10
10x16 0805
HIPRO
HIPRO ELECTRONICS
File Name :
L0451RBS2_MB_01_080428
Rev. :
Date :
9 10 11
12 13
J
+13.8V
J3
jumper
0.6x7mm
RG1
I
0
0.6x10mm
GND2-1
GND2-1
+5V/1.5A
1
2
H
F201
3.15A
MST
J5
jumper
0.6x12mm
G
GND2-1
GND-FG
F
CN201
1
C314
2
10PF
2P
LV1 LI1
3KV/DIP
???
C318
C318A R332 R336
682 20K 1K
102
0805
0805 0805 0805
GND2-S
E
CN202
1
C315
2
10PF
2P
LV2 LI2
3KV/DIP
???
C319
R333 R337
C319A
682 1K
20K
102
0805 0805 0805
0805
GND2-S
CN203 D
1
C316 2
5PF
2P
LV3 3KV/DIP LI3
???
C320
R334 R338
C320A
1K
332 20K
681
1206
0805 0805 0805
GND2-S
CN204
C
1
C317
2
5PF
2P
LV4 LI4
3KV/DIP
???
C321A C321 R335 R339
20K 1K
681 332
0805 0805 0805 0805
GND2-S
B
HIPRO ELECTRONICS CO., LTD.
Size Title :
A
1 1
AOC 19"LIPS Page of
C
Model No.:
Apv. By :
Edward_Huang HP-L0451RBS2
This document is the property of
01 0 Chk By : Kavin_Weng
Code :
HIPRO and may not be transferred
from the custody of HIPRO
2008-04-28 Draw By : Kavin_Weng
, except as authorized by HIPRO
12 13 Form 086 Rev. 0