Service manual
ViewSonic Corporation Confidential - Do Not Copy VX1935wm-1
48
Model
Title
Date Rev:
ViewSonic Corporation
POWER
3.3V5V
5V
5V
5V
VDD+5
5V
VCC
VDD+5
5V
5V
5V
VOLUME
PWR_LEDG
PWR_LEDB
PWR_EN
AMP_MUTE
AMP_STBY
BL_EN
BL_BRIGHT
SW4_VOL+
SW5_MENU
PWR
SW1_AUTO
SW2_VOL-
BK_EN
VOLUME
LED_G
LED_B
SW3_POWER
STBY
MUTE
BL_ON/OFF
BL_ADJBK_PWM
STBY
MUTE
BL_ON/OFF
BL_ADJ
SW4_VOL+
SW5_MENU
SW1_AUTO
SW2_VOL-
R408
10K 1/16W
C408 0.1uF/16V
U402
G1117-33
3
1
2
4
VIN
GND
VOUT
VOUT
Q403
PMBS3904
R427 4.7K 1/16W
C404
0.1uF/16V
R417 1K 1/16W
C416
0.1uF/16V
D4023.6V
R415
4.7K 1/16W
C422
10uF/16V
C403
0.1uF
C406 0.1uF/16V
U401
AIC1084-33PM
3
1
2
VIN
GND
VOUT
C418
0.1uF/16V
R403 100 1/16W
R412
NC
C411 0.1uF/16V
Q405
NC
R410
NC
C407 0.1uF/16V
C612 0.1uF/16V
C613 0.1uF/16V
VDD+5
5V
3_3V
R418 1K 1/16W
+
C405
100uF/16V
C420
0.1uF/16V
C413
10uF/16V
R425
0 1/16W
C415
0.1uF/16V
R424
0 1/16W
R429
10K 1/16W
R428
NC
C414
10uF/16V
R411 4.7K 1/16W
R407
0 1/16W
R406 22 1/16W
C410 0.1uF/16V
Q402
PMBS3904
R404 47 1/16W
+
C402
47uF/16V
R420
NC
R426 NC
R405 22 1/16W
C421
0.1uF/16V
R413 4.7K 1/16W
Q401
NC
Q406
PMBS3904
R422
10K 1/16W
Q404
AO3401
G
D
S
R416 NC
R409
NC
R423
51K 1/16W
C409 0.1uF/16V
R419 4.7K 1/16W
C417
0.1uF/16V
CN401
CONN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
D4013.6V
C412 0.1uF/16V
C419
1uF/16V
R421
4.7K 1/16W
C401
0.1uF
R414 NC