Audio Board - Asus VK222U Service Manual

22" LCD Color Monitor

6.3 Audio Board

715G2767-1
R223,R216 USE JUMPER
CONN
1 MUTE#
2 STANDBY
3
4
5
6 VOL
GND
CN202
cancel CN204: power to audio
CN201
1
2
3
4
5
PHONEJACK
GND
AUDIO+5V
R214
R215
NC
NC
VOL Q201
NC
GND
R223,R216 USE JUMPER
+12V
AUDIO+5V
3.6K OHM 1/4W
R224
R223
NC
C201
R217
+
NC
+ C203
C202 470uF/25V 0.1uF
ZD203
470uF/25V HZ5C1-E
GND GND
R201 18KΩ
R203 18KΩ
R212
220KΩ
C211
R210 R211
C212
100 pF
100 pF
20KΩ 20KΩ
GND
VOLUME
R216
T P V ( Top
NC
絬 隔 瓜 絪 腹
Key Component
Date
AUDIO+5V
R219 R220
10K OHM
10K OHM
+ C214
1.0uF/50V
TR.MPS3906
MUTE#
Q202
GND
+12V
C204 0.47uF/50V
4
INL
C206 0.47uF/50V
9
INR
6
VOLUME
11
STBY VAROUT_R
12
MUTE VAROUT_L
C210
C209
+ + +
C213
1.0uF/50V
1.0uF/50V
1.0uF/50V
GND GND
Victory Electronics Co . , Ltd. ) OEM MODEL
G2767-1-X-X-1-070926 TPV MODEL
02.AUDIO BOARD PCB NAME
Wednesday , September 26, 2007 Sheet
30
R221 10K OHM
D201 1N4148
1N4148 D202
R222 10K OHM
U201
E-TDA7496L
17 C205
OUTL
470uF/16V
14
OUTR
10 C207
SVR
470uF/16V
7
5
+
C208 R202 R207 R208
1KΩ
200KΩ
1KΩ
470uF/16V GND
GND
ASUS VK222U Size
TC72MPFKW3USDI Rev
715G2767-1
称爹
2 of 2
ASUS VK222U/S
MUTE
STANDBY
CN203
4
3
2
1
CONN
A
1.0
<称爹>