MiTAC 7521 N - Page 113

112
7521
7521
N/B MAINTENANCE
N/B MAINTENANCE
U22
U22
SIS
SIS
630
630
U5
U5
CS4299
CS4299
CODEC
CODEC
20
21
4
5
AC97_RST#
AC97_SDOUT
AC97_SDIN0
AC97_SYNC
AC97_BITCLK
11
5
8
10
6
AC’97
CODEC LINK
36
AOUT_R
R64
R63
R51
R50
C84
C83
AOUT_L
35
R33
R34
R39
R38
C73
C72
RHP IN
RLINE IN
LLINE IN
LHP IN
ROUT+
ROUT-
LOUT+
LOUT-
22
15
3
10
C7
U6
TPA0202
Amplifier
SPK_OFF
VR501
Drive
IC
LED
5
4
2
3
1
8
9
7
VA
+5V
L32
L16
L26
L18
L31
L27
L20
R42
R41
J510
+3V
R37
Q7
R45
Q6
+3V
DEVICE DECT#
DECT HP#/OPT
Q8
+5V
L21
R46
6
L12
C16
R36
R31
R10
R20
Q12
+5V
R117
U18
AMP_DOWN
+3V
C579
R578
SPDIFOUT
SPDIF
C55
C67
J514
CHARGE
B.D
7.10 AUDIO FAILURE
AUDIO OUT
No sound from speaker after audio driver is installed.
AMP_SHUTDOWN
MUTE IN
11
R81
R207 L63
29
R82
+3V
U31
W83626F
24.576MHZ
CODEC XIN
R111
R60
L62
VA
14,16
HP/LINE
R257
Q34