131
80
8050QMA
50QMA N/B Maintenance
N/B Maintenance
8.10 Audio Test Error-3 (Audio Out)U19
Audio
Amplifier
TPA0212
R343
1K
C345
100P
R380
1K
C365
100P
C354
100µ
R379
22
P22
J7
21
16
ROUT+
ROUT-
1
2RInternal Speaker
Connector
C341
100µ
R404
22
L83
BEAD_600Z/100M
L76
BEAD_600Z/100M
C356
1µ
C347
1µ
AMP_RIGHT
20
23
From previous page RLINEIN
RHPIN
+5VS
7,18 PVDD0/PVDD1
AGND
C342
100µ
L73
120Z/100M
C734
0.1µ
C735
0.1µ
22SPK_OFF#
GAIN1 3
R362
100K
R741
100K
GAIN0 2
J3
4
9
LOUT+
LOUT-
1
2LInternal Speaker
Connector
15,17 DEVICE_DECT
+5VS
R1
Q31
DDTC144TCA
R729
4.7K
GND
LLINEIN
AMP_LEFT
5
6LHPIN
From previous page
C360
1µ
C355
1µ
19 VDD
+AMPVDD
R61 BEAD_600Z/100M
J509 P22
No sound from speaker after audio driver is installed.
P22
P22
AGND
+5VS
R365
1.3M
SPK_OFF
From previous page
R73
0
D514
BAW56
2
13
OPTIN#
GND
R208
1K
R60 BEAD_600Z/100M
R18 BEAD_600Z/100M
R20 BEAD_600Z/100M
Drive
IC
LED
L539
BEAD_600Z/100M
SPDIFOUT 7
8
9
LINE OUT
From previous page
+VA
R400
10K
Q48
DDTC144TCA
DEVICE_DECT#
L547
BEAD_600Z/100M
3
2
1
5
4
L546 0
AGND
AGND
+VA
R775
10K
R381
4.7K
DECT_HP#OPT
+3VS
DS
G
R1
R754
10K
Q509
AM2301P
Q510
DDTC144TCA
OPTIN#
L538
BEAD
600Z/100M
DECT_HP#OPT
DEVICE_DECT#
L77 BEAD_600Z/100M
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