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174
8170 N/B MAINTENANCE
1
2
3
6
5
47
AOUT_R
AOUT_L
VR1
10K
From U15
front page
C710 2.2U
C709 2.2U
R678 10K
R677 10K
C693 470P
R667 15K
C694 680P
C708 2.2u
C707 2.2u
R676 10k
R675 10k
C691 470P
R665 15k
C692 680P
SPK_OFF
5
4
2
3
1
C210 220U
C166
100U
C206
0.1U
C168
0.1U
U18
Amplifier
TPA0202
RLINE IN
RHP IN
21
20
LLINE IN
LHP IN
4
5
18
7
RVDD
LVDD
11
MUTE IN
MUTE OUT
SHUTDOWN
9
8
R548 22
L47
120Z/100M
5V_AMP
From U17
R143
1K
SPKROUT+
SPKROUT-
SPKLOUT+
SPKLOUT-
R OUT+
R OUT-
L OUT+
L OUT-
22
15
3
10
SE/BTL#
HP/LINE#
14
16
1
2
1
2
R
L
J19
Line Out
Phone Jack
J20
J18
Internal
Speaker
Connector
AUDIO OUT
R666 10K
R664 10K
7
8
9
2
1
3
4
L536
PLP3216S
L524 120Z/100M
C689
100P
C204 220U
R122
1K
C688
100P
L529 120Z/100M
L523 120Z/100M
+3VS_SPD
+3VS
Q514
DTA144WK
5V_AMP
R673
4.7K
R685
10K
-DECT_HP/OPT
Q515
DTA144TKA
Q10
DTA144TKA
5V_AMP
R659
4.7K
R102
47K
R113
100K
Signal HI LOW
SPK_OFF Shut Down Normal
-DEVICE_DECT
L532
PLP3216S
2
1
3
4
From U15
front page
SPDIFOUT
L527
120Z/100M
L537
L538
120Z/100M
L531 120Z/100M
LINE_OUT_5
LINE_OUT_2
C717 4.7U
C718 4.7U
+3V_ICH
Q16
DTC144TKA
+5VS
R166
10K
P17
P17
P17
8.14 Audio Failure
No sound from speaker after audio driver is installed.