5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
L:MUTE
H:ACTIVE
H:MUTE
L:ACTIVE
H:MUTE
L:ACTIVE
(500ms Fade On)
Headphone max volume
Headphone and speaker difference
Default Output
F/W control
L:MUTE
H:ACTIVE
LM312-004-TF1-3
Audio Mute
WDR831
C
AUDIO STEREO AMPLIFER
B
11
27
Thursday, December 13, 2007
Title
Size
Document Number
Rev
Date:
Sheet
of
6011HP_ROUT
RLINEIN
SPK_R-
6011HP_LOUT
SYS_MUTE
HP_MUTE
AVIN_SW
LHPIN
SPK_L+
RHPIN
HP_MUTE
SPK_
R+
LLINEIN
IO_MUTE
HP_MUTE
SYS_MUTE
SPK_R+
SPK_L-
SPK_L+
SPK_R-
SPK_L-
AVIN_SW (25)
HP1_DET (3)
DAC-RIN
(12)
DAC-LIN
(12)
HP2_DET (3)
HP_L_OUT (3)
VOLUME (14)
HP_R_OUT (3)
SYS_MUTE (12)
IO_MUTE (25)
+5V_AUD
+5V_AUD
+5V_AUD
+5V_AUD
+5V_AUD
+5V_AUD
+5V_SYS
+5V_SYS
R24
100/J/0603
R34
1K/J/0603
2
1
R55
100K/F/0603
C54
1U/16V/0603
TC17
100U/6.3V/B
1
2
D6
MA2J728
A
K
TC1
47U/10V/B
1
2
R417
2.2M/J/0402
R450 0/J/0603
R29
4.7K/J/0603
Q4
PMBS3904
B
E
C
TC18
100U/6.3V/B
1
2
+
D5
1N4148
A
K
Q9
2SD1328
B
E
C
TP170
TP171
C326 1U/16V/0603
R4
18
2.2M/J/0402
Q46
PMBS3906
C
E
B
EC2
220U/6.3V/6.3*5.8
1
2
C228
0.1U/25V/0603
R23
1M/F/0603
R86
100K/F/060
3
TP172
C5
NC
D7
MA2J728
A
K
R58
100K/F/0603
+
D2
1N4148
A
K
R87
100K/
F/0603
U7
TPA6011A4
6
5
1
2
3
4
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
RIN
RLINEIN
PGND1
ROUT-
PVDD1
RHPIN
VDD
LIN
LLINEIN
LHPIN
PVDD2
LOUT-
PGND2
LOUT+
SHOTDOWN
FADE
BYPASS
AGND
SEMAX
SEDIFF
VOLUME
HP/ LINE
SE/BTL
ROUT+
GND
C325 1U/16V/0603
C230
0.1U/25V/0603
R56
0/J/0603
R5
10K/J/0603
R51
1K/J/0603
2
1
C56
1U/16V/0603
TP169
R49
10K/F/0603
C55
1U/16V/0603
R419 NC
C57
1U/16V/0603
R35
10K/F/0603
R449 0/J/0603
Q10
2SD1328
B
E
C
R27
1K/J/0603
TP6
NC
R57
100K/F/0603
SPKR+
SPKR-
SPKL+
SPKL-
J5
4P/2.0/RA/WAFER
G1
G2
1
2
3
4
EC1
220U/6.3V/6.3*5.8
1
2
C39 1U/16V/0603
D8
BAV70-F
K
A
J
C229
0.1U/25V/0603
Содержание PET831
Страница 9: ...3 0 INSTRUCTION FOR USE ...
Страница 15: ...4 0 MECHANICAL INSTRUCTION 19 Finally we will get the back cabinet ...
Страница 21: ...5 0 TROUBLESHOOTING SYMPTOM NO SOUND FROM HEADPHONE ...
Страница 24: ...6 0 OVERALL BLOCK DIAGRAM ...
Страница 52: ...PET831 main board TOP Layer ...
Страница 53: ...PET831 main board BOT Layer ...
Страница 54: ...Eject KEY TOP 5 direction KEY TOP LCD Turn board TOP ...
Страница 55: ...Eject Key BOT 5 direction key BOT LCD Turn board BOT ...
Страница 56: ...TOP Key TOP Layer ...
Страница 57: ...TOP Key BOT Layer ...
Страница 58: ...8 0 EXPLODED VIEW DIAGRAM SERVICE PART LIST 330 320 310 300 200 220 110 360 210 360 100 120 500 ...