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R608
0R05 1/8W
LOUT-
C617 0.47uF/16V
change R601 R613
+5V_Audio
CN602
PHONEJACK
1
2
3
5
4
R605
10K 1/10W 5%
R613
330 OHM +-5% 1/10W
R617 1K 1/10W 5%
CN604
㎝
CN603
Layout
U601
EUA6021AIIT1
56G 616 40
1
2
3
4
5
6
7
8
9
10
11
12
13
14 15
16
17
18
19
20
PGND
ROUT-
PVDD
RIN+
RIN-
VDD
LIN-
LIN+
PVDD
LOUT-
PGND
LOUT+
NC
SHUTDOWN# FADE#
BYPASS
AGND
VOLUME
SE/BTL#
ROUT+
+5V_Audio
change R603 R604
add Q602 R617
R612
10K OHM 1/4W
R601
330 OHM +-5% 1/10W
C6010.1uF
Rin
BTL mode:Low
SE mode:High
Mute mode:Low
R611 NC
add C617 C618
C609 1uF/25V
C6120.1uF
C615
NC
R616 1K 1/10W 5%
+5V_Audio
ROUT-
C610 100pF
CN604
NC/CONN
1
2
3
4
change R609
R610 R611 R612
add R616
+
C613
100uF/25V
C616
NC
C607 0.47uF/16VR607 10K 1/10W 5%
MUTE
EAR-ROUT
LOUT+
EAR-LOUT
SEL-BTL
CN601
CONN
1
2
3
4
R603
1K 1/10W 5%
Lin C606 0.47uF/16V
C618 0.47uF/16V
Q602
PMBS3904
C605
1uF/25V
R610
8.2KOHM +-5% 1/10W
ROUT+
LOUT+
+5V_Audio
+5V_Audio
+
C602
100uF/25V
R609
8.2KOHM +-5% 1/10W
C611 100pF
SEL-BTL
EAR-LOUT
+5V
add FB602
R602
10K 1/10W 5%
CN603
PHONEJACK
1
7
6
2
3
4
5
R614
1K 1/10W 5%
SEL-BTL
Q601
PMBS3904
CN601 change to
V type
FB602
BEAD
1 2
+5V_Audio
R604
100K OHM 1/10W
IC with Heat-sink(90G6258-2)
C604 0.47uF/16V
+
C614
100uF/25V
ROUT+
C603 0.47uF/16V
FB601
BEAD
1 2
EAR-ROUT
VOL
R615
1K 1/10W 5%
R606 10K 1/10W 5%
C6080.1uF