Audio Amp2056 - Clevo M740J Service Manual

Schematic Diagrams

AUDIO AMP2056

AUDIO AMP
Sheet 29 of 47
AUDIO AMP2056
2 8 F R ON T -R
2 8 F R ON T -L
2 8 R _ H P _ OU T _A
2 8 L _H P _ OU T _ A
B - 30 AUDIO AMP2056
3 . 3 V S 5V S
C 5 5 4 *. 1 U _ X 7 R _ 1 0 V _ 0 4
Low mute!
R 32 2
C A
2 0 S B _ MU T E #
D 2 6 S C S 3 55 V 1 0 K _ 0 4
C A OP MU T E A P M # 1
2 8 E A P D _ MO D E
D 2 5 S C S 3 55 V
2
3 0 K B C _ MU T E #
R 29 0 4 . 7 K _ 0 4 Z 2 9 01 C 5 3 6 1U _ 1 0V _ 0 6
R 28 7 4 . 7 K _ 0 4 Z 2 9 02 C 5 3 7 1U _ 1 0V _ 0 6
R 28 4 0 _ 0 4 Z 2 9 03 C 5 3 1 4. 7 U _ 6. 3 V _ 0 6 R _ I N _ H P _ L R 3 00
R 49 7 0 _ 0 4 Z 2 9 04 C 5 3 8 4. 7 U _ 6. 3 V _ 0 6 L _ I N _ H P _L R 3 10
A P U D G
R 59 2
1 0 0K _0 4
5 V S
R 5 9 3 R 5 9 4
10 K _ 0 4 10 0 K _ 0 4
Z 2 91 5 G
Q 7 3
C 2 N 70 0 2 W
B Q 7 4
2 4 S P K _ H P #
D T C 1 14 E U A
E
5 V S
C 8 9 6
. 1 U _ X 7 R _ 0 4
R 5 95
1 1 0 K _ 0 4
Z 29 1 6
4 A MP _ E N #
MU T E A P M # 2
U 3 8 C 8 97
74 A H C 1 G 0 8G W
1 U _1 0 V _ 0 6
5 V S
.
L 8 9 H C B 2 01 2 K F -5 0 0 T 4 0_ 0 8
C 8 1 0
C 83 4
. 1 U _ X 7 R _ 1 0 V _ 0 4
1 0 U _ 1 0 V _ 08
.
L 9 7 F C M 1 60 8 K -1 2 1 T 06
C 8 87 . 1U _ 1 6V _0 4
C 9 26 *. 1 U _ 1 6 V _ 0 4
A P U D G
5 V S _ A MP
40 mils
C 5 30
A P U D G
* . 1 U _ X 7R _ 1 0V _0 4 C 9 0 5 R 5 5 3 C 5 6 5 C 5 48
10 0 K _ 0 4 1U _ 1 0V _ 0 6 . 1 U _ 16 V _ 0 4
. 1 U _1 6 V _ 0 4
4 MU T E A P M #
U 18 C 8 68 . 1 U _1 6 V _ 0 4 Z 29 1 0
7 4 A H C 1 G0 8 GW A P U D G
A P U D G
U 3 4
R _ I N _A MP _ C 3
R _ I N _ A M P
2 2 R _ O U T + _C
R _ O U T +
L_ I N _ A MP _C 5
L _ I N _A MP
2 1 R _ O U T -_ C
R _ O U T -
39 K _ 0 4 R _ I N _H P _ C 4
R _ I N _ H P
8 L_ O U T + _ C
L_ O U T +
39 K _ 0 4 L_ I N _ H P _ C 6
L _ I N _H P
9 L_ O U T -_ C
L _ O U T -
R 5 5 1
1 0 K _ 04 A PA20 56
Z 29 1 4
A MP _E N # 2 7
A MP _ E N #
1 7 R _ H P _ OU T_ C
R _ H P _ O U T
2 4
H P _ E N
C ne ar CP + an d CP - 1 8 L_ H P _ OU T _C
L _ H P _ O U T
Z 2 90 7 1 2
C P +
C 5 5 0 1 1 Z 2 91 1
C P V D D
2. 2 U _ X5 R _ 10 V _ 0 6
Z 2 90 8 1 4 1 9 Z 2 91 2 C 5 3 9
C P - H P V D D
1 5 1 U _ 1 0 V _0 6
C P V S S
Z 2 90 9 1 6
20 08 /0 3/ 24
H P V S S
A P A 2 05 6 A / A P A 2 05 7 A A P U D G
Z 2 91 3
C 8 7 1
C 8 8 0 C 8 8 8
2. 2U _ X 5R _ 10 V _ 0 6
1U _ 1 0V _ 0 6 . 1 U _ 1 6 V _ 0 4
A P U D G A P U D G
5 V S _ A MP
C 8 51 C 8 8 3 C 53 4 C 5 57
1 0 U _ 1 0 V _ 0 8 *. 1 U _1 6 V _ 0 4 . 1 U _ 1 6 V _ 0 4 . 1 U _ 16 V _ 0 4
C 5 3 5
. 1U _ 1 6V _0 4
R 6 12 *0 _ 0 40 2 _ 1 0m i l _ sh o rt S P K O U T R +
S P K O U T R + 24
R 6 13 *0 _ 0 40 2 _ 1 0m i l _ sh o rt S P K O U T R -
S P K O U T R - 2 4
R 6 14 *0 _ 0 40 2 _ 1 0m i l _ sh o rt S P K O U T L + L 2 F C M 1 6 08 K -1 2 1 T 06
R 6 15 *0 _ 0 40 2 _ 1 0m i l _ sh o rt S P K O U T L - L 3 F C M 1 6 08 K -1 2 1 T 06
C 8 C 6
R 6 16 *0 _ 0 40 2 _ 1 0m i l _ sh o rt
H E A D P H O N E -R 2 4
1 80 P _ 5 0 V _ 0 4 1 8 0 P _ 50 V _ 0 4
R 6 17 *0 _ 0 40 2 _ 1 0m i l _ sh o rt
H E A D P H O N E -L 2 4
R 3 0 1
5 V S _ A M P
* 0 _0 6 0 3 _3 2 m i l _ s h o rt
C 5 4 3
. 1U _ 1 6V _ 0 4
R 5 5 7
3. 3V S
R _ I N _H P _ C R _ H P _ O U T _ C
* 0 _0 4 0 2 _2 0 m i l _ s h o rt C 5 5 9 6 8 P _ 5 0 V _0 4
L_ I N _ H P _ C C 5 5 8 6 8 P _ 5 0 V _0 4 L _ H P _O U T _ C
C 87 9
Fo r Vi st a Aud io f id el it y tes t
. 1 U _1 6 V _ 0 4
A P U D G
J_S PK1
2 1
J_ S P K L 1
S P K OU T L +_ R
1
S P K OU T L -_R
2
8 5 2 0 4- 02 R
P C B F o o t p ri n t = 8 5 2 0 4-0 2 R