Audio Amp, Usb2.0* 2 - Clevo M540J Service Manual

AUDIO AMP, USB2.0* 2

C 446 1u_0 4
Z290 1 R25 6 10K_ 04_1 % Z29 02
[2 7] F RONT-R
Z29 03
Z29 04
C 746
10 u_0 8
AMPG
AMP G
C 387 1u_0 4 Z29 05
Z290 6 R22 0 10K_ 04_1 % Z29 07
[2 7] F RONT-L
PC BEEP
+3V
+3V
C2 21 0. 1u_0 4
R132
10K _04
1
[ 25] H8B EEP
4
Z2 909
2
+3V
U 10
C2 14 0. 1u_0 4 7 4AH C1G 08 R134
1M
1
4
Z2 910
2 C2 24
U1 2 22 00p
74 AHC 1G14
+5V S
U 15
4 3
VIN VIN
2
G ND
5 1
+VC CUS B2
VOU T VOUT
C 316 C29 7 R T97 01C BL C322 C305
0. 1u_0 4 10u_08 10u_ 08 0.1u _04
Mini 20 Mil
C447 47 u/6.3 V_B
R4 43 10K _04 _1%
C742 6 p +5V S_AMP
+5VS _AMP
U 30
21 7
RLI NEIN LVd d
20 1 8 R 441
RH PIN RVd d
1 00K _04
19
RBY PAS S
6 1 4 Z29 08 R 445 10 0K_ 04 SE /BTL#
LBY PAS S SE /BTL
1 6
HP /LINE
1
GN D/HS
12
GN D/HS
13 AMPG LP4
GN D/HS
24 FCA 3216 K4-1 21T03
GN D/HS
25 2 2 SPK R+ 4 5 DD -SP KR+
THR EM/ GND R OUT+
26 1 5 SPK R- 3 6 DD -SP KR-
THR EM/ GND R OUT-
27 1 0 SPK L- 2 7 DD -SP KL-
THR EM/ GND L OUT-
28 3 SPK L+ 1 8 DD -SP KL+
THR EM/ GND L OUT+
29
THR EM/ GND
30
THR EM/ GND
MUTE_IN
31 1 1
THR EM/ GND MU TE IN V OL_ MUTE [25]
32 9 MUTE_O UT
THR EM/ GND MUTE OU T
33 8
THR EM/ GND SH UTD OWN
2
TJ
1 7
NC
5 2 3
LHP IN NC
4
LLIN EIN
A PA2 020A
C709 5 p
C718 47u/ 6.3V _B
H EAD PH ONE -L
R406 1 2K_0 4_1 %
C 719 R4 20
M540J R406 = 10K_1%
6 80p 1K _04_ 1%
AMPG AMP G
H8_B EEP [27 ]
J AUDI O
TO AUDIO BOARD
USB CONN.
15 1
16 2
J AUD IO1
1 2
SE /BTL #
3 4
HE ADP HON E-R
+V CCU SB2
5 6
HE ADP HON E-L
7 8
IN T_MI C
9 10
[27] LFE 11 12 U SB_PP3 [17 ]
[27 ] MIC_1 U SB_PN3 [17 ]
13 14
15 16
8 7216 -1606
H EAD PHONE -R
C75 0 R 459
680 p 1 K_0 4_1%
AMP G A MPG
JS PK_2
J SPK_ 14
4
4
3
2
1
1
*85 204 -040 01
C P6
* 8P4 CX18 0p
FOR M540J
JS PK_1
1
2
3
4
85 205-0 400
JSP K_15
CP 5
8P4CX1 80p
1 4
FOR M550J
+5 VS_AMP
+5V S L19 INT_MIC
H CB 2012 K-50 0T40
C7 04 C7 05 C39 2 C 706 C7 45
0.1 u_04 10u _08 10u_ 08 0 .1u_ 04 0.1 u_04
AMP G
R 191 10 K_04
US B_OC1# [17]
R19 2 5 .1K_ 04
+VCC USB 2 +3 V [ 4,15 ,17,1 8,19 ,20,2 1,22 ,26, 31,3 2,33]
+5 VS [8,1 5,19 ,20,2 1,23 ,25,2 6,27 ,30, 31]
+VCC USB 2
Schematic Diagrams
Sheet 28 of 44
AUDIO AMP,
USB2.0
JI NTM IC_1 5
2 1
JI NTMIC_1
1
C2 82
2
33 0p 88 266 -020 0
L42
HC B2012K- 500T40
C7 56 0.1u _04
C7 58 0.1u _04
C7 57 0.1u _04
C7 55 0.1u _04
A MPG
AUDIO AMP, USB2.0* 2 B - 29