Service manual

Schematic Diagrams
B - 26 AUDIO (ALC655), MDC
B.Schematic Diagrams
AUDIO (ALC655), MDC
Sheet 26 of 46
AUDIO (ALC655),
MDC
G
S D
Q53
2N70 02
AUD_VDD
T25 8
C252
0.1UF _06
+
C617 10U/10V_0805
C182
0.1U F_06
C261
0.1UF _06
C610
4.7U _0805
R545
10_06
+
C622
10U/ 10V_0805
C66
0.1UF _06
C266
0.1UF_06
C872
1000P_06
1
1
2
2
3
3
4
4
JSPK3
ACES/CON4
R541
2.2K _06
R532
10K_06
C260
0.1U F_0 6
1
2
3
45
6
7
8
L65
8P4LX120( 173)
R552
11.5K _1%_06
RVdd
18
RLINEIN
21
LVd d
7
ROUT+
22
RHPIN
20
ROUT-
15
RBYPASS
19
LOUT+
3
LOUT-
10
MUTE I N
11
SE/ BTL
14
GND/HS
1
HP/LINE
16
MUTE OU T
9
SHUTDOWN
8
LB Y PAS S
6
LH PI N
5
LLI N EI N
4
TJ
2
NC
17
NC
23
GND/HS
12
GND/HS
13
GND/HS
24
THREM/GND
25
THREM/GND
26
THREM/ GND
27
THREM/GND
28
THREM/GND
29
THREM/GND
30
THREM/ GND
31
THREM/GND
32
THREM/GND
33
U16
TPA2020 A
C207
0.1UF _06
C178
1UF/10V_06
T452
1
1
2
2
3
3
4
4
JSPK1
ACES/ CON4
R1077
0_0805
T28 2
C621
1UF/ 10V_06
4
6 2
5
7 3
1
8
Q47
4800
C242
0.1UF _06
12
C246
*22P_06
R252
22_06
T283
C212
0.1UF _06
R50
0_06
Vcc Power trace >= 60mil
T45 0
C250
0.1U F_06
R221
10K_1%_06
R223
10K_1%_06
12
C232
*22P_06
Z2638
C214
1UF /10V_ 06
T27 9
C245
6.8P_0 6
C255
0.1UF_06
R269
0_06
PLEASE PLACE CLOSE CODEC &
AMP THE POWER INPUT PINS
IN
1
IN
2
GND
3
VCC
5
OUT
4
U37
TC 7S32F
R222
*10K_1%_06
G
S D
Q51
2N7002
1 2L37
L_1206( 162)
C595
* 1UF/ 10V_06
R327
100K_06
T28 0
C593
*1U F/ 10V_06
C827
0.47U F /16V_06
C193
* 1UF/ 10V_06
C594
0.47U F /16V_06
C202
0.1U F_0 6
C624
2.2U_16V_0805
R314
1M_06
C249
0.1U F _06
1 2 3 4 5
6 7 8
CP6
8P4CX180PF(M)
+
C615
10U/1 0V_0805
T180
C619
1UF /10V _06
R525
*1 0K_1%_06
C228
0.1U F_ 06
T
Layout Trace¥[²Ê¦Ü
12~13mil
C829
* 1UF/ 10V_06
C244
0.1U F_06
C65
*0.1U_06
L67
L_0805(159)
BTL
Z2660
C248
270P_06
C243
6.8P _06
Z2659
Z2656
Z2651
AUD_AGND AUD_AGND
AUD_AGND
Z2662
AUD_5VS
AUD_AGND
AUD_A
G
AUD_AGND
Z2657
C258
10U_10V_ 1206
Z2648
Z2649
C625
0.1U F_0 6
+5VS
Z2661
C184
0.1U F_0 6
AUD_VD D
+5VS
SEL
C274
10U_10V_ 1206
+VDD5 +12V
LO-
RO-
LO+
C183
0.1U F_0 6
AUD_AGND
AUD_AGND
AUD_AGND
AUD_VDD
Z2658
C607
0.1U F_0 6
AUD_VDD
AUD_AGND
AUD_VDD
AUD_VDD
AUD_AGND
Z2650
Z2670
C626
0.1U F_0 6
AUD_AGND
AUD_VDD
AUD_AGND
AUD_AGND
AUD_VDD
Z2652
AUD_AGND
AUD_AGND
AUD_AGND
Z2681
MIC1-VREFO-L 17
AUD_AGND
AUD_AGND
AUD_AGND
AUD_AGND
Z2664
AC_SPKR 14
H8_BEEP 32
AC97-SY NC 14
PCMSPK 20
Z2655
Z2663
FRONT-R17,26
FRONT-L17,26
+5VS 9,12,15,17,19,22,23,27,28,29,32,33,34, 35
AUD_VDD 17,26
+3VS 2,5,7,8,9,10, 11,12, 13,14,15,17,18,19,22,23,24,27,28,31,32,34,35
+3V 5,10,11,12,14,15,18,19, 20,21,22,23,28,29,31,32
+12V 5,9,20,21,23,27,28,29
AC97-SDIN114
+VDD5 10,14,17,19,23,28,29,31,33,35
ICHPWROK5,17,27,32
SPDIF117
AC97-SDOUT 14
MO NO -OU T27
PRE_LOUT26
PRE_R OUT26
PRE_LOU T26
PRE_ROUT26
RO+
SEL17,27
AC97_CLK14
H8_MUTE 22
BEEP
LINE_R
LINE_L
INT_CD_R
INT_CD_L
CD_GND
Z2644
Z2639
Z2640
7/12 R541 staff for flas h H8 sound issue
Z2604
Z2669
C950
0.01U _06
R877
1.5K _06
R876
1.5K _06
C951
0.01U _06
R872
100K_06
Z2653
R878
1.5K _06
R880
10K_06
C956
1UF/ 10V_06
R879
1.5K _06
T256
R875
1.5K _06
C947
0.01U _06
C955
1UF/ 10V_06
R873
100K_06
R874
1.5K _06
C948
0.01U_ 06
C952
1UF/ 10V_06
C957
1UF/ 10V_06
A C
D74
RB751 V
C946
0.01U _06
C949
0.01U_06
C953
1UF/ 10V_06
C954
1UF/ 10V_06
+3VS
MI C 1-L 1 7
INT_CD_L 34
CD_GND 34
INT_C D_R 34
AGND
EAPD
LINE_R 17,19
LINE_L 17, 19
AGND
AC97-RESET# 14
Z2608
Z2680
PIN 32,34 INT PU.
Z2602
Z2635 Z2642
AC97-SY NC
AC97-SDIN1
Z2630
Z2628
Z2601
Z2682
Z2624
Z2629
Z2605
AUD_VDD
AC97-SDIN0 14
Z2612
Tied at one point only under the
codec or near the codec
Z2667
Z2626
MIC1-VREFO-L
Z2631
Z2623Z2616
Z2617
Z2672
AUDI O_L 19
AUDI O_R 19
MI C 1-L
Z2607
Z2677
Z2606
Z2618
Z2610 Z2611 Z2609
Z2615
Z2603
Z2614
Z2613
Z2627
Z2625
+3VS
+3V
R-A/M 1.25mm
SEL
Z2654
Z2666
AC 97- BCLK Z2632
Z2665
Spilt by DGND
FRONT
6-20-C2D10-206
MDC MODEM
R-A/M 1.25mm
6-20-43130-104
Z2622
Z2620
Z2619
Z2621
Z2634
Z2633
Z2637
Z2636
For ALC650
24.576MHz
Z2643
SURROUND
Z2645
8/3 C227 from 68p change to 47p
6-20-41120-104
BTLSEL
AUDIO_R
AUDIO_L
AC97-BCLK 14
Z2678
Z2679
Z2641
Z2646
Z2647
T85 9
RO-_R
RO+_R
LO-_R
LO+_R
Z2675
Z2668
AC97-SDOUT
R524
*10K_1% _06
T33 5
1 2
3 4
5 6
7 8
9 10
11 12
JMDC1
AMP/ CON12
R549
*0_06
C295
*4. 7U_0805
C826
0.47U F/ 16V_06
C620
1UF / 10V_06
T
R266
*1M _06
C192
* 1UF/ 10V_06
C873
1000P_06
C227
47P_06
C830
0.1U F_0 6
C247
0.1U F_06
C618
*1U F/10V _06
R224
*10K_1%_06
C589
1UF/10V_06
R225
10K_1%_06
DVDD1
1
GPIO0
2
GPIO1
3
DVSS1
4
SDATA-OUT
5
BIT-CLK
6
DVSS2
7
SDATA-IN
8
DVDD2
9
SYNC
10
RESET#
11
PCBEEP
12
Sense A
13
LI NE2-L
14
LINE2-R
15
MI C 2-L
16
MI C 2-R
17
CD-L
18
CD-GND
19
CD-R
20
MI C 1-L
21
MI C 1-R
22
LI NE1-L
23
LINE1-R
24
AVDD1
25
AVSS1
26
VREF
27
MIC1-VREFO-L
28
LINE1-VREFO-L
29
MIC2-VREFO
30
LINE2-VREF O
31
MIC1-VREFO-R
32
DCVOL
33
Sense B
34
FRONT-L
35
FRONT-R
36
LINE1-VREFO-R
37
AVDD 2
38
SURR -L
39
JDREF/NC
40
SURR -R
41
AVSS2
42
CEN
43
LFE
44
SIDESU RR -L
45
SIDESU RR -R
46
SPDI FI/EAPD
47
SPDI FO
48
U18
ALC655
C185
0.1U F _06
L66 L_0805(159)
1 2 3 4 5
6 7 8
CP7
8P4CX 180PF( M )
C602
1UF /10V_06
T181
R226
10K_1%_06
R779
*0_06
1
2
3
4 5
6
7
8
L16
8P4LX120( 173)
T284
T281
RVdd
18
RLINEIN
21
LVdd
7
ROUT+
22
RHPIN
20
ROUT-
15
RBYPASS
19
LO UT+
3
LOUT-
10
MU TE IN
11
SE/BTL
14
GND/HS
1
HP/LINE
16
MU TE OUT
9
SHUTD OWN
8
LBYPASS
6
LHPIN
5
LLINEIN
4
TJ
2
NC
17
NC
23
GND/HS
12
GND/HS
13
GND/HS
24
THREM/GND
25
THREM/GND
26
THREM/GND
27
THREM/ GND
28
THREM/GND
29
THREM/GND
30
THREM/GND
31
THREM/ GND
32
THREM/GND
33
U17
TPA2020 A
R554
10K_1%_06
C221
0.1U F _06
C606
1UF/10V_06
R553
10K_1%_06
R550
* 0_06
T45 1
T25 9
T25 7
R271
11.5K _1%_06
C612
100P_06
+
C611
10U/ 10V_0805
C609
4.7U _0805
L15
L_0603( 164)
C592
0.47U F/ 16V_06
1 2
Y3
*24. 576MH z
21S1
SHOR T
C251
270P_06
C623
2.2U_16V_0805
C828
*1U F/1 0V_06
AC
D67
RB751V