Service manual
Schematic Diagrams
B - 24 AC'97 Codec (71-56P00-D05)
Schematic Diagrams
AC'97 Codec
Sheet 23 of 29
AC'97 Codec
+3VS
AUD_VDD
+3VS
AUD_VDD
AUD_VDD
AUD_VDD
+3VS
AUD_VDD
AUD_VDD
AUD_VDD
AUD_VDD
+5VS
+5VS
AUD_VDD
AUD_VDD
+5VCDROM
CODECCLK14[4]
SYNC[14,24]
BIT_CLK[14,24]
SD_OUT[14,24]
CD_GND [17]
ICHSPK[14]
INT_CD_R [17]
PCMSPK[18]
INT_CD_L [17]
H8_BEEP[22]
VOLUME[22]
CRST#[14,24]
MODEM_SPK[24]
SD_IN2[14]
H8_SEL [22]
Z2362
Z2334
Z2304
INT_CD_R
SPKL1
V_REFOUT
SPKR2
Z2313
Z2331
Z2317
LINE_OUT_L
SPKL2
SPDIFO
Z2332
Z2327
INT_CD_L
Z2336
Z2305
SEL
Z2319
Z2311
Z2346
Z2337
Z2341
BEEP
Z2322
LINE_OUT_R
Z2338
Z2306
Z2358
SPDIFO
Z2333
Z2308
Z2339
Z2363
Z2310
Z2315
V_REFOUT
VOLUME1
Z2349
Z2354
Z2353
Z2344
Z2351
Z2309
Z2326
SPKR1
Z2330
Z2356
Z2335
Z2348
XTL_IN
Z2321
Z2303
Z2360
Z2302
Z2312
VOLUME1
Z2314
Z2359
Z2347
LINE_OUT_L
Z2318
Z2345
Z2340
Z2361
SEL
LINE_OUT_R
Z2350
Z2301
MIC1
MIC1
Z2355
Z2325
Z2342
Z2316
BEEP
XTL_IN
Z2307
Z2329
CD_GND
Z2320
Z2343
TZ2301
TZ2302
TZ2303
TZ2304
TZ2305
TZ2306
TZ2311
TZ2312
TZ2315
TZ2314
TZ2313
TZ2308
TZ2309
TZ2310
Z2352
EAPD
EAPD SHUTDOWN
Z2328
Z2323
Z2324
SHUTDOWN
U4
TPA0132
7
23
18
21
20 16
8
4
9
17
15
1
11
14
22
2
6
5
33
10
3
12
13
24
25
26
27
28
29
30
31
32
19
VDD
RLINEIN
PVDD
ROUT+
RHPIN ROUT-
RIN
LOUT+
LOUT-
CLK
SE/BTL
GND/HS
BYPASS
PC-BEEP
SHUTDOWN
PCB_ENABLE
LHPIN
LLINEIN
THREM/GND
LIN
VOLUME
GND/HS
GND/HS
GND/HS
THREM/GND
THREM/GND
THREM/GND
THREM/GND
THREM/GND
THREM/GND
THREM/GND
THREM/GND
VDD
C469
1UF
R84 22
C461 0.1UF
L18
FCM1608K-221T06
1 2
Y5
24.576M
12
R77 10K
R83 22
R395
0
R468
10K
C439
2200PF
+
C122
10UF/10V
12
R49 4.7K
C47 0.047UF
+
C458
47UF/6.3V
1 2
R460
10K
C14
680PF
R470
169K
R20
4.7K
C479 0.1UF
U34
LVM331
1
3
4
52
+
-
O
VCCGND
C64 10U/10V
R469
100K
R66
1.5K
R464 1K
C455 1UF
R58 1.5K
R372 *7.5K
C39
0.1UF
C26
680PF
C38 1UF
C124
0.1UF
C104 0.47UF/16V
C555
0.1UF
R383
2.2K
C416 330PF
D48
RB751V
A C
C105 0.47UF/16V
C37 1UF
D49
RB751V
A C
R402 0
C508
10PF
C90
0.1UF
R396 0
C448
330PF
R38
1.5K
C83 0.1UF
C72 1000PF
C475 1UF
U55
7SZ04
2 4
53
JMIC1
ACES/CON2
1
2
1
2
R12 100K
C71 1000PF
R753
*75
JMICIN1
4
2
1
6
3
5
R48 10K
R429
*10K
R453
10K
C40
0.1UF
R37
1K
C443
*10UF/10V
JSPK1
ACES/CON4
1
2
3
4
1
2
3
4
C109
2.2UF/16V
R404
*0
L17 FCM1608K-121T06
1 2
L63
HCB3216K-800T30
1 2
R430
10K
R432
*10K
+
C440 47UF/6.3V
1 2
C103
0.1UF
R375
*7.5K
C463 1UF
C467
*0.1UF
C126 10UF/10V
R462
*0
R44
1K
C125 10UF/10V
R32
100K
U30
TC7SZ08
2
1
4
3
5
C528
10UF/10V
C24 10UF/10V
R384
*10K
JSPDIF1
4
2
1
3
5
7
8
9
10
GND2GND1
4
2
1
3
5
Vin
Vcc
GND
NC
GNDGND
C23
10UF/10V
R403
*0
R76 10K
C96
0.1UF
R75 4.7K
C539 *0.01UF
R50 10K
JSPKOUT1
4
2
1
6
3
5
C549 0.1UF
C29
0.1UF
C31
680PF
C44
0.1UF
C473
0.1UF
C507 22PF
D81
RB751V
A C
C25 10UF/10V
L19
390
C460
0.1UF
C516
0.1UF
C28
1000PF
C520
1UF
L29
BK32164S600
1
2
3
45
6
7
8
C454
0.1UF
C506 22PF
C537 0.1UF
C515
0.1UF
C13
680PF
C548 0.1UF
C77 0.1UF
L16
FCM1608K-121T06
1 2
L53
HCB1608K-121T25
1 2
CP1
8P4CX180PF
1
2
3
4 5
6
7
8
R53
1.5K
C509
0.1UF
L26
HCB3216K-800T30
1 2
R45
1.5K
C485 0.1UF
R11
1K
C46
0.1UF
R9
1K
C495
1UF
ALC202A
U32
AD1886
43
44
45
46
47
48
39 40
41
31
32
33
34
26
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
27
28
29
30
35
36
37
38
42
25
GPIO0
GPIO1
ID0#
ID1#
EAPD/DJ
SPDIFO
HP_OUT_L NC
HP_OUT_R
VRAD
VRDA
DCVOL
Vaux
AGND
VDD
XTL_IN
XTL_OUT
GND
SDATA_OUT
BIT_CLK
GND
SDATA_IN
VDD
SYNC
RESET#
PC_BEEP
PHONE
AUX_L
AUX_R
VIDEO_L
VIDEO_R
CD_L
CD_GND_REF
CD_R
MIC1
MIC2
LINE_IN_L
LINE_IN_R
VREF
V_REFOUT
AFILT1
AFILT2
LINE_OUT_L
LINE_OUT_R
MONO_OUT
AVDD
AGND
AVDD
R391
1.5K
CODEC
靠近
PLEASE PLACE CLOSE CODEC &
AMP THE POWER INPUT PINS
REMOVE M/E POSITION
Mic In
(C)
(A)
SPDIF OUT
SPK OUT
(B)
ID0 ID1
X X 24M
X 1 14M
1 1 14M
PLEASE PLACE CLOSE THE
POWER INPUT PINS