Audio Codec Alc662 - EUROCOM TN120T Service Manual

Schematic Diagrams

Audio Codec ALC662

Sheet 21 of 37
22 KBC _MU TE#
12 SB_MUTE#
Audio Codec
ALC662
B - 22 Audio Codec ALC662
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3 .3VS _ AUD
C27 6 C 507
10U _1 0V_08 0.1U_16V_0 4
3. 3VS 3.3VS_AUD
L4 3 HC B100 5KF-1 21T20
C506 C 26 3 C2 98
0. 1U _16 V_04 1 0U _10 V_08 0. 1U _16V_0 4
3.3VS_AUD
R1 65 *100K_0 4 U1 3
D 10 C A SCS751V-4 0 4
PD #
D 11 C A SCS751V-4 0
SPK O UTL+ 40
SPK- L+
SPK O UTL- 41
SPK- L-
Low mute!
SPK O UTR- 44
SPK- R-
SPK O UTR+ 45
SPK- R+
47
SPD IFC2/EAPD
SPDIFO 48
SPD IFO
2
G PIO 0
3
G PIO 1
C 292 22P_50V_ 04
DIGITAL
5
1 2 AUD _AZ_SD OUT
SD ATA-OUT
6
1 2 AUD _AZ_BI TCL K
BI T- CLK
R 177 22 _0 4 8
1 2 AZ_ SDIN 0
SD ATA-I N
10
1 2 AUD _AZ_SY NC
SY NC
11
12 AUD _AZ_RST#
R ESET#
BEEP R18 4 10K_ 04 C 30 6 1U_ 6. 3V_04 12
PC BEEP
R18 5 1K_0 4
C3 07 100P_5 0V_04
AU DG
PC BEEP
BEEP
C51 0 1U _6. 3V_ 04
22 KBC _BEEP
C50 9 1U _6. 3V_ 04
14 ICH _SPKR
L13
1 2
HC B2012KF-500T40
C3 16 0. 1u _16 V_04
C3 14 0. 1u _16 V_04
C3 17 0. 1u _16 V_04
C3 08 0. 1u _16 V_04
AUDG
SPKOUTR+
SPKOUTR-
SPKOUTL-
SPKOUTL+
5VS
L44
C 265 C2 68 HCB1005KF-1 21T20
5VS_AU D
1 0U_ 10 V_08 0. 1U _16V_04
U 11
4 5
OU T VI N
C 300 C266 C301 C 50 4 1
S H DN #
0 .1U_16V_04 10U_10V_ 08 0. 1U_ 16 V_04 1 0U _10 V_08 3 2
BYP GN D
*G 92 4
AUDG AU DG AUD G AUDG
C2 61 *0. 1U _16 V_0 4
R 186 2 0K_1%_04 MI C_SEN SE
13 R 187 3 9.2 K_1%_ 04 HP_ S EN SE
Sen se A
14
LIN E2-L
15
L IN E2-R
16 MIC 2-L C302 4. 7U_ 6. 3V_0 6 I NT_MI C
MIC 2-L
17 MIC 2-R C303 4. 7U_ 6. 3V_0 6
MIC 2-R
18
Sen se- B
19 R 189 2 0K_1%_04
JD REF
20 AU DG
MON O- OUT
21 C304 4. 7U_ 6. 3V_0 6 MIC 1-L
MIC 1-L
22 C305 4. 7U_ 6. 3V_0 6 MIC 1-R SPDI FO
MIC 1-R
ANALOG
23
LIN E1-L
24 C 299 1U_ 6. 3V_04
L IN E1-R
27 C 284 *10U_10V_08
VREF
AUD G
28 MIC1-VR EFO-L
MIC 1- VR EFO-L
30 MIC1-VR EFO-R
MIC 1-VR EFO-R
29 MIC2-VR EFO
MIC 2-VR EFO
32 H P- L
HP-OU T-L
33 H P- R
HP-OU T-R
35 C 281 2 .2U_6 .3V_06
C BN
MI C_SE N SE
36 MI C1-R R191
CBP
34
OPVEE
MI C1-L R190
C283
ALC 269Q QFN 2. 2U_6. 3V_06 MIC 1-VREFO- L R194
MIC 1-VREFO- R
R195
AU DG
AU DG
Layout Note:
HP_ S EN SE
Ver y clo se to Au dio Co de c
HP- R
R193
HP- L
R196
L15 H CB10 05KF- 12 1T2 0
AUD G
ALL PHONE JACK
5
4
3
2
6
SOLDER SIDE VIEW
5, 8, 9,1 0, 11, 12,1 3,1 4, 15, 17,1 8,1 9, 20, 22,2 3,2 4, 25, 29
SPEAKER CONNECTOR
J_SPK1
L2 6 FCM1 00 5KF-121T03 SPKOUTR+_ R 1
1
L2 5 FCM1 00 5KF-121T03 SPKOUTR-_R 2
2
L2 4 FCM1 00 5KF-121T03 SPKOUTL- _L 3
3
L2 3 FCM1 00 5KF-121T03 SPKOUTL+_L 4
4
C22 C 24 C2 5 C27 87212-0 4G0
180p_50 V _ 04 1 80p _5 0V_04 18 0p_50 V_04 180p_50V_ 04
6-20-41A00-104
5VS
MI C2-VREFO J_I NT MIC 1
2 1
C50 8 R 86
1U_ 6. 3V_04
4 .7K_04
J _I NTMIC 1
IN T_MIC R188 75 _1%_ 04
1
2
C 17 6
88266-02 001
6 80 P_50V_X7 R_ 04 6-20-63120-102
88266-2L
5
4
3
L1 6 FC M1005KF-10 2T02 2
6
C3 09 1
0 .01U_ 16 V_X7R_04 R 192 C 31 0 2SJ- S351-S30
6-20-B2890-006
2 20_04 1 00 P_50V_X7 R_ 04
5
4
1K_04 L19 FCM100 5KF-1 21T03 3
1K_04 L17 FCM100 5KF-1 21T03 2
6
1
4. 7K_04 C315 C 313 2SJ- S351-S30
6-20-B2890-006
4. 7K_04 100P_5 0V_ X 7R _04 1 00P_50V_ X 7 R_0 4
AUD G
5
4
75 _1%_04 L18 FCM100 5KF-1 21T03 3
75 _1%_04 L20 FCM100 5KF-1 21T03 2
6
1
C311 C 312 2SJ- S351-S30
100P_5 0V_ X 7R _04 1 00P_50V_ X 7 R_0 4
6-20-B2890-006
HEADPHONE
AUD G
BLACK
1
12, 15 ,18 ,23, 24, 25 5 VS
3.3 VS
J SPD IF1
R
L
SPDIF OUT
BLACK
J _MI C1
R
L
MIC IN
BLACK
J_HP1
R
L