AOC L19W461 Service Manual page 48

19'' LCD TV
U401G
Audio
P4 ADATAI0
ADATAI0
U2 ADATAI1
ADATAI1
T1
ADATAI2_DDXLA
R2 R481
ACLK
R3 R482
BCLK
P3 R485
LRCLK
T2
ADATAO0_DDXLB
N4
ADATAO1_DDXRA
U1
ADATAO2_DDXRB
V1
IEC958
ZR39660BGCG
ACLK
ACLK
BCLK
BCLK
LRCLK
LRCLK
SPDIF
C695
0.1uF
D5V
R4F7
10MΩ 1/10W
U418A
1 2
MM74HC14MX
R4G1 R4G0
IEC958O NC/1M
330Ω 1/10W
SRS_ROUT
C603
1uF
R601
82KΩ 1/10W
R602
C602
SRS_LOUT 20KΩ 1/10W
4.7uF
EMI issue need to add BEAD
R474
10KΩ 1/10W
VCC3V3_G9
R473 R4D9
10KΩ 1/10W 10KΩ 1/10W
AUX_DATA U405
ACLK +5V_AUDIO
TU_DATA
1 8
SDATA AOUTL
BCLK 2 7
DEM/SCLK VA
LRCLK 3 6
LRCK AGND
4 5
MCLK AOUTR
22Ω 1/10W
22Ω 1/10W ADATAO0
CS4335-KSZ
22Ω 1/10W
D5V
IEC958O
(IEC 958 Audio Out)
+
Q6A4
R614
0Ω 1/10W
AUD_L SRS_LOUT
AUD_R SRS_ROUT
R615
0Ω 1/10W
MUTE_H
1KΩ 1/10W
R6A5 D6A2
1N4148W
SIGNAL & CONTROL INPUT
10KΩ 1/10W
R489
+5VSB
0Ω 1/10W
R616 MUTE_H
AUD_DOWN
C614
0.1uF
FB601
C615
4.7uF/25V 600OHM
D5V
AMP_LIN 1
V+
2
OUTa
SRS_LOUT 3
INa
4.7uF/25V C611 4
INT
+ 5
VREF SENSE
0.022uF C610
C613 0.22uF
D5V
R4P9 must near to U418
U418B C6B0 0.033uF
R4P9
10Ω 1/10W
3 4 C6B3 0.01uF U6A2
SPDIF_OUT
1
FIL1
C6B7 0.47uF
MM74HC14MX 2
FIL2
C6D0 3
FIL3
0.33uF/16V
4
VOL2
5
VOL1
R6B3 10KΩ 1/10W
6
Vref IN
7
Vref
C6D7
1uF NC/ NJM2199
C6E1
10uF/16V NC/100uF
R600 ROUT
C604
4.7uF 20KΩ 1/10W
LOUT
R604
20KΩ 1/10W
1 8
BY P IN1
C606 470uF/6.3V
2 7
GND VO1
D5V
3 6 C605
SD VDD
FB600 470uF/6.3V
4 5 C600 +
IN2 VO2
0.1uF C601
47uF/16V
EAR-D
U600
TPA6110A2DGNRG4
R603
20KΩ 1/10W
Supply Bypass, Audio DAC
D5V
R476
270KΩ 1/10W R4K3
10KΩ 1/10W
C4K0 R4K7
100KΩ 1/10W
0.0015uF
R4K5
C4J8 10uF/16V 560Ω 1/10W AUD_R
C4J9 10uF/16V AUD_L
R4K6
560Ω 1/10W
R483
270KΩ 1/10W
R4K4 C4K1 R4K8
10KΩ 1/10W 100KΩ 1/10W
0.0015uF
D5V
MUTE
R6D8 2SC2412KR
10KΩ 1/10W
D5V
D5V C616
4.7uF
R6A1
10KΩ 1/10W
NC
MUTE_INV MUTE_INV R6E2 SHUTDOWN
Q6A2 Q6A3
D5V
U601
10 AMP_RIN
GND
9 C620 R620
OUTb
8 SRS_ROUT AMP_RIN 10uF/16V
INb
7 C612 4.7uF/25V R606
270Ω 1/10W
SW
6 LIMIT_SW 10KΩ 1/10W R621
R605 R608
NJM2761RB2
15KΩ 1/10W 2KΩ 1/10W
C621 R622
R6B0 AMP_LIN 10uF/16V
NC/0
270Ω 1/10W
SRS_LOUT AMP_LIN
R623
R6B1 NC/0
SRS_ROUT AMP_RIN
L6A7 100uH +-20%
D12VA D12V
14 C6B6 NC/10uF AUD_L
LIN
13 C6B8 NC/10uF AUD_R
RIN
12 SRS_LOUT
LOUT
11 SRS_ROUT
ROUT
10
MODE
9 R6B2
GND 10KΩ 1/10W
8
V+ SRS_SW
AVDD
+ C6E0
C6D9 1uF
GAIN0
GAIN1
SRS_ROUT
SRS_LOUT
CN600
5
0Ω 1/10W
R610 EAR_R 4 EAR-D
EAR_R
3 EAR_R
0Ω 1/10W
R611 EAR_L
EAR_L
2 EAR_L
6
7
1 ZD600
EAR-D EAR_DET PHONEJACK
EAR_DET
FB604 300 OHM
Audio AMP
48
FB402
600OHM
+5V_AUDIO
C478 C479 C480 C481
0.1uF + C477 0.1uF 0.1uF 0.1uF
47uF/16V
R6D1 NC
FB6A1
L6A2
ROUT- 1 2 1 2
1 2
CN6A3
300 OHM
C6A1
0.1uF C6A2 SPK_R- 1
C6A3 0.001uF 2
0.47uF SPK_R+
PGND
L6A4 FB6A2 C6A4 CONN
ROUT+ 1 2 1 2 0.001uF
1 2
300 OHM
C6A5
0.1uF
PGND
R6D2 NC
D12V
4.7uF/25V
C6F2
C6F6 D12V D12V
C6A6 0.1uF
C6F3 C6A9 C6F5 0.1uF
4.7uF/25V 0.01uF
U6A1
SHUTDOWN 1
SD VLAMPR
C6B1 2
RINN NC
4.7uF 25V
C6B4 3
RINP MUTE
4.7uF 25V
C6B9 4
V2P5 AVCC
4.7uF/16V
C6D2 5
LINP NC
4.7uF 25V
C6F7 4.7uF 6
LINN NC
7
AVDDREF FADE
33KΩ 1/10W 18KΩ 1/10W
R6B5 R6B4 8
VREF AVDD
GAIN0 9
AGND COSC
GAIN1 10
AGND ROSC
11
VOLUME AGND
12
REFGND VCLAMPL
TPA3003D2PFBRG4
C6E5
C6E6 0.1uF
0.01uF C6E4
0.1uF D12V
D12V
R6D3 NC
L6A9 FB6A3
LOUT- 1 2 1 2
1 2
300 OHM
C6E7
0.1uF C6E8 SPK_L- 1
C6E9 0.001uF 2
0.47uF SPK_L+ 3
PGND
L6B1 FB6A4 C6F0
LOUT+ 1 2 1 2 0.001uF
1 2
300 OHM
C6F1
0.1uF
PGND
R6D4 NC
ZD602
Title
Page 14 - Audio AMP
Size Document Number
C T2142-F-X-X-3-061101
Date: Thursday , Nov ember 02, 2006
AOC L19W461
C6A8
0.01uF
36 C6B2 1uF
35
34 MUTE
33
D12V
C6D3
32 C6B5
D5V
31 0.1uF NC
R6B9
30
AVDD C6D5
29 R6D0
0Ω 1/10W
0.1uF
28 C6D6 220pF
27
R6B6 120KΩ 1/10W
26
25 C6D8 1uF
C6E3
0.01uF
CN6A1
CONN
Rev
F
Sheet 14 of 19