60
12) Audio Amplifier
GAIN0
GAIN1
AMP_SD
AUD_SHDN
PD_MUTE
C637
0.1uF 50V
R646
10K 1/10W 5%
R651
10K 1/10W 5%
Q602
MMBT3904
C654
0.22uF
R665
NC
1
2
FB609
NC/600 OHM
C641
0.22uF
+
C634
470UF35V
R670
NC
R634
10K 1/10W 5%
C655
0.001uF
Q604
MMBT3904
AMP_BYPASS
C643
NC/1uF
Q605
NC
L603
22uH +-25%
R672
0R05 1/10W 5%
C636
0.1uF 50V
+
C652
1000UF35V
L602
22uH +-25%
Q603
MMBT3904
R639
680R 1/10W 5%
C633
1uF
R669
NC
R661
2K OHM 1/4W
R664
NC/0R05 1/10W 5%
C644
0.22uF
R648
100K 1/10W 5%
D602
LL4148
C653
NC/1uF
C657
0.1uF 50V
D603
LL4148
R636
100K 1/10W 5%
R660
NC
R637
NC
R641
NC
1
2
3
4
CN606
CONN
+
C656
470UF35V
R674
NC
1
2
D601
RB160M-60TE25
R656
2K OHM 1/4W
R640
20K 1/10W 5%
R658
NC
U603
NC/AS431AN-E1
R643
NC
+
C629
470UF35V
R654
NC
R667
NC
R662
NC
R644
100K 1/10W 5%
C650
1uF
R647
NC
C648
NC
R666
NC
R649
0.5 OHM 2W
R645
1K 1/10W 5%
R632
NC
C659
NC
R671
0R05 1/10W 5%
C640
NC
R655
NC
R668
NC
C631
0.1uF 50V
C651
1uF
C660
NC
R635
51K 1/10W 5%
R673
NC
L601
NC/33 OHM
C630
1uF
L606
NC/33 OHM
R642
10K 1/10W 5%
R650
NC
C649
0.22uF
+
C638
1000UF35V
R657
0 OHM 1/3W
R638
NC
R663
NC/0R05 1/10W 5%
C658
NC
R652
0 OHM 1/3W
D604
NC/LL4148
1
2
FB610
NC/600 OHM
U601
AS431AN-E1
PVCCL
1
SD
2
PVCCL
3
LIN
5
RIN
6
MUTE
4
BYPASS
7
AGND
8
AGND
9
PVCCR
10
VCLAMP
11
PVCCR
12
PGNDL
24
PGNDL
23
LOUT
22
BSL
21
AVCC
20
AVCC
19
GAIN0
18
BSR
16
GAIN1
17
ROUT
15
PGNDR
14
PGNDR
13
TH1
25
U602
TPA3121D2PWPR
C635
1uF
C645
0.001uF
C632
NC
A24V
D3V3
A24V
A24V
A24V
A24V
A24V
VCC5D
A24V
A24V
+5VSB
P24V
D3V3
A24V
D3V3
A24V
AUD_SHDN
8
AMP_RIN
11,13
P12V
P12V
PD_MUTE
13
AUD_AMP_MUTE
8
AMP_LIN
11,13
PD_MUTE
A_MUTE
AUD_AMP_MUTE
AMP_SD
AMP_RIN
AMP_LIN
C646
33nF
C642
33nF
AMP_BYPASS
AMP_SD
20
L+
1
0
26
1
1
R-
R+
36
For TPA3123
0
0
R
0
L
L-
GAIN(dB)
GAIN1
4P S/T 2.5mm
1
GAIN0
16.2mm
O=1.8mm
3mm
6.2mm
25mm
HEAT SINK
Q90G6119
5
32
33G3278 4D
R659
0R05 1/10W 5%
R653
0R05 1/10W 5%
GAIN0
GAIN1
Summary of Contents for L42C1180
Page 7: ...7 2 2 To Use the Menus ...
Page 8: ...8 ...
Page 9: ...9 ...
Page 10: ...10 ...
Page 11: ...11 ...
Page 12: ...12 ...
Page 13: ...13 ...
Page 14: ...14 ...
Page 19: ...19 4 Mechanical Instructions Step1 Remove the REAR COVER and BASE Step2 Remove the BKT ...
Page 20: ...20 Step3 Remove the BKT Step4 Separate the INVERTER BOARD ...
Page 21: ...21 Step5 Remove the MAIN BOARD and POWER BOARD Step6 Separate the BEZEL and PANEL ...
Page 22: ...22 Step7 Remove the LED BAORD IR BOARD KEY BOARD and SPEAKERS ...
Page 30: ...30 6 PCB Layout 6 1 Main Board 715G3269M01001005K ...
Page 31: ...31 ...
Page 32: ...32 6 2 Power Board 715G3760P01W20003M ...
Page 33: ...33 ...
Page 34: ...34 ...
Page 35: ...35 715G3967P01000003S ...
Page 36: ...36 715G3966P01000003H ...
Page 37: ...37 6 3 LED Board 715G4252T02000004S 6 4 Key Board 715G4234K02000004S ...