53
13) Audio Amplifier
+16V/+24V_SW
R7802
5.6K +-5% 1/10W
R7803
1.2K 1/10W
3
1
2
D621
BAV70
AUDIO-VDDA
POWERUP
Q606
MMBT3904
R7811
100K 1/10W 5%
Q604
MMBT3904
Q605
MMBT3906
R7807
10K 1/10W
1
2
FB780
220R/2000mA
R7805
10K 1/10W
+
C584
330uF 35V
+5V_STB
ROUT+
LOUT+
LOUT-
S
M
D
/0
402
SMD/0402
SMD/0402
SMD/0402
+
C630
470uF 25V
SMD/0402
SMD/0402
S
M
D
/040
2
SMD/0402
SMD/0402
POWERUP
C
596
100N
50
V
R
632
10
OH
M
1/
4W
C6
27
330
pF
50
V
R618
0R05 1/16W
1
TP
60
3
R6
27
22
K
1/
10W
1%
+
C684
470uF 25V
3
1
2
Q608
MMBT3904
+
C642
47uF/25V
OPCTRL4
SCART_OUT_MUTE
R629
22 OHM 1/4W
C
597
100N
50
V
DV33SB
R612
22K 1/16W 5%
R633
100R 1/16W 5%
R7964
100OHM1/16W
C691
10N 16V
R6
84
1M 1/10W 5%
R636
10R 1/8W 5%
R
637
10 OH
M
1
/4W
C598
470P 50V
OPCTRL1
6
CI_GPIO3
OPCTRL1
R621
100R 1/16W 5%
CI_GPIO3
15
OFF_MUTE
C685
1U 10V
C626
1U 10V
OFF_MUTE
12
R619
100R 1/16W 5%
C6
00
15
nF
K
5
0
V
R600
0R05 1/16W
R7808
NC/10K OHM 1/10W
R7809
NC/10K OHM 1/10W
R638
22 OHM 1/4W
L601
22uH +-25%
C581
470N 16V
R635
39K 1/16W 5%
R634
22K 1/16W 5%
C
603
100
N
5
0
V
A
1
K
2
D606
BAS32L
1
T
P
605
C591
470N 50V
AUDIO-VDDA
LOUT+
C690
10N 16V
C
601
15nF
K
50V
VSSD/HW
1
IN1P
2
IN1N
3
DIAG
4
ENGAGE
5
POWER UP
6
VDDA
8
VSSA
9
CGND
7
OSCREF
10
HVPREF
11
INREF
12
TEST
13
IN2N
14
IN2P
15
VSSD/HW
16
VSSD/HW
32
VSSD/HW
17
DREF
18
HVP2
19
VDDP2
20
BOOT2
21
OUT2
22
VSSP2
23
STAB2
24
STAB1
25
VSSP1
26
OUT1
27
BOOT1
28
VDDP1
29
HVP1
30
OSCIO
31
TH1
33
U600
TDA8933BTW
C
604
100
N
5
0
V
R630
NC/10K 1/16W 5%
C599
470P 50V
C645
1U 10V
R6
4
0
22
K
1/
1
0W
1%
C
636
100N
50
V
1
TP
60
4
R6
83
1M 1/10W 5%
C637
100N 50V
ROUT+
ROUT-
SP_AIN_L
C6
28
100
N
5
0
V
C644
100N 50V
SP_AIN_R
C
607
100
N
5
0
V
HPDET#
1
T
P
606
C6
4
6
33
0pF
50V
C641
100N 50V
1
2
3
4
CN501
CONN
C631
1U 10V
Q601
BC847BW
C6
0
2
100
N
5
0
V
ROUT-
LOUT-
ENGAGE
+16V/+24V_SW
+16V/+24V_SW
R626
8.2K 1/16W
DV33
R608
0R05 1/10W
R7965
4.7K1/16W
R628
8.2K 1/16W
R639
8.2K 1/16W
R641
8.2K 1/16W
R7963
4.7K1/16W
SMD/0402
SCT1_AUL_OUT
SP_AIN_L
12
SP_AIN_R
12
SP_AIN_R
CI_GPIO3
SP_AIN_L
C635
680N 50V
SCT1_AUR_OUT
SCT1_AUL_OUT
11,14
SCT1_AUR_OUT
11,14
C640
680N 50V
OPCTRL1
R699
4.7K1/16W
OFF_MUTE
AUDIO-VDD
1
2
FB616 120 OHM 3A
R7804
33K 1/10W 5%
1
2
FB615 120 OHM3A
1
2
FB614 120 OHM 3A
1
2
FB613 120 OHM 2A
+
C698
330UF 16V
NEAR CN501
OFF_MUTE
R7810
0R05 1/16W
+
C583
330uF 35V
SCART_OUT_MUTE
L600
22uH +-25%
SC_HP_MUTE
SC_HP_MUTE
12,14
SC_HP_MUTE
+16V/+24V_SW
3
1
2
D620
BAV70
1
2
FB779
220R/2000mA
HPDET#
ENGAGE
R7806
3KOHM 5% 1/10W
HPDET#
12
AUDIO-VDD
AUDIO-VDD
3
1
2
D619
BAV70
OFF_MUTE
R7961
4.7K1/16W
R7962
47K 1/16W
OPCTRL4
6,7
OPCTRL4
SMD/0402
Summary of Contents for LT19A1
Page 34: ...34 6 PCB Layout 6 1 Main Board 715G3693M01000004K ...
Page 35: ...35 ...
Page 36: ...36 6 2 Power Board 715G2783 2 7 ...
Page 37: ...37 ...
Page 38: ...38 ...
Page 39: ...39 6 3 Key Board 715G3303K01001004S 6 4 IR Board 715G3870R01000004M ...
Page 41: ...41 8 Block Diagram ...
Page 63: ...63 11 Exploded View ...