Haier LT32A1 Service Manual page 65

13) Audio Amplifier
R619
SP_AIN_L
100R 1/16W 5% SMD/0402
SMD/0402 C690 ROUTE SYMMETRICALLY
10N 16V
R618
Close to MT5361
0R05 1/16W
SMD/0402
DV33
R630
NC/10K 1/16W 5%
CI_GPIO3 POWERUP
R633
100R 1/16W 5% R634
22K 1/16W 5%
R621 8.2K 1/16W
SP_AIN_R
100R 1/16W 5% SMD/0402
SMD/0402 C691
ROUTE SYMMETRICALLY
10N 16V
R600 8.2K 1/16W
Close to MT5361
0R05 1/16W
SMD/0402
+16V/+24V_SW
R7803
R7802
5.6K +-5% 1/10W 1.2K 1/10W
R7805
R7804 10K 1/10W
33K 1/10W 5%
R7806
Q604 3KOHM 5% 1/10W
MMBT3904
+5V_STB
R7810
R7807
+16V/+24V_SW 10K 1/10W
0R05 1/16W
R7808 Q605 SMD/0402
+
NC/10K OHM 1/10W MMBT3906
R7809
NC/10K OHM 1/10W
R608 OFF_MUTE
0R05 1/10W
R7965
HPDET#
ENGAGE 2 1
K A
4.7K1/16W
D606
C581 BAS32L Q601
470N 16V BC847BW
OPCTRL1
R626
8.2K 1/16W C626
1U 10V
U600
TDA8933BTW
1
VSSD/HW
R628
8.2K 1/16W C631 2
IN1P
1U 10V
3
IN1N
4
DIAG
ENGAGE
5
ENGAGE
POWERUP
6
POWER UP
7
CGND
AUDIO-VDDA
8
VDDA
39K 1/16W 5% R635
SMD/0402 9
VSSA
100N 50V C637 10
OSCREF
100N 50V C641 11
HVPREF
47uF/25V C642 12
INREF
R639 100N 50V C644 13
TEST
C645
1U 10V 14
IN2N
15
IN2P
R641 16
VSSD/HW
C685
1U 10V
Q606
MMBT3904
C698
330UF 16V
2
D619 3 OFF_MUTE
BAV70
1
2 R7811
R699 100K 1/10W 5%
D620 3
BAV70
1 4.7K1/16W
R612 22K 1/16W 5%
SMD/0402
32
+
VSSD/HW
31
OSCIO
30
HVP1
29
VDDP1
28 C598
BOOT1
27
OUT1
26
VSSP1
25 1M 1/10W 5%
STAB1
24
STAB2
23
VSSP2
22
OUT2
21
470P 50V
BOOT2
1M 1/10W 5%
20
VDDP2
19
HVP2
18
DREF
17
VSSD/HW
DV33SB
R7963
4.7K1/16W
R7964
SCART_OUT_MUTE
R7961 100OHM1/16W
OPCTRL4 1 Q608
MMBT3904
4.7K1/16W
R7962
47K 1/16W
OFF_MUTE 2
D621 3 SC_HP_MUTE
BAV70
SCART_OUT_MUTE
1
65
FB779 220R/2000mA
+16V/+24V_SW 1 2
FB780 220R/2000mA
AUDIO-VDD
1 2
C583 C584
+ +
C630 330uF 35V 330uF 35V
470uF 25V
LOUT-
AUDIO-VDD
470P 50V R629 22 OHM 1/4W
C635
L600 680N 50V
22uH +-25%
LOUT+
ROUT-
LOUT+
L601
22uH +-25% C640 LOUT-
680N 50V
C599
R638
22 OHM 1/4W
AUDIO-VDD
ROUT+
ROUT+ ROUT-
C684 +16V/+24V_SW
+
470uF 25V
AUDIO-VDDA
R636
10R 1/8W 5%
NEAR AMP C591
470N 50V
SC_HP_MUTE
12,14 SC_HP_MUTE
OPCTRL4
6,7 OPCTRL4
OFF_MUTE
12 OFF_MUTE
OPCTRL1
6 OPCTRL1
CI_GPIO3
15 CI_GPIO3
SP_AIN_R
12 SP_AIN_R
SP_AIN_L
12 SP_AIN_L
HPDET#
12 HPDET#
SCT1_AUL_OUT
11,14 SCT1_AUL_OUT
SCT1_AUR_OUT
11,14 SCT1_AUR_OUT
1 2 CN501
FB613 BEAD
4
1 2 3
FB614 BEAD 2
1
1 2
FB615 BEAD
CONN
1 2
FB616 BEAD
NEAR CN501