Haier LT19Z6 Service Manual page 67

12. Audio Amp/Headphone Out
AMP_MUTE: [AOSDATA1]
AUDIO_MUTE: [OPCTRL4]
NORMAL: Low
MUTE: High
Shutdown
DV33 DV33SB
R621
NC/10K1/16W
R620 R622
10K1/16W 0R05OHM1/16W R666
AMP_MUTE
100OHM1/16W Q601
BC847BW
AUDIO_MUTE R623
NC/0R05OHM1/16W GND_SOUND
PWR_24V_16V STB_PWR_5V
R605
47 OHM 1/16W
R627
100 OHM 1/10W
D603
R649 BAS316
1 2
0R05OHM1/16W D604
A K
BAS316
1 2 OFF_MUTE
D606
A K
BAS316 + C604
R601 330UF 35V
4.7K1/16W 1 BC857BW SMD
Q602
GND_SOUND
R607
2 1
0R05OHM1/16W
K A
D607
BAS316 R606
NC/100K1/16W
GND_SOUND
HP_AMP_MUTE: [GPIO43]
NORMAL: Low
MUTE: High
1 2
SP_AMP_MUTE HP_SC_MUTE
A K
D608
NC/BAS316
HP_AMP_MUTE 1 2
A K
D609
BAS316
C647 C605
10uF 16V R647 R617 0.47uF 16V
HP_Out_L HP_out_L1
100OHM1/16W 0R05OHM1/16W
U602
TPA6132A2RTER
C644 R624
10N 50V NC/47K1/16W
SMD/0402
C612 1
R645 0.47uF 16V
2
0R05OHM1/16W
C607
R646 0.47uF 16V
0R05OHM1/16W 3
4
C645
10N 50V
C646 SMD/0402 C606
10uF 16V R637 0.47uF 16V
HP_Out_R HP_out_R1 0R05OHM1/16W
R648
100OHM1/16W
R628
NC/47K1/16W
Headphone
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3W 5W
Philips :<26" Philips 26"
Item
OTS :<26"
R634 0R 0R
R651 47K 1% 43K 1%
R652 24K 1% 27K 1%
R643
0R05OHM1/16W
C642
10N 50V
R636 SMD/0402
Line_Out_L 100OHM1/16W
AUDIO_VDD
NC/100K1/16W
FB606
220R/2000mA
1 2
1 2
+24V_16V
FB605
220R/2000mA
GND_SOUND R652
24K +-1% 1/16W
R603
Line_Out_R
100OHM1/16W
C643
10N 50V
SMD/0402
R644
0R05OHM1/16W
R609
HPOUTL
9R1 1/10W 1%
FB601
120R/3000mA
1 2
+5V_SW
C601 R615
2.2U10V 4.7K1/16W
#SD
R608
Q605
BC847C 1K1/16W
C608
2.2U10V
12
INL- HPVDD
R631 1K1/16W
INL+
11
CPP
10 C609
INR+ PGND
1UF16V
INR-
9
CPN
C610
1UF16V
R612
10K1/16W
+5V_SW
R616
NC/0R05OHM1/16W
R610
NC/10K1/16W
+5V_SW
R611
0R05OHM1/16W
R618
9R1 1/10W 1% HPOUTR
C614
DV33 1N 50V
SMD/0402
U601
29
Thermal Pad
R638
10K1/16W
Shutdown 1 28
GND_SOUND
SDZ PVCCL
TP605
1 2 27
FAULTZ PVCCL
C627
220NF 25V R639
3 26
C621 10R 1/16W 5%
LINP BSPL
1UF16V
C622
1UF16V
4 25
LINN OUTPL
R629
NC/100K1/16W
5 24
GAIN0 PGND
R635
R633
0R05OHM1/16W
6 23
GND_SOUND GND_SOUND
GAIN1 OUTNL
R634 C628
0R05OHM1/16W 220NF 25V
7 22
GND_SOUND 10R 1/16W 5%
AVCC BSNL
R630
10 OHM 1/4W
C615 C629
GND_SOUND 1U 25V 220NF 25V
8 21 10R 1/16W 5%
AGND BSNR
C616
1UF16V
9 20
GVDD OUTNR
R651
47K OHM +-1% 1/16W 7V
10 19
PLIMIT PGND
C648
1UF16V C623
1UF16V GND_SOUND
11 18
RINN OUTPR
C624 C630
1UF16V 220NF 25V 10R 1/16W 5%
12 17
RINP BSPR
13 16
NC PVCC
14 15
PBTL PVCC
C619
1N 50V 100N 50V
TPA3113D2PWPR SMD/0402
GND_SOUND
GND_SOUND
HP_SC_MUTE
OFF_MUTE
67
AUDIO_VDD
C613
100N 50V
+
C633
220UF/35V
GND_SOUND GND_SOUND
C620
L601 47uH 330N 25V
C632 GND_SOUND
1N 50V LOUT+ LOUT+
SMD/0402
C635
1 2
NC/1N 50V
FB607 NC/120R/6A SMD/0402
FB608 NC/120R/6A GND_SOUND
C637
1 2 NC/1N 50V
SMD/0402
LOUT-
C636 L602 47uH
1N 50V C625
R640 SMD/0402 330N 25V
GND_SOUND
GND_SOUND
R641 GND_SOUND
C626
L603 47uH
330N 25V
C638 GND_SOUND
1N 50V
SMD/0402
1 2
FB609 NC/120R/6A C639
NC/1N 50V
SMD/0402
FB610 NC/120R/6A C640
NC/1N 50V
1 2
SMD/0402
R642 L604 47uH
C641 GND_SOUND C631
1N 50V
330N 25V
SMD/0402
GND_SOUND
AUDIO_VDD
C618
+
C634
220UF/35V
HP_DET#
NC/0R05OHM1/16W
2,3,4,6,8,9,11,12,14 +5V_SW
2,10 +24V_16V
2,3,4,5,6,8,9,12,14 DV33
3,8,12,14 DV33SB
2 PWR_24V_16V
2 STB_PWR_5V
2,3,4,5,6,7,8,9,10,11,12,14 GND
6 Line_Out_R
6 Line_Out_L
6 HP_Out_L
6 HP_Out_R
9 HP_DET#
9 DVD_STATUS
10 OFF_MUTE
6 AMP_MUTE
8 AUDIO_MUTE
8 SP_AMP_MUTE
9 HP_AMP_MUTE
10 HP_SC_MUTE
CONN
LOUT+ 4
LOUT- 3
2
1
ROUT-
CN601
ROUT+
ROUT-
GND_SOUND
ROUT+ FB603 120R/3000mA FB612 120R/3000mA
1 2 1 2
FB604 120R/3000mA FB613 120R/3000mA
1 2 1 2
FB611 120R/3000mA FB614 120R/3000mA
1 2 1 2
FB602 120R/3000mA FB615 120R/3000mA
1 2 1 2
Front Back
GND_SOUND GND_SOUND
DV33
CN602
PHONEJACK
5
R614
4.7K1/16W 4
3
HPOUTR
2
HPOUTL
6
7
C602
100N 50V 1
C611
C603
R625 NC/10N 50V 100N 50V