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
D606
A K
BAS316 + C604
330UF 35V
R601
1
4.7K1/16W 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
A K
D608
NC/BAS316
1 2
HP_AMP_MUTE
A K
D609
BAS316
C647 C605
10uF 16V R647 R617 0.47uF 16V
HP_Out_L HP_out_L1
100OHM1/16W 0R05OHM1/16W
TPA6132A2RTER
C644 R624
10N 50V NC/47K1/16W
SMD/0402
C612
R645 0.47uF 16V
0R05OHM1/16W
C607
R646 0.47uF 16V
0R05OHM1/16W
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
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
2 OFF_MUTE
FB606
220R/2000mA
1 2
1 2
+24V_16V
FB605
220R/2000mA
GND_SOUND
R603
Line_Out_R 100OHM1/16W
HP_SC_MUTE C643
10N 50V
SMD/0402
R644
0R05OHM1/16W
R609
9R1 1/10W 1% HPOUTL
FB601
120R/3000mA
1 2
+5V_SW
C601 R615
2.2U10V 4.7K1/16W
#SD
U602
Q605
BC847C
C608
2.2U10V
1 12
INL- HPVDD
R631
2
INL+
11
CPP
3 10
C609
INR+ PGND
1UF16V
4
INR-
9
CPN
C610
1UF16V
R612
10K1/16W
+5V_SW
R616
NC/0R05OHM1/16W
R610
NC/10K1/16W
+5V_SW
R611
0R05OHM1/16W
R618
HPOUTR
9R1 1/10W 1%
DV33
U601
29
Thermal Pad
R638
10K1/16W
Shutdown 1 28 GND_SOUND
SDZ PVCCL
TP605
1 2 27
FAULTZ PVCCL
C627
220NF 25V
3 26
C621
LINP BSPL
1UF16V
C622
1UF16V
4 25
LINN OUTPL
AUDIO_VDD
R629
NC/100K1/16W
5 24
GAIN0 PGND
R635
NC/100K1/16W
R633
0R05OHM1/16W
6 23
GND_SOUND GND_SOUND
GAIN1 OUTNL
R634 C628
0R05OHM1/16W 220NF 25V
7 22
GND_SOUND
AVCC BSNL
R630
10 OHM 1/4W
C615 C629
GND_SOUND 1U 25V 220NF 25V
8 21
AGND BSNR
C616
R652 1UF16V
24K +-1% 1/16W 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
12 17
RINP BSPR
13 16
NC PVCC
14 15
PBTL PVCC
TPA3113D2PWPR
GND_SOUND
R608
HP_SC_MUTE
1K1/16W
OFF_MUTE
1K1/16W
67
C614
1N 50V
SMD/0402
AUDIO_VDD
C613
100N 50V
+
C633
220UF/35V
GND_SOUND GND_SOUND
R639
10R 1/16W 5% C620
L601 47uH
330N 25V
C632 GND_SOUND
1N 50V
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
C636 L602 47uH
1N 50V C625
R640 SMD/0402 330N 25V
10R 1/16W 5%
GND_SOUND
GND_SOUND
R641 GND_SOUND
10R 1/16W 5%
L603 47uH
C638 GND_SOUND
1N 50V
SMD/0402
1 2
FB609 NC/120R/6A
FB610 NC/120R/6A
1 2
R642 L604 47uH
10R 1/16W 5%
C641 GND_SOUND
1N 50V
SMD/0402
GND_SOUND
AUDIO_VDD
C619 C618
1N 50V 100N 50V
SMD/0402 +
C634
220UF/35V
GND_SOUND
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
LOUT+ LOUT+
10 OFF_MUTE
6 AMP_MUTE
8 AUDIO_MUTE
8 SP_AMP_MUTE
9 HP_AMP_MUTE
10 HP_SC_MUTE
LOUT-
CONN
LOUT+ 4
LOUT- 3
C626 2
1
330N 25V
ROUT-
CN601
C639 ROUT+
NC/1N 50V ROUT-
SMD/0402
C640 GND_SOUND
NC/1N 50V
SMD/0402
ROUT+ FB603 120R/3000mA FB612 120R/3000mA
1 2 1 2
FB604 120R/3000mA FB613 120R/3000mA
1 2 1 2
C631
FB611 120R/3000mA FB614 120R/3000mA
330N 25V
1 2 1 2
FB602 120R/3000mA FB615 120R/3000mA
1 2 1 2
Front Back
GND_SOUND GND_SOUND
DV33
CN602
PHONEJACK
R614 5
4.7K1/16W 4
HPOUTR 3
HPOUTL 2
HP_DET# 6
C602 7
100N 50V 1
C611
C603
R625 NC/10N 50V 100N 50V
NC/0R05OHM1/16W