Haier LET32/40T900, Service Manual

Page: 81 / 105

81
9) Audio Amp/HP Out
HPOUTR
SMD/0402
I2S audio input for SPK AMP
+12V/5V
AOMCLK
HP_DET#
+24V_16V
SPK_MUTE
HP_SC_MUTE
DV33
OSCL0
Audio Control
SMD/0402
STB_PWR5V
DV33SB
SC_MUTE
BICKI1
+5V_SW
OSDA0
AR1O
AL1O
SC_MUTE
GND 4,5,6,7,8,10,11,12,13,14,15,16,17
OSCL0 6,7,16
OSDA0 6,7,16
STB_PWR5V 4
+12V/5V 4,5
+24V_16V 4,8
AOMCLK 6,8
DV33SB 5,6,7,11,13,14
DV33 4,5,6,7,8,13,14,15,16
+5V_SW 4,5,7,10,11,13,14,15
AOSDATA0 6
BICKI1 6,8
AOLRCK 6,8
HP_SC_MUTE 6
AR1O 6
AL1O 6
HP_DET# 15
SC_MUTE 8,10
SPK_MUTE 6
I2C for SPK AMP
AOLRCK
AOSDATA0
PWM audio input for HP AMP
1 2
L601
NC/22uH
REMOVE AC
POP
SOUND CKT
R659 10K 1/16W 5%
AUD_V33
TW
SMD/0402
1 2
L606
NC/22uH
WSPK+
DDX3B
SMD/0402
MCLK
MCLK 6,8
C
698
56P 50V
SMD/0402
OFF_MUTE 8,10
OFF_MUTE
R683
0.05R
R684
NC/0.05R
R685
NC/0.05R
R682
0.05R
SMD/0402
SMD/0402
AUD_VCC
R688
NC/10K 1/16W 5%
AUD_VCC
SMD/0402
EC80 SMD
OFF_MUTE
PWRDN
SMD/0402
C
700
N
C
/56P 50V
SMD/0402
SMD/0402
SMD/0402
LRCLK
MCLK
SMD/0402
BICKI
SMD/0402
SMD/0402
C
704
N
C
/56P 50V
SMD/0402
BICKI 6,8
BICKI
C
710
56P 50V
SMD/0402
OUTB
SMD/0402
HPOUTL
SMD/0402
A_ONSEL
SMD/0402
C
706
N
C
/56P 50V
EAPD
R681 4K7 1/16W 5%
OFF_MUTE
SMD/0402 OUT1A
C736 1UF16V
DV33
Main Speak CKT
I2S AUDIO AMP
I2S input
OSCL0
AUD_RST
BICKI1
LRCLK
AOLRCK
RSPK-
PLL_GND
AOMCLK
OUT1B
LSPK+
PLL_FILTER
SDI
MCLK
LSPK-
VDD_PLL
OSDA0
AOSDATA0 SDI
A_GAIN
PWRDN
BICKI
HeadPhone CKT SMD/0402
AUD_RST 15
AUD_RST
AUD_RST
OUT2A
SMD/0402
L/R SPK
EAPD
L604
47UH
Q633
BC847C
L605
47UH
L602
47UH
Clos e to
U602
Clos e to
MT5365
L603
47UH
RSPK+
SMD/0402
A
1
K
2
D696
BAS316WS
REMOVE POP SOUND CKT
When AC ON and DC OFF
C
742
56P 50V
HP_DET#
Close to
U602 Pin8
Clos e to
U602
Pin11
1
2
3
Q692
BC857BW
LRCLK
C659
220N 50V
R697 4K7 1/16W 5%
LRCLK 6,8
C
683
N
C
/1
N
50V
R670 10R 1/10W 5%
SMD/0402
R661
0R05 1/16W
C655
0.1UF50V
C737 1UF16V
C653
1N 50V
C670
NC/0.1uF 50V
R672
4K7 1/16W 5%
A
1
K
2
D695
BAS316WS
GND_SUB
1
SA
2
TEST_MODE
3
VSS
4
VCC_REG
5
OUT2B
6
GND2
7
VCC2
8
OUT2A
9
OUT1B
10
VCC1
11
GND1
12
OUT1A
13
GND_REG
14
VDD
15
CONFIG
16
OUT3B
17
OUT3A
18
EAPD/OUT4B
19
TWARN/OUT4A
20
VDD_DIG
21
GND_DIG
22
PWRDN
23
VDD_PLL
24
FILTER_PLL
25
GND_PLL
26
XTI
27
BICKI
28
LRCKI
29
SDI
30
RESET
31
INT_LINE
32
SDA
33
SCL
34
GND_DIG
35
VDD_DIG
36
Thermal Pad
37
U602
STA339BWTR
R662
NC/0R05 1/16W
R691
10K 1/16W 5%
HPOUTR
C638
1UF16V
C
680
N
C
/0
.1uF
50V
C689
470P 50V
C667
NC/0.1uF 50V
1 2
FB635
120R/3000mA
C657 0.1UF50V
R654
12R
C660
1N 50V
C635
1uF 50V
C687
470P 50V
+
C632
100UF 35V
C
679
N
C
/0
.1
uF
50V
C646
100N 50V
R645 2K2 1/16W 5%
C649
0.1UF50V
R666
4K7 1/16W 5%
C691 1UF16V
R656
22 OHM 1/4W
C661
1N 50V
C651
1N 50V
R647
22R 1/16W 5%
C636
100N 50V
C650
220N 50V
C675
NC/0.1uF 50V
R652 22R 1/16W 5%
R
665
N
C
/6
.2
O
H
M
5
%
1
/4
W
C665
100N 50V
C643
100N 16V
R643
2.2OHM 1/10W
R657
12R
SMD/0402
1 2
FB631
220R/2000mA
C664
100N 50V
C648 0.1UF50V
R676
10K 1/16W 5%
R694
4K7 1/16W 5%
R658
12R
1 2
FB633
220R/2000mA
1
2
CN605
NC/CONN
C631
4.7uF 10V
+ C668
NC/100uF 10V
C695 2.2uF 10V
R641
4K7 1/16W 5%
C658
0.1UF50V
R673
4K7 1/16W 5%
GND-SUB
1
OUT2B
2
OUT2B
3
VCC2B
4
GND2B
5
GND2A
6
VCC2A
7
OUT2A
8
OUT2A
9
OUT1B
10
OUT1B
11
VCC1B
12
GND1B
13
GND1A
14
VCC1A
15
OUT1A
16
OUT1A
17
NC
18
GND-CLEAN
19
GND-REG
20
VDD
21
VDD
22
VL
23
CONFIG
24
PWRDN
25
TRI-STATE
26
FAULT
27
TH_WAR
28
IN1A
29
IN1B
30
IN2A
31
IN2B
32
VSS
33
VSS
34
VCCSIGN
35
VCCSIGN
36
GND
37
U606
NC/STA515W
C682
N
C
/220
N
50V
R648
22R 1/16W 5%
R669
4K7 1/16W 5%
C645
100N 50V
R674
NC/10K1/16W
+
C633
220UF 35V
R660
NC/10K 1/16W 5%
+
C699
220UF 25V
C
685
NC
/1
N 5
0
V
R699
NC/100K1/16W
C697 0.1UF50V
+ C676
NC/220UF 35V
C663
10N 50V
C693
2.2uF 10V
Q632
BC847C
C642
680pF 50V
R668
4K7 1/16W 5%
1 2
FB634
NC/120R/6000mA
A
1
K
2
D694
BAS316WS
R649
22R 1/16W 5%
SPK_MUTE
C677
NC/330pF 50V
C688
470P 50V
C656
330PF 50V
R671
4K7 1/16W 5%
R663
NC/22 OHM 1/8W
R698
0R05 1/16W
R655
12R
C647
330PF 50V
C692
10U 10V
C678
NC/0.1uF 50V
R646
22R 1/16W 5%
C686
470P 50V
C690 1UF16V
1 2
FB632
220R/2000mA
C696
0.1UF50V
INL-
1
INR+
3
INL+
2
OU
T
L
16
HPVDD
12
HP
V
S
S
8
G0
6
INR-
4
OU
T
R
5
CPP
11
CPN
9
EN
13
SG
N
D
15
AV
D
D
14
PGND
10
G1
7
Th
e
rm
a
l P
a
d
17
U607
TPA6132A2RTER
R667
4K7 1/16W 5%
PWRDN_Wof
C681
NC/0.1uF 50V
R695
NC/0R05 1/10W 5%
SMD/0402
C673
NC/0.1uF 50V
Q691
BC847BW
R651 22R 1/16W 5%
R677
NC/0R05 1/16W
C671
NC/0.1uF 50V
C654 0.1UF50V
OUTA
1
2
3
4
CN601
CONN
C674
NC/1UF 50V
C641
4N7 50V
R696
0R05 1/10W
C669
NC/0.1uF 50V
Close to MT5365
R653
22 OHM 1/4W
OUTB
R693
10K 1/16W 5%
C694
1UF16V
R644
0R05 1/10W
A
1
K
2
D692
BAS316WS
AUD_VCC
C637
1uF 50V
A
1
K
2
D691
BAS316WS
A
1
K
2
D693
BAS316WS
R680
4K7 1/16W 5%
TW
R679
NC/0R05 1/10W 5%
C634
100N 50V
C672
NC/1UF 50V
R678 10R 1/10W 5%
R
664
N
C
/6
.2
O
H
M
5%
1/
4W
C652
1N 50V
C639
100N 16V
C640
100N 16V
C662
1N 50V
C644
100N 16V
R675
0R05 1/16W
C6
8
4
NC
/1
N 5
0
V
Power AMP
1
7
6
2
3
4
5
CN602
PHONEJACK
C666
NC/0.1uF 50V
DV33
R692 10K 1/16W 5%
STB_PWR5V +24V_16V
+5V_SW
+5V_SW
R690
10K 1/16W 5%
DV33SB
+5V_SW
R689
NC/10K 1/16W 5%
DV33
AUD_V33
+24V_16V
DV33
DV33SB
AUD_V33
AUD_V33
R/A
VDD_PLL
DV33 AUD_V33
+24V_16V
HP_SC_MUTE
AUD_V33
AUD_V33
WSPK-
SMD/0402
Close to U606 Pin12&Pin15
Clos e to U606 Pin4&Pin7
WOFFER
PWRDN
SMD/0402
Sound Woofer CKT
PWRDN_Wof
DDX3A
OUTA
OUTB
DDX3B
DDX3A
OFF_MUTE
SMD/0402
SMD/0402
HPOUTL
HEADPHONE R/L OUTPUT
AL1O
SMD/0402
SMD/0402
C
712
56P 50V
AR1O
SMD/0402
SMD/0402
OUT2B
SMD/0402
SMD/0402
SMD/0402
SC_MUTE
OUTA
SPK_MUTE:
NORMAL: Low
MUTE: High
SMD/0402
SMD/0402