Hisense LTDN40K321UWAU Service Manual page 45

5
N1-4
AIN_R0 B36
AIN_R0 AR0_ADAC
AIN_L0 D37
AIN_L0 AL0_ADAC
AIN_R1 A37
AIN_R1
C38
AIN_L1
AIN_L1 AR1_ADAC
B38
AIN_R2 AL1_ADAC
B35
AIN_L2
A36
AIN_R3 AR2_ADAC
C37
AIN_L3 AL2_ADAC
AVDD33_ADAC
D
AVDD33_AADC M26
AVDD33_AADC
ASPDIFO0
VMID_AADC D38
VMID_AADC ASPDIFO1
C113 C114
100n/16V 1u/16V
AOSDATA4
AOSDATA3
AOSDATA2
AVSS33_CLN M24
AVSS33_CLN AOSDATA1
AOSDATA0
MT5657_31x31
SPEAKER Amplifier
R115 33R
4.7k/NC AMP_RESET
R114
3.3V_A
R116 1k
C117
100n/16V
AOMCLK R840 33R
C118
C119
C120
RC靠近主芯片，
22n/25V
10p/50V
预防EMI 100n/25V
VRAIL
100n/16V
N80
OUT1B_2
1
GND OUT1B_1
100n/25V C133 2
DVDD
AOSDATA0 R837 33R 3
SDATA PGND1B
AOLRCK 4
R838 33R
C
WCK
AOBCK R839 33R 5
BCK BST1B
6
OSDA0 R121 22R
SDA VDR1
OSCL0 7
R122 22R
SCL
VCC5
AGND
MUTE_AMP 8
#FAULT
9
HSVDD VDR2
10
INR BST2A
11
HGND
12
INL PGND2A
OUT2A_2
OUT2A_1
I2C addr: 0x54
NTP8214
100n/25V
C141
C145
22n/25V VRAIL
B
A
5
4
Analog Power
D36 AR0_ADAC
C35 AL0_ADAC AVDD3V3
D35
E36
C36
E35
5V
M27 AVDD33_ADAC
L36
BLM18PG181SN1
AR38
SPDIF OUT
ASPDIFI 10u/10V
AB34 ASPDIFO0
G27 ASPDIFO1
AM31 AOBCK
AOBCK R112
AN30 AOLRCK ASPDIFO0
AOLRCK
AP36 AOMCLK
100R
AOMCLK
100n/16V
AN33
AM33 R113
C116
AL31
10k
33p/50V
AM30
AN31 AOSDATA0
12V
L10
AMP-Rout+
R117 10.0 uH R118
C121 C122 4.7k
5.1R
C123
100n/25V
220p/50V
C124 220p/50V
R119 C126 R120
L11
36 100n/25V 4.7k
5.1R
35 AMP-Rout-
34 C129 10.0 uH 10u/25V
33 22n/25V 100n/25V
32
C132 1u/16V
31 C134 1u/16V C127,C130,C128,C131靠近功放芯片放置
30
3.3V_A
29
C135 1u/16V
28
C138,C137靠近功放芯片放置
C136
27
L12
22n/25V
26 AMP-Lout+
25
R129 10.0 uH R130
C139 4.7k
5.1R
C140 220p/50V 100n/25V
C142 220p/50V
R133 C146 R134
L13
100n/25V 4.7k
5.1R
AMP-Lout-
10.0 uH
4
3
AVDD33_AADC AVDD33_ADAC
R846 0R
C110 C108 C109
100n/16V 100n/16V 10u/16V
C111
C112
XS1
100n/16V
GQ-103\Reflow
C115
1
SPDIF
2
VCC
3
GND
立式手插端子
VCC_A
VDD_AMP
2500mA
L114 L37
STPB2012-121PT/NC STPB2012-121PT
L113 L108
STPB2012-121PT/NC STPB2012-121PT
C2
100u/25V
VDD_AMP
C127 10u/25V C128
Power off mute
C130 100n/25V C131 5V
VRAIL
L39 R124
1k
DVDD3V3
BLM18PG121SN1
C138 C137
100n/16V
2.2u/10V
VD4
1N4148W
R131
0R/NC
VD6
R135
C144
1
AMP-Rout+ 4
100k
47u/25V
AMP-Rout- 3
1N4148W
AMP-Lout- 2
XP4
AMP-Lout+ 1
R138
12V
1k/NC
47u/25V/NC
Power on mute
HeadPhone Output
R147
AR0_ADAC
15k
LO1R_PA
RV3
AVLC18S02015
3
2
DVDD3V3
Headphone mute
VD2
R123
1N4148W/NC
1k
VD3
BAT54C
1
R127
3 1
R126
10k
2
47k/NC
R128
3.3VS
100k
2 3
R835
12V
V9 10k
MUTE_CTL 1 2
MMBT3906LT1
2 VD5 1N4148W
AMP mute
VD7 BAT54C/NC
1
3 R136 10k/NC 1
C147
2
R139
3.3VS
100k/NC
VD8
R140
1N4148W/NC
100k/NC
R834
10k/NC VD9
AMP_MUTE 1 2
1N4148W/NC
C155
C154
N86
C157
15p/50V 15p/50V
1 14
R148
+INR +INL
2 13
43k
10u/10V C161 C162 -INR -INL
R151
47p/50V 47p/50V
220p/50V 3 12
OUTR OUTL
30.1k
R155 4 11 R156
GND UVP
5.1R
5.1R
MUTE_HP 5 10
Mute GND 3.3V_HP
C170
6 9
47n/16V VSS VDD
C176 C173
7 8
CN CP
C175
1u/10V 1u/10V
100n/16V
DRV632/BBY
C180
1u/10V
Title Title Title
Size Size Size
C C C
Date: Date: Date:
2
1
HP_DET
(15) HP_DET
MUTE_CTL
(15) MUTE_CTL
AMP_MUTE
(15) AMP_MUTE
OSCL0
(5,8) OSCL0
OSDA0
(5,8) OSDA0
AIN_R0
(7) AIN_R0
AIN_L0
(7) AIN_L0
AIN_R1
(7) AIN_R1
AIN_L1
(7) AIN_L1
AMP_RESET
D
(15) AMP_RESET
ASPDIFO1
(14) ASPDIFO1
C
R125
4.7k
MUTE_HP
V8
MMBT3904LT1
R132
10k
MUTE_AMP
V10
R137
4.7k
MMBT3904LT1/NC
B
C158
R149 R150
AL0_ADAC
43k 15k
10u/10V
C163
C164
R153
220p/50V
30.1k
LO1L_PA
RV4
L42
C167
DVDD3V3 47n/16V AVLC18S02015
BLM18PG121SN1
C177
2.2u/10V
DVDD3V3
XS2
2
R162 LO1R_PA R
100k
LO1L_PA 1
L
R163
HP_DET 4
3 SW
10k
GND
C185
RV5 卧式手插端子
100n/16V/NC
AVLC18S02015
A
Hisense Electric Co.,LTD
MT5657 MT5657 MT5657
Document Number Document Number Document Number Rev Rev Rev
1.0 1.0 1.0
Tuesday, March 03, 2015 Tuesday, March 03, 2015 Tuesday, March 03, 2015 Sheet Sheet Sheet 6 6 6 of of of 22 22 22
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