Sharp LC-39LE751EK (serv.man3) Service Manual ▷ View online
81
LC-39/50LE750
LC-39/50LE751
LC-39/50LE752
39” / 50” Main Unit Diagram 15/15 (AUDIO AMP INTERFACE)
(LE750 Series)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
I
H
G
F
E
D
C
B
A
SCL2_3V
SDA2_3V
SPDIF_OUT
RESET_OUTN
I2SAOUT_MCLK
I2SAOUT_SCLK
I2SAOUT_LRCLK
I2SAOUT_D0
SPK_MUTE
AUD_MUTE
AUD_HP_R
AJ1
AUD_HP_L
AH7
1u
C2719
6.3V
C2723
1u
6.3V
R2712
10K
1u
C2720
6.3V
R2729
1K
C2728
0.1u
C2727
0.1u
R2715
20K
C2721
330P
C2722
1u
1u
C2717
330P
220u
16V
C2725
5V7
R2726
10
R2711
1K
3.3V_AUDIO
I2SAOUT_MCLK
U8
I2SAOUT_SCLK
V9
I2SAOUT_LRCLK
U9
I2SAOUT_D0
W4
SPDIF_OUT
Y6
R540
150
AUD_MUTE
V7
STA333BW
1
GND_SUB
2
SA
3
TESTMODE
4
VSS
5
VCC_REG
6
OUT2B
7
GND2
8
VCC2
9
OUT2A
10
OUT1B
11
VCC1
12
GND1
13
OUT1A
14
GND_REG
15
VDD
16
CONFIG
17
OUT3B
18
OUT3A
19
OUT4B
20
OUT4A
21
VDD_DIG
22
VSS_DIG
23
POWRDN
24
PLL_VDD
25
PLL_FILTER
26
PLLGND
27
XTI
28
BICKI
29
LRCKI
30
SDI
31
RESET
32
INT_LINE
33
SDA
34
SCL
35
GND_DIG
36
VDD_DIG
R2716
33
R2714
33
R2713
33
R2710
33
C2747
1000P
*C2741
0.22u
C2746
1000P
C2742
1000P
C2743
1000P
C2748
1000P
*C2745
0.22u
*C2740
0.22u
*C2744
0.22u
*R2738
2.7
*R2737
2.7
10uH
*L2701
PB014WJQZ
10uH
*L2703
PB014WJQZ
10uH
*L2702
PB014WJQZ
10uH
*L2704
PB014WJQZ
C2731
330P
C2732
330P
R2727
22
TQ
C2737
0.22u
C2736
0.22u
C2738
0.22u
R2735
2.7
R2734
2.7
C2739
0.22u
C2733
1u
C2711
0.1u
1CB
C2715
0.1u
1CB
C2718
0.1u
C2716
1u
25V
C2706
4700P
C2713
0.1u
1CB
330u
25V
C2729
R2704
2.2K
C2714
1u
25V
C2712
0.1u
1CB
C2710
0.1u
1CB
FB2708
A529WJ
A529WJ
3.3V_AUDIO
C2702
10u
FB2707
A529WJ
A529WJ
C2708
680P
C2707
100P
C2703
0.1u
1CB
FB2702
A529WJ
RESET_OUTN
AG23
SDA2_3V
AH9
C2705
1000P
R2705
4.7K
R2708
33
R2709
33
SCL2_3V
AG9
C2709
0.1u
1CB
FB2709
A529WJ
D+3.3V
3.3V_AUDIO
TL2712
TL2713
330u
25V
C2749
FB2712
A528WJ
VSOUND
R2740
10K
R2741
20K
R2742
10
47u
16V
C2724
R2745
10K
R541
150
C537
0.1u
1CB
C538
22P
J2702
EA125WJ
1
23
4
J2701
EA073WJ
NC7SZ04P
1
NC
2
A
3
GND
4
OUT
5
VCC
C540
0.1u
D+3.3V
D540
EXA741WJQZ
IXD542WJ
1
VCC
2
OUT1
3
IN1
4
BYPASS
5
GND
6
SHUTDOWN
7
IN2
8
OUT2
R2706
10K
D2707
DA1010
D2708
DA1010
C2726
1u
1u
220u
16V
C2751
*R2746
22
TQ
*C2752
1u
*C2753
1000P
NA160WJ
SP
1
RCH(-)
2
RCH(+)
3
LCH(+)
4
LCH(-)
*TL2730
*TL2731
C2756
1000P
C2757
1000P
C2759
10P
C2758
10P
C2761
10P
C2760
10P
47uH
L2705
CUN
R2751
4.7K
C2762
0.1u
3.3V_AUDIO
R2752
0
SPK_MUTE
V6
TO SoC FPII (001)
TO SoC FPII (001)
TO SoC FPII (001)
DUNTKG135WE02
DUNTKG135WE04
DUNTKG135WE04
IC2701
IC540
IC2702
*P2705
SOUND 2.0
SPDIF OUT
HEAD PHONE
83
LC-39/50LE750
LC-39/50LE751
LC-39/50LE752
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
I
H
G
F
E
D
C
B
A
39” / 50” Main Unit Diagram 2/15 (System Power)
(LE751 Series)
OFL1
OFL1
PWM2
5V7
VCC12V
BU5V
VCC12V
FB9601
A529WJ
TL9601
TL9602
TL9603
TL9604
TL9605
TL9606
TL9607
TL9608
FB9603
A529WJ
FB9604
A529WJ
A529WJ
FB9605
A529WJ
A529WJ
OFL1
J9
LCD_BL_ON
G11
R9607
22
PC1
PIN8
R9613
10
R9618
30K
1%
R9617
2K
2K
R9612
0
BD9328EF
1
BST
2
VIN
3
SW
4
PGND
5
FB
6
COMP
7
EN
8
SS
GND
C9610
10u
16V
10uH
L9601
C9614
0.1u
C9613
10u
10u
16V
C9608
22u
6.3V
C9609
22u
6.3V
C9612
0.1u
0.1u
25V
C9615
0.01u
D+1.5V
D+3.3V
D+2.5V
FB9613
A529WJ
C9636
0.1u
C9637
1u
25V
5V7
C9639
1u
25V
D+5V
D+8V
C9620
1u
25V
VCC12V
FB9614
A529WJ
A529WJ
BU5V
C9649
4.7u
C9648
0.1u
BU3.3V
C9651
1u
R9705
7.5K
1%
C9703
10u
6.3V
R9703
10K
10K
R9702
56
R9701
0
C9702
10u
6.3V
C9704
10u
6.3V
D+3.3V
C9706
10u
10u
16V
FB9701
A528WJ
A528WJ
C9701
10u
6.3V
R9706
7.5K
1%
C9708
0.1u
5V7
C9709
22P
10uH
L9701
C9705
0.1u
0.1u
25V
R9704
20K
20K
1%
C9707
3300P
*R9642
100
P9601
NB224WJ
PD
1
Dimming
2
BKL_PWM2
3
BKL_PWM1
4
BKL_EN
5
POWER ON
6
GND
7
GND
8
5V7
9
5V7
10
GND
11
GND
12
VCC12V
13
VSOUND
14
VCC5V Stby
*R9649
100
TL9611
TL9610
TL9621
TL9623
TL9617
TL9612
TL9626
VSOUND
TL9618
FB9606
A528WJ
A528WJ
C9603
1000P
R9614
10K
R9606
20K
20K
1%
R9602
1K
C9605
10u
16V
R9609
0
REG_OUT_VDDR
G17
S170B25U
1
ON
2
GND
3
NC
4
VIN
5
VOUT
C9625
10u
16V
C9622
10u
16V
IXD533WJ
BD80GA3WEFJ
1
VOUT
2
VO_S
3
GND
4
NC
5
EN
6
NC
7
NC
8
VIN
C9621
1u
25V
KZA621WJQZ
BD9328EF
1
BST
2
VIN
3
SW
4
PGND
5
FB
6
COMP
7
EN
8
SS
GND
C9623
10u
16V
IXD532WJ
BU33TD3WG
1
VIN
2
VSS
3
EN
4
NC
5
VOUT
IXD534WJ
BD95841MUV
1
VIN
2
VIN
3
PGND
4
PGND
5
SW
6
SW
7
SW
8
BOOT
9
EN
10
PGOOD
11
VOUT
12
FB
13
GND
14
VREG
15
NC
16
VIN
GND
C9604
0.1u
C9602
10u
10u
16V
C9601
10u
10u
16V
C9611
0.1u
2.7uH
L9602
C9617
22u
6.3V
C9618
22u
6.3V
C9619
22u
6.3V
D+1.2V
R9757
2.2K
2.2K
R9616
0
R9611
0
0
REG_OUT_1V2
U25
R9759
4.7K
1%
R9758
0
R9760
10K
1%
VREG
+12V
+12V
S132B50M
1
VIN
2
VSS
3
EN
4
NC
5
VOUT
FB9609
A528WJ
A528WJ
5V7
R9622
1K
FB9617
A529WJ
PWM2
OFL1
TL9627
TL9628
TL9629
TL9630
TL9631
TL9632
5V_WF
DUNTKG135WE05
DUNTKG135WE08
DUNTKG135WE08
IC9601
IC9603
IC9606
IC9701
IC9608
IC9602
IC9605
D+1.5V
DDR3 SoC
DDR3 SoC
D+2.5V POWER
D+5V POWER
D+8 POWER
3.3V STBY
D+3.3V POWER
D+1.2V
POWER
POWER
TO SoC 001
TO STANDBY STM8
TO SoC 001
TO SoC 001
TO LVDS CONN
84
LC-39/50LE750
LC-39/50LE751
LC-39/50LE752
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
I
H
G
F
E
D
C
B
A
39” / 50” Main Unit Diagram 3/15 (DDR3 BLOCK I)
(LE751 Series)
RASN-B
A6-B
A13-B
DQ6-B
CK-B
A1-B
A5-B
A0-B
A8-B
DQ11-B
BA2-B
A11-B
S0_UDM-B
S0_LDQS-B
DQ2-B
S0_LDQSN-B
DQ8-B
DQ4-B
S0_UDQS-B
DQ15-B
DQ13-B
WEN-B
A4-B
S0_UDQSN-B
DQ3-B
A2-B
DQ14-B
A12-B
S0_LDM-B
DQ12-B
CASN-B
A3-B
ODT-B
BA1-B
DQ7-B
DQ10-B
A10-B
DQ5-B
A7-B
DQ9-B
A9-B
RESET-DDR3-B
DQ0-B
CKN-B
DQ1-B
BA0-B
CKE-B
CSN-B
A14-B
001
VCC1_5
VCC1_5
R3501
110
1%
VREF0
VREF0
R3504
240
1%
IXD538WJ
MT41J128M16JT
MT41J128M16JT
A1
B1
C1
D1
E1
F1
G1
H1
J1
K1
L1
M1
N1
P1
R1
T1
T2
T3
T7
T8
T9
R9
P9
N9
M9
L9
K9
J9
H9
G9
F9
E9
D9
C9
B9
A9
A8
A7
A3
A2
B2
C2
D2
E2
F2
G2
H2
J2
K2
L2
M2
N2
P2
R2
R3
R7
R8
P8
N8
M8
L8
K8
J8
H8
G8
F8
E8
D8
C8
B8
B7
B3
C3
D3
E3
F3
G3
H3
J3
K3
L3
M3
N3
P3
P7
N7
M7
L7
K7
J7
H7
G7
F7
E7
D7
C7
C3504
0.1u
C3505
0.1u
C3508
0.1u
C3517
0.1u
C3518
0.1u
C3516
0.1u
C3510
0.1u
C3509
0.1u
C3513
0.1u
C3511
0.1u
C3507
0.1u
VCC1_5
VCC1_5
C3515
0.1u
C3512
0.1u
C3514
0.1u
C3506
10u
R3502
1K
1%
R3503
1K
1%
VCC1_5
DUNTKG135WE05
DUNTKG135WE08
DUNTKG135WE08
IC3503
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