![background image](http://html.mh-extra.com/html/sharp/lc-20dv20u/lc-20dv20u_service-manual_373836073.webp)
A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
D11
D10
A19
B19
A18
B18
C19
C18
A17
A6
B7
C8
A7
D9
B8
C9
A8
B9
B10
C10
A9
A28
A27
A15
B15
C15
B16
A16
D16
C16
D17
C17
B17
A10
D12
A11
C11
B11
C12
B12
A12
D13
F30
E30
D24
C24
E29
B28
D27
C26
D25
A26
B25
B27
C30
E28
D29
B30
C28
B29
IC2401
X240H
ATSC/CLEAR CABLE ASIC
D26
B26
C25
A25
D30
C29
D28
C27
D23
C21
D22
C23
B22
C22
E27
A23
A22
B23
B24
A24
A21
AG15
AH16
AJ17
AK17
AG16
AH17
AK18
AG17
AH18
AJ18
AG18
AK19
AG13
AJ12
AH12
AJ16
AK16
AK12
AH13
AJ13
AK13
AG14
AH14
AJ14
AK14
AH15
IC2401
X240H
ATSC/CLEAR CABLE ASIC
AJ19
AJ15
AK15
R2
T1
U4
U3
U2
U1
V4
V3
V2
V1
W1
W2
N3
N4
M1
R1
T2
N2
N1
P4
P3
P2
P1
R4
R3
T3
T4
IC2401
X240H
ATSC/CLEAR CABLE ASIC
W3
AJ3
AH4
AG5
AH5
AG6
AJ4
AK3
L2
L3
K1
L4
K2
J1
K3
J2
AJ2
AH3
K4
M4
L1
M3
C2532
0.1
B
C2518
0.1
B
C2522
0.1
B
C2512
0.1 B
C2513
0.1 B
C2520
0.1 B
C2531
0.1
B
C2517
0.1
B
C2521
0.1
B
C2514
10 C
C2515
10 C
C2533
0.1
B
C2519
0.1
B
C2516
0.1 B
C2542
0.1 B
C2538
0.1 B
C2537
0.1 B
C2534
0.1
B
C2535
0.1
B
C2701
0.1
B
C2702
0.1
B
R2497
390
R2498
100
R2499
100
R2495
1K
X_FAT_IFAGC
B2412
BLM18BD151SN1
B2411
BLM18BD151SN1
B2410
BLM18BD151SN1
B2409
BLM31PG601SN1
B2407
BLM31PG601SN1
B2408
BLM31PG601SN1
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
FS_DVDD
FS_AVDD
VI_REFM
VI_REFP
VIBYPASS1
VIBYPASS0
ADC0_AVDD
ADC1_AVDD
T_FAT_IFP
X_FAT_IFP
X_FAT_IFN
T_FAT_IFN
FAT_IFAGC
+3.3V
X_TUNER_SDA
X_TUNER_SCL
RF_SW
FDC_AVDD
SD-H
AFT_1
AFT_2
+3.3V
+1.8V
D_GND
H-42
H-41
NC
NC
FRONT END SCHEMATIC DIAGRAM
FDCFE1.8V
FDCFE1.8V
FS_OUTP
FS_OUTN
FS_DVDD
FS_DVSS
FS_AVDD
FDC_CRX
FDC_DRX
FS_AVSS
NC
NC
NC
NC
NC
MPEG_D0
MPEG_D1
MPEG_D2
NC
NC
NC
MPEG_D3
MPEG_D4
MPEG_D5
MPEG_D6
NC
NC
NC
NC
MPEG_D7
MPEG_CLK
MPEG_SYNC
MPEG_ERR
MPEG_DATA_EN
AGC_SDMX
AGC_SDM1
AGC_SDM2
FAT_IFP
FAT_IFM
VI_ATBM
VI_ATBP
VI_REFM
VI_REFP
VI_BYPASS1
VI_BYPASS0
VI_IN0
VI_IN1
VI_IN2
VI_IN3
VI_IN4
VI_IN5
VI_IN6
VI_IN7
VI_GUARD
FDC_IFP
FDC_IFM
FDC_BYPASS
FDC_REFM
FDC_REFP
NC
NC
NC
NC
NC
VI_AVDD33
FDCFE1.8V
ADC1.8V
ADC1.8V
(11/14 FRONT END)
ADC0_AVDD
ADC0_AVDD
ADC0_AVDD
ADC0_AVSS
ADC0_AVSS
ADC0_AVSS
ADC1_AVDD
ADC1_AVDD
ADC1_AVDD
ADC1_AVSS
ADC1_AVSS
ADC1_AVSS
FDC_AVDD
FDC_AVDD
FDC_AVDD
FDC_AVSS
FDC_AVSS
FDC_AVSS
FDC_AGC
GPIOC(0)
GPIOC(1)
GPIOC(2)
GPIOC(3)
GPIOC(4)
GPIOC(5)
GPIOC(6)
GPIOC(7)
GPIOC(8)
GPIOC(9)
GPIOC(11)
GPIOC(10)
GPIOC(12)
GPIOC(13)
GPIOC(14)
GPIOC(15)
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
DVOCLK0
DVOCLK1
DVODE
DVOHSYNC
DVOVSYNC
(9/14 DVO)
DVODATA(0)
DVODATA(1)
DVODATA(2)
DVODATA(3)
DVODATA(4)
DVODATA(5)
DVODATA(6)
DVODATA(7)
DVODATA(8)
DVODATA(9)
DVODATA(10)
DVODATA1(1)
DVODATA1(2)
DVODATA(13)
DVODATA(14)
DVODATA(15)
DVODATA(16)
DVODATA(17)
DVODATA(18)
DVODATA(19)
DVODATA(20)
DVODATA(21)
DVODATA(22)
DVODATA(23)
NC
NC
NC
NC
NC
NC
DNI
(DIGITAL PCB)
DVIDE
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
DVICLK
DVIHSYNC
DVIVSYNC
TERA
TVLDA
TSTRTA
TCLKA
DVSCLKA
NC
(10/14 DVI)
DVIDATA(0)
DVIDATA(1)
DVIDATA(2)
DVIDATA(3)
DVIDATA(4)
DVIDATA(5)
DVIDATA(6)
DVIDATA(7)
DVIDATA(8)
DVIDATA(9)
DVIDATA(10)
DVIDATA(11)
DVIDATA(12)
DVIDATA(13)
DVIDATA(14)
DVIDATA(15)
DVIDATA(16)
DVIDATA(17)
DVIDATA(18)
DVIDATA(21)
DVIDATA(20)
DVIDATA(19)
DVIDATA(22)
DVIDATA(23)
DVSYDATA(0)
DVSYDATA(1)
DVSYDATA(2)
DVSYDATA(3)
DVSYDATA(4)
DVSYDATA(5)
DVSYDATA(6)
DVSYDATA(7)
TDATA(0)
TDATA(1)
TDATA(2)
TDATA(3)
TDATA(4)
TDATA(5)
TDATA(6)
TDATA(7)
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
FROM/TO AV OUT
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
PCBDH0
CEF169
FROM POWER2
0.3
1.3
1.2
1.2
1.8
1.8
1.8
0
0
0
1.8
1.8
1.8
0
0
0
3.3
1.8
1.8
1.8
0
0
0
0
1.8
0
1.8
0
0.7
0.7
3.3
3.3
3.3
3.3
3.3
3.3
3.3