Read Sharp LC-70UD20KN (serv.man2) Service Manual online
12
LC-60UD20
LC-70UD20
8
1
2
3
4
5
6
7
9
10
G
F
E
D
C
B
A
SLOW_SW
FAST_SW
%82288
%82289
HP_L_ANALOG_OUT
HP_R_ANALOG_OUT
OPTICAL_OUT
OPTICAL_OUT
UART_232CTOCPU
UART_CPUTO232C
PC_RED
PC_GREEN
PC_BLUE
SC1_V_OUT
SC1_V_OUT
SC1FSW
SC/Y_CVBS2_IN
HP_PLUG
RCA_COMP1_PLUG
CVBS2_PLUG
RCA_CVBS1_PLUG
SLOWSW1
RCA_L_ANALOG
RCA_L_ANALOG
RCA_R_ANALOG
RCA_R_ANALOG
AUDIO_IN_R
PC_HDMI_L
PC_HDMI_R
CVBS2_SC_R
CVBS2_SC_L
HP_L_ANALOG_OUT
HP_R_ANALOG_OUT
PC_HDMI_L
PC_HDMI_R
SC_RED1/C1
SC_GREEN1
SC_BLUE1
CVBS2_SC_R
CVBS2_SC_L
RCA_COMP1_Y
RCA_COMP1_Y
RCA_COMP1_PB
RCA_COMP1_PB
RCA_COMP1_PR
RCA_COMP1_PR
PC_RGB_COM
PC_RGB_COM
RCA_COMP1_COM
SC_RGB_COM
SC_RGB_COM
RCA_CVBS_COM
TUNER_R_OUT
TUNER_L_OUT
CVBS_TU_OUT
TUNER_L_OUT
TUNER_R_OUT
I2C_VGA_SCL
I2C_VGA_SDA
EDID_WP_VGA
SLOWSW1
D5PLUG
RCA_CVBS1
RCA_CVBS1
RCA_COMP1_SOY
RS232C_OUT
RS232C_IN
HP_L
HP_R
PC_GREEN
PC_BLUE
PC_RED
SC1FSW
SC/Y_CVBS2_IN
SC/Y_CVBS2_IN
SC_RED1/C1
SC_RED1/C1
SC_GREEN1
SC_GREEN1
SC_BLUE1
SC_BLUE1
SC_BLUE1
AUDIO_OUT_R
*SC650
ZA263WJQZ
1
2
3
4
5
6
7
8
9
10
NC
11
12
NC
13
14
15
16
17
18
19
20
21
*R654
51K
*R673
1K
*R668
220
1/10W
1/10W
*C650
100P
(CH)
*C658
1000P
*C652
1000P
*VA654
VXA236WJ
*VA652
VXA002WJ
VXA002WJ
*C653
1000P
1000P
*D650
EXA689WJQZ
3.9V
*C656
1000P
*VA650
VXA002WJ
VXA002WJ
*VA651
VXA002WJ
VXA002WJ
*C657
1000P
*C659
1000P
*R652
10K
*R553
220
1/10W
220
1/10W
*C655
0.01u
*C654
0.01u
*VA653
VXA236WJ
VXA236WJ
*R674
1K
GND_A
*C663
1u
10V
1u
10V
KZA520WJQZ
NJW1351B
CAPLESS VIDEO AMP with LPF
1
CP1
2
V+
3
VIN
4
POWER SAVE
5
VOUT
6
GND
7
V-
8
CP2
*C662
1u
1u
10V
KZA520WJQZ
*C665
1u 10V
KZA520WJQZ
*C667
4.7u
10V
KZA931WJQZ
*FB655
A374WJQZ
*C666
0.1u
RCA_CVBS1_PLUG
005
SC_RED1/C1
005
R534 100
1/4W
CVBS2_SC_R
005
D516
EXA741WJQZ
EXA741WJQZ
5.6V
GND_A
SC_GREEN1
005
PC_VSYNC
005
R535
100
1/4W
R580
75
1/10W
HTL_RCOUT_IR_RS
007
I2C_VGA_SDA
002
R517
1K
C516
1000P
CZB
1000P
CZB
R510
100K
1
2
3
4
5
6
7
8
PC_HSYNC
005
GND_A
C508
1000P
50V
PC_BLUE
005
J501
EA111WJQZ
R502
56
56
1/10W
R508
100K
1
2
3
4
5
6
7
8
PC_RED
005
GND_A
C514
1000P
CZB
1000P
CZB
HP_PLUG
005
HP_R_ANALOG_OUT
010
D508
CDL37114
1
2
3
4
5
6
7
D3.3V
016
RCA_CVBS1
005
UART_232CTOCPU
007
C507
1000P
50V
D515
EXA741WJQZ
5.6V
R597
10K
1
2
3
4
5
6
7
8
R507
56
56
1/10W
PC_GREEN
005
R522
1K
OPTICAL_OUT
010
RCA_COMP1_PLUG
005
UART_CPUTO232C
007
HP_L_ANALOG_OUT
010
R578
75
1/10W
D5V
016
R516
1K
SC_BLUE1
005
R512
75
1/10W
75
1/10W
R579
75
1/10W
CVBS2_SC_L
005
I2C_VGA_SCL
002
R523
1K
R513
56
56
1/10W
SC501
NB116WJQZ
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
C631
0.1u
16V
1
2
3
4
5
6
7
8
SC630
NB115WJQZ
RS232C
D-SUB
Vertical type
1
DCD
2
RxD
3
TxD
45
6
DSR
7
RTS
8
CTS
9
10
11
R633
100
1/10W
TL636
VA631
VXA236WJ
VXA236WJ
TL635
VA630
VXA236WJ
R636
10K
TL630
C630
0.1u
10V
D630
EXA741WJQZ
5.6V
5.6V
TL633
R634
100
1/10W
R635
100
100
1/10W
M3221EIP
1
EN
2
C1+
3
V+
4
C1-
5
C2+
6
C2-
7
V-
8
R1_in
9
R1_out
10
NC
11
T1_in
12
FORCEON
13
T1_out
14
GND
15
Vcc
16
SHDN
BU3.3V
016
C502
1000P
CZB
C501
1000P
CZB
C505
33P
CCZ
GND_A
C518
0.01u
25V
C517
0.01u
25V
R505
18
1/10W
R509
18
1/10W
C515
1000P
CZB
1000P
CZB
C510
1000P
CZB
1000P
CZB
SC/Y_CVBS2_IN
005
SC1FSW
005
CVBS_TU_OUT
005
SLOWSW1
005
*R671
100K
1
2
3
4
5
6
7
8
TUNER_R_OUT
010
PC_HDMI_L
005
PC_HDMI_R
005
TUNER_L_OUT
010
*C651
220P
*R653
75
75
1/10W
*R656
75
75
1/10W
*R660
75
1/4W
*R657
75
1/10W
*R658
75
75
1/10W
*R651
75
1/10W
J502
JA154WJPZ
YELLOW
WHITE
RED
1234567
R518
1K
1
2
3
4
5
6
7
8
*VA655
VXA236WJ
VXA236WJ
*VA656
VXA236WJ
VXA236WJ
*VA657
VXA236WJ
*VA658
VXA236WJ
VA523
VXA236WJ
*D651
EXA689WJQZ
3.9V
*R655
100
J503
JA054WJQZ
1
2
3
6
C503
1000P
CZB
C504
1000P
CZB
R503
18
1/10W
D510
EXA741WJQZ
5.6V
D509
EXA741WJQZ
5.6V
CVBS2_PLUG
005
R504
0
J504
JA157WJQZ
GREEN
BLUE
RED
1234567
D501
EXA741WJQZ
5.6V
R501
10
R536
33
TQ
33
TQ
R537
33
TQ
33
TQ
M24C02RM
EEPROM(DDC2)
1
A0
2
A1
3
A2
4
VSS
5
SDA
6
SCL
7
WP
8
VCC
EDID_WP_VGA
002
RCA_COMP1_PR
005
RCA_COMP1_Y
005
RCA_R_ANALOG
005
RCA_L_ANALOG
005
RCA_COMP1_PB
005
PC_RGB_COM
005
R515
0
SC501
付近に配置ください
RCA_COMP1_SOY
005
RCA_COMP1_COM
005
R514
0
J504
付近に配置ください
SC_RGB_COM
005
R659
0
SC650
付近に配置ください
R511
0
J502
付近に配置ください
RCA_CVBS_COM
005
D502
RU715UM
1
2
3
R524
220
SB1FF
1
2
3
4
5
6
7
8
R538
47K
1
2
3
4
5
6
7
8
GND_A
VGA_DDC5V
002
TL501
TL502
TL503
TL505
TL506
TL507
TL508
TL509
TL504
TL510
TL511
TL512
TL515
TL513
TL514
TL516
TL517
TL518
TL519
TL520
TL521
TL522
H:NORMAL
L:PDN
TO_CPU(005)
TO_POWER (016)
TO_HP_LINE-OUT(010)
HP_PLUG
UN-PLUGGED:H
PLUGGED:L
TO_HDMI(002)
TO_CPU(007)
TO_CPU(005)
4:POWSAVE
TO_CPU(005)
(
)
TO_CPU(005)
TO_CPU(005)
TO_CPU(005)
TO_HP_LINE-OUT(010)
ALTAIR
*IC650
IC630
DUNTKG445WE**
IC503
SPDIF
PC AUDIO INPUT
INPUT6/EXT2
INPUT6
INPUT6/EXT2
HP-OUT/AUDIO-OUT
1.7
3.3
0
2.5
0
0
-3.0
-1.7
1.6
5.0
0
0
0
0
0
0
3.3
3.3
3.3
3.3
0
0
0
3.3
0
3.3
0
0
0
3.3
3.3
0
0
0
0
4.7
4.7
0
4.8
MAIN Unit-1
(TERMINAL)
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