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Most Recent Sharp LC-20AV7U Questions
Can A Roof Antenna Be Hooked Up To This Tv For Local
(Posted by stephendedrick 1 year ago)
How To Get Netflix Without The Hdmi Cables On Lc-20av7u
how to install Netflix without the HDMI cables and no remote control. Only cables to video and so on...
how to install Netflix without the HDMI cables and no remote control. Only cables to video and so on...
(Posted by brittney332asttro 4 years ago)
Sharp Tv With Ps3
Hello! so i have the sharp tv model LC-20AV7U And i was wondering if this is compatible with the ps3...
Hello! so i have the sharp tv model LC-20AV7U And i was wondering if this is compatible with the ps3...
(Posted by Anonymous-74350 11 years ago)
Set Up For Sharp Lc-20av7u Tv With Directv Box And Dvd Player.
Cannot locate a manual for this tv. Tv is connected to Directv box using RCA coaxial cable and DVD p...
Cannot locate a manual for this tv. Tv is connected to Directv box using RCA coaxial cable and DVD p...
(Posted by violebell 11 years ago)
How To Connect Tv To Directv And Dvd Player
I have a SharpLC 20AV7U with no manual and no remote (on order but not received yet). I have tv conn...
I have a SharpLC 20AV7U with no manual and no remote (on order but not received yet). I have tv conn...
(Posted by violebell 11 years ago)
Popular Sharp LC-20AV7U Manual Pages
Service Manual - Page 1
... published to change without notice.
MODELS LC-20AV7U/LC-20SH7U SERVICE MANUAL
LCD COLOR TELEVISION
LC-20AV7U/LC-20SH7U
SERVICE MANUAL
S37F3LC20AV7U
LCD COLOR TELEVISION
MODEL LC-20AV7U
MODEL LC-20SH7U
In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its original condition and only parts identical to those specified be used...
Service Manual - Page 6
...No.
CABINET DISASSEMBLY INSTRUCTIONS
NOTE: CBA AND PWB MEANS PRINTED WIRING BOARD.
[ LC-20AV7U ]
1. Bend, route and dress the cables as the Identification (location) No. Part
Fig. Removal
Step/ Loc.
These numbers are also used as they were.
[5] Function CBA [4] Rear Cabinet
[1] Base Plate
[12] Junction-A CBA
[13] Junction-B CBA
[14] Speaker (s)
[6] Tilt Stand Holder
[8] Jack...
Service Manual - Page 25
... Picture does not appear normally. (Tuner input (Digital))
Are the DIF signals outputted to the
No
Pin...20) of IC1202? Are the Pr signals outputted to the
No
Pin(76) of IC1202?
No
Check the line between Pin(73) of IC1202 and Pin(18) of IC1202 , and service it if defective. 2.
No Yes
Are the video signals outputted to the specific input terminal?
Yes
Replace IC1202 or LCD...
Service Manual - Page 28
...-2 2 KEY-IN-1
CL1107 1 2
FUNCTION CBA
KEY SWITCH KEY SWITCH
CN1302 3 REMOTE 4 P-ON-H
CL1104 3 4
RV1142
REMOTE SENSOR
Q1142 LED DRIVE
D1142 POWER
AL+3.3V(D)
IR SENSOR CBA
VCOM
DTV-ON-H BACKLIGHT-SW
P-ON-H VGH-H BACKLIGHT-ADJ
TO LCD BLOCK DIAGRAM
TO POWER SUPPLY BLOCK DIAGRAM
TO LCD BACKLIGHT BLOCK DIAGRAM
IF-MUTE INPUT-2 INPUT-0 INPUT-1
S-SW AFT-IN...
Service Manual - Page 36
...power supply. The correct part number is not consistent here.
5. "1-B1" means that all components in the power supply circuit are not defective before you connect the AC plug to the line number
1-D3
"1" of the service manual... not use only original replacement parts which are as shown below: Plug the TV power cord into a standard AC outlet.:
Voltage
1 2 5.0
3 5.0
Power on foil side. :...
Service Manual - Page 37
...Models and Marks
Model
Mark
LC-20AV7U A
LC-20SH7U B
MAIN 1/5
Ref No. Voltage
1
0
2
24.4
3
24.4
4
0
5
3.3
6
3.3
7
0
8
10.8
9
0
10
-6.2
11
0
12
1.2
13
0.7
14
0.5
15
0.7
16
1.3
17
1.1
18
0
19
1.2
20...
0.7
12
0.5
13
0.7
14
1.3
15
1.1
16
0
17
1.2
18
0.9
19
0.7
20
0.7
21
1.3
22
1.3
23
0
24
1.2
25
1.0
26
0.9
27
0.8
28
1.0
29...
Service Manual - Page 39
Comparison Chart of Models and Marks
Model
Mark
LC-20AV7U A LC-20SH7U B
MAIN 3/5
Ref No.
Position IC
IC801
N-2
TRANSISTORS
Q707
P-3
Q708
P-2
Q709
P-2
Q802
N-1
CONNECTORS
CN801
N-3
CN802
N-3
9-5
A7144SCM3 Main 3/5, Junction-A & Junction-B Schematic Diagram
NOTE: CBA AND PWB MEANS PRINTED WIRING BOARD.
Service Manual - Page 43
Comparison Chart of Models and Marks
Model
Mark
LC-20AV7U A
LC-20SH7U B
9-9
A7144SCIR IR Sensor Schematic Diagram
NOTE: CBA AND PWB MEANS PRINTED WIRING BOARD.
Service Manual - Page 48
Comparison Chart of Models and Marks
Model
Mark
LC-20AV7U A
LC-20SH7U B
IR Sensor CBA Top View
IR Sensor CBA Bottom View
BA7120F01021-2
Junction-A CBA Top & Bottom View [A]
BA7120F01021-1
BA7120F01021-3
Junction-B CBA Top & Bottom View [A]
BA7120F01021-4 9-14 Function CBA Top View Function CBA Bottom View
NOTE: CBA AND PWB MEANS PRINTED WIRING BOARD.
Service Manual - Page 50
...-IN2
AUDIO(L) -IN2
DIGITAL AUDIO-OUT
CL1104
1
2
IR SENSOR 3
CBA
4
5
AL+3.3V(D) GND REMOTE P-ON-H NU
CN1302 1...LIGHT BACK LIGHT
LCD MODULE
CN401 1...Models and Marks
Model
Mark
LC-20AV7U
A
LC-20SH7U B
CN61
CN101
1 D-GND
1
2 DTV-SPDIF 2
3 DTV-ON+5V 3
4 TU-SCL
4
5 TU-SDA
5
6 D-GND
6
7 DTV-S-SREQ 7
8 DTV-S-SCLK 8
9 DTV-S-SIN
9
10 DTV-S-SOUT 10
11 D-GND
11
12 DTV-S-RESET...
Service Manual - Page 51
...Power Supply Protection 1
7 PROTECT-2 Power Supply Protection 2
8 PROTECT-4 Power Supply...Power On Signal at High
29 BUS-OPEN Chip select
30 SCL
Serial Clock
31 SDA
Serial Data
32 NU
Not Used
33 NU
Not Used
34 NU
Not Used
35 NU
Not Used
36 NU
Not Used
37 XIN
Crystal Oscillation Input (27MHz)
38 XOUT
Crystal...VCC
IC1202 (LCD Drive / LCD Signal Process / TV Micro Controller)...
20 EQ...
Service Manual - Page 55
...
DTV Module
CBA Unit
L20
B7
L1
A10 L22 L1 L1
A6 S10
L20
AC601
L23 L23 L23
13-1
A24 A24
A7144_45CEX Cabinet [ LC-20AV7U ]
S12
EXPLODED VIEWS
S11
A4
L2
L3
B15 A20
A1
B15 A22
B38
A3 A7
B15 Junction-B CBA
Function CBA
B1
L6
B38...
L7 B39
B3 L1
B15
SP801
L24
B1
L7
A11
IR Sensor CBA B31
B1
Junction-A CBA
L6 LCD1
See Electrical Parts List
for parts with this mark.
Service Manual - Page 57
Packing [ LC-20AV7U ]
Some Ref. Numbers are
not in sequence.
X6
S2
X1
X4
X3
Packing Tape
X2
S13 S4
Tape
S3
FRONT S1
Shipping Label Packing Tape S10
FRONT
Packing Tape
13-3
A7144_45PEX
Service Manual - Page 75
... / 130MM WIRE ASSEMBLY 4PIN SW 20V 4PIN / 210MM WIRE ASSEMBLY 4PIN SW 20V 4PIN/128MM SENSOR REMOTE RECEIVER KSM-603SR2E
JUNCTION-A CBA : LC-20AV7U
Ref. MISCELLANEOUS CL802
Mark
Part No.
No. No.
SW1104 SW1105 SW1107 SW1111
Mark
Part No.
9HSST0101AL038 9HSST0101AL038 9HSST0101AL038 9HSST0101AL038
TACT SWITCH SKQSAB TACT SWITCH SKQSAB TACT SWITCH SKQSAB TACT SWITCH SKQSAB...
Service Manual - Page 76
LC-20AV7U/LC-20SH7U
COPYRIGHT © 2007 BY SHARP CORPORATION
ALL RIGHTS RESERVED. Mar. 2007 Printed in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of the publisher.
No part of this publication may be reproduced, stored in a retrieval system, or transmitted in USA
SHARP ELECTRONICS CORPORATION Sharp Plaza, Mahwah...
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