Sharp Aquos LC-20B4E Manuals

1 pdf manual(s) Sharp Aquos LC-20B4E for free download (Service manual)

(1) Documents:

Aquos LC-20B4E Service manual (80 pages)

Brand: Sharp
Model: Aquos LC-20B4E
Format:
Key Aspects: Information on Regular Maintenance, Initial Startup Checklist, Cleaning and Sanitization Methods
Updated: 20.04.2026
Source File: 1100802.pdf
Pages: 80
Description: Looking up technical specifications, power on and power off, together with servicing and upkeep? The Sharp Aquos LC-20B4E Service manual is a good place to start. 3 LC-20B4E Precautions for using lead-free solder 1 Employing lead-free solder "All PWBs" of this model employs lead-free solder. The LF symbol indicates lead-free solder, and is attached on the PWBs and service manuals. The alphabetical character following…

Contents

LCD COLOUR TELEVISION

1
Precautions for using lead-free solder

3
20" LCD COLOUR TV

4
• TV/VIDEO, CH(

5
REMOVING OF MAJOR PARTS

8
» Precautions in handling the LCD panels

10
ADJUSTING PROCEDURE OF EACH SECTION

12
5-1. +B adjustment...Page 1 +B-ADJ

14
6. Factory Setting

15
TROUBLE SHOOTING TABLE

16
TROUBLE SHOOTING TABLE (Continued)

17
No sound (2/2)

21
R/C, LED Unit

22
V112 V176 V235 V255

25
OVERALL WIRING DIAGRAM

26
VOLTAGE MEASUREMENT CONDITION:

28
Ë R/C, LED and OPERATION Unit

29
Ë MAIN Unit-1/7

30
Ë MAIN Unit-2/7

32
Ë MAIN Unit-3/7

34
Ë MAIN Unit-4/7

36
Ë MAIN Unit-5/7

38
Ë MAIN Unit-6/7

40
Ë MAIN Unit-7/7

42
Ë TUNER Unit-1/4

44
Ë TUNER Unit-2/4

46
Ë TUNER Unit-3/4

48
Ë TUNER Unit-4/4

50
Ë INVERTER-A Unit

52
Ë INVERTER-B Unit

53
MAIN Unit (Side-A)

54
MAIN Unit (Chip Parts Side-A)

55
MAIN Unit (Side-B)

56
MAIN Unit (Chip Parts Side-B)

57
R/C, LED Unit (Chip Parts Side-A)

58
TUNER Unit (Side-A)

59
TUNER Unit (Chip Parts Side-A)

61
INVERTER-A Unit (Side-A)

62
INVERTER-A Unit (Chip Parts Side-A)

63
INVERTER-B Unit (Side-A)

64
INVERTER-B Unit (Chip Parts Side-A)

65
MAIN UNIT (Continued

67
TUNER UNIT (Continue

71
CABINET AND MECHANICAL PARTS

76
Cable Clamp, x2

78
PACKING OF THE SET

79
COPYRIGHT © 2003 BY SHARP CORPORATION

80

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