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LC-32D44E
Sharp LC-32D44E User Manual
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LC32D44E/S/RU-BK/GY (1st Eddition)
2 – 1
LC32D44E-BK
Service Manual
CHAPTER 2.
REMOVING OF MAJOR P
ARTS
[1] REMOVING OF MAJOR P
A
RTS
1.
Remove the 4 lock screws
and detach the S
tand.
2.
Remove the 3 lock screws
, 6 lock screws
, 2 lock screw
and detach the Rear Cabinet.
1
2
3
4
Front
Cabinet
Rear
Cabinet
Stand
2
3
4
1
9
11
Table of Contents
Default Chapter
1
Table of Contents
1
Service Manual
1
Before Returning the Receiver
2
Safety Precaution Important Service Safety Pre- Caution
2
Precautions a Prendre Lors de la Reparation
3
Employing Lead-Free Solder
4
Using Lead-Free Wire Solder
4
Soldering
4
Lead-Free Wire Solder for Servicing
4
CHAPTER 1 Specifications
5
A2 TV Broadcasts Selection
6
NICAM TV Broadcasts Selection
6
Operation Manual
6
Remote Control Unit
6
TV (Front View)
7
TV (Rear View)
7
Cautions Regarding Use in High and Low Temperature Environments
8
Troubleshooting
8
Dimensions
9
Optional Accessory
5
Chapter 2. Removing of Major Parts
10
Removing of Major Parts
10
Key Unit
11
Bottom Cover
13
After Replacement of any PWB And/Or IC for Repair, Note the Following
15
Chapter 3. Adjustment
15
RS-232C Method Description (Hyperterminal)
15
Software Updating
15
RS-232C Method Description (Tera Term)
18
How to Update the Digital Board Software.
22
Jig RS-232 Method Description
22
Entering and Exiting the Adjustment Process Mode
32
Remote Controller Key Operation and Description of Display in Adjustment Process Mode
32
Adjustment Process Mode Menu
33
Special Features
34
Entering the Adjustment Process Mode
35
RF AGC Adjustment
35
Signal Check
35
Video Signal Adjustment Procedure
35
ADC Adjustment (Component 15K)
36
White Balance Adjustment
36
Adjusting Procedure by Use of [RS-232C]
37
RS-232C Command List
37
Countermeasures
38
Initialization to Factory Settings
38
Lamp Error Detection
38
Reset Standby Cause Error List
38
How to Enter in the Public Mode (Hotel Mode)
39
Public Mode (Hotel Mode)
39
Public Mode Settings
39
Chapter 4. Trouble Shooting Table
41
No Power Supply
41
Trouble Shooting Table
41
The Backlight Does Not Light
42
No Sound (During the Reception of TV(ANALOG) Broadcasting)
43
The Sound Is Not Emitted from Speaker Though Picture Has Come out
43
No Sound (During the Reception of TV(DIGITAL) Broadcasting)
44
No Sound from External Input Devices
44
The Audio Signal Is Not Output
47
No Picture on the Display
49
Chapter 5. Major IC Informations
60
IC207 (RH-Ixb964Wjzzq)
60
Major IC Informations
60
Ic1301 (Vhinjm2750M-1Y)
61
Ic1401 (Vhism5309Av-1Y)
61
Ic1501 (Vhiisl83220-1Y)
62
Ic1702/1735/1745 (Vhilv5805M+-1Y)
63
IC1951 (Vhisii9025+-1Q)
63
IC2701 (Vhiyda147Sz-1Y)
67
Ic3001 (Rh-Ixc354Wjzzq)
68
Ic4001 (Rh-Ixc243Wjzzq)
72
Ic4251 (Rh-Ixc361Wjzzq)
77
Ic4410 (Vhiaoz1320C-1Y
77
Ic8103 (Vhit3Z18Afg-1Q)
78
Ic8201 (Vhibd8143Mu-1Y)
80
Ic8202 (Vhibu55041+-1Y)
81
Ic8402 (Vhibd8162Ek-1Q)
81
Chapter 6. Block Diagram/Overall Wiring Block Diagram
83
System Block Diagram
85
Overall Wiring Diagram
86
BLIES 1] MAIN Unit
87
Chapter 7 . Printed Wiring Board Assem-
87
MAIN Unit
87
Printed Wiring Board Assemblies
87
R/C, LED Unit
91
MINI AV Unit
92
Key
93
Chapter 8. Schematic Diagram
94
Description of Schematic Diagram
94
Indication of Resistor & Capacitor
94
Voltage Measurement Condition
94
KEY Unit
110
Power Supply & Inverter Block Diagram
112
Power Supply Block Diagram
114
Inverter Block Diagram
115
Parts Guide
117
Cabinet Parts
136
Lcd Module Assembly
138
Supplied Accessories
139
Packing Parts
140
5
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Sharp LC-32D44E Specifications
General
Brand
Sharp
Model
LC-32D44E
Category
LCD TV
Language
English
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