LC-15A2E (serv.man13). Volume level with a signal input via AV input is higher than the volume level of the same signal via RF - Sharp TV Technical Bulletin (repair manual)

lc-15a2e (serv.man13) technical bulletin
Model
LC-15A2E (serv.man13)
Pages
3 Few pages! See other manuals at the bottom of the first or last page.
Size
153.76 KB
Type
PDF
Document
Technical Bulletin
Brand
Device
TV / LCD / Volume level with a signal input via AV input is higher than the volume level of the same signal via RF
File
lc-15a2e-sm13.pdf
Date

Read Sharp LC-15A2E (serv.man13) Technical Bulletin online

LV054
Sharp Electronics (UK) Ltd., Technical Services Group
Date:
26 April 2001
Model: LC15A2E
Ref.:
001
Colour: White
Page:
1 of 3
1. Model Name:
LC15A2E, LC20A2E
Model name
Country Code
Serial numbers affected
LC15A2E
K
311112 - 311537
LC20A2E
K
311112 - 311347
LC15A2E
E
311112 - 313068
LC20A2E
E
311112 - 312181
2. Description:
Volume level with a signal input via AV input is higher than the volume level of the same
signal via RF.
3. Action:
Set the volume level as follows:
For LC15A2E:
1.  Change R404, R403 and R430 to 10k Ohm type (VRS-CYJF103J).
2.  Change R958, R959, R960 and R961 to 43k Ohm type (VRS-CY1JF433J).
For LC20A2E:
1.  Change R452, R453, R454 to 10k Ohm type (VRS-CYJF103J).
2.  Change R958, R959, R960 and R961 to 43k Ohm type (VRS-CY1JF433J).
New Parts
Ref No.
Parts code
Price
rank
Parts name
Effective
time
Note
R404
R403
R430
R452
R453
R454
 VRS-CY1JF103J
AA
 Resistor, 10k ohm
-
R958
R959
R960
R961
 VRS-CY1JF433J
AA
 Resistor, 43k ohm
-
<Interchange>
1. Interchangeable.
4. Not interchangeable.
2. Current type can be used in place of new type.
   New type cannot be used in place of current type.
5. Interchangeable if replaced with same types of
related parts in used.
3. Current type cannot be used in place of new type.
   New type can be used in place of current type.
6. Others.
Parts marked with “         ” is important for maintaining the safety of the set.  Be sure to replace these parts
with specified ones for maintaining the safety and performance of the set.
VOLUME LEVEL WITH A SIGNAL INPUT VIA AV
INPUT IS HIGHER THAN THE VOLUME LEVEL OF
THE SAME SIGNAL VIA RF
TECHNICAL BULLETIN
LV054
Sharp Electronics (UK) Ltd., Technical Services Group
LC15A2E
Main PWB - Component side
Change R958, R959,
R960 and R961 to 43k
Ohm type (VRS-CY1J
F433J)
LC20A2E
Main PWB - wiring side
Change R404, R403
and R430 to 10k ohm type
(VRS-CYJF103J)
LV054
Sharp Electronics (UK) Ltd., Technical Services Group
LC20A2E
SUB PWB - wiring side
Change R452, R453, R454
to 10k Ohm type
(VRS-CYJF103J)
Change R958, R959, R960 and
R961 to 43k Ohm type
(VRS-CY1JF433J)
Page of 3
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Here you can read online and download Sharp LC-15A2E (serv.man13) Technical Bulletin in PDF. LC-15A2E (serv.man13) technical bulletin will guide through the process and help you recover, restore, fix, disassemble and repair Sharp LC-15A2E (serv.man13) LCD. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.