Sharp LC-20AV7U Service Manual - Page 35

Fschematic Diagrams / Cba's And Test Points

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SCHEMATIC DIAGRAMS / CBA'S AND TEST POINTS NOTE: CBA AND PWB MEANS PRINTED WIRING BOARD. Standard Notes Many electrical and mechanical parts in this chassis have special characteristics. These characteristics often pass unnoticed and the protection afforded by them cannot necessarily be obtained by using replacement components rated for higher voltage, wattage, etc. Replacement parts that have these special safety characteristics are identified in this manual and its supplements; electrical components having such features are identified by the mark " # " in the schematic diagram and the parts list. Before replacing any of these components, read the parts list in this manual carefully. The use of substitute replacement parts that do not have the same safety characteristics as specified in the parts list may create shock, fire, or other hazards. Note: 1. Do not use the part number shown on these drawings for ordering. The correct part number is shown in the parts list, and may be slightly different or amended since these drawings were prepared. 2. All resistance values are indicated in ohms (K=103, M=106). 3. Resistor wattages are 1/4W or 1/6W unless otherwise specified. 4. All capacitance values are indicated in µF (P=10-6µF). 5. All voltages are DC voltages unless otherwise specified. 9-1 LCVSC

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9-1
LCVSC
SCHEMATIC DIAGRAMS / CBA'S AND TEST POINTS
NOTE: CBA AND PWB MEANS PRINTED WIRING BOARD.
Standard Notes
Many electrical and mechanical parts in this chassis
have special characteristics. These characteristics
often pass unnoticed and the protection afforded by
them cannot necessarily be obtained by using
replacement components rated for higher voltage,
wattage, etc. Replacement parts that have these
special safety characteristics are identified in this
manual and its supplements; electrical components
having such features are identified by the mark "
#
" in
the schematic diagram and the parts list. Before
replacing any of these components, read the parts list
in this manual carefully. The use of substitute
replacement parts that do not have the same safety
characteristics as specified in the parts list may create
shock, fire, or other hazards.
Note:
1.
Do not use the part number shown on these
drawings for ordering. The correct part number is
shown in the parts list, and may be slightly
different or amended since these drawings were
prepared.
2.
All resistance values are indicated in ohms
(K=10
3
, M=10
6
).
3.
Resistor wattages are 1/4W or 1/6W unless
otherwise specified.
4.
All capacitance values are indicated in
µ
F
(P=10
-6
µ
F).
5.
All voltages are DC voltages unless otherwise
specified.