ﾈ Description Of Schematic Diagram - Sharp LC-19SK25U-W Service Manual

LC-19SK25U/U-W
LC-19SB25U/U-W
LC-19SB15U
LC-19D45U
DESCRIPTION OF SCHEMATIC DIAGRAM
VOLTAGE MEASUREMENT CONDITION:
1. The voltages at test points are measured on the
stable supply voltage of AC 120V. Signals are
fed by a color bar signal generator for servicing
purpose and the above voltages are measured
with a 20k ohm/V tester.
INDICATION OF RESISTOR & CAPACI-
TOR:
RESISTOR
1. The unit of resistance "Ω" is omitted.
(K=kΩ=1000 Ω, M=MΩ).
2. All resistors are ± 5%, unless otherwise noted.
(K= ± 10%, F= ± 1%, D= ± 0.5%)
3. All resistors are 1/16W, unless otherwise noted.
CAPACITOR
1. All capacitors are µF, unless otherwise noted.
-6
µF).
(P=pF=10
2. All capacitors are 50V, unless otherwise noted.
CAUTION:
This circuit diagram is original one, therefore there may be a
slight difference from yours.
SAFETY NOTES:
1. DISCONNECT THE AC PLUG FROM THE AC
OUTLET BEFORE REPLACING PARTS.
2. SEMICONDUCTOR HEAT SINKS SHOULD BE
REGARDED AS POTENTIAL SHOCK HAZ-
ARDS WHEN THE CHASSIS IS OPERATING.
IMPORTANT SAFETY NOTICE:
PARTS MARKED WITH "Α" (
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.
AVIS DE SECURITE IMPORTANT:
LES PIECES MARQUEES "Α" (
IMPORTANTES POUR MAINTENIR LA SECURITE
DE L'APPAREIL.
NE REMPLACER CES PIEDES QUE PAR DES
PIECES DONT LE NUMERO EST SPECIFIE POUR
MAINTENIR LA SECURITE ET PROTEGER LE
BON FONCTIONNEMENT DE L'APPAREIL.
) A R E
)SONT
58