Panasonic PT56SX30B - 56" PROJECTION TV Руководство по эксплуатации - Страница 6
Просмотреть онлайн или скачать pdf Руководство по эксплуатации для Проектор Panasonic PT56SX30B - 56" PROJECTION TV. Panasonic PT56SX30B - 56" PROJECTION TV 7 страниц. Color video projection system
Печатать страницу
A
B
1
2
3
4
Voltage Measurements
1.
Voltage measurement:
-
Voltage readings are nominal
and may vary ±10% on active
-
AC input to the Receiver is 120V.
devices.
Some
NTSC (HD, 1125i & 525P when
reading will vary with signal
applicable) signal generator is
connected to the antenna of the
strength and picture content.
-
Supply voltages are nominal.
Receiver. (Color bar pattern of
100 IRE white and 7.5 IRE black.)
2.
Ground
symbol
-
All Picture and Audio adjustments
ground lead connection of meter.
are set to Normalize.
Incorrect ground connection will
TV ANT/CABLE - (Set-Up Menu)
result in erroneous readings.
in TV/ANT Mode
CAUTION:
Incorrect
Volume - Min.
connection of the test equipment
TV/Video SW - TV position
will result in erroneous readings.
Audio Mode - Stereo
5
C
T-Board - PT-56D30B/CB & PT-56SX30B/CB
Tarjeta T, PT-56D30B/CB & PT-56SX30B/CB
0
Schematic Notes
1.
Resistors are carbon 1/4W unless
6.
(BOLD LINE) indicates
noted otherwise.
the route of B+ supply.
voltage
2.
Capacitors are ceramic 50V unless
7.
The
schematic
noted otherwise.
current at the time of printing and
Coil value notes is inductance in µH.
3.
are subject to change without
4.
Test point indicated by
; Test point
notice.
indicates
but no pin .
8.
Ground symbol
5.
Components indicated with
are
GROUND CONNECTION;
critical parts and replacement should
indicates COLD GROUND.
be made with manufacture specified
NOTE: All other component symbols
ground
replacement parts only.
are used for engineering
design purposes.
D
E
Boards Designation
• A-Board - Main Chassis
• B-Board - Power Supply
• C-Board - Convergence
• D-Board - Protection Circuit
• F-Board - Digital 3-line Comb Filter
• F2-Board - 3D YC Comb Filter
• G-Board - Front AV Connections
• K-Board - Customer Controls
• LB/LG/LR-Board - Blue, Green & Red
CRT Boards
• N-Board - 2nd Tuner
• R-Board - Remote Sensor
• T-Board - Line Filter
• X-Board - AV Inputs
• Y-Board - PIP Processing
IMPORTANTE
Diagramas de Circuito Impreso, Tablas de Voltajes de referencia
de Circuitos Integrados y Transistores asi como Formas de
onda, referirse al Manual Principal No. MTNC000211C1
(PT-61D30B/CB)
Waveform Measurements
3
1.
indicates waveform measurement.
5.
Ground symbol
(Measurement can be taken at the
waveform number indicates (Hot)
diagrams
are
best accessible location in common
ground lead connection of the
to the indicated point.)
Oscilloscope.
2.
Taken
with
an
NTSC
signal
CAUTION:
Incorrect
generator connected to the antenna
connection of the test equipment will
indicates HOT
terminal. (NTSC color bar pattern of
result in erroneous readings.
8 bars of EIA colors, 100 IRE white
and 7.5 IRE black.)
3.
Customer Controls (Picture/Audio
Menu) are set to Normalize. Volume
is set to "MIN".
4.
All video and color waveforms are
taken with a wideband scope and a
probe with low capacitance (10 to 1).
Shape and peak altitudes may vary
depending
on
the
type
of
Oscilloscope used and its settings.
F
G
Indice de Tarjetas
• Tarjeta A- Chasis Principal
• Tarjeta B- Fuente de Alimentación
• Tarjeta C- Convergencia
• Tarjeta D- Circuito de Protección
• Tarjeta F- Filtro Digital
• Tarjeta F2- Filtro Comb Digital de YC
• Tarjeta G- Entradas Frontales de AV
• Tarjeta K- Ajustes de Usuario
• Tarjetas LB/LG/LR - Tarjetas para los
TRC Rojo, Azul y Verde.
• Tarjeta N- 2do Sintonizador
• Tarjeta R- Sensor del Control Remoto
• Tarjeta T- Filtro de Alimentación
• Tarjeta X- Entradas de Audio y Video
• Tarjeta Y- PIP (Imagen en Imagen)
IMPORTANT
For BOARDS LAYOUT, ICs and TRANSISTORS VOLTAGES
and
WAVEFORMS
refer
to
MTNC000211C1 (PT-61D30B/CB)
IMPORTANT SAFETY NOTICE
THIS SCHEMATIC DIAGRAM INCORPORATES SPECIAL FEATURES
shown on
THAT ARE IMPORTANT FOR PROTECTION FROM X-RADIATION, FIRE
AND ELECTRICAL SHOCK HAZARDS.
WHEN SERVICING IT IS
ESSENTIAL THAT ONLY MANUFACTURERS SPECIFIED PARTS BE
USED FOR THE CRITICAL COMPONENTS DESIGNATED WITH A
IN
THE SCHEMATIC.
ground
NOTA DE SEGURIDAD
LOS DIAGRAMAS ELÉCTRICOS INCLUYEN CARACTERÍSTICAS
ESPECIALES MUY IMPORTANTES PARA LA PROTECCIÓN
CONTRA
RAYOS-X,
QUEMADURAS
Y
DESCARGAS
ELÉCTRICAS. CUANDO SE DE SERVICIO ES IMPORTANTE
USAR PARA REEMPLAZO DE COMPONENTES CRITICOS,
SOLO PARTES ESPECIFICADAS POR EL FABRICANTES. LOS
COMPONENTES CRITICOS ESTAN SEÑALADOS EN LOS
DIAGRAMAS POR EL SIMBOLO
.
H
Main
Service
Manual
CHIP TRANSISTOR
LEAD DESIGNATION
IDENTIFICACIÓN DE TERMINALES
PARA TRANSISTORES EN CHIP
B
C
E