Panasonic
The service technician is required to read and follow the “Safety Precautions” and “Important Safety Notice” in the Main Manual.
Service Manual
Color Video Projection System
(P4C)
Simplified Manual
Copyright 2000 by Matsushita Electric Corporation of
America. All rights reserved. Unauthorized copying
and distribution is a violation of law.
“WARNING! This Service Manual is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to
service or repair the product or products dealt with in this Service Manual by anyone else could result in serious injury or death.”
Chassis
PT-56SX30B FP816
PT-56SX30CB FP816
PT-56D30B GP816
PT-56D30CB GP816
Models
ORDER NO. MTNC000524A1
B2
®
This Simplified Service Manual is issued to add listed models to the Main Service Manual order No. MTNC000211C1.
(PT-61D30B/CB) A full set of schematics, disassembly procedures, and a complete parts list are included in this
Simplified Manual. Please file and use this Simplified Service Manual together with Main Service Manual, order No.
MTNC000211C1. (PT-61D30B/CB)
S
i
m
p
l
i
f
i
e
d
Note: Appearance may
vary depending on model
characteristics.
- 7 -
Service Manual
Feature Table
FEATURE
PT-56SX30B
PT-56SX30CB
PT-56D30B
PT-56D30CB
Chassis P4C P4C
Tunning system 144K 144K
# of channels 181 181
Menu language Eng/Span/Fr Eng/Span/Fr
Closed Caption (CC) X X
V-Chip (USA/Canada) X X
2RF X X
Antenna
Input X X
Picture In Picture (PIP) 2T 2T
Remote control # EUR511151C EUR5111500
Screen protector X X
Comb filter 3DIG Y/C 3DIG
H. edge correction W/ VER W/ VER
Y NR X --
VM X X
V/A norm Both Both
Color Temp X --
Dyn color/Peak white X X
AIP X --
Natural AI X --
MTS/SAP/DBX X X
Bass/Bl/Treb control X X
AI sound Simple Simple
Spatializer X X
Built-in audio power 10W/CH (10%) 10W/CH (10%)
# of speakers 2 2
A/V in (rear/front) 4 (3/1) 3(2/1)
Component input 1 1
S-VHS in (rear/front) 2/1 1/0
Audio out Fixed & Variable Fixed & Variable
A/V Prog Out X --
Dolby Center Ch In X --
Dimensions mm
WxDxH in
1196x683x1417
47x26.8x55.68
1196x683x1417
47x26.8x55.68
Weight (kg/lbs) 116/255.7 116/255.7
Power source (V/Hz) 120V 60Hz 120V 60Hz
Anode voltage 31.5kV ± 1.0kV 31.5kV ± 1.0kV
Video input jack
1V
p-p
75Ω, phono
jack
1V
p-p
75Ω, phono
jack
Audio input jack 500mV RMS 47kΩ 500mV RMS 47kΩ
Table 1: Feature Table
Specifications are subject to change without notice or obligation.
Dimensions and weights are approximate.
- 8 -
Service Manual
PCB Designation
BOARD
PT-56SX30B
PT-56SX30CB
PT-56D30B
PT-56D30CB
BOARD DESCRIPTION
A-Board TNP2AH021 NIL AA Main chassis
B-Board TNPH0121 AG AG Power supply
C-Board TNPA1513 AB NIL Convergence
D-Board TNPA0609 AB AB Protection circuit
F-Board TNP2AA055 TNP2AA056AA Digital 3-line comb filter
G-Board TNP2AA049 AC NIL Front A/V connections
K-Board TNP2AA050 AC NIL Costumer controls
LB-Board TNPA0784 BA BA Blue CRT drive
LG-Board TNPA0783 BA BA Green CRT drive
LR-Board TNPA0782 BA BA Red CRT drive
N-Board TNP2AA027 AB AB 2nd tuner
R-Board TNPA0615 NIL NIL Remote sensor
T-Board TNP2AA045 AD AD Line filter
X-Board TNP2AA063 NIL AA A/V inputs
Y-Board TNPA1059 AC AC PIP processing
Table 2: PCB Designation
Note: The C & F-Board (TNPA1513 &
TNP2AA055 & TNP2AA056AA) are
Non-Serviceable. If either board is
defective, replace the board with a
new one, and return the defective
board to the Service Center.
IMPORTANT
This Simplified Service Manual includes only boards with particular application for the listed
models, for the rest of the schematics and PCBs, with general use in this chassis, refer to
Main Service Manual MTNC000211C1 (PT-61D30B/CB)
- 11 -
Service Manual
BOARD DESCRIPTION
B+ Voltages Table
Preparation:
Set the following controls
Picture..........................Normal.
Bright ...........................Normal.
Volume.........................Min. (0).
Procedure:
1. Apply a monoscope pattern.
2. Connect the (-) Lead of the Digital Voltmeter to
TPBGND (Cold Ground) on B-Board.
3. Connect the (+) Lead of the Digital Voltmeter to
Test Point (On B-Board) and confirm the B+
Voltages (See Table 3).
BOARD DESCRIPTION
A-Board Main chassis
MPU, Audio Amp, Convergence,
Amp and Volt Regulation
B-Board Power supply
Horizontal Deflection and High
voltage protector
C-Board Convergence
Digital Convergence
D-Board Protection circuit
EHT protector, over deflection
blanking, Vertical stop blanking
F-Board Comb filter
Digital 3-line comb filter
G-Board A/V connections
Front A/V connections
K-Board Costumer controls
Keyboard
LB-Board Blue CRT drive
LG-Board Green CRT drive
LR-Board Red CRT drive
N-Board 2nd tuner
2nd tuner processing
R-Board Remote sensor
Remote control board
T-Board Line filter
X-Board A/V inputs
VAO,FAO
Y-Board PIP processing
No. Test Point Voltage
1 TPB140 138.5±1.0
2 TPB15 15.0
±1.0
3 TPB7 7.0±0.5
4TP23 23.0
±1.0
5 TPB23N -23.5±1.0
6 TPB32 16.5
±1.0
Table 3: B+ Voltages Table
PT-56D30B/CB & PT-56SX30B/CB
ABCDEFGH
1
2
3
4
5
MTNC000524A1
Lado A Side A
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
.
Schematic Notes
1. Resistors are carbon 1/4W unless
noted otherwise.
2. Capacitors are ceramic 50V unless
noted otherwise.
3. Coil value notes is inductance in µH.
4. Test point indicated by ; Test point
but no pin .
5. Components indicated with are
critical parts and replacement should
be made with manufacture specified
replacement parts only.
6. (BOLD LINE) indicates
the route of B+ supply.
7. The schematic diagrams are
current at the time of printing and
are subject to change without
notice.
8. Ground symbol indicates HOT
GROUND CONNECTION;
indicates COLD GROUND.
NOTE: All other component symbols
are used for engineering
design purposes.
Voltage Measurements
1. Voltage measurement:
- AC input to the Receiver is 120V.
NTSC (HD, 1125i & 525P when
applicable) signal generator is
connected to the antenna of the
Receiver. (Color bar pattern of
100 IRE white and 7.5 IRE black.)
- All Picture and Audio adjustments
are set to Normalize.
TV ANT/CABLE - (Set-Up Menu)
in TV/ANT Mode
Volume - Min.
TV/Video SW - TV position
Audio Mode - Stereo
- Voltage readings are nominal
and may vary ±10% on active
devices. Some voltage
reading will vary with signal
strength and picture content.
- Supply voltages are nominal.
2. Ground symbol indicates
ground lead connection of meter.
Incorrect ground connection will
result in erroneous readings.
CAUTION: Incorrect ground
connection of the test equipment
will result in erroneous readings.
Waveform Measurements
1. indicates waveform measurement.
(Measurement can be taken at the
best accessible location in common
to the indicated point.)
2. Taken with an NTSC signal
generator connected to the antenna
terminal. (NTSC color bar pattern of
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.
5. Ground symbol shown on
waveform number indicates (Hot)
ground lead connection of the
Oscilloscope.
CAUTION: Incorrect ground
connection of the test equipment will
result in erroneous readings.
3
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
Overlapping Section
See Sheet 2 Side A for Right Portion of Schematic
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)
Sobreponga aquí la Sección Derecha.
Ver Página 2 Lado A
IMPORTANT SAFETY NOTICE
THIS SCHEMATIC DIAGRAM INCORPORATES SPECIAL FEATURES
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.
A-Board Schematic
PT-56D30B/CB, PT-56SX30B/CB
Diagrama Eléctrico Tarjeta A
PT-56D30B/CB, PT-56SX30B/CB
Página 1 de 2
Sheet 1 of 2
IMPORTANT
For BOARDS LAYOUT, ICs and TRANSISTORS VOLTAGES
and WAVEFORMS refer to Main Service Manual
MTNC000211C1 (PT-61D30B/CB)
A-Board Schematic, Left Portion, PT-56D30B/CB, PT-56SX30B/CB
Diagrama Eléctrico Tarjeta A, Sección Izquierda, PT-56D30B/CB, PT-56SX30B/CB
Foldout Page1a-b.fm Page 1 Wednesday, July 12, 2000 11:39 AM
HGFEDCBA
1
2
3
4
5
PT-56D30B/CB & PT-56SX30B/CB
MTNC000524A1
Side B
Lado B
CHIP TRANSISTOR
LEAD DESIGNATION
IMPORTANT SAFETY NOTICE
THIS SCHEMATIC DIAGRAM INCORPORATES SPECIAL FEATURES
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.
B
E
C
IDENTIFICACIÓN DE TERMINALES
PARA TRANSISTORES EN
CHIP
Voltage Measurements
1. Voltage measurement:
- AC input to the Receiver is 120V.
NTSC (HD, 1125i & 525P when
applicable) signal generator is
connected to the antenna of the
Receiver. (Color bar pattern of
100 IRE white and 7.5 IRE black.)
- All Picture and Audio adjustments
are set to Normalize.
TV ANT/CABLE - (Set-Up Menu)
in TV/ANT Mode
Volume - Min.
TV/Video SW - TV position
Audio Mode - Stereo
- Voltage readings are nominal
and may vary ±10% on active
devices. Some voltage
reading will vary with signal
strength and picture content.
- Supply voltages are nominal.
2. Ground symbol indicates
ground lead connection of meter.
Incorrect ground connection will
result in erroneous readings.
CAUTION: Incorrect ground
connection of the test equipment
will result in erroneous readings.
Schematic Notes
1. Resistors are carbon 1/4W unless
noted otherwise.
2. Capacitors are ceramic 50V unless
noted otherwise.
3. Coil value notes is inductance in µH.
4. Test point indicated by ; Test point
but no pin .
5. Components indicated with are
critical parts and replacement should
be made with manufacture specified
replacement parts only.
6. (BOLD LINE) indicates
the route of B+ supply.
7. The schematic diagrams are
current at the time of printing and
are subject to change without
notice.
8. Ground symbol indicates HOT
GROUND CONNECTION;
indicates COLD GROUND.
NOTE: All other component symbols
are used for engineering
design purposes.
0
Waveform Measurements
1. indicates waveform measurement.
(Measurement can be taken at the
best accessible location in common
to the indicated point.)
2. Taken with an NTSC signal
generator connected to the antenna
terminal. (NTSC color bar pattern of
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.
5. Ground symbol shown on
waveform number indicates (Hot)
ground lead connection of the
Oscilloscope.
CAUTION: Incorrect ground
connection of the test equipment will
result in erroneous readings.
3
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
.
T-Board Schematic
PT-56D30B/CB & PT-56SX30B/CB
Sheet 1 of 2
Página 1 de 2
Tarjeta T
Diagrama Eléctrico
PT-56D30B/CB & PT-56SX30B/CB
T-Board - PT-56D30B/CB & PT-56SX30B/CB
Tarjeta T, PT-56D30B/CB & PT-56SX30B/CB
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
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 Main Service Manual
MTNC000211C1 (PT-61D30B/CB)
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)
Foldout Page1a-b.fm Page 2 Wednesday, July 12, 2000 11:39 AM
PT-56D30B/CB & PT-56SX 30B/CB
ABCDEFGH
1
2
3
4
5
MTNC000524A1
Lado A Side A
Overlapping Section
See Sheet 1 Side A for Left Portion of Schematic
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
.
Medición de Voltajes
1. Medición de voltaje:
- El voltaje de entrada al Receptor
es de 120V de Corriente Alterna.
Un generador de patrones con
formato NTSC se conecta a la
entrada de la antena. (Patrón de
Barras de Colores con 100 IREs
para el Blanco y 7.5 IREs para el
Negro.)
- Los ajustes de los Menus Picture y
Audio se normalizan.
En el Menú Set-Up, en la opción
ANTENA, se selecciona el modo de
CABLE.
El nivel de Volumen se minimiza.
De los modos TV y Video,
seleccionar el modo TV.
Seleccionar modo Estereo del
Audio.
- Las mediciones de los voltajes
son nominales y pueden variar
hasta 10% en componentes en
funcionamiento. Las lecturas
de los voltajes pueden variar
por la potencia de la señal y el
contenido de la imagen.
- Las fuentes de voltajes son
nominales.
2. El símbolo indica el tipo de tierra
que se utiliza en la conexión del
medidor.
PRECAUCION: Si no se utiliza la
conexión a la tierra adecuada, se
obtendrán mediciones equivocadas
y podría dañar el equipo de
medición.
Medición de Formas de Onda
1. Un símbolo como indica el punto
para medir una señal. (La medición
puede hacerse en el punto con
mayor accesibilidad, siempre que
sea común al indicado.)
2. Se midieron utilizando un generador
con formato NTSC conectado a la
terminal de la antena. (Patrón de 8
Barras de Colores EAI, formato
NTSC de 100 IREs para el Blanco y
7.5 IREs para el Negro.)
3. Los ajustes de usuario de los Menus
PICTURE y AUDIO se normalizaron.
Posteriormente el nivel de volumen
se ajusta al mínimo.
4. Las formas de onda de Video y
Color fueron tomadas con un
osciloscopio de banda alta y con
un punta de prueba de baja
capacitancia (10 a 1). La forma y
amplitud de las ondas puede
variar según el tipo de
osciloscopio que se utilice y sus
características.
5. El símbolo de tierra que
aparece junto al número de la
forma de onda, indica que se
utiliza conexión a Tierra Caliente
en el extremo negativo de la
punta de prueba.
PRECAUCION: Si no se utiliza la
conexión a la tierra adecuada, se
obtendrán mediciones equivocadas
y podría dañar el equipo de
medición.
3
Notas de los Diagramas
1. Las Resistencias son de Carbón de 1/4W,
a menos que se indique otra
característica.
2. Los Capacitores son de Cerámica para
50V, a menos que se indique otra
característica.
3. El valor indicado de las Bobinas es la
inductancia expresada en µH.
4. Los puntos de prueba en la terminal de
algún componente son indicados por
Los puntos de prueba fuera de los
componentes se indican con .
5. Los componentes señalados con el
símbolo son considerados
componentes críticos y deben ser
reemplazados sólo con las partes
especificadas por el fabricante.
6. (LINEA GRUESA) indica las
líneas de alimentación de los Voltajes
B+.
7. Los diagramas eléctricos están sujetos
a cambio sin previo aviso.
8. El símbolo indica que es una
conexión a Tierra Caliente y el
símbolo indica conexión a Tierra
Fría.
NOTA: Los demas símbolos de
componentes incluidos son
usados con fines de diseño.
Sobreponga aquí la Sección Izquierda
Ver Página 1 Lado A
IMPORTANT SAFETY NOTICE
THIS SCHEMATIC DIAGRAM INCORPORATES SPECIAL FEATURES
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.
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
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)
A-Board Schematic
Right Portion
PT-56D30B/CB/ & PT-56SX30B/CB
Diagrama Eléctrico Tarjeta A
Sección Derecha;
PT-56D30B/CB & PT-56SX30B/CB
Página 2 de 2
Sheet 2 of 2
IMPORTANT
For BOARDS LAYOUT, ICs and TRANSISTORS VOLTAGES and
WAVEFORMS refer to Main Service Manual MTNC000211C1
(PT-61D30B/CB)
A-Board Schematic, Right Portion, PT-56D30B/CB, PT-56SX30B/CB
Diagrama Eléctrico Tarjeta A, Sección Derecha, PT-56D30B/CB, PT-56SX30B/CB
Foldout Page2a.fm Page 1 Wednesday, July 12, 2000 11:40 AM
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en otros idiomas
- English: Panasonic PT-56D30CB User manual
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