Schematic Diagrams - Panasonic TX-32LM70FA Service Manual
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Also See for TX-32LM70FA:
- Operating instructions manual (32 pages) ,
- Service manual (42 pages)
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Schematic Diagrams
NOTE
1.
RESISTOR
All resistors are carbon ¼W resistor, unless marked otherwise.
Unit of resistance is OHM (Ω) (k=1,000, M=1,000,000)
2.
CAPACITORS
All capacitors are ceramic 50V unless marked otherwise.
Unit of capacitance is μF unless otherwise stated.
3.
COIL
Unit of inductance is μH, unless otherwise stated.
4.
TEST POINT
Test Point Position
5.
EARTH SYMBOL
Chassis Earth (Cold)
Line Earth (Hot)
6.
VOLTAGE MEASUREMENT
Voltage is measured by a D.C. voltmeter.
Measurement conditions are as follows:
Power source
Receiving Signal
All customer controls
7.
Indicates the Video signal path
Indicates the Audio signal path
These schematic diagrams are the latest at time of printing and are subject to change without notice.
REMARKS
a.
Do not touch the hot part, or the hot and cold parts at the same time, as you are liable to a shock hazard.
b.
Do not short circuit the hot and cold circuits as electrical components may be damaged.
c.
Do not connect an instrument, such as an oscilloscope, to the hot and cold circuits simultaneously as this may cause
fuse failure. Connect the earth of the instruments to the earth connection of the circuit being measured.
d.
Make sure to disconnect the power plug before removing the chassis.
NOTE
1. The Power Supply Circuit contains a circuit area, which uses a separate power supply to isolate the earth connection.
The circuit is defined by HOT and COLD indications in the schematic diagram. All circuits, except the Power Circuit, are
COLD.
IMPORTANT SAFETY NOTICE
Components identified by
important for safety. When replacing any of these components, use
only manufacturers' specified parts.
a.c. 220V-240V, 50Hz
Colour Bar signal (RF)
Maximum position
mark have special characteristics
28
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