Service Manuals, User Guides, Schematic Diagrams or docs for : TOSHIBA Monitor Toshiba_50WP16A_50WP16C_50WP16H_50WP16R_50WP16EA_50HP81_[SM]
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FILE NO. 050-200122
SERVICE MANUAL
PLASMA DISPLAY MONITOR
50WP16A, 50WP16C
50WP16H, 50WP16R
50WP16EA, 50HP81
PRINTED IN JAPAN Oct.,2001 2
13 Block and Schematic Diagrams
13.1. Schematic Diagram Notes
Remarks:
Important Safety Notice 1. The Power Circuit contains a circuit area which uses a separate power supply to isolate the
earth connection.
Components identified by mark have special characteristics important for safety.
The circuit is defined by HOT and COLD indications in the schematic diagram. Take the
When replacing any of these components, use only manufacture's specified parts.
follwing precautions.
All circuits, except the Power Circuit, are cold.
Notes: Precautions
1. Resistor a. Do not touch the hot part or the hot and cold parts at the same time or you may
All resistors are cabon 1/4W resistor, unless marked as follows: be shocked.
Unit of resistance is OHM [W] (K=1,000, M=1,000,000). b. Do not short- circuit the hot and cold circuits or a fuse may blow and parts may
: Nonflammable : Metal Oxide break.
: Solid : Metal Film c. Do not connect an instrument, such as an oscilloscope, to the hot and cold
: Wire Wound : Fuse: circuits simultaneously or a fuse may blow.
2. Capacitor Connect the earth of instruments to the earth connection of the circuit being
All capacitors are ceramic 50V capacitor, unless marked as follows: measured.
Unit of capacitance is mF, unless otherwise noted. d. Make sure to disconnect the power plug before removing the chassis.
+
2. Following diodes are interchangeable.
-
: Temperature Compensation : Electrolytic
M : Polyester NP
: Bipolar MA150- MA162 (Replacement part)
m : Metalized Polyester T : Dipped Tantalum
: Polypropylene Z : Z-Type
3. Coil
Unit of inductance is mF, unless otherwise noted.
4. Test Point
: Test Point position
5. Earth Symbol
: Chassis Earth (Cold) : Line Earth (Hot)
6. Voltage Measurement
Voltage is measured by a DC voltmeter.
Conditions of the measurement are the following:
Power Source ................................................... AC 220V-240V, 50/60Hz
Power Source ................................................... (A, B and E Version)
Power Source ................................................... AC 120V, 50/60Hz (U Version)
Receiving Signal ............................................... Colour Bar signal (RF)
All customer's controls ...................................... Maximum positions
7. Number in red circle indicates waveform nember.
(See waveform pattern table.)
8. When arrow mark ( ) is found, connection is easily found from the direction of arrow
9. Indicates the major signal flow. : Video Audio
10. This schematic diagram is the latest at the time of printing and subject to change without
71
13.2. Main Block Diagram
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