Sharp 21KF-80 Service Manual / Specification ▷ View online
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21KF-80H
Service Manual update log sheet
Part No.
Technical Report No.
Technical Bulletin No.
Technical Bulletin No.
Cause / Solution
Page No.
Application
Data /Serial No.
Data /Serial No.
Use this page to keep any special servicing information as Technical Report (Bulletin), Technical Information, etc.
If only part number changes are required, just change part number directly the part number in the Parts Listing Section.
If you need more information, please refer to the Technical Report (Bulletin).
If only part number changes are required, just change part number directly the part number in the Parts Listing Section.
If you need more information, please refer to the Technical Report (Bulletin).
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21KF-80H
ELECTRICAL SPECIFICATIONS
WARNING
The chassis in this receiver is partially hot. Use an isolation transformer between the line cord plug and
power receptacle, when servicing this chassis.
To prevent electric shock, do not remove cover. No user-serviceable parts inside. Refer servicing to
qualified service personnel.
power receptacle, when servicing this chassis.
To prevent electric shock, do not remove cover. No user-serviceable parts inside. Refer servicing to
qualified service personnel.
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Power Input .................... 220V-240 Volts AC 50Hz
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Power Consumption
Normal Operation
(Method IEC60107)
........ 49W
Stand-by Operation .................................. 3W
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Audio Power Output Rating .............. 4W x 2 (MPO)
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Speaker ............................ 16
Ω 4W, 12 x 5 cm, 2pcs
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Convergence ................... Self Converging System
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Focus ............................... Bi-Potential Electrostatic
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Sweep Deflection ..................................... Magnetic
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Picture Intermediate Frequency .............. 38.9MHz
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Sound Carrier Trap .............................. 32.9MHz
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Adjacent Sound Carrier Trap ................ 40.9MHz
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Adjacent Picture Carrier Trap .............. 30.9MHz
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Aerial Input Impedance
VHF/UHF .................... 75 ohm Unbalanced
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Tuning Ranges ......... 45.75MHz thru 855.25 MHz
VHF ....................... IR A-J
S1-S41 (HYPERBAND)
UHF ......................................... I21 - I69
CH
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White Level
Set the brightness control, with no signal connected, so that the CRT cathode current is
600
µA. The maximum
correction applied to each cathode current to achieve a screen temperature of 8900 degrees K-20 MPCD
should not exceed 15% of its original value.
should not exceed 15% of its original value.
X=0.290 ± 0.015 Y=0.284 ± 0.015
Display
