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27R-S50
COLOR TELEVISION
Chassis No. SN-010
In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its
original condition and only parts identical to those specified should be used.
S21O627R-S50/
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ELECTRICAL SPECIFICATIONS ......................................................................................................... 1
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IMPORTANT SERVICE SAFETY PRECAUTION ................................................................................. 2
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LOCATION OF USER'S CONTROL ..................................................................................................... 4
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INSTALLATION AND SERVICE INSTRUCTIONS ................................................................................ 5
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CHASSIS LAYOUT ............................................................................................................................. 11
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BLOCK DIAGRAM .............................................................................................................................. 12
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SCHEMATIC DIAGRAMS ................................................................................................................... 13
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PRINTED WIRING BOARD ASSEMBLIES ........................................................................................ 18
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REPLACEMENT PARTS LIST ............................................................................................................ 23
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PACKING OF THE SET ...................................................................................................................... 31
Page
SHARP CORPORATION
CONTENTS
SERVICE MANUAL
This document has been published to be used for after
sales service only.
The contents are subject to change without notice.
MODEL
POWER INPUT .................................................... 120 V AC 60 Hz
POWER RATING ................................................................. 105 W
PICTURE SIZE ........................................... 2,187cm
2
(339sq inch)
CONVERGENCE ............................................................. Magnetic
SWEEP DEFLECTION .................................................... Magnetic
FOCUS ............................................... Hi-Bi-Potential Electrostatic
INTERMEDIATE FREQUENCIES
Picture IF Carrier Frequency ..................................... 45.75 MHz
Sound IF Carrier Frequency ...................................... 41.25 MHz
Color Sub-Carrier Frequency .................................... 42.17 MHz
(Nominal)
AUDIO POWER
OUTPUT RATING ..................... 1.5W + 1.5W (at 10% distortion
and Dual CH Operate)
ELECTRICAL SPECIFICATIONS
SPEAKER
SIZE ...................................................................... 8 cm (Round)
VOICE COIL IMPEDANCE ............................ 32 ohm at 400 Hz
ANTENNA INPUT IMPEDANCE
VHF/UHF ..................................................... 75 ohm Unbalanced
TUNING RANGES
VHF-Channels ............................................................... 2 thru 13
UHF-Channels ............................................................ 14 thru 69
CATV Channels ........................................................... 1 thru 125
(EIA, Channel Plan U.S.A.)
Specifications are subject to change without
prior notice.
27R-S50
Summary of Contents for 27R-S50
Page 11: ...11 6 5 4 3 2 1 A B C D E F G H 27R S50 CHASSIS LAYOUT ...
Page 12: ...12 6 5 4 3 2 1 A B C D E F G H 27R S50 BLOCK DIAGRAM ...
Page 14: ...15 27R S50 14 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM MAIN 1 Unit ...
Page 15: ...16 6 5 4 3 2 1 A B C D E F G H 27R S50 SCHEMATIC DIAGRAM MAIN 2 Unit ...
Page 16: ...17 6 5 4 3 2 1 A B C D E F G H 27R S50 SCHEMATIC DIAGRAM CRT and FRONT A V Unit ...
Page 18: ...21 27R S50 20 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H PWB A MAIN Unit Chip Parts Side ...