Sharp 20MR10 Service Manual
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1
20MR10
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.
ELECTRICAL SPECIFICA TIONS ......................................................................................................... 1
IMPORTANT SER VICE SAFETY PRECAUTION ................................................................................. 2
LOCATION OF USER'S CONTROL ..................................................................................................... 4
INSTALLATION AND SER VICE INSTRUCTIONS ................................................................................ 5
CHASSIS LAYOUT ............................................................................................................................. 11
BLOCK DIAGRAM .............................................................................................................................. 12
SCHEMATIC DIAGRAMS ................................................................................................................... 13
PRINTED WIRING BOARD ASSEMBLIES ........................................................................................ 20
REPLACEMENT PARTS LIST ............................................................................................................ 23
PACKING OF THE SET ...................................................................................................................... 29
Page
SHARP CORPORA TION
This document has been published to be used for after
sales service only.
The
contents
are
subject
to
change
without
notice.
CONTENTS
SER VICE MANUAL
POWER INPUT .................................................... AC 120 V, 60 Hz
POWER RATING ................................................................... 69 W
PICTURE SIZE ........................................... 1,194cm
2
(185sq 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 W (RMS)
ELECTRICAL SPECIFICA TIONS
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.
MODEL
20MR10
S11O220MR10
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