Sharp 27SC26BQ, Service Manual

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This document has been published to be used for after
sales service only.
The contents are subject to change without notice.
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.
COLOR TELEVISION
Chassis No. GB-D7
Page
»
ELECTRICAL SPECIFICATIONS ......................................................................................................... 1
»
IMPORTANT SERVICE SAFETY PRECAUTION ................................................................................. 2
»
LOCATION OF USER'S CONTROL ..................................................................................................... 5
»
INSTALLATION AND SERVICE INSTRUCTIONS ................................................................................ 6
»
SERVICE ADJUSTMENT ................................................................................................................... 13
»
CHASSIS LAYOUT ............................................................................................................................. 16
»
BLOCK DIAGRAM .............................................................................................................................. 17
»
DESCRIPTION OF SCHEMATIC DIAGRAMS & WAVEFORMS ........................................................ 18
»
SCHEMATIC DIAGRAMS ................................................................................................................... 19
»
PRINTED WIRING BOARD ASSEMBLIES ........................................................................................ 26
»
PARTS LIST ........................................................................................................................................ 31
»
PACKING OF THE SET ...................................................................................................................... 40
SPEAKER
SIZE ..........................................................
12
x
6
cm oval (2 pcs.)
VOICE COIL IMPEDANCE ............................. 16 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 (Analog)
CATV Channels ............................................. 1 thru 135 (Digital)
Digital Terrestrial Broadcast (VHF/UHF) ....................... 2 thru 69
(EIA, Channel Plan U.S.A.)
POWER INPUT ..................................................... 120V AC, 60 Hz
POWER RATING .................................................................. 110W
PICTURE SIZE ....................................... 2,193.5 cm 2 (339sq inch)
CONVERGENCE ............................................................. Magnetic
SWEEP DEFLECTION .................................................... Magnetic
FOCUS ............................................... Hi-Bi-Potential Electrostatic
INTERMEDIATE FREQUENCIES
Picture IF Carrier Frequency ...... 45.75 MHz (Analog Terrestrial)
Sound IF Carrier Frequency ....... 41.25 MHz (Analog Terrestrial)
Color Sub-Carrier Frequency ..... 42.17 MHz (Analog Terrestrial)
IF Center Frequency ........................ 44 MHz (Digital Terrestrial)
(Nominal)
AUDIO POWER
OUTPUT RATING .............. 3.0W + 3.0W (at 10% distortion and
Dual CH Operate)
Specifications are subject to change without
prior notice.
ELECTRICAL SPECIFICATIONS
MODEL
SERVICE MANUAL
27SC
26BQ
CONTENTS
27SC26BQ