Toshiba 14AR23, Руководство по обслуживанию

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14AR23
COLOR TELEVISION
Chassis No. MSA
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 SPECIFICATIONS ..................................................................................................... .... 1
IMPORTANT SERVICE SAFETY PRECAUTION ................................................................................. 2
LOCATION OF USER'S CONTROL .................................................................................................... . 4
INSTALLATION AND SERVICE INSTRUCTIONS ................................................................................ 5
CHASSIS LAYOUT ................................................................................................................ ............. 13
BLOCK DIAGRAM ................................................................................................................. ............. 14
DESCRIPTION OF SCHEMATIC DIAGRAMS .................................................................................... 15
PRINTED WIRING BOARD ASSEMBLIES ........................................................................................ 19
REPLACEMENT PARTS LIST ........................................................................................................ .... 22
PACKING OF THE SET ............................................................................................................ .......... 27
Page
CONTENTS
SERVICE MANUAL
MODEL
POWER INPUT ........................................ 110-220 V AC 50/60 Hz
POWER RATING .................................................................... 53 W
PICTURE SIZE ........................................... 574cm2 (88.97sq 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 R ATING ....................................1 W (at 10% disto r tion)
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 thr u 125
Specifications are subject to change without
prior notice.
14AR23
AU TO VOLTAG
V OL
E
TOSHIBA CORPORATION