Sharp 20F650 Service Manual

Download Service manual of Sharp 20F650 - 20" CRT TV CRT TV, TV for Free or View it Online on All-Guides.com.

Brand: Sharp

Category: CRT TV , TV

Type: Service manual for Sharp 20F650 - 20" CRT TV

Pages: 50

Download Sharp 20F650 - 20" CRT TV Service manual

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20F650
SHARP CORPORATION
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. GA-4
Page
» ELECTRICAL SPECIFICATIONS .........................................................................................................1
» IMPORTANT SERVICE SAFETY PRECAUTION .................................................................................2
» LOCATION OF USER'S CONTROL .....................................................................................................6
» INSTALLATION AND SERVICE INSTRUCTIONS ................................................................................7
» SERVICE MODE ..................................................................................................................................8
» ADJUSTMENT METHOD ...................................................................................................................14
» CHASSIS LAYOUT .............................................................................................................................28
» BLOCK DIAGRAM ..............................................................................................................................29
» WAVEFORMS .....................................................................................................................................33
» DESCRIPTION OF SCHEMATIC DIAGRAM......................................................................................34
» SCHEMATIC DIAGRAMS ...................................................................................................................35
» PRINTED WIRING BOARD ASSEMBLIES ........................................................................................39
» REPLACEMENT PARTS LIST ............................................................................................................43
» PACKING OF THE SET ......................................................................................................................49
CONTENTS
SPEAKER
SIZE ................................................................... 12 x 5 cm, 2pcs
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
(EIA, Channel Plan U.S.A.)
POWER INPUT .................................................... AC 120 V, 60 Hz
POWER RATING .................................................................... 88W
PICTURE SIZE .......................................... 1,239 cm
2
(192sq inch)
CONVERGENCE ............................................................. Magnetic
SWEEP DEFLECTION .................................................... Magnetic
FOCUS .................................................. QFP/UNI-B1 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 ........................................ 2.5 W(RMS) x 2pcs
Specifications are subject to change without
prior notice.
ELECTRICAL SPECIFICATIONS
MODEL
SERVICE MANUAL
20F650
S35F420F650///