Sharp SX68JS10, Service Manual

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1
SX68JS10
WARNING
The chassis in this receiver is partially hot. Use an isolation transformer between the line cord plug and power
receptacle, when servicing this chassis. To prevent electric shock, do not remove cover. No user – serviceable
parts inside. Refer servicing to qualified service personnel.
SERVICE MANUAL
COLOUR TELEVISION
Chassis No. SP-91
S79L8SX68JS10
In the interests of user-safety (Required by safety regula-
tions in some countries) the set should be restored to its
original condition and only parts identical to those specified
be used.
MODEL
SERVICE MANUAL
COLOUR TELEVISION
MODEL SX68JS10
Page
FEATURES .................................................................................................................................................... 2
ELECTRICAL SPECIFICATIONS .................................................................................................................. 2
IMPOTANT SERVICE NOTES ....................................................................................................................... 3
ADJUSTMENT PRECAUTION ....................................................................................................................... 4
SERVICE ADJUSTMENT .............................................................................................................................. 8
TROUBLE SHOOTING TABLE .................................................................................................................... 17
SOLID STATE DEVICE BASE DIAGRAM ................................................................................................... 22
WAVEFORMS .............................................................................................................................................. 23
CHASSIS LAYOUT ...................................................................................................................................... 24
BLOCK DIAGRAM ....................................................................................................................................... 26
DESCRIPTION OF SCHEMATIC DIAGRAM ............................................................................................... 30
SCHEMATIC DIAGRAM .............................................................................................................................. 31
PRINTED WIRING BOARD ASSEMBLIES .................................................................................................. 42
REPLACEMENT PARTS LIST ..................................................................................................................... 51
CONTENTS
SX68JS10
SHARP CORPORATION
SX68JS10