Table Of Contents; Safety Notice - Sanyo CP29ST2 Service Manual

Contents
Safety Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2
Chassis Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...3-4
lC Block Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...5-7
Protection Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...8
Service Adjustments Location.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...9
Service Adjustments with replacing Memory lC(lC802) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...10-12
Service Mode Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...13-14
Special Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...15-18
Purity and Convergence Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..19
Cabinet Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..20
Chassis Electrical Parts List.... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .(CP29ST2-OO) 21-30
(CP29ST2T-00) 31-41
(CP25ST2-00) 41-50
Safety Notice
SAFETY PRECAUTIONS
l: An isolation transformer should reconnected inthe
3: When replacing achassis in thecabinet, alwaysbe
power line between the receiver and the AC line certain that all the protective devices are installed
when a service is performed on the primary of the properly, such as, control knobs, adjustment covers
converter transformer of the set. or shields, barriers, isolation resistor-capacitor net-
works etc.. Before returning any television to the
2: Comply with all caution and safety-related notes pro- customer, the service technician must be sure that
videdon thecabinet back, inside thecabinet, on the
it is completely safe to operate without danger of
chassis orthe picture tube. electrical shock.
X-RADIATION PRECAUTION
The primary source of X-RADIATION in television receiver is the picture tube. The picture tube is specially con-
structed tolimit X-RADIATION emissions. Forcontinued X-RADIATION protection, the replacement tube mustbe
thesametypeas the original including suffix letter. Excessive high voltage may produce potentially hazardous
-RADIATION.TO avoid such hazards, the high voltage must be maintained within specified limit. Refer tothisser-
vice manual, high voltage adjustment for specific high voltage limit. lf high voltage exceeds specified limits, take
necessary corrective action.Carefully follow the instructions for+Bl volt power supply adjustment, and high volt-
age checkto maintain the high voltage within the specified limits.
PRODUCT SAFETY NOTICE
Product safety should be considered when a component replacement is made in any area of a receiver.
Components indicated by mark ~ in the parts list and the schematic diagram designate components in which
safety can be of special significance. It is particularly recommended that only parts designated on the parts list
in this manual be used for component replacement designated by mark ~ . No deviations from resistance
wattage or voltage ratings may be made for replacement items designated by mark ~ .
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