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MODELS: WD-57733 / WD-65733 / WD-73733 / WD-57734 / WD-65734 / WD-73734 / WD-C657 / WD-Y577
WD-Y657 / WD-57833 / WD-65833 / WD-73833
Page 5
INTRODUCTION
This service manual provides service instructions for the V36, V37, V36L, V37L and V38 chassis types. The specific
models for each chassis type, dimensions and weight are listed below. Service personnel should read this manual
thoroughly before servicing these chassis.
This service manual includes:
1. Assembly and disassembly instructions for cabinet and chassis components.
2. Servicing of the Lenticular Screen and Fresnel Lens.
3. Servicing printed circuit boards (PCBs).
4. Electrical and Mechanical adjustments.
6. Chip parts replacement procedures.
7. Circuit path diagrams.
The parts list section of this service manual includes:
1. Cabinet and screen parts.
2. Electrical parts.
Schematic and block diagrams of the above listed models are included in this service manual for better understanding
of the circuitry.
PRODUCT SAFETY NOTICE
Many electrical and mechanical parts in television receivers have special safety related characteristics. These charac-
teristics are often not evident from visual inspection nor can the protection afforded by them necessarily be obtained by
using replacement components rated for higher voltage, wattage, etc.
Replacement parts which have special safety characteristics are identified in this service manual.
Electrical components having such features are identified by shading on the schematic diagram and parts list of this
service manual, and by marking on the supplementary sheet for this chassis to be issued subsequently. Therefore,
the replacement for any safety part should be identical in value and characteristics.
Pb Solder
The PWBs used in the V36, V37, V36L, V37L and V38 chassis are constructed using Lead-Free
solder. When servicing use only recommended Lead-Free solder (refer to page 35).
MODEL CHASSIS HEIGHT WIDTH DEPTH WEIGHT
POWER
USAGE
WD-57733 V36 35" 51.3" 13.9" 62 lbs 260W
WD-65733 V36 39.5" 58.2" 15.4" 78 lbs "
WD-73733 V36 43.6" 65.2" 17.5" 107.8lbs "
WD-57734 V37 35" 51.3" 13.9" 62 lbs 265W
WD-65734 V37 39.5" 58.2" 15.4" 78 lbs "
WD-73734
V37 43.6" 65.2" 17.5" 107.8lbs "
WD-C657
V36L 39.5" 58.2" 15.4" 78 lbs 260W
WD-Y577
V37L 35" 51.3" 13.9" 62 lbs 265W
WD-Y657
V37L 39.5" 58.2" 15.4" 78 lbs "
WD-57833 V38 35" 51.3" 13.9" 62 lbs 275W
WD-65833 V38 39.5" 58.2" 15.4" 78 lbs "
WD-73833 V38 43.6" 65.2" 17.5" 107.8lbs "