This service manual provides service instructions for the V23, V23+, v23++ and V23+++ PTV chassis types. The
specific models for each chassis type are listed below. Service personnel should read this manual thoroughly before
servicing these chassis.
V23 Chassis V23+ Chassis V23++ Chassis V23+++ Chassis
WS-48513 WS-48613 WS-65713 WS-55813
WS-55513 WS-55613 WS-73713 WS-65813
This service manual includes:
1. Assembly and disassembly instructions for the front and rear cabinet components.
2. Servicing of the Lenticular Screen and Fresnel Lens.
3. Servicing printed circuit boards (PCBs).
4. CRT replacement procedure.
5. Electrical 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 under-
standing of the circuitry. PCB drawings are also included for easy location of parts and test points.