JVC 340 SC - Manual (Page 11)

Chapter 1---Introduction
1-2 Model 330, 340SC and 370SC Service Manual
RTG Raster Timing Generator
SCB System Control Board
SPS System Power Supply
TTL Transistor-Transistor Logic
VAB Video Amplifier Board
VCO Voltage Controlled Oscillator
VDB Vertical Deflection Board
VIN Video Input
VPB Video Processor PCB
VSYNC Vertical Sync
VTR Video Tape Recorder
1.2 Safety
High voltages and high intensity light sources exist in the Model 330, 340SC and
370SC Projector Systems and power supplies. Prior to performing any procedures,
adjustments or maintenance review the chapter on Safety Information at the front
of this manual.
1.3 Updates
This manual will be updated with information provided by Service Bulletins and
manual supplements whenever necessary.
1.4 Hardware Compatibility
The table below lists part numbers currently compatible between the Model 330,
340SC and 370SC projectors, and those parts that are different in each.
Table 1-1 Hardware Compatibility
Printed Circuit Boards 330 340SC 370SC
DIFFERENT PART NUMBERS
Lamp Assembly 900611S 104651 104120
Ignitor 102083 102207 104475
System Power Supply 104070 104071 104038
High Voltage Power Supply 100562 100562 103769
SAME
Raster Timing Generator 100568 100568 100568
Horizontal Deflection Board 102523 102523 102523
Vertical Deflection Board 102521 102521 102521
Video Processing Board 104672 104672 104672