Hughes Jvc 200 Projector Service Manual

Chapter 3 Service Adjustments 
2. Remove the projector rear cover (Section 4.2). 
3. Verify that the jumper is plugged into JA50 and J101 for rear 
projection or J50 and J100 for front projection (See Figure 3-7). 
Change jumper if necessary. 
4. Replace the projector cover. 
5. When changing jumpers for front or rear screen projection, 
Centering, convergence and shading must be rechecked. 
3.9.2 Inverted Vertical Jumper Setting 
The Ceiling/Floor jumpers invert the image vertically for use in...

Chapter 3---Service Adjustments 
 
  Vertical height pots. 
Figure 3-8. Horizontal/Vertical Deflection Board. 
To adjust the Vertical height (see Figure 3-8): 
Remove the rear cover (Section 4.2).  
1. Select Test Pattern 5, X-hatch. 
 NOTE: Green is the master to which Red and Blue will be 
matched. The Green height pot should not need adjustment 
except when the Green CRT assembly has been replaced. 
2. Hide Blue and view Red and Green. 
3. If Red is higher than Green at the top and lower than Green at...

Chapter 3 Service Adjustments 
To adjust the horizontal size coils (see Figure 3-7): 
1. Continue to use Test Pattern 5, X-hatch. 
2. Hide Blue. View Red and Green. 
3. If Red is outside of Green on both sides, or inside of Green on 
both sides, use a Delrin .100 hex alignment tool to adjust the 
Red horizontal size coil to correct the error. If Red is outside of 
Green on one side and inside of Green on the other side, this is 
most likely caused by Red not being centered correctly and can 
be corrected...

Chapter 3---Service Adjustments 
7. Under Settings select Text Transfer=Standard Flow Control. 
Select OK. 
8. Under Settings select Communications and choose; 
Connector=select the PC port being used, Baud Rate=9600 or 
19200 (depending on the System Controller Switch block Pos 
4-see note below this step), Data Bits=8, Stop Bits=1, 
Parity=None, Parity Check=Off, Carrier Detect=Off, Flow 
Control=XON/XOFF. Select OK. 
NOTE: Switch position 4 on the switch block at the card edge of 
the System...

Chapter 3 Service Adjustments 
11C. During upload, a progress indicator updates the number 
of records received. At the completion of the upload, the 
system will display the following (numerical values are for 
example only and depend on the  Boot Manager version): 
 S-Records processed: 823 
 Upload Successful 
 Address Range: 0x00000000-0x00006687 
 Bytes Loaded:  26248 
 ***WARNING: FLASH WILL NOW BE UPDATED*** 
 Press Enter to continue, Esc to abort. 
11D. The system has verified that the load...

Chapter 3---Service Adjustments 
 Begin your S-Record upload now (Esc to 
abort) 
12B. Select “Transfers/Send Text File” from the Windows 
Terminal Menu (normally in Accessories window). In the 
“Send Text File Dialog” box, select “List Files of Type: All 
Files” and select the disk and/or directory with the Model 
220 software. Select file named “zsys.hex”. Press OK to 
start upload. 
12C. During upload, a progress indicator updates the number 
of records received. When the upload is complete, the...

Chapter 3 Service Adjustments 
3-18 Model 200 Service Manual 
Projection Lens: Use lens paper and wipe the lens clean in a 
vertical motion from top to bottom. Use compressed air to blow 
excess dust from the lens. An optical lens cleaning solution can 
also be used to remove finger smudges.  
ILA® Assembly: Clean the ILA® assembly faces with compressed 
air only. Do not wipe the ILA assembly faces.  
CRT Faces:  Use compressed air to blow dust off and lens paper 
to clean face.  
Relay Lens: Same as...

 Chapter 4---Maintenance (Removal/Replacement) 
4.0   Maintenance (Removal/Replacement) 
  Contents 
4.1   Introduction........................................................................\
......4-1 
4.2   Projector Covers......................................................................4-4 
4.3   Air Filters........................................................................\
..........4-5 
4.4   Arc Lamp Assembly.................................................................4-5 
4.5   Arc...

Chapter 4---Maintenance (Removal/Replacement) 
WARNING!!! Various procedures in this 
chapter involve the removal and replacement of system 
subassemblies. Ensure that the circuit breaker on the rear 
panel of the projector is turned off and the AC power plug is 
removed from the AC outlet PRIOR to attempting any of these 
procedures. 
When performing any maintenance procedures in this chapter, 
follow the guidelines below: 
Left/Right Orientation: When left and right is mentioned in this 
chapter, it is...

 Chapter 
4---Maintenance 
(Removal/Replacement) Optical Shield 
Arc Lamp Air Filter and Cover 
Lamphouse Dock and Arc Lamp 
Arc Lamp Power Supply EMI Shield Lower Right Side Panel. Remove to provide access to ALPS and LVPS. 
High Voltage Power Su
pp
ly
CRT Assemblies,
 
Relay Lenses, ILA
®s, and 
Video Amplifier PCB. Tilt Card Cage up for access.
 
Card Cage containing System Controller, Raster 
Timing Generator,
Video Processor and Video Input Cards.  
Pris
m 
Assembly
 
Rollbar Shutter Motors...