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PTV400 series
Philips PTV400 series Manuals
Manuals and User Guides for Philips PTV400 series. We have
1
Philips PTV400 series manual available for free PDF download: Service Manual
Philips PTV400 series Service Manual (28 pages)
In-Home Service Guide
Brand:
Philips
| Category:
Projection TV
| Size: 1.04 MB
Table of Contents
Table of Contents
2
Servicing and Safety Precautions
3
Introduction
3
Signal Flow
3
Power Supply
4
Troubleshooting the PTV System: Access
5
Diagnostic Leds of the Power Supply
5
Deflection Failures, Video Blanking, and High Voltage Shutdown
6
Video Troubles
6
In-Home Adjustments
7
Ground Connections for Test Equipment
7
Unless Otherwise Specified
7
On-Screen Menu Positioning
7
RF AGC Delay
7
VCO & AFT Adjustment
7
Sound Alignment
7
Sub-Contrast Alignment
7
Video Level Alignment
8
Comb Filter Alignment
8
Sub-Brightness Adjustment
8
Dynamic Gamma
8
High Voltage Frequency Adjustment
8
Vertical Height Adjustment
8
Vertical Blanker Adjustment
8
130Vdc Adjust
9
Stereo Decoder Alignments
9
Composite Input Level Adjustment
9
Stereo DBX Filter
9
Pilot VCO Adjustment
9
300Hz Separation
9
3Khz Separation
9
Focus Adjustments (Electrical and Optical)
9
Screen (G2) Adjustment Procedure
10
Gray Scale Tracking, Sub-Brightness Adjustment Procedure
10
Screen Geometric and Centering Adjustments
11
Green Screen Geometry Adjustments
11
Blue Screen Convergence Procedure
11
Red Screen Convergence Procedure
11
Programming Factory Default Values
12
Test Mode Entry and Exit
12
Adjustment of Registers in Test Mode
12
Description of Test Mode "C
12
Simplified Drawings
14
Figure 2 - PTV410 Rearview
15
Figure 3 - PTV420 Frontview
16
Figure 4 - PTV420 Rearview
17
Figure 5 - PTV430 Frontview
18
Figure 6 - PTV430 Rearview
19
Figure 7 - PTV400 Block Diagram
20
Figure 8 - PTV Power Supply Module Block Diagram
21
Figure 9 - PTV400 Power Supply Connections
22
Figure 10 - PTV400 Shutdown Circuitry
23
Figure 14 - PTV400 Jack Panel Connections
25
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