Philips PTV500 series Manuals

Manuals and User Guides for Philips PTV500 series. We have 1 Philips PTV500 series manual available for free PDF download: Service Manual

Philips PTV500 series Service Manual

Philips PTV500 series Service Manual (48 pages)

Brand: Philips | Category: Projection TV | Size: 1.32 MB

Table of Contents

Table of Contents
2
Servicing and Safety Precautions
4
Introduction
5
Signal Flow
6
Shutdown
7
PTV Power Supply Module
7
Shutdown Circuitry
8
Troubleshooting the PTV System
10
Access
10
Diagnostic Leds of the Power Supply
10
Deflection Failures, Video Blanking, and High Voltage Shutdown
11
Video Troubles
12
In-Home Adjustments
13
Ground Connections for Test Equipment
13
Unless Otherwise Specified
13
On-Screen Menu Positioning
13
RF AGC Delay
13
VCO & AFT Adjustment
14
Sound Alignment
15
Sub-Contrast Alignment
15
Comb Filter Alignment
15
Sub-Brightness Adjustment
15
Dynamic Gamma
16
High Voltage Frequency Adjustment
16
Video Level Alignment
16
Vertical Height Adjustment
17
Vertical Blanker Adjustment
17
130Vdc Adjust
17
Stereo Decoder Alignments
18
Composite Input Level Adjustment
18
Stereo DBX Filter
18
Pilot VCO Adjustment
18
300Hz Separation
19
3Khz Separation
19
Focus Adjustments (Electrical and Optical)
19
Screen (G2) Adjustment Procedure
20
Gray Scale Tracking
21
Sub-Brightness Adjustment Procedure
21
Screen Geometric and Centering Adjustments
22
Green Screen Geometry Adjustments
23
Blue Screen Convergence Procedure
23
Red Screen Convergence Procedure
24
Test Mode Entry and Exit
25
Programming Factory Default Values
26
Adjustment of Registers in Test Mode
26
Description of Test Mode "C
26
System Information/Diagnostics
27
Simplified Drawings
30
Figure
30
PTV500 Block Diagram
37
Figure 13 - PTV500 Cable Connections
42
Connections
43
- Figure 15 - PTV500 Jack Panel Connections
  44
- Figure 17 - PTV500 CRT Connections
  46

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