Ptv Screen Assemblies; B+ Voltages Table - Panasonic PT- 65WX51E Service Manual

Label on
lower left corner
(front side)
Labels on
opposite sides
Label on
lower left corner
(rear side)
REAR
Preparation:
Set the following controls
Picture.......................... Normal.
Bright ...........................Normal.
Volume ......................... Min. (0).
Procedure:
1. Apply a monoscope pattern.
2. Connect the (-) Lead of the Digital Voltmeter to TP
GND1 (Cold Ground).
3. Connect the (+) Lead of the Digital Voltmeter to
each Test Point and confirm the B+ Voltages (See
Table 3).

PTV Screen Assemblies

Protective Screen
Figure 20. Screen Assemblies.

B+ Voltages Table

Fresnel Screen
(note circular ridges)
No. Test Point (D-Board)
1 TPD14
2 TPD13
3 TPD12
4 TPD11
5 TPD10
6 C845 (-)
No. Test Point (A-Board)
1 TPA031
2 TPA030
Table 3: B+ Voltages Table
- 15 -
FRONT
Front Cabinet
Lenticular Screen
(note vertical ridges)
Voltage
138.6 1.0
±
19.0 ± 1.5
19.0 1.5
±
-19.0 1.5
±
22.0 1.5
±
-22.5 ± 1.5
Voltage
9.0 0.5
±
5.0 0.5
±
Service Manual