B+ Voltages Table - Panasonic PT-53WX54UJ Service Manual

15. B+ voltages table

Preparation:
Set the following controls
- Picture to Normal
- Bright to Normal
- Volume to MIN (0)
Procedure:
1. Apply a NTSC COLOR BAR pattern
2. Connect the negative lead of the digital voltmeter to TPGND1 (cold
ground).
3. Connect the positive lead of the digital voltmeter to each test point
and confirm the B+ voltages.
No. D-Board Test point
1 TPD14
2 TPD13
3 TPD12
4 TPD11
5 TPD10
6 C845 (-)
No. A-Board Test points
1 TPA031
2 TPA030
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
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