Panasonic PT47WX34J - 47" PROJECTION TV, Service Manual

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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 Voltage
1 TPD14 138.6±1.0
2 TPD13 19.0±1.5
3 TPD12 19.0±1.5
4 TPD11 -19.0±1.5
5 TPD10 22.0±1.5
6 C845 (-) -22.5±1.5
No. A-Board Test points Voltage
1 TPA031 9.0±0.5
2 TPA030 5.0±0.5
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