Adjustment Procedure - Panasonic TX-29E355RF-IRAN Service Manual

2.5.

Adjustment Procedure

2.5.1. +B Voltage
Item / preparation
1. Operate the TV set.
2. Set control as follows :
Brightness ........... minimum
Contrast ............... minimum
Adjustment procedure
1. Confirm the DC voltage at the indicated test points, as
follows :
TPD 023 ~ GND : 136.0V ± 1V
TPD 021 ~ GND : 10.8V ± 1V
TPD 012 ~ C858(-) : 16.5 ± 2V
2.5.2. High Voltage
Item / preparation
1. Receive the crosshatch pattern.
2. Set to 0 Beam.
Screen VR .......... minimum
Contrast .............. minimum
Adjustment procedure
1. Connect a DC voltage meter to TPD 023 and confirm the
+B voltage is 136.0 ± 1V.
2. Connect a high frequency voltmeter to heater and confirm
that voltage reads 6.3 ± 0.3 (VRMS).
3. Normalize the brightness and contrast.
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TX-29E355RF-IRAN