- 12 -
CIRCUIT CHECK
HIGH VOLTAGE CHECK
CAUTION: There is no HIGH VOLTAGE ADJUSTMENT on this chassis. Checking should be done following the steps
below.
1. Connect an accurate high voltage meter to the second anode of the picture tube.
2. Turn on the receiver. Set the BRIGHTNESS and CONTRAST controls to minimum (zero beam current).
3. High voltage must be measured below (B) kV.
Refer to table-1 for high voltage (B).
(See SETTING & ADJUSTING DATA on page 13)
4. Vary the BRIGHTNESS control to both extremes to be sure the high voltage does not exceed the limit under any conditions.
Summary of Contents for 28ZH46P
Page 13: ... 13 ...
Page 28: ...POW DEF BOARD 28ZH46P PD1245C 32ZH46P PD1245D U903 BOTTOM FOIL SIDE 31 30 ...
Page 33: ... 1 9 28ZH46P 32ZH46P SIGNAL SCART VIDEO FRONT END SHEET 1 5 ...
Page 34: ... 2 9 28ZH46P 32ZH46P SIGNAL AUDIO PROCESSING AND MUTING SHEET 2 5 ...
Page 35: ... 3 9 28ZH46P 32ZH46P SIGNAL PROCESSOR AND MEMORY SHEET 3 5 ...
Page 36: ... 4 9 28ZH46P 32ZH46P SIGNAL VIDEO BACK END PROCESSING SHEET 4 5 ...
Page 37: ... 5 9 28ZH46P 32ZH46P SIGNAL POWER SUPPLY AND REGULATION SHEET 5 5 ...
Page 39: ... 7 9 28ZH46P 32ZH46P POWER DEFLECTION POWER STAGE SHEET 2 2 ...
Page 40: ... 8 9 28ZH46P 32ZH46P INDICATOR CONT AV ...
Page 43: ......
Page 46: ... 1 9 28ZH46P 32ZH46P SIGNAL SCART VIDEO FRONT END SHEET 1 5 ...
Page 47: ... 2 9 28ZH46P 32ZH46P SIGNAL AUDIO PROCESSING AND MUTING SHEET 2 5 ...
Page 48: ... 3 9 28ZH46P 32ZH46P SIGNAL PROCESSOR AND MEMORY SHEET 3 5 ...
Page 49: ... 4 9 28ZH46P 32ZH46P SIGNAL VIDEO BACK END PROCESSING SHEET 4 5 ...
Page 50: ... 5 9 28ZH46P 32ZH46P SIGNAL POWER SUPPLY AND REGULATION SHEET 5 5 ...
Page 52: ... 7 9 28ZH46P 32ZH46P POWER DEFLECTION POWER STAGE SHEET 2 2 ...