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iX=2151
1/1 C-2151R_ |
CGC
CS
ADJUSTMENTS
ITEM/PREPARATION
ADJUSTMENT PROCEDURE
BVOEIACE
1. Confirm the indicated test points for the specified voltage.
1. Operate the TV set.
2. Set controls :
21S1 Series
14S1 Series
Bright (R318)
minimum
minimum
TPE 13:1245V
+
1.5V
103V.
+
1.5V
Beam Current
TPE 11:
31V
+
2Vv
27.0V
+
2V
TPE 1:
WW
+
1V
11V
ct
1V
TPE6:
28.0V
4+
£1.5V
26.7V
+
1.5V
TPE9:
23.0V
+
1.0V
23.3V
+
1.0V
TPE 4:
163V
4 = 1.0V
16.0V
+
1.0V
TPE5:
12.0V
+
1.0V
12.0V
+
1.0V
TPE 3:
8.0V
+
1.0V
8.0V
+
1.0V
TPE 2:
5.0V
+
0.3V
5.0V
cz
(0.8V
TPE14:
30V
+
2.5V
30V
+
2.5V
1. Apply 39.5 Mhz continuous wave to TPE54
(IF pin of Tuner)
AFC
(0.5Vp—p/75Q)
2. Adjust L104 so that voltage at TPE27 becomes 2.5+0.1V.
1. Operate the TV set.
3. Change the frequency and confirm the voltage as shown
below.
2. Connect a DVM to TPES8.
+ 100kHz:
Less than 1.0V
— 100kHz:
more than 4.0V
1. Turn RF AGC conirol R109 fully counterclockwise.
1. Receive the Philips pattern.
2. Set the input level to 60 + 2 dB (75Q open).
3. Connect an oscilloscope to TPE59 (RF AGC terminal).
1. Connect a high voltage meter (Electrostatic type) to an anode
of the picture tube.
2. Confirm that the high voltage is within a range of
1. Receive a crosshatch pattern.
21S1
Series
14S1 Series
HIGH VOLTAGE
2. Set Contrast, Bright and Sub—Bright controls to their
26.4Kv+1.5kV
21.5Kv + 1.5kV.
minimum positions (Zero beam current).
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