CCE HPS-2185FS, Service Manual

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HPS-2185FS
3.2 POWER SUPPLY
3.2.1 Consume
a) Connect the TV under test through an electronic wattmeter at the
220Vac/60Hz line.
b) Turn-on the TV set and apply a 60dB
µ
V (the preferred channel must to be
defined by the production unit), modulated with a 88% video signal white
pattern, and a
±
25 kHz deviation FM carrier with a 400Hz sine wave audio
signal.
c) Adjust for max. the bright, contrast and volume controls, and read the Sink
Power show at the wattmeter.
d) Active Standby mode and read again the Sink power.
e) Repeat all below procedures, connecting now the television under test to a
110Vac/60 Hz line.
Condition Minimum Nominal Maximum Unit
TV ON 117V - 84,00 85,00 W
TV ON 234V - 80,00 82,00 W
STAND BY 117V - 1,80 2,00 W
STAND BY 234V - 2,70 3,00 W
3.2.2 Main Power Supply
a) Connect the TV set under test to 117Vac/60Hz line.
b) Turn On the TV set and apply a 60dB
µ
V (the preferred channel will be
defined by the local unit), modulated with a 88%video signal white pattern,
and a
±
25kHz deviation FM carrier with a 400Hz sine wave audio signal.
c) TV setup in PP condition.
d) Utilizing a electronic DC voltmeter (over 10 M input impedance), read the
next point in the power supply.
Condition Test Point Minimum Nominal Maximum Unit
110V
+B 103V (Cathode of D819) 102,00 103,00 104,00 V
110V
+B 16V (Cathode of D808) 14,00 15,50 16,50 V