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8 Measurements and Adjustments
8.1. Voltage chart of P-board
8.2. Voltage chart of A-board
8.3. Picture level adjustment (RF)
VOLTAGE TEST POINT SPECIFICATION
(Reception state)
17V TP7952, TP7953 18 ± 2 V
DTV12V TP7954, TP7955 12.2 ± 0.6 V
TUNER6V TP7956 6.1 ± 0.3 V
VOLTAGE TEST POINT SPECIFICATION
(Reception state)
STB3.3V TP4716 3.3 ± 0.16 V
SUB5V TP4724 5 ± 0.25 V
SOUND15V TP2765 18 ± 2 V
5VS TP2768 6.1 ± 0.3 V
SUB6V TP2767 6.1 ± 0.3 V
TCON13.7V TP7019 12.5 ± 2 V
TCON2.5V TP4826 2.5 ± 0.12 V
TCON31V TP7013 31 ± 3.1 V
TCON-6V TP7014 -5.7 ± 0.6 V
Instrument Name Remarks
1. REMOTE TRANSMITTER
2. Ex. Signal (Sprit color bar)
Adjustment or Inspection Procedure Remarks
<procedure>
1. Receive the Sprit color bar.
(Screen mode: ZOOM or FULL Picture mode: DYNAMIC AI: OFF AI Picture: OFF)
*BACK LIGHT +30
<Inspection>
1. Enter Service mode, and select MAIN_ADJ PICTURE.
Volume UP/DOWN key makes GAIN displayed under PICTURE to set.
Pushing the remote controller [OK] key for about 3 seconds, GAIN is suited
to the adjustment value automatically.
(The Sprit Color Bar Pattern)
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