SECTION 4
ADJUSTMENT
4.1ADJUSTMENT PREPARATION
(1)You can make the necessary adjustments for this unit with either the remote control unit or with the adjustment equipment and parts as given below.
(2)Adjustment with the remote control unit is made on the basis of the initial setting values, however, the new setting values used for setting the screen to its optimum condition may differ from the initial settings.
(3)Make sure that AC power is turned on correctly.
(4)Turn on the power for the set and test equipment before use, and start the adjustment procedures after waiting at least 30 minutes.
(5)Unless otherwise specified, prepare the most suitable reception or input signal for adjustment.
(6)Never touch any adjustment parts, which are not specified in the list for this variable resistors, transformers, trimmer capacitors, etc.
4.2PRESETTING BEFORE ADJUSTMENT
Unless otherwise specified in the adjustment instructions, preset the following functions with the remote control unit.
User mode setting position
Setting item | Setting value |
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PICTURE MODE (VSM) | BRIGHT |
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TINT, COLOUR, BRIGHT,SHARP | Centre |
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CONT | Maximum |
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VNR | OFF |
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AI ECO SENSOR | OFF |
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BALANCE | Centre |
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SOUND TURBO | OFF |
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CINEMA SURROUND | OFF |
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COMPRESS | 4:3 |
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4.3MEASURING INSTRUMENT AND FIXTURES
(1)DC voltmeter (or Digital voltmeter)
(2)Oscilloscope
(3)Signal generator (Pattern generator) [PAL/SECAM/NTSC]
(4)Remote control unit
4.4ADJUSTMENT ITEMS
B1 VOLTAGE | DEFLECTION CIRCUIT ADJUSTMENTS | ||
FOCUS ADJUSTMENT | • V.SLOPE adjustment | ||
IF CIRCUIT ADJUSTMENTS | • V.POSITION adjustment | ||
• | IF VCO adjustment | • | V.HEIGHT adjustment |
• DELAY POINT (AGC | • H.POSITION adjustment | ||
VIDEO CIRCUIT ADJUSTMENTS | • H. WIDTH adjustment | ||
• | WHITE BALANCE (Low light) adjustment | • | SIDE PIN adjustment |
• | WHITE BALANCE (High light) adjustment | • | TRAPEZIUM adjustment |
• SUB BRIGHT adjustment | • | ||
• SUB CONTRAST adjustment | • CORNER adjustment | ||
• SUB COLOUR 1 adjustment | • H. PARALLEL adjustment | ||
• SUB COLOUR 2 adjustment | • H.BOW adjustment | ||
• SUB TINT 1 adjustment | VSM PRESET SETTING | ||
• SUB TINT 2 adjustment | PURITY AND CONVERGENCE ADJUSTMENTS | ||
AUDIO SETTING | • PURITY adjustment | ||
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| • STATIC CONVERGENCE adjustment | |
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| • DYNAMIC CONVERGENCE adjustment | |