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3. ADJUSTMENT
3-1. CH1 INPUT SIGNAL LEVEL ADJUSTMENT
1. Input a color bar signal containing 100% white to the CH1
input terminal.
2. Connect an oscilloscope to the TP131.
3. Use VR131 to adjust until the 100% white level from the
sync chip for the Y signal is 1.10
±
0.04 Vp-p.
3-2. OUTPUT SIGNAL LEVEL ADJUSTMENT
1. Input a color bar signal containing 100% white to the CH1
input terminal.
2. Select "CH1" and switch to full screen mode.
3. Connect a 75
Ω
termination to the MONITOR OUT
connector and connect an oscilloscope.
4. Use VR105 to adjust until the 100% white level from the
sync chip for the Y signal is 1.00
±
0.04 Vp-p.
Measuring Point Measuring Equipment
Condition
Adj. Value
OSCILLOSCOPE
POWER ON
E-E Mode
1.10 V
±
0.04 V p-p
TP131
(CP-1 board)
VR131 (CP-1 board)
Adj. Location
Measuring Point Measuring Equipment
Condition
Adj. Value
OSCILLOSCOPE
POWER ON
E-E Mode
1.00 V
±
0.04 V p-p
MONITOR OUT
VR105 (CP-1 board)
Adj. Location
1.00
±
0.04
Vp-p
1.10
±
0.04
Vp-p
3-3. CH2 INPUT SIGNAL LEVEL ADJUSTMENT
1. Input a color bar signal containing 100% white to the CH2
input terminal.
2. Select "CH2" and switch to full screen mode.
3. Connect a 75
Ω
termination to the MONITOR OUT
connector and connect an oscilloscope.
4. Use VR132 to adjust until the 100% white level from the
sync chip for the Y signal is 1.00
±
0.04 Vp-p.
3-4. CH3 INPUT SIGNAL LEVEL ADJUSTMENT
1. Input a color bar signal containing 100% white to the CH3
input terminal.
2. Select "CH3" and switch to full screen mode.
3. Connect a 75
Ω
termination to the MONITOR OUT
connector and connect an oscilloscope.
4. Use VR133 to adjust until the 100% white level from the
sync chip for the Y signal is 1.00
±
0.04 Vp-p.
Measuring Point Measuring Equipment
Condition
Adj. Value
OSCILLOSCOPE
POWER ON
E-E Mode
1.00 V
±
0.04 V p-p
VR132 (CP-1 board)
Adj. Location
MONITOR OUT
1.00
±
0.04
Vp-p
Measuring Point Measuring Equipment
Condition
Adj. Value
OSCILLOSCOPE
POWER ON
E-E Mode
1.00 V
±
0.04 V p-p
VR133 (CP-1 board)
Adj. Location
MONITOR OUT
1.00
±
0.04
Vp-p
Содержание DSR-M814
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