36
DDX6027/6027Y/7017
DDX7037/7047/7067
ADJUSTMENT
Adjustment Item
Test Mode
Adjustment Method
Adjustment Value
Condition
Display
(Temporary)
G
Gamma 1
CH : 11
Monitor waveform of 59 pin TP: VG of CN905 with an
3.0V
±
0.05V
Input signal
Adjustment
oscilloscope and adjust the oscillation width of forward
: None
rotation-side pedestal and forward rotation-side Step 9.
Input signal
H
Gamma 2
CH : 12
Monitor TP: VG waveform of 59 pin of CN905 with an
3.3V
±
0.05V
: 10 STEP (NTSC)
Adjustment
oscilloscope and adjust the oscillation width of forward
1Vpp V/S ratio
rotation-side pedestal and forward rotation-side Step 10.
: 7:3 (75
Ω
terminated)
I
R Sub-Brightness
CH : 8
Monitor waveform of 58 pin TP: VR and 59 pin TP: VG of
0.1V
±
0.05V
X34 AVIN input
Adjustment
CN905 with an oscilloscope and adjust so that the pedestal
Oscilloscope range
of Step 1 of the forward rotation side of TP: VR will be
: 500mV/DIV
0.1Vpp higher than the pedestal of Step 1 of the forward
AC
rotation side of TP: VG.
J
B Sub-Brightness
CH : 9
Monitor waveform of 60 pin TP: VB and 59 pin TP: VG of
0V
±
0.05V
Adjustment
CN905 with an oscilloscope and adjust so that the pedestal
to Step 1 of the forward rotation side of TP: VB will be the
same as the pedestal to Step 1 of the forward rotation
side of TP: VG.
K
R Sub-Contrast
CH : 14
Monitor waveform of 58 pin TP: VR and 59 pin TP: VG of
0.1V
±
0.05V
Adjustment
CN905 with an oscilloscope and adjust so that the pedestal
to Step 9 of the forward rotation side of TP: VR will be
0.1Vpp higher than the pedestal to Step 9 of the forward
rotation side of TP: VG.
L
B Sub-Contrast
CH : 15
Monitor waveform of 60 pin TP: VB and 59 pin TP: VG of
0V
±
0.05V
Adjustment
CN905 with an oscilloscope and adjust so that the pedestal
to Step 9 of the forward rotation side of TP: VB will be the
same as the pedestal to Step 9 of the forward rotation
side of TP: VG.
M
V-COM Amplitude CH : 1
Monitor waveform of 39 pin TP: VCOM of CN905 with an
2.15Vpp
±
0.05V
Adjustment
oscilloscope and adjust the oscillation width of the VCOM
rectangular wave.