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KP-HW51K90J/HW57K90J
RM-Y909K
RM-Y909K
4-2. P & P SUB CONTRAST ADJUSTMENT (RF)
(SCON)
1. Receive the signal.
TV terminal (main): Color-bar (white-75%, No
setup)
VIDEO terminal (sub): Color-bar (white-75%, No
setup)
2. VIDEO MODE
: Pro
PICTURE
: maximum
COLOR
: minimum
RGB Signal
: off
3. Set to P & P mode, and set to service mode.
4. Connect an oscilloscope between the check point and ground.
Check points
: CN5 pin
6
(G)
(A Board)
5. Select “ 2103-1-02 ”(Main scon), and adjust so that the wave-
form level of VWB is 1.67
±
0.04Vp-p.
6. Select “ 2103-2-02 ”(Sub scon), and adjust so that the wave-
form level of VWB is 1.67
±
0.04Vp-p.
7. Write the data into memory.
MUTING
n
ENTER
Fig. 4-2
WHITE
BLACK
VWB
SECTION 4
CIRCUIT ADJUSTMENTS
4-1. P & P SUB CONTRAST ADJUSTMENT
(VIDEO) (SCON)
1. Receive the signal.
TV terminal (sub) : Color-bar (white-75%, No
setup)
VIDEO terminal (main) : Color-bar (white-75%, No
setup)
2. VIDEO MODE
: Pro
PICTURE
: maximum
COLOR
: minimum
RGB Signal
: off
3. Set to P & P mode, and set to service mode.
4. Connect an oscilloscope between the check point and ground.
Check points
: CN5 pin
6
(G)
(A Board)
5. Select “ 2103-1-02 ”(Main scon), and adjust so that the wave-
form level of VWB is 1.67
±
0.04Vp-p.
6. Select “ 2103-2-02 ”(Sub scon), and adjust so that the wave-
form level of VWB is 1.67
±
0.04Vp-p.
7. Write the data into memory.
MUTING
n
ENTER
Fig. 4-1
WHITE
BLACK
VWB
4-3. P & P SUB-HUE AND SUB-COLOR ADJUSTMENT
(SHUE, SCOL)
1. Receive the signal.
TV terminal (sub)
: Color-bar (white-75%, No
setup)
VIDEO terminal (main) : Color-bar (white-75%, No
setup)
2. VIDEO MODE
: Pro
PICTURE
: maximum
COLOR
: center
RGB Signal
: on
3. Set to P & P mode, set to service mode.
4. Connect an oscilloscope between pin
7
(B) of CN5 (A board)
connecter and ground.
5. Select “ 2103-1-03 SCOL, -04 SHUE ”(Main), and adjust
them to have VB1 VB4 and VB2 VB3 in the waveform
levels.
6. Select “ 2103-2-03 SCOL, -04 SHUE ”(Sub), and adjust them
to have VB1 VB4 and VB2 VB3 in the waveform levels.
7. Write the data into memory.
MUTING
n
ENTER
Fig. 4-3
VB1 VB2 VB3 VB4
<
=
<
=
<
=
<
=
4-4. P & P SUB-HUE AND SUB-COLOR ADJUSTMENT
(SHUE, SCOL)
1. Receive the signal.
TV terminal (main)
: Color-bar (white-75%, No
setup)
VIDEO terminal (sub) : Color-bar (white-75%, No
setup)
2. VIDEO MODE
: Pro
PICTURE
: maximum
COLOR
: center
RGB Signal
: on
3. Set to P & P mode, set to service mode.
4. Connect an oscilloscope between pin
7
(B) of CN5 (A board)
connecter and ground.
5. Select “ 2103-1-03 SCOL, -04 SHUE ”(Main), and adjust
them to have VB1 VB4 and VB2 VB3 in the waveform
levels.
6. Select “ 2103-2-03 SCOL, -04 SHUE ”(Sub), and adjust them
to have VB1 VB4 and VB2 VB3 in the waveform levels.
7. Write the data into memory.
MUTING
n
ENTER
Fig. 4-4
VB1 VB2 VB3 VB4
<
=
<
=
<
=
<
=