1-52 (No. 52152)
CHROMA/PHASE ADJUSTMENTS (COMPONENT)
Measuring Instruments Signal generator (Color bar signal)
Oscilloscope
Card (Slot) Component/RGB Input Card (Slot 1)
Test Points TP-47B [CRT SOCKET PWB]
TP-GND [CRT SOCKET PWB]
Adjustment Points S*03 (Chroma), S*04 (Phase) [Service Menu]
Notes:
• Perform the following adjustments after completing
the Contrast adjustment.
• Set the CHROMA and PHASE data in the Setup Menu
to “00”.
• The value adjusted at the SR adjustment becomes the
reference value for the following adjustments. When
this data is changed, it is required to re-adjust the
data of all of the adjustment signals (Component,
NTSC and PAL). When re-adjusting the 1080/60i signal,
use the SI.
(1)
Apply the 1080/60i component color bar signal to INPUT A.
(2) Set the CHROMA and PHASE potentiometers on the front
panel to the center click positions.
(3) Connect the oscilloscope across TP-47B and TP-GND.
(4) Adjust SR03 in the Service Menu to set the level difference
between waveforms 1 and 4 in the figure on the right to 0 V
± 2 V.
(5) Adjust SR04 to set the level difference between 1 and 3 to
0 V ± 2 V.
(6) Vary the adjustment signal and adjustment data, and re-
perform adjustments in steps 1 to 5 above (see Table 5).
4.10.9 CHROMA/PHASE ADJUSTMENTS
Table 5
4
3
2
1
Adjustment
Adjustment Data
Signal
Chroma Phase
COMMON SR03 SR04
1080/60i SI03 SI04
1080/50i SK03 SK04
1080/24psF SL03 SL04
720/60p SM03 SM04
720/50p SN03 SN04
480/60i SE03 SE04
576/50i SF03 SF04
480/60p SG03 SG04
576/50p SH03 SH04
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