3-11
VPH-G90E/G90U/G90M
3-4-11. VIDEO Block MG FOCUS Adjustment
1. Press the INPUT SELECT VIDEO key, and receive the
NTSC monoscope signal.
2. Press the MG FOCUS key and the ADJ G key to set the
GREEN MG FOCUS adjustment mode and press the
CUT OFF R key and B key to set GREEN only.
Roughly adjust “ALL FOCUS” at POSITION No. 1.
3. Roughly adjust GREEN “CENT,” “SIZE,” “LIN,”
“BOW,” “SKEW,” “PIN” and “KEY.”
4. Perform the rough adjustment of RED and BLUE in the
same way as Steps 2 and 3.
5. Set the MG FOCUS GREEN adjustment mode again,
and press the CUT OFF R key and the B key to set
GREEN only.
6. Press the CONTR (
+
) key and set the contrast to the
maximum.
7. Decrease the “ALL” data and increase the dot size.
8. Adjust AQP, DQP, AHP and DHP so that the dot can
become dead-round.
9. Return the CONTR data back to “80.”
10. Press the POSITION (
+
) key to set to “POSITION No.
1” mode.
11. Perform the “ALL-FOCUS” adjustment and adjust the
focus of the ME pattern to the optimum.
12. Roughly adjust the GREEN centering again.
13. Using the same method as in 3-4-10, “3.15 kHz MG
FOCUS Adjustment,” adjust the GREEN MG FOCUS,
AQP, DQP, AHP and DHP of “POSITION No. 2” to
“POSITION No. 9” of the video signal block (15 kHz).
14. Adjust RED and BLUE in the same way as above.
3-4-12. MG FOCUS Adjustment for 64 kHz and
106 kHzSignals
1. Set INPUT-A to the no-signal state, then select INPUT-
A. Select the INT OSC PATTERN from INP. OSC
menu, then select P5 (fH = 64 kHz, fV = 60 Hz).
Perform the same adjustment as Section 3-4-11 “Video
Block MG FOCUS Adjustment.”
2. Select P8 (fH = 106 kHz, fV = 85 Hz), then perform the
same adjustment as Section 3-4-11 “Video Block MG
FOCUS Adjustment.”
3-4-13. Adjustment of Other Frequencies
Adjustment of the other frequencies are automatically
performed by copying the adjusted data in accordance with
the next adjustment “3-5. REGISTRATION
ADJUSTMENT.”
Summary of Contents for VPH-G90E
Page 10: ......
Page 120: ......
Page 122: ...2 2 VPH G90E G90U G90M 2 1 3 Location 3 ME MB MC PB M L MA BA F BC NA BB ...
Page 190: ......
Page 204: ......
Page 210: ......
Page 224: ......
Page 337: ...9 1 9 1 VPH G90E G90U G90M SECTION 9 BLOCK DIAGRAMS ...
Page 363: ...2 3 4 5 A B C D E F G H 1 10 1 10 1 VPH G90J G90E G90U G90M SECTION 10 DIAGRAMS ...
Page 437: ...2 3 4 5 A B C D E F G H 1 10 75 10 75 VPH G90J G90E G90U G90M ...
Page 474: ...2 3 4 5 A B C D E F G H 1 10 112 10 112 VPH G90J G90E G90U G90M ...