akira CT-29FD9CPT, Service Manual

Page: 29 / 54

Model No: CT-29FD9CP
T
Version 1.0
29
7-2. SCREEN (SERVICE) ADJUSTMENT (F3 key)
- Receive the video no signal.
- Select the SERVICE mode by pressing CH UP/DOWN key.
- Make the horizontal line by pressing VOL UP/DOWN key.
- Adjust the SCREEN, till horizontal line is just disappeared.
7-3. WHITE BALANCE ADJUSTMENT (F3 key)
- Receive a black and white pattern or white balance adjusting pattern.
- Before attempting white balance adjustment, the receiver should be operating for at
least 15minutes.
- Check the all of position to the reference value (nominal center)
- The reference color of the measurement equipment set to G.
- Adjust the CUTOFF G, CUTOFF R, and CUTOFF B at bias mode.
- Adjust the R DRV, B DRV at drive mode.
7-4. SUB BRIGHT ADJUSTMENT (F2 key)
- Change Mode to VIDEO NO SIGNAL
- Select the NORMAL1 mode in the fuzzy key.
- Select the SUB BRIGHT mode by pressing CH UP/DOWN key in FACTORY2
mode.
- Adjust the SUB BRIGHT value till disappeared to back screen by pressing VOL
UP/DOWN.
7-5. AFT ADJUSTMENT (F1 key)
- Receive the RF color bar signal.
Select the AFT mode, and then press the vol up/down key.
Select the OK.
7-6. AGC ADJUSTMENT (F1 key)
- Receive the RF color bar signal.
- Strength of input signal control 63dBu.
- Select the AGC POINT mode, and then adjust an AGC POINT to 1.75
- Select the AGC AUTO mode, and then press the vol up/down key
- AGC is arranged automatically.
- Confirmation of the strong signal.