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AV-21L11
AV-21L31
AV-25L31
Measuring
Item
instrument
Adjustment
Remote
control unit
of
SUB TINT-I
Signal
Adjustment
of
generator
SUB TINT-II
Oscilloscope
Remote
control unit
(B)
Cy
W
Y
AV-21L11-PH
AV-21L31-PH
AV-25L31-PH
22
Test point
Adjustment part
6. TINT
TP-47G
6. TINT
TP-E (H)
[CRT
SOCKET
PWB]
B
Mg
R
(–)
0V
G
(+)
B (V
)
W-Cy
+6V
+3V
Table 2
No. 51904
Description
[Method of adjustment without measuring instrument]
Notes:
• Proceed to the following this adjustment after having completed the
adjustment of SUB PICTURE.
• Set PICTURE MODE (VSM) to "BRIGHT".
1. Receive a NTSC color bar signal (full field color bar 75% white).
2. Select 2. VC from the SERVICE MENU.
3. Select 6. TINT with the MENU &/^ key.
4. Set the initial setting value of NTSC 3.58 with the MENU –/+ key.
5. If you cannot get the best tint with the initial setting value, make fine
adjustment until you get the best tint.
6. Press the DISPLAY key twice to return to the normal screen.
[Method of adjustment using measuring instrument]
Notes:
• Proceed to the following this adjustment after having completed the
adjustment of SUB PICTURE.
• Set PICTURE MODE (VSM) to "BRIGHT".
1. Receive a NTSC color bar signal (full field color bar 75% white).
2. Select 2. VC from the SERVICE MENU.
3. Select 6. TINT with the MENU &/^ key.
4. Set the initial setting value of NTSC 3.58 with the MENU –/+ key.
5. Connect the oscilloscope between TP-47G and TP-E.
6. Adjust NTSC 3.58 TINT to set the value (B) in the figure to the voltage
show in the Table 2.
7. Press the DISPLAY key twice to return to the normal screen.
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