JVC TV-13142 Service Manual page 5

TV-13142
TV-13142W
2-13: SUB TINT
1. Receive the color bar pattern. (RF Input)
2. Connect the synchro scope to TP801.
3. Using the remote control, set the brightness, contrast,
color and tint to normal position.
4. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (16) on the remote control to
select "TINT".
5. Press the VOL. UP/DOWN button on the remote control
until the waveform becomes as shown in Fig. 2-2.
6. Receive the color bar pattern. (Audio Video Input)
7. Press the INPUT button on the remote control to set to
the AV mode. Then perform the above adjustments 2~5.
2-14: SUB COLOR
1. Receive the color bar pattern. (RF Input)
2. Connect the synchro scope to TP803.
3. Using the remote control, set the brightness, contrast,
color and tint to normal position.
4. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (15) on the remote control to
select "COLOR".
5. Adjust the VOLTS RANGE VARIABLE knob of the
oscilloscope until the range between white 100% and
0% is set to 4 scales on the screen of the oscilloscope.
6. Press the VOL. UP/DOWN button on the remote control
until the red color level is adjusted to 110% of the white
level. (Refer to Fig. 2-3)
7. Receive the color bar pattern. (Audio Video Input)
8. Press the INPUT button on the remote control to set to
the AV mode. Then perform the above adjustments 2~6.
White 100%
ELECTRICAL ADJUSTMENTS
Fig. 2-2
White 0%
100%
Red Level
Fig. 2-3
2-15: OSD HORIZONTAL
1. Activate the adjustment mode display of Fig. 1-1.
2. Press the VOL. UP/DOWN button on the remote
control until the difference of A and B becomes
minimum. (Refer to Fig. 2-4)
00 OSD
A
TV
15
B
Fig. 2-4