Zenith TVBR1342Z Service Manual page 35

2-12: SUB CONTRAST (For TVBR2542Z Only)
1. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (14) on the remote control to
select "CONTRAST".
2. Press the VOL. UP/DOWN button on the remote control
until the white color level is adjusted to 300 ± 10NIT.
3. Press the INPUT SELECT button on the remote control
to set to the AV mode.
4. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (14) on the remote control.
5. Press the VOL. UP/DOWN button on the remote control
until the white color level is adjusted to 200 ± 10NIT.
6. Receive the color bar pattern. (Audio Video Input)
Press the AV button on the remote control to set to the
AV mode. Then perform the above adjustments 2~5.
2-13: SUB TINT (For 13/1942Z Only)
1. Receive the color bar pattern. (RF Input)
2. Connect the synchro scope to TP803.
3. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (16) on the remote control to
select "TINT".
4. Press the VOL. UP/DOWN button on the remote control
until the waveform becomes as shown in Fig. 2-2.
5. Receive the color bar pattern. (Audio Video Input)
6. Press the INPUT SELECT button on the remote control
to set to the AV mode. Then perform the above
adjustments 2~4.
2-13: SUB TINT/SUB COLOR (For TVBR2542Z Only)
1. Receive the color bar pattern. (RF Input)
2.
Connect the synchro scope to CP602.
3. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (16) on the remote control to
select "TINT".
4.
Press the VOL. UP/DOWN button on the remote control
until the waveform becomes as shown in Fig. 2-2.
5. Press the CH DOWN button (15) on the remote control
to select "COLOR".
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 SELECT button on the remote control
to set to the AV mode. Then perform the above
adjustments 2~6.
CM152
ELECTRICAL ADJUSTMENTS
Fig. 2-2
2-14: SUB COLOR (TVBR13/1942Z Only)
1. Receive the color bar pattern. (RF Input)
2. Connect the synchro scope to TP801.
3. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (15) on the remote control to
select "COLOR".
4. 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)
5. Receive the color bar pattern. (Audio Video Input)
6. Press the INPUT SELECT button on the remote control
to set to the AV mode. Then perform the above
adjustments 2~4.
White 100%
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
2-27
White 0%
0%
110%
Red Level
Fig. 2-3
TV
15
B
Fig. 2-4
SERVICING