Toshiba MD14F12 Service Manual page 31

2-12: CONTRAST MAX
1. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (16) on the remote control to
select "CNTX".
2. Press the RIGHT/LEFT button on the remote control
until the contrast step No. becomes "70"
3. Receive a broadcast and check if the picture is normal.
4. Press the INPUT button on the remote control to set to
the AV mode.
5. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (27) on the remote control to
select "CNTXA".
6. Press the RIGHT/LEFT button on the remote control
until the contrast step No. becomes "70"
7. Receive a broadcast and check if the picture is normal.
8. Press the TV/DVD button on the remote control to set to
the DVD mode.
9. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (38) on the remote control to
select "CNTXD".
10. Press the RIGHT/LEFT button on the remote control to
set the same step numbers as the AV.
11. Press the INPUT button on the remote control to set to
the GAME mode.
Activate the adjustment mode display of Fig. 1-1 and
12.
press the channel button (49) on the remote control to
select "CNTXG".
13. Press the RIGHT/LEFT button on the remote control to
set the same the same step numbers as the AV.
2-13: LEVEL
1. Receive the VHF HIGH (70dB).
2. Connect the AC voltmeter to pin 6 of CP101.
3. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (53) on the remote control to
select "LVL".
4. Press the RIGHT/LEFT button on the remote control until
the AC voltmeter is 80 ± 2mV.
2-14: SEPARATION
1. Set the multi-sound signal generator L-ch=1KHz, R-ch
=Non input and receive the RF signal.
2. Connect the oscilloscope to the SP351 code.
3. Press the AUDIO SELECT button on the remote control
to set to the stereo mode.
4. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (54) on the remote control to
select "SEPAL".
5. Press the RIGHT/LEFT button on the remote control to
adjust it until the R-ch output becomes minimum.
6. Press the CH UP button 1 time to set to "SEPAH" mode.
7. Press the RIGHT/LEFT button on the remote control to
adjust it until the R-ch output becomes minimum.
8. Set the multi-sound signal generator L-ch=Non input,
R-ch=1KHz and receive the RF signal.
9. Connect the oscilloscope to the SP352 code. Then
perform the above adjustments 3~7.
ELECTRICAL ADJUSTMENTS
D-4
2-15: Confirmation of Fixed Value (Step No.)
Please check if the fixed values of the each of the
adjustment items are set correctly referring below.
NO. FUNCTION
03 HVCO
13 BRTX
14 BRTN
15 CNTC
17 CNTN
19 COLX
20 COLN
22 SHRP
24 BRTXA
25 BRTNA
26 CNTCA
28 CNTNA
30 COLXA
31 COLNA
33 SHRPA
35 BRTXD
36 BRTND
37 CNTCD
39 CNTND
41 COLXD
42 COLND
44 SHRPD
46 BRTXG
47 BRTNG
48 CNTCG
50 CNTXG
51 TVM
52 PVM
STEP NO.
04
60
30
45
30
50
00
32
60
30
45
30
50
00
2E
60
30
45
30
50
00
2E
60
30
45
30
00
40