JVC AV-21L31/ME, Руководство по обслуживанию

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No. 51908 23
AV-21L31
AV-25L31
DEFLECTION CIRCUIT ADJUSTMENTS
[SUB MENU 3. DEF]
1. VER. SLOPE –31 — +31 +3 +6 +3 +6 —
2. VER. HEIGHT –31 — +31 +31 +31 –28 –32 —
3. VER. POSITION –31 — +31 –19 +6 –19 +6 —
4. VER. SCURVE –31 — +31 –7 0 –7 0 —
5. HOR. POSITION –31 — +31 +3 +6 +3 +6 +7
6. HOR. WIDTH –31 — +31 +1 –2 +1 –2 —
7. EW-PIN –31 — +31 +4 +1 –19 –18 —
8. EW-TRAPEZ –31 — +31 –3 –4 –3 –4 —
9. UP CORNER –31 — +31 +7 +2 –1 –1 —
10. DW CORNER –31 — +31 +3 –1 –1 –1 —
11. HOR. PARALL –31 — +31 +9 –1 +9 –1 —
12. HOR. BOW –31 — +31 –3 0 –3 0 —
13. V.ZOOM –31 — +31 –10 –12 +12 +14 —
Item
Measuring
instrument
Test point Adjustment part Description
Adjustment
of
V. SLOPE
Signal
generator
Remote
control unit
1. VER. SLOPE 1. Receive a PAL circle pattern signal.
2. Select
3. DEF from the SERVICE MENU.
3. Select 1. VER. SLOPE with the MENU
&
/
^
key.
4. Set the initial setting value of 1. VER. SLOPE with the MENU –/+
key.
5. Adjust 1. VER. SLOPE to make “ A = B ” with the MENU –/+ key.
B
A
Blanking
line
Adjustment
of
V. POSITION Signal
generator
Remote
control unit
2. VER. POSITION 6. Select 2. VER. POSITION with the MENU
&
/
^
key.
7. Set the initial setting value of 2. VER. POSITION with the MENU
–/+ key.
8. Adjust 2. VER. POSITION to make “ A = B ” with the MENU –/+ key.
(to be continued)
The setting (adjustment) using the remote control unit is made on the basis of the initial setting values.
The setting values which adjust the screen to the optimum condition can be different from the initial setting values.
A
B
Note:
Proceed to the following adjustment after having completed the adjustments of SUB BRIGHT and SUB PICTURE.
[COMPRESS(16:9): OFF]
Initial setting value
Variable range
COMPONENT
21”
COMPRESS(16:9): ON
Setting
(Adjustment)
item
25”
COMPRESS(16:9): OFF
21” 25”