JVC AV-48WP34/AHA Service Manual page 53

Measuring
Item
Instrument
DIGITAL INPUT Signal
generator
(HDCP)
SUB COLOR /
Remote
SUB TINT/
control unit
B-Y GAIN
adjustment
Measuring
Item
Instrument
SPLIT Signal
SUB COLOR / generator
SUB TINT
ajustment Oscilloscope
Remote
Control unit
MAIN
picture
(W) (Y)
Test point Adjustment Item
TP-R S01:SUB COLOR
TP-B
S02:SUB TINT
TP-E(# # # # )
Test point Adjustment Item
TP-R VCS004: SUB
DECODER COLOR
VCS001: SUB
DECODER TINT
SUB
picture
Fig.1
(-)
0
(+)
(W-Y) (R) (W-R)
" COLOR, TINT,B-Y GAIN adjustment at 1080i and 480p
should be finished.
1. Input HDCP (digital) 1080i signal.
2. Select STANDARD on VIDEO STATUS.
3. Enter to SERVICE MENU.
4. Input the same value adjusted at 1080i STANDARD to
the setting value S01, S02.
5. Select THEATER on VIDEO STATUS.
6. Input the same value adjusted at 1080i THEATER to
setting value S01, S02.
Input HDCP 480p 720 × 480 dots signal.
7.
8. Select STANDARD on VIDEO STATUS.
9. Input the same value adjusted at 480p STANDARD to
the setting value S01, S02.
10. Select THEATER on VIDEO STATUS.
11. Input the same value adjusted at 480p THEATER to the
setting value S01, S02.
12. Press the MUTING key and memorize the set values.
1. Select SPLIT mode.
2. Receive COLOR BAR signal to sub (right) screen and
PEDESTAL signal to main (left) screen (Fig.1).
3. Enter the SERVICE MENU of 8.PP Item.
4. Connect the oscilloscope to TP-R.
Adjust VCS004 ＜ SUB DECODER COLOR ＞ , VCS001
5.
＜ SUB DECODER TINT ＞ to adjustment point (A) [V]
(Fig.2).
6. Press the MUTING key and memorize the set values.
setting value
Adjustment Point (A[V] )
VCS004(W-R)
(A)
+37V
Fig.2
No. 51914
AV-48WP30
Description
Description
VCS001C(W-Y)
+7V
47