JVC AV-65WP74/HA Service Manual page 64

Rear projection television
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AV-65WP74
Measuring
Item
instrument
SUB COLOR /
Signal
generator
SUB TINT /
B-Y GAIN
Oscilloscope
Adjustment (2)
Remote
control unit
Setting value
Setting item
STANDARD
Signal
S01
(W-R)
NTSC
+28
480i
+19
480p
+19
1080i
+7
1-64 (No.52096)
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Test point
TP-R
[1.PICTURE/SOUND]
TP-B
S01 : COLOR
TP-E (GND)
S02 : TINT
S07 : B-Y
W
Y
(W-Y)
R
(W-R)
Fig.1
W
(W-B)
B
Fig.2
Setting value
A [V]
B [V]
THEATER
STANDARD
S02
S01
S02
(W-Y)
(W-R)
(W-Y)
+14
+19
+7
+11
+7
+1
+14
+11
+2
+6
+5
+7
Table
Adjustment part
[ Method of adjustment with measuring instrument ]
(1) Receive NTSC color bar signal.
(2) Select STANDARD mode with [VIDEO STATUS]
(3) Connect the oscilloscope to TP-R on the R CRT
(4) Select 1.PICTURE/SOUND from SERVICE MENU.
(5) Select <S01> (COLOR) or <S02> (TINT).
(6) Adjust <S01> and <S02> to be following setting
(7) Press [MUTING] key and memorize the set values.
(8) Select THEATER mode with [VIDEO STATUS] key.
(9) Adjust <S01> and <S02> to be following setting
(10) Press [MUTING] key and memorize the set values.
(-)
(11) Select STANDARD mode with [VIDEO STATUS]
0
(12) Connect the oscilloscope to TP-B on the B CRT
(+)
(13) Adjust <S07> (B-Y) to be setting value C[V]. (Refer
(14) Press [MUTING] key and memorize the set values.
(15) Select THEATER mode with [VIDEO STATUS] key.
(16) Adjust <S07> to be setting value D[V]. (Refer to the
(17) Press [MUTING] key and memorize the set values.
(18) Confirm that LOW-LIGHT is not different after
(-)
0
(+)
(19) Press [MUTING] key and memorize the set values.
(20) Input 480i component color bar from COMPONENT
(21) Repeat steps 2 ~ 19 above.
(22) Input 480p component color bar from COMPONENT
(23) Repeat steps 2 ~ 19 above.
Setting
Setting
(24) Input
value
value
C [V]
D [V]
(25) Repeat steps 2 ~ 19 above.
THEATER
S07
S07
(W-B)
(W-B)
+10
+18
-17
+2
-25
+12
-24
-9
Description
key.
SOCKET PWB.
value A[V]. (Refer to the bellow table)
value B[V] same as above. (Refer to the bellow
table)
key.
SOCKET PWB.
to the bellow table)
bellow table)
adjusting COLOR, TINT and B-Y GAIN. If it is green
or magenta, to adjust LOW-LIGHT again. If adjust
again, to set offset value again.
VIDEO terminal.
VIDEO terminal.
1080i
component
COMPONENT VIDEO terminal.
color
bar
from

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