JVC AV-32S565 Series, Руководство по обслуживанию

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(No.YA093)1-39
SUB COLOR /
SUB TINT /
B-Y GAIN (2) Signal
generator
Oscilloscope
Remote
control unit
TP-R
TP-B
TP-E
[CRT SOCKET
PWB] [1.PICTURE/SOUND]
S01: COLOR
S02: TINT
S07: B-Y Method of adjustment using measuring instrument
(1) Receive the composite NTSC color bar (75% white)
signal.
(2) Set the VIDEO STATUS to STANDARD.
(3) Set the COLOR TEMPERATURE to LOW.
(4) Select 1.PICTURE/SOUND from the SERVICE
MODE.
(5) Connect the oscilloscope between TP-R and TP-E.
(6) Adjust the < S01 > (COLOR) and < S02 > (TINT) to
be the following setting value A [V].
(7) Connect the oscilloscope between TP-B and TP-E.
(8) Adjust the < S07 > (B-Y) to be setting value C [V] .
(9) Press the [MUTING] key to memorize the set value.
(10) Set the VIDEO STATUS to THEATER.
(11) Set the COLOR TEMPERATURE to HIGH.
(12) Adjust the < S01 > and < S02 > to be the following
setting value B [V].
(13) Adjust the < S07 > to be setting value D [V].
(14) Press the [MUTING] key to memorize the set value.
(15) Input the 480i component color bar signal to
COMPONENT VIDEO terminal.
(16) Repeat the steps 2. to 14. as above.
(17) Input the 480p component color bar signal to
COMPONENT VIDEO terminal.
(18) Repeat the steps 2. to 14. as above.
(19) Input the 1080i component color bar signal to
COMPONENT VIDEO terminal.
(20) Repeat the steps 2. to 9. as above.
(21) Set the VIDEO STATUS to THEATER.
(22) Set the COLOR TEMPERATURE to LOW.
(23) Repeat the steps 12. to 14. as above.
NOTE:
• Confirm that the low-light is not different after
adjusting COLOR, TINT and B-Y. If it is green or
magenta, adjust the low-light again.
• If the readjustment is carried out, set the off set values
again.
Item
Measuring
instrument
Test point Adjustment part Description
A B C D
STANDARD THEATER STANDARD THEATER
Setting
value
NTSC(4:3)
480i(4:3)
480p(4:3)
1080i (16:9)
+40V
+36V
+42V
+27V
+12V
+15V
+17V
+4V
+22V
+15V
+19V
+15V
0V
+3V
+3V
+5V
+10V
+1V
+1V
-13V
+10V
+1V
-1V
-4V
(W-Y)
S02
(W-B)
S07
(W-B)
S07
(W-R)
S01
(W-Y)
S02
(W-R)
S01
(W-R) (W-Y) Y
C
G
B
M
W
R
0
(-)
(+)
(W-B)
W
B
0
(-)
(+)
Y
C
G
M
R