JVC AV-27F713 Service Manual page 29

Measuring
Item
instrument
SUB TINT Signal
adjustment gener ator
Remote
control unit
Signal
gener ator
Oscilloscope
Remote
control unit
Y
Cy
W
Test point Ad justment part
S04:TINT
TP-B S04:TINT
TP-E(# # # # )
[CRT
SOCKET
PWB]
G
R
(B)
( )
－
B
0V
( ＋ )
Mg
[ Method of adjustment without measuring instr ument ]
1. Receive the broadcast.
2. Enter the SERVICE MENU.
3. Select S04:TINT of the V/C(S) mode.
4. Set the initial setting value of the S04:TINT with the
FUNCTION /
5. If the tint is not the bes t with the initial setting value, make fine
adjustment of the S04:TINT until you get the optimum tint.
No . Setting item
S04 TINT
[ Method of adjustment using measuring instrum ent ]
1. Input the full field c olor bar signal (75% white).
2. Enter the SERVICE MENU.
3. Set the RFAFC to OFF.
4. Select S04:TINT of the V/C(S) mode.
5. Set the initial setting value of the S04:TINT with the
FUNCTION /
6. Connect the osc illosc ope between TP-B and TP-E.
7. Adjust TINT and bring the value of
voltage shown in the table bellow.
8. Reset the RFAFC setting pos ition from OFF to ON.
W-Mg
Models
AV-27F703 /S
AV-27F713 /S
AV-27F803
/S
No.52005
Description
key.
Variable Initial setting
range value
68
0～127
key.
(B)
in the illustration to the
[B]Voltage
+26V
AV-27F703
AV-27F713
AV-27F803
29