JVC AV-27F704/BSA Service Manual page 51

Measuring
Item
instrument
SUB COLOR Remote
control unit
Adjustment item
Signal
generator
Oscilloscope
Remote
control unit
Y
W
1-34 (No.52113)
Test point Adjustment part
[1.V/C (S)]
S03: COLOR
Initial setting value
S03: COLOR
TP-B [9.RF AFC]
TP-E
[CRT SOCKET [1.V/C (S)]
PWB] S03: COLOR
G
R
( )
C
0V
(A)
B
M
( )
[ Method of adjustment without measuring instrument ]
(1) Receive the broadcast.
(2) Enter the SERVICE MENU.
(3) Select < S03 > (COLOR) of the 1.V/C(S).
(4) Set the initial setting value of the < S03 >.
(5) If the color is not the best with the Initial setting
50
value, make fine adjustment of the < S03 > until you
get the optimum color.
[ Method of adjustment using measuring instrument ]
(1) Input the full field color bar signal (75% white).
(2) Enter the SERVICE MENU.
(3) Select 9.RF AFC, and set the AFC to OFF.
(4) Select < S03 > (COLOR) of the 1.V/C(S).
(5) Set the initial setting value of the < S03 >.
(6) Connect the oscilloscope between TP-B and TP-E.
(7) Adjust COLOR and bring the value of (A) in the
figure to the voltage shown in the table bellow.
(8) Reset the AFC setting position from OFF to ON.
Model name
AV-27F704
AV-32F704
AV-36F704
Description
Setting value
+17V
+27V
+30V