JVC AV-14F116 Service Manual page 22

Measuring
Item
instrument
SUB COLOUR Remote
control unit
Signal
generator
Oscilloscope
Remote
control unit
W
Y
MODEL
AV-14F116/B
1-22 (No.YA439)
Test point Adjustment part
[2. V/C]
5. COLOUR
(PAL / SECAM / NTSC)
TP-47G/R [2. V/C]
TP-E 5. COLOUR
[CRT SOCKET (PAL / SECAM / NTSC)
PWB]
B
R
M
0V
(A)
(+)
C
G
Voltage setting (A)
PAL SECAM NTSC3.58
+10V +10V +7V (VDO)
[Method of adjustment without measuring instrument]
PAL COLOUR
(1) Receive a PAL broadcast.
(2) Select 2. V/C from the SERVICE MENU.
(3) Select < 5. COLOUR >.
(4) Set the initial setting value of < 5. COLOUR >.
(5) If the colour is not the best with the initial setting
value, make fine adjustment until you get the best
colour.
SECAM COLOUR
(1) Receive a SECAM broadcast.
(2) Make fine adjustment of SECAM COLOUR as
previously.
NTSC 3.58 COLOUR
(1) Receive a NTSC 3.58MHz broadcast.
(2) Make similar fine adjustment of NTSC 3.58
COLOUR as previously.
NTSC 4.43 COLOUR
(1) When NTSC 3.58 adjustment completed, NTSC
4.43 will be automatically set at the respective
values.
[Method of adjustment using measuring instrument]
PAL COLOUR
(1) Receive a PAL full field colour bar signal (75%
white).
(2) Select 2. V/C from the SERVICE MENU.
(3) Select < 5. COLOUR >.
(4) Set the initial setting value of < 5. COLOUR >.
(5) Connect the oscilloscope to TP-47G/R and TP-E.
(6) Adjust PAL COLOUR to bring the value of (A) in
the voltage table.
SECAM COLOUR
(1) Receive a SECAM full field colour bar signal (75%
white).
(2) Set the initial setting value of SECAM COLOUR .
(3) Adjust SECAM COLOUR to bring the value of (A)
in the voltage table.
NTSC 3.58 COLOUR
(1) Receive a NTSC 3.58 full field colour bar signal
(75% white).
(2) Set the initial setting value of NTSC 3.58
COLOUR.
(3) Adjust NTSC 3.58 COLOUR to bring the value of
(A) in the voltage table.
NTSC 4.43 COLOUR
(1) When NTSC 3.58 is set, NTSC 4.43 will be
NTSC4.43
automatically set at the respective values.
Description