JVC AV-29L6SU Service Manual page 25

Measuring
Item
instrument
SUB COLOUR Signal
generator
Remote
control unit
Signal
generator
Oscilloscope
Remote
control unit
Y
W
Setting item
VOLTAGE (W-B)
Test point Adjustment part
[2.V/C]
10.COLOUR
TP-47B [2.V/C]
TP-E 10.COLOUR
[CRT SOCKET PWB ]
G
R
(A)
(-)
0V
C
B
(+)
M
Adjustment value
PAL SECAM
+6V +7V
Method of adjustment without measuring instrument
PAL COLOUR
(1) Receive the PAL broadcast.
(2) Set the ZOOM mode to REGULAR.
(3) Set the PICTURE mode to STANDARD.
(4) Select 2.V/C from the SERVICE MODE.
(5) Set the initial setting value of < 10.COLOUR >.
(6) If the colour is not the best with the initial set value,
make fine adjustment until you get the best colour.
(7) Press the [OK] key to memorize the set value.
SECAM COLOUR
(1) Receive the SECAM broadcast.
(2) Follow the same step 2 to 7 as in PAL COLOUR.
NTSC 3.58 COLOUR
(1) Input the NTSC 3.58MHz signal from the EXT
terminal.
(2) Follow the same step 2 to 7 as in PAL COLOUR.
NTSC 4.43 COLOUR
(1) When NTSC 3.58 COLOUR is set, NTSC 4.43
COLOUR will be automatically set.
Method of adjustment using measuring instrument
PAL COLOUR
(1) Receive the PAL full field colour bar signal (75%
white).
(2) Set the ZOOM mode to REGULAR.
(3) Set the PICTURE mode to STANDARD.
(4) Select 2.V/C from the SERVICE MODE.
(5) Set the initial setting value of <10.COLOUR >.
(6) Connect the oscilloscope between TP-47B and TP-E.
(7) Adjust < 10. COLOUR > and bring the value of (A)
in the illustration into the value shown in the table.
(8) Press the [OK] key to memorize the set value.
SECAM COLOUR
(1) Receive the SECAM colour bar signal (75% white).
(2) Follow the same step 2 to 8 as in PAL COLOUR.
NTSC 3.58 COLOUR
(1) Input the NTSC 3.58MHz signal (full field colour bar
with 75% white) from the EXT terminal.
(2) Follow the same step 2 to 8 as in PAL COLOUR.
NTSC 4.43 COLOUR
NTSC
(1) When NTSC 3.58 COLOUR is set, NTSC 4.43
COLOUR will be automatically set.
+8V
Description
(No.YA366)1-25