JVC AV-14F1P(PH), Service Manual

Page: 20 / 27

AV-14F1P
No. 56084 20
Measuring
Item Test point Adjustment part
instrument
Adjustment
●
Signal TP-47B
of SUB generator TP-E (
" " " " "
)
COLOR- II [CRT
●
Oscillo- SOCKET 3. COL. PALM
scope PWB]
●
Remote
control
unit
4. COL. PALN
5. COL. NTSC
Adjustment
●
Signal 6. TINT
of Generator
SUB TINT- I
●
Remote
control
unit
Description
[Method of adjustment using measuring instrument]
(PAL-M COLOR)
1. Receive a PAL-M full field color bar signal (75% white).
2. Select the sub menu screen PICTURE from the SERVICE
MENU.
3. Select 3. COL. PALM with the MENU
1
/
4
key, and confirm
its initial setting value.
4. Connect the oscilloscope between TP-47B and TP-E.
5. Adjust 3. COL. PALM to set the value (A) in the figure to +10V
(W & B), with the MENU
2
/
3
key.
(PAL-N COLOR)
1. Receive a PAL-N full field color bar signal (75% white).
2. In the sub menu screen PICTURE, select 4. COL. PALN with
the MENU
1
/
4
key, and confirm its initial setting value.
3. Connect the oscilloscope between TP-47B and TP-E.
4. Adjust 4. COL. PALN to set the value (A) in the figure to +8V
(W & B), with the MENU
2
/
3
key.
(NTSC COLOR)
1. Receive a NTSC full field color bar signal (75% white).
2. In the sub menu screen PICTURE, select 5. COL. NTSC with
the MENU
1
/
4
key, and confirm its initial setting value.
3. Connect the oscilloscope between TP-47B and TP-E.
4. Adjust 5. COL. NTSC to set the value (A) in the figure to +8V
(W & B), with the MENU
2
/
3
key.
[Method of adjustment without measuring instrument]
1. Receive a NTSC color bar signal.
2. Select the sub menu screen PICTURE from the SERVICE
MENU.
3. Select 6. TINT with the MENU
1
/
4
key, and confirm its initial
setting value.
4. If the tint is not the best with the initial set value, make fine
adjustment until you get the best tint, with the MENU
2
/
3
key.
Mg
B
(
−
)
0V
(
+
)
R
Cy
Y
W
G
(A)