JVC TM-H150CG/E - Page 31

(No.YA068)1-31
Item
Measuring
instrument
Test points Adjustment part Adjustment procedure
PAL CHROMA Signa
generator
Oscilloscope
TP-47B
TP-E
[CRT SOCKET
PWB]
[SIGNAL BLOCK]
S03 : PAL CHROMA
(1) Input the PAL color bar signal (75% white).
(2) Connect the oscilloscope to TP-47B and TP-E.
(3) Select the SIGNAL BLOCK with [CHROMA/PHASE]
button (< SIG >) from < BLOCK SELECT > screen.
(4) Select the < S03 >(PAL CHROMA).
(5) Adjust the < S03 > to become the voltage different
between 75% white and blue to 0V±2V as shown in
figure.
NTSC CHROMA Signal
generator
Oscilloscope
TP-47B
TP-E
[CRT SOCKET
PWB]
[SIGNAL BLOCK]
S04: NTSC CHROMA
(1) Input the NTSC full color bar signal (75% white).
(2) Connect the oscilloscope to TP-47B and TP-E.
(3) Select the SIGNAL BLOCK with [CHROMA/PHASE]
button (< SIG >) from < BLOCK SELECT > screen.
(4) Select the < S04 >(NTSC CHROMA).
(5) Adjust the < S04 > to become the voltage different
between 75% white and blue to 0V±2V as shown in
figure.
75%
W
Y
Cy
G
Mg
R
B
0V 2V
75%
W
Y
Cy
G
Mg
R
B
0V 2V
-
- -- -f--
+
---=------------Li_
....r,_
-
-
-
~ - -- -f--
- ±
______________ Ll_