JVC TM-H140PN - Page 39

Item
NTSC 3.58
PHASE
adjustment
Test equipment
Signal generator
(Colour bar)
Oscillo-scope
G
y
Cy
75% W
Mg
R
Test points
TP-47B
TP-E( J,)
[CRT SOCKET
PWB]
BL
B
0V±2V
TM-H140PN
Adjustment
locations
Adjustment procedure
SOS (NTSC PHASE) 1. Input a NTSC 3.58 colour bar signal.
[SERVICE MENU] 2. Connect the oscillo-scope probe to TP-47B and
No.51766
TP-E( J, ).
3. Select the SIGNAL BLOCK from SERVICE
MENU.
4. Select the S05 item.
5. Adjust the S05 to take the level difference in
waveform is 0V ± 2V as shown in figure.
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