Sony VX-14MW1U Service Manual page 65

E. X-POSITION ADJUSTMENT
TEST POINTS
MEASURING EQUIPMENT
ADJUSTMENT
a. Connect the path adjustment fixture to PT01 of the MAIN CIRCUIT BOARD.
b. Play back the ALIGNMENT TAPE (COLOR BAR ALIGNMENT).
c. Connect channel-1 scope probe to S/W PULSE TEST PIN of PATH ADJ, FIXTURE.
d. Connect channel-2 scope probe to ENVELOPE TEST PIN of PATH ADJ, FIXTURE.
e. Turn the VR CONTROL to the center point. (If the VR CONTROL is completly turned counter-clockwise,
it is positioned on another tracking center.)
f. With the VR CONTROL in the center state, turn the ADJUST BOSS by using FLAT TYPE SCREW
DRIVER and adjust the X-POSITION to obtain the maximum envelope waveform.
S/W PULSE TEST PIN
ENVELOPE TEST PIN
OSCILLOSCOPE
VR CONTROL
ADJUST BOSS
Fig. 5-5 X-POSITION ADJUSTMENT
30
PATH ADJ. FIXTURE
PATH ADJ. FIXTURE
PATH ADJ. FIXTURE
MAIN BASE.