Table of Contents
Advertisement
L. X-POSITION (See Fig. 5-11)
TEST POINTS
MEASURING EQUIPMENT
ADJUSTMENT
a. Connect the PATH ADJ. FIXTURE to PT01 of the MAIN CIRCUIT BOARD.
b. Play back the ALIGNMENT TAPE (COLOR SIGNAL BAR).
c. Connect the channel-1 scope probe to the S/W PULSE TEST PIN of the of the PATH ADJ. FIXTURE.
d. Connect the channel-2 scope probe to the ENVELOPE TEST PIN of the PATH ADJ. FIXTURE.
e. Adjust the VR CONTROL to the center position. (When the VR CONTROL is completely turned counter-
clockwise, it is set at another tracking center position).
f. When the VR CONTROL is fully rotated clockwise or counter-clockwise, turn the ADJUST BOSS of the
MAINBASE and adjust the X-POSITION for the envelope waveform to be as shown in Fig. 5-11
g. Repeat the process "F . PLAYBACK PHASE ADJUSTMENT".
S/W PULSE TEST PIN
ENVELOPE TEST PIN
OSCILLOSCOPE
VR CONTROL
ADJUST BOSS
Fig. 5-11 X-POSITION ADJUSTMENT
36
PATH ADJ. FIXTURE
PATH ADJ. FIXTURE
PATH ADJ. FIXTURE
MAIN BASE.
Advertisement
Chapters
Table of Contents
