36
L. X-POSITION (See Fig. 5-11)
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".
TEST POINTS
S/W PULSE TEST PIN
PATH ADJ. FIXTURE
ENVELOPE TEST PIN
PATH ADJ. FIXTURE
MEASURING EQUIPMENT
OSCILLOSCOPE
ADJUSTMENT
VR CONTROL
PATH ADJ. FIXTURE
ADJUST BOSS
MAIN BASE.
Fig. 5-11 X-POSITION ADJUSTMENT
Summary of Contents for K50
Page 4: ...3 1 2 1 WIRE DIAGRAM 1 2WIREDIAGRAM...
Page 8: ...7 2 1 2 PARTS LOCATION OF FRONT LOADING ASS Y A TOP VIEW B FRONT VIEW...
Page 38: ...37 6 EXPLODED VIEW AND PARTS LIST 6 1 EXPLODED VIEW OF DECK ASS Y TOP VIEW...
Page 39: ...38 6 2 EXPLODEDVIEWOFDECKASS Y BOTTOMVIEW...
Page 40: ...39 6 3 EXPLODEDVIEWOFF LASS Y...
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