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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 VX-14MW1E
Page 5: ...CIRCUIT BLOCK DIAGRAM 4 ...
Page 12: ...SCHEMATIC DIAGRAM 11 ...
Page 13: ...SCHEMATIC DIAGRAM 12 ...
Page 14: ...EXPLODED VIEW 13 1 VX 14R7 ...
Page 15: ...EXPLODED VIEW 14 2 VX 21R7 ...
Page 16: ...PRINTED CIRCUIT BOARD 15 1 MAIN PCB ...
Page 21: ...PRINTED CIRCUIT BOARD 20 2 POWER PCB ...
Page 22: ...PRINTED CIRCUIT BOARD 21 3 IF PCB ...
Page 35: ...Technical Service Guide VCR MECHANISM UNIT K30 MECHA DECK SONY Corporation ...
Page 38: ...3 1 2 1 WIRE DIAGRAM 1 2WIREDIAGRAM ...
Page 42: ...7 2 1 2 PARTS LOCATION OF FRONT LOADING ASS Y A TOP VIEW B FRONT VIEW ...
Page 72: ...37 6 EXPLODEDVIEWANDPARTSLIST 6 1 EXPLODEDVIEWOFDECKASS Y TOPVIEW ...
Page 73: ...38 6 2 EXPLODEDVIEWOFDECKASS Y BOTTOMVIEW ...
Page 74: ...39 6 3 EXPLODEDVIEWOFF LASS Y ...
Page 75: ...40 ...