32
G. LINEARITY ADJUSTMENT
a. Connect the PATH ADJ. FIXTURE to PT01 of the MAIN CIRCUIT BOARD.
b. Play back the ALIGNMENT TAPE (COLOR BAR SIGNAL).
c. Connect the channel-1 scope probe to the S/W PULSE TEST PIN 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 of the PATH ADJ. FIXTURE for maximum envelope signal output of the
alignment tape.
f. Adjust the S/T GUIDE ROLLER until the envelope signal waveforms of the entrance and exit sides are as
shown in Fig. 5-7.
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
S/T GUIDE ROLLER
TAPE TRANSPORTING SYSTEM
Fig. 5-7 LINEARITY ADJUSTMENT
Summary of Contents for K30
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 ...
Page 41: ...40 D0040 D0020 D0050 D0010 D0080 D0090 D0060 D0070 D0040 ...
