Pin
No.
Mark
I/O
Division
Function
61
STBY2
O
4ch driver IC stand by 2
output terminal
62 RFCONT
O
RF amp power control
output terminal
63
SEDIR
I
Sled error direction input
terminal
64
TBALOK
O
Tracking balance
adjustment output terminal
(“H”:adjustment)(Not used,
open)
65~
68
—
—
Not used, open
69
3TSW
O
3T/11T monitor select
switch output terminal
70 RAGCSW
O
RF AGC ON/OFF select
switch output terminal
71
SHOCK
I
Shock det. input terminal
72~
78
—
—
Not used, open
79
ELON
O
EL display control output
terminal (“L”:EL on)
80
P.CONT
O
Power control output
terminal
12.4. IC301 (BD6605KVT) : FOCUS/TRACKING COIL,
TRAVERSE MOTOR DRIVE, SPINDLE MOTOR DRIVE,
ROTARY DETECTOR
57
Summary of Contents for SJ-MJ75
Page 9: ...9 ...
Page 10: ... Check the P C B A side as shown below 5 1 2 Checking for the P C B B side 10 ...
Page 11: ... To check the IC501 on side B of P C B refer to the table 1 and illustration below 11 ...
Page 12: ...12 ...
Page 13: ...5 2 Replacement for the intermediate cabinet Follow the Step 1 Step 3 of item 5 1 1 13 ...
Page 14: ...14 ...
Page 15: ...15 ...
Page 16: ...16 ...
Page 17: ...17 ...
Page 18: ...18 ...
Page 20: ...20 ...
Page 21: ...5 4 Replacement for the traverse motor Follow the Step 1 Step 3 of item 5 1 1 21 ...
Page 22: ...22 ...
Page 23: ...23 ...
Page 24: ...24 ...
Page 26: ...26 ...
Page 27: ...27 ...
Page 28: ...28 ...
Page 29: ...29 ...
Page 36: ...36 ...
Page 37: ...37 ...
Page 38: ...38 ...
Page 39: ...39 ...
Page 40: ...40 ...
Page 41: ...41 ...
Page 42: ...42 ...
Page 43: ...43 ...
Page 44: ...44 ...