Pin
No.
Mark
I/O
Division
Function
39
VCC2
I
Power supply terminal
40
MD1
—
DRAM data in/ output
terminal
(Not used, open)
41
NC
—
Not used, open
42
MD0
—
DRAM data in/output
terminal
(Not used, open)
43
NC
—
Not used, open
44
PCK
—
Not used, open
45
VCC2
I
Power supply terminal
46
VSS
—
GND terminal
47
DEFECT
—
Not used, open
48
MD3
—
DRAM data in/ output
terminal
(Not used, open)
49
NC
—
Not used, open
50
MD2
—
DRAM data in/ output
trminal
(Not used, open)
51
NC
—
Not used, open
52
VSS
—
GND terminal
53
MCASB
—
DRAM data in/ output
terminal
(Not used, open)
54
MOEB
—
DRAM data in/ output
terminal
(Not used, open)
55
NC
—
Not used, open
56
NC
—
Not used, open
57
TEST3
I
Test terminal
58 SPPWMF
O
Spindle PMW output
terminal
59 SPPWMR
O
Spindle PMW output
terminal
60
VSS
—
GND terminal
61
VCC2
I
Power supply terminal
62 SLPWMF
O
Sled PMW output terminal
63 SLPWMR
O
Sled PMW output terminal
64
SLD0
O
Sled control signal output
terminal
48
Summary of Contents for SJ-MJ50GH
Page 5: ...3 Operating Instructions 4 Handling Precautions for MD Mechanism Optical 5 ...
Page 10: ... Check the P C B as shown below 10 ...
Page 11: ...5 2 Replacement for the disc cover ass y 11 ...
Page 12: ...5 3 Replacement for the side cabinet ass y Follow the Step 1 Step 3 of item 5 1 12 ...
Page 13: ...13 ...
Page 15: ...15 ...
Page 17: ...17 ...
Page 18: ...5 6 Replacement for the traverse motor Follow the Step 1 Step 3 of item 5 1 18 ...
Page 19: ...19 ...
Page 20: ...20 ...
Page 22: ...22 ...
Page 23: ...23 ...
Page 24: ...24 ...
Page 25: ...25 ...
Page 35: ...35 ...
Page 36: ...36 ...
Page 37: ...37 ...
Page 38: ...38 ...
Page 39: ...39 ...
Page 40: ...40 ...
Page 41: ...41 ...
Page 42: ...8 Schematic Diagram Notes 8 1 Type Illustration of IC s Transistors and Diodes 42 ...
Page 53: ...29 CHARGE O Recharge control output terminal 53 ...