41
Pin No.
Port Name
I/O
FUNCTION
75
JIT
I
Jitter level signal input.
76
VREF
I
Reference voltage input.
78
AS2
I
PD all addition signal input.
79
FE
I
Focus error signal input.
80
RFENV
I
RF envelope signal input.
81
AS1
I
Addition signal of inner 4 divided PD.
82
TE
I
Tracking error signal input.
83
AVDD1
I
Power supply for analog circuit.
84
VREF0
I
Analog reference voltage input (2.5V).
85
VREFH2
I
Analog high level reference voltage input (3.75V).
86
VREFL2
I
Analog low level reference voltage input (1.25V).
87
AVDD2
I
Power supply for analog circuit.
88
TBAL
O
Tracking balance adjust output.
89
FBAL
O
Focus balance adjust output.
90
FOD
O
Focus drive signal output.
91
TRD
O
Tracking drive signal output.
92
AVSS2
I
Ground pin for analog circuit.
93
TESTD
I
Test mode setting pin (normally open).
94
MINTST
I
Test mode setting pin (normally open).
100
PWMCTL
l
PWM output control signal input (normal: L).
MN67700 (Servo processing) - IC300 on DVD Main P.C.B. Ass’y
IC BLOCK DIAGRAMS
Summary of Contents for DVD-15
Page 14: ...14 MECHANICAL ASS Y AND PARTS LIST 4 2 Mechanism Ass y DVD 15 A01 Fig 4 2...
Page 17: ...17 MECHANICAL ASS Y AND PARTS LIST 4 4 Loading EX Ass y ADJ 3 B02 Fig 4 4...
Page 51: ...To Digital PCB P550 DVD 15 MECHANISM C3M1 SCHEMATIC DIAGRAM...
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