Panasonic SJ-MJ88 Service Manual page 47

Pin Mark I/O
No. Division
19 RV DD 1 I
20 RV SS 2 —
21 FODP O
22 FODM O
23 SPDP O
24 SPDM O
25 LDON O
26 PVPP —
DRAM1
27 IV DD 0 —
28 DV DD 0 —
29 XI I
30 DV SS 0 —
31 XO O
32~34 STP10~STP12 I
35~37 STP00~STP02 O
38 RFSWHL O
39 RFSWPG O
40 PEFMS I
41 EFMPLLF O
42 PEFM1 O
43 EFMFIL O
44 EFMIREF I
Function
Power supply to internal
DRAM
GND to internal DRAM
Focus drive (+) PWM signal
output terminal
Focus drive (-) PWM signal
output terminal
Spindle drive (+) PWM
signal output terminal
Spindle drive (-) PWM
signal output terminal
Laser power control output
terminal (1:ON, 0:OFF)
Monitor to internal DRAM
output terminal (Not used,
open)
Power supply terminal for I/
O pad
Digital power supply
Crystal oscillator input
terminal (F=16.9344MHz)
Digital GND
Crystal oscillator output
terminal (F=16.9344MHz)
Stepping motor status
input terminal (0~2)
Stepping motor drive
signal output terminal (0~2)
Laser power control output
terminal (PIT/GRUVE
switching)
Laser power control output
terminal (Reflectance
switching)
EFM signal input terminal
EFM PLL filter output
terminal
Loop filter terminal for
EFM data slicing (Not
used, open)
Input filter switching for
EFM data slicing terminal
Reference current setting
terminal for EFM PLL
47