4
SERVICE MANUAL
PIN No. NAME
I/O
FUNCTIONAL DESCRIPTION
REMARKS
LPFN
LPFO
PVREF
VCOREF
VCOF
AVSS
SLCO
RFI
AVDD
RFCT
RFZI
RFRP
FEI
SBAD
TSIN
TEI
TEZI
FOO
TRO
VREF
RFGC
TEBC
TEBC
TEBC
DMO
2VREF
SEL
FLGA
FLGB
FLGC
FLGD
VDD
VSS
IO0
IO1
IO2
IO3
Analog input.
Analog output.
-
-
Analog output.
-
Analog output.
Analog input (Zin : selected by command)
-
Analog input (Zin : 50k
)
Analog input.
Analog input.
Analog input.
Analog input.
Analog input.
Analog input.
Analog input (Zin : 10k
)
Analog output (2VREF~AVSS)
-
3-state PWM signal output.
(2VREF, VREF, VSS)
(PWM carrier = 88.2 kHz)
3-state PWM signal
output.(2VREF, VREF, VSS)
-
-
-
-
-
-
-
-
-
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
LPF amplifier inverting input terminal for PLL.
LPF amplifier output terminal for PLL.
PLL reference voltage supply terminal.
VCO center frequency reference level terminal.
Normally, keep at "PVREF" level.
VCO filter terminal.
Analog GND terminal.
Data slice level output terminal.
RF signal input terminal.
Analog power supply voltage terminal.
RFRP signal center level input terminal.
RFRP zero cross input terminal.
RF ripple signal input terminal.
Focus error signal input terminal.
Sub-beam adder signal input terminal.
Test input terminal. Normally, keep at "VREF" level.
Tracking error signal input terminal.
Track in at tracking servo on.
Trcaking error zero cross input terminal.
Focus servo equalizer output terminal.
Tracking servo equalizer output terminal.
Analog reference voltage supply terminal.
RF amplitude adjustment control signal output terminal.
Tracking balance control signal output terminal.
Feed equalizer output terminal.
Speed error signal or feed search equalizer output ter-
minal.
Disk equalizer output terminal. (PWM carrier = 88.2 kHz
for DSP, Synchronize to PXO)
Analog double reference voltage supply terminal.
APC circuit ON/OFF indication signal output terminal.
At the laser on time, UHF = L at "HiZ" level and
UHF = H at "H" level.
Extemal flag output terminal for internal signal.
Can select signal from TEZC, FOON, FOK and RFZC by
command.
Extemal flag output terminal for internal signal.
Can select signal from DECT, FOON, FMON and RFZC
by command.
Extemal flag output terminal for internal signal.
Can select signal from TRON, TRSR, FOK and SRCH by
command.
Extemal flag output terminal for internal signal.
Can select signal from TRON, DMON, HYS and SHC by
command.
Digital power supply voltage terminal.
Digital GND terminal.
General I/O terminal. Can change over input port or
output port by command. At the input mode time can
readout a state of terminal (H/L) by read command. At
the output mode time can control a state of terminal
(H/L/HiZ) by command.
I
O
-
I
O
-
O
I
-
I
I
I
I
I
I
I
I
O
O
-
O
O
O
O
O
-
O
O
O
O
O
-
-
I/O
