Teac CR-L600, Service Manual

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Pin No. Symbol I/O Functional Description Remarks
29 TMAXS O
TMAX detection result output terminal. Selected by
command bit (TMPS). 3-state output.
(P2V
REF
, PV
REF
, V
SS
)
30 TMAX O
TMAX detection result output terminal. Selected by
command bit (TMPS).
TMAX Detection TMAX Output
Longer than fixed freq. “P2V
REF
”
Shorter than fixed freq. “V
SS
”
Within the fixed freq. “HiZ”
3-state output.
(P2V
REF
, HiZ, V
SS
)
31 LPFN I LPF amplifier inverting input terminal for PLL. Analog input.
32 LPFO O LPF amplifier output terminal for PLL. Analog output.
33 PV
REF
PLL reference voltage supply terminal.
34 VCOREF I
VCO center frequency reference level terminal.
Normally, keep at “PV
REF
” level.
35 VCOF O VCO filter terminal. Analog output.
36 AV
SS
Analog GND terminal.
37 SLCO O Data slice level output terminal. Analog output.
38 RFI I RF signal input terminal.
Analog input.
(Z
in
: selected by command)
39 AV
DD
Analog power supply voltage terminal.
40 RFCT I RFRP signal center level input terminal.
Analog input.
(Z
in
: 50 k )
41 RFZI I RFRP zero cross input terminal. Analog input.
42 RFRP I RF ripple signal input terminal. Analog input.
43 FEI I Focus error signal input terminal. Analog input.
44 SBAD I Sub-beam adder signal input terminal. Analog input.
45 TSIN I Tes t input terminal. Normally, keep at “V
REF
” level. Analog input.
46 TEI I
Tracking error signal input terminal.
Tak e in at tracking servo on.
Analog input.
47 TEZI I Tracking error zero cross input terminal.
Analog input.
(Z
in
: 10 k )
48 FOO O Focus servo equalizer output terminal.
49 TRO O Tracking servo equalizer output terminal.
Analog output.
(2V
REF
~AV
SS
)
50 V
REF
Analog reference voltage supply terminal.
51 RFGC O
RF amplitude adjustment control signal output terminal.
3-state PWM signal output. (PWM carrier 88.2 kHz)
52 TEBC O
Tracking balance control signal output terminal.
3-state PWM signal output. (PWM carrier 88.2 kHz)
53 FMO O
Feed equalizer output terminal.
3-state PWM signal output. (PWM carrier 88.2 kHz)
54 FVO O
Speed error signal or feed search equalizer output terminal.
3-state PWM signal output. (PWM carrier 88.2 kHz)
55 DMO O
Disc equalizer output terminal.
(PWM carrier 88.2 kHz for DSP, Synchronize to PXO)
3-state output.
(2V
REF
, V
REF
, V
SS
)
56 2V
REF
Analog double reference voltage supply terminal.
57 SEL O
APC circuit ON/OFF indication signal output terminal.
At the laser on time, “HiZ” level at UHS L and “H” level at
UHS
H.