JVC KD-S821R Service Manual page 23

Symbol
Pin No. I/O
26
HSSW -
27
ZDET -
28
PDO O
29
TMAXS O
30
TMAX O
31
LPFN I
32
LPFO O
33
PVREF -
34
VCOREF I
35
VCOF O
36
AVSS -
37
SLCO O
38
RFI I
39
AVDD -
40
RFCT I
41
RFZI I
42
RFRP I
43
FEI I
44
SBAD I
45
TSIN I
46
TEI I
47
TEZI I
48
FOO O
49
TRO O
50
VREF -
51
RFGC O
52
TEBC O
53
FMO O
54
FVO O
55
DMO O
56
2VREF -
57
SEL O
58~61
FLGA~D -
62
VDD -
63
VSS -
64~67
IO0~3 -
68
DMOUT -
69
CKSE -
70
DACT -
Function
Non connected
Non connected
Phase difference signal output terminal of EFM
signal and PLCK signal.
TMAX detection result output terminal. Selected by
command bit (TMPS)
TMAX detection result output terminal. Selected by
command bit (TMPS)
DIFFERENCE RESULT
Longer than fixed freq.
Shorter than fixed freq.
Within the fixed freq.
LPF amplifier inverting 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. Take in at tracking
servo ON.
Tracking 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
terminal
Disk equalizer output terminal
DSP, Synchronize to PXO)
Analog double reference voltage supply terminal
APC circuit ON/OFF indication signal output terminal
Non connected
Digital power supply voltage terminal
Digital GND terminal
Non connected
Non connected
Non connected
Non connected
TMAX OUTPUT
"P2VREF"
"VSS"
"Hiz"
(PWM carrier=88.2kHz for
KD-S821R
TC9462F(2/3)
Remarks
-
-
3-state output.
(P2VREF,PVREF,VSS)
3-state output.
(P2VREF,PVREF,VSS)
3-state output.
(P2VREF,HiZ,VSS)
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
=88.2kHz)
3-state output.
(2VREF,VREF,VSS)
-
-
-
-
-
-
-
-
-
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