JVC KD-S845 Service Manual page 27

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• Pin function
Pin
Symbol I/O
No.
1 BCK O
2 LRCK O
3 AOUT O
4 DOUT O
5 IPF O
6 VDD3 -
7 VSS3 -
8 SBOK O
9 CLCK I/O
10 DATA O
11 SFSY O
12 SBSY O
13 /HSO O
14 /UHSO O
15 PVDD3 -
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16 PDO O
17 TMAX O
18 LPFN I
19 LPFO O
20 PVREF -
21 VCOF O
22 AVSS3 -
23 SLCO O
24 RFI I
25 AV -
26 RFCT I
27 RFZI I
28 RFRP I
29 FEI I
30 SBAD I
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31 TEI I
32 TEZI I
.
33 FOO O
34 TRO O
35 VREF -
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Bit clock outputpin 32fs, 48fs, or 64fs selectable by command.
L/R channel clock output pin."L" for L channe and "H" for R channel. Output polarity can be inverted by
command.
Audio data output pin. MSB-first or LSB-first selectable by command.
Digital data output pin. Outputs up to double-speed playback.
Correction flag output pin.When set to "H", AOUT output cannot be corrected by C2 correction processing.
Digital 3.3V power supply voltage pin.
Digital GND pin.
Subcode Q data CRCC result output pin."H" level when result is OK.
Subcode P-W data read clockI/O pin. I/O polarity selectable by command.
Subcode P-W data output pin.
Playback frame sync signal output pin.
Subcode block sync signal output pin. "H" level at S1 when subcode sync is detected.
Playback speed mode flag output pins.
PLL-only 3.3V power supply voltage pin.
EFM and PLCK phase difference signal output pin.
TMAX detection result output pin.
Longer than fixed period
Shorter than fixed period
Inverted input pin for PLL LPF amp.
Output oin for PLL LPF amp.
PLL-only VREF pin.
VCO filter pin.
Analog GND pin.
DAC output pin for data slice level generation.
RF signal input pin.Zin selectable by command.
Analog 3.3V power supply voltage pin.
RFRP signal center level input pin.
RFRP signal zero-cross input pin.
RF ripple signal input pin.
Focus error signal input pin.
Sub-beam adder signal input pin.
Tracking error input pin. Inputs when tracking servo is on.
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Tracking error signal zero-cross input pin.
i
Focus equalizer output pin.
Tracking equalizer output pin.
Analog reference power supply voltage pin.
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2 9
8
Function
/UHSO /HSO Playback speed
H H Normal
H L Double
L L 4 times
-- --
Q Q
3 6 7 1 3
TMAX Detection result
Within fixed period
.
9 4 2 8
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1 5 0 5 8 2 9 9 4
TMAX Output
"PV "
DD3
"HIZ"
"AV
SS3"
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9 9
2 8 9 9
(No.49858)1-27