JVC KD-LH3101 Service Manual page 51

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Pin No Symbol
17 TMAX
18 LPFN
19 LPFO
20 PVREF
21 VCOF
22 AV
SS3
23 SLCO
24 RFI
25 AV
DD3
26 RFCT
27 RFZI
28 RFRP
29 FEI
30 SBAD
31 TEI
32 TEZI
33 FOO
34 TRO
35 VREF
36 RFGC
37 TEBC
38 SEL
TE
L 13942296513
39 AV
DD3
40 FMO
41 DMO
42 V
SS3
43 V
DD3
44 TESIN
45 XV
SS3
46 XI
47 XO
48 XV
DD3
49 DV R
SS3
50 RO
51 DV
DD3
52 DVR
53 LO
54 DV L
SS3
55 ZDET
56 V
SS5
57 BUS0
58 BUS1
59 BUS2
60 BUS3
61 BUCK
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62 /CCE
63 /RST
64 V
DD5
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I/O
O TMAX detection result output pin.
I Inverted input pin for PLL LPF amp.
O Output pin for PLL LPF amp.
- PLL-only VREF pin.
O VCO filter pin.
- Analog GND pin.
O DAC output pin for data slice level generation.
I RF signal input pin. Zin selectable by command.
- Analog 3.3V power supply voltage pin.
I RFRP signal center level input pin.
I RFRP signal zero-cross input pin.
I RF ripple signal input pin.
I Focus error signal input pin.
I Sub-beam adder signal input pin.
I Tracking error input pin. Inputs when tracking servo is on.
I Tracking error signal zero-cross input pin.
O Focus equalizer output pin.
O Tracking equalizer output pin.
- Analog reference power supply voltage pin.
O RF amplitude adjustment control signal output pin.
O Tracking balance control signal output pin.
O APC circuit ON/OFF signal output pin. At laser on, high impedance with UHS="L",
H output with UHS="H".
- Analog 3.3V power supply voltage pin.
O Feed equalizer output pin.
O Disc equalizer output pin.
- Digital GND pin.
- Digital 3.3V power supply voltage pin.
I Test input pin. Normally, fixed to "L".
- System clock oscillator GND pin.
I System clock oscillator input pin.
O System clock oscillator output pin.
- System clock oscillator 3.3V power supply voltage pin.
- DA converter GND pin.
O R-channel data forward output pin.
- DA converter 3.3V power supply pin.
- Reference voltage pin.
O L-channel data forward output pin.
- DA converter GND pin.
O 1 bit DA converter zero detection flag output pin.
- Microcontroller interface GND pin.
I/O Microcontroller interface data I/O pins.
I Microcontroller interface clock input pin.
I Microcontroller interface chip enable signal input pin.At "L", BUS0 to BUS3 are active.
I Reset signal input pin. At reset, "L".
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- Microcontroller interface 5V power supply pin.
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2 9
8
Descroption
TMAX Detection Result
Longer than fixed period
Within fixed period
Shorter than fixed period
Q Q
3 6 7 1 3 1 5
co
.
9 4 2 8
TMAX Output
"PV "
DD3
"HiZ"
"AV "
SS3
0 5 8 2 9 9 4 2 8
m
(No.49843)1-51
9 9
9 9