JVC UX-M5R Service Manual page 22

UX-M5R
Pin No. Symbol I/O
29 TMAXS
30 TMAX
31 LPFN
32 LPFO
33 PVREF
34 VCOREF
35 VCOF
36 AVSS1
37 SLCO
38 RFI
39 AVDD1
40 RFCT
41 RFZI
42 RFRP
43 FEI
44 SBAD
45 TSIN
46 TEI
47 TEZI
48 FOO
49 TRO
50 VREF
51 RFGC
52 TEBC
53 FMO
54 FVO
55 DMO
56 2VREF
57 SEL
58 FLGA
59 FLGB
60 FLGC
61 FLGD
62 VDD3
63 VSS3
64 IO0 I/O
65 IO1 I/O
66 IO2 I/O
67 IO3 I/O
1-22
O TMAX detection result output terminal. Selected by command bit (TMPS).
O TMAX detection result output terminal. Selected by command bit (TMPS).
DIFFERENCE RESULT
Longer than fixed freq.
Shorter than fixed freq.
Within the fixed freq.
I LPF amplifier inverting input terminal for PLL.
O LPF amplifier output terminal for PLL.
- PLL reference voltage supply terminal.
I VCO center frequency reference level terminal. Normally, keep at "PVREF" level.
O VCO filter terminal.
- Analog ground terminal.
O Data slice level output terminal.
I RF signal input terminal.
- Analog power supply voltage terminal.
I RFRP signal center level input terminal.
I RFRP zero cross input terminal.
I RF ripple signal input terminal.
I Focus error signal input terminal.
I Sub-beam adder signal input terminal.
I Test input terminal. Normally, keep at "VREF" level.
I Tracking error signal input terminal. Take in at tracking servo on.
I Tracking error zero cross input terminal.
O Focus servo equalizer output terminal.
O Tracking servo equalizer output terminal.
- Analog reference voltage supply terminal.
O RF amplitude adjustment control signal output terminal.
O Tracking balance control signal output terminal.
O Feed equalizer output terminal.
O Speed error signal or feed search equalizer output terminal.
O Disk equalizer output terminal.
(PWM carrier=88.2kHz for DSP, Synchronize to PXO)
- Analog double reference voltage supply terminal.
O APC circuit ON/OFF indication signal output terminal.
At the laser on time, UHF = L at "HiZ" level and UHF = H at "H" level.
O External flag output terminal for internal signal.
Can select signal from TEZC, FOON, FOK and RFZC by command.
O External flag output terminal for internal signal.
Can select signal from DFCT, FOON, FMON and RFZC by command.
O External flag output terminal for internal signal.
Can select signal from TRON, TRSR, FOK and SRCH by command.
O External flag output terminal for internal signal.
Can select signal from TRON, DMON, HYS and SHC by command.
- Digital power supply voltage terminal.
- Digital ground 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.
Function
TMAX OUTPUT
"P2VREF"
"Vss"
"HiZ"