Kenwood DP-M5540 Service Manual page 15
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Also See for DP-M5540:
- Instruction manual (25 pages) ,
- Instruction manual (24 pages) ,
- Instruction manual (24 pages)
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7-2. Pin fuction
Function
Command
FORST
vo
Function
Lf Test terminal, normatly °H" or open.
Operation
Lens moves far from disc
Focus actuator drive signal output terminal
in focus search mode.
Correction system frame period signal output terminal, 7.35kHz.
Processor status signal output terminal. Correction judgement result, memory buffer capacity, etc.
|
|
© | Playback system frame period signal output terminal, 7.35kHz
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in focus gain adjustment mode.
FGASR
FGASS
Other than above
Analog switch output terminal focus gain adjustment.
FKIC output
Operation
H
Lens moves far from disc
L
Lens moves near disc
HiZ
Other than focus gain adjustment
Sub code sink signal output terminal.
Sub code Q data output terminal.
Output terminal for CRC check result of sub code Q.
Crystal oscillator connection terminal.
Digital source voltage terminal.
Digital ground terminal.
Input /output terminal for transmission and receiving of commands and data.
|
Input terminal of chip enable signal for transmission and receiving of commands and data. Bus line is active at "L"]
| | Clock input terminal for transmission and receiving of commands and data.
O | 4M clock output terminal, 4.236MHz.
Reset input terminal. Inside system is reset at "L".
Input terminal of signal to inhibit renewal of control bit of sub code OQ data. Renewal is inhibited at "H*.
Sub code P-W output terminal.
Sub code P-W data reading clock input terminal.
Lock status output terminal. If sink pattern in EFN signal of run-away detection information is not detected for
17ms, this terminal is set to 'L'.
| testi
| |_|
Test terminal, normally
"H" or open.
Defect sensing signal output terminal. When defect detected, VacF. Normally HiZ.
Analog switch output terminal for tracking gain adjustment, VREF or HiZ.
Analog switch output terminal for medium and high band tracking servo loop.
When shock detected, HiZ (gain increased), normally VReF. TGUH1 used for normally replay and TGUH2 used for
double-speed replay.
Focus error signal input terminal.
Analog switch input terminal for tracking error signal sample holding.
Analog switch output terminal for tracking servo operation.
Sub-beam addition signal input terminal.
RF ripple signal input terminal.
Standard voltage input terminal.
RF signal input terminal.
Analog ground terminal.
EFM signal reverse output terminal for data slice control.
EFM signal monitor output terminal.
O | EFM signal ordinary output terminal for data slice control.
Analog source voltage terminal.
PDO output control terminal. PDO output is forcedly set to HiZ at "L'.
poo
| 0
TMAX signal output terminal. When system
is locked, HiZ
vO
| | LPF amplifier inverted input terminal for PLL.
| 63 | UPFO | O| LPFamplifier outputterminalforPlL
[64 | vcoF [1 | Fikerterminalforveo.
[65 | TESTX | 1 | Outside VCO clockinputterming,
Clock output terminal for reading replay data.
Digital ground terminal.
Bit clock output terminal, normally set to 1.4112MHz.
Audio data output terminal.
Inside clock selection terminal.
Digital out output terminal.
Test terminal, normally "H* or open.
(Focus servo ON : FOK)
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