Waveforms - Kenwood DVF-3080-S Service Manual

1. SYSTEM 27MHz CLOCK, RESET SIGNAL
1) M3355 main clock is at 27MHz(X501)
FIG 1-1
2. SDRAM CLOCK
1) SDRAM clock is at 135MHz
CLK=135MHz,Vp-p=3.3V
FIG 2-1
2) Tray open waveform
FIG 3-2
4. SLED CONTROL RELATED
SIGNAL(NO DISC CONDITION)
FIG 4-1
DVF-3080-S/8100

WAVEFORMS

2) M3355 reset is low active
3.1V,27MHz
3. TRAY OPEN/CLOSE SIGNAL
1) Tray open/close waveform
IC503 PIN38
OPEN
3) Tray close waveform
OPEN(CN203 PIN3)
CLOSE(CN203 PIN4)
LM-(IC201 PIN14)
LM+(IC201 PIN13)
5. LENS CONTROL RELA
SIGNAL(NO DISC CONDITION)
SLEGP(2.1V/1.5V/0.85V)
(IC501 PIN80)
DRVSB(3.3V/0V)
(IC501 PIN22)
SLED+(7.3V/4V/2.4V)
(IC201 PIN16)
SLED-(7.3V/4V/2.4V)
(IC201 PIN15)
5.2VA
PWR_CTL(CN505 PIN7)
M_RESET(CN505 PIN9)
TRST
FIG 1-2
OPEN(CN203 PIN3)
CLOSE(CN203 PIN4)
LM-(IC201 PIN14)
LM+(IC201 PIN13)
CLOSE
FIG 3-1
OPEN(CN203 PIN3)
CLOSE(CN203 PIN4)
LM-(IC201 PIN14)
LM+(IC201 PIN13)
FIG 3-3
TED
FOCUS(2.1V/1.5V/0.9V)
(IC501 PIN76)
FOCUS+(3.5V/2.8V/2V)
(IC201 PIN25)
FOCUS-(3.4V/2.8V/2.1V)
(IC201 PIN26)
FIG 5-1
15