Philips DVDR615 Service Manual page 154

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EN 154 9.
IC7300, TZA1042: FEBE Baord, Laser Power Controller
Osco
Osci
ClkOut
RWn
AR
VrefH
(Analogue
reference)
VrefL
Vrefin
Vthr
Vdel
LCA -
(Laser
Control
Analogue)
AMeas (Alpha-measure)
LasP (Laser-Power)
Bank
WSB
AEZ
Ostr (OPC-strobe)
IRQn
SCL
SDA
I2C
DVDCD
(I2C
interface)
HiLo
EnR1
EnR2
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DVDR615/69 Circuit-, IC descriptions and list of abbreviations
to TR, DR and ELIA
FS_ADC_Sample1
FS_ADC_Sample2
LCD
(Laser
Control
Alpha_ADC Digital)
LasP_DAC
LPC
loop
&
Alpha
loop
&
OPC
to all blocks
PorN
POR (Power
on Reset)
Analogue
Power
Osc
Processing)
Threshold_ref
TR
Delta_ref
DR
Analogue Ref
PorOff
Supply
Digital
Power
Figure 9-26
PLL & CPS
(Clock
ELIA
(External
LDD IF
analogue)
ESI
(Elantec Serial
Interface
adapter)
TI
(Test interface)
IapcR
IapcW
Vopuref
SEN
SCLK
SDIO
BUSY