Philips SACD 1000/001 Service Manual page 109

Circuit-, IC descriptions and list of abbreviations
HPSW Control signal to swith HF signal
path
HSYNC Horizontal synchronization output
I2C_DAC Control signal to enable/disable the
I2C bus to the DAC PCB
INT Interrupt request
KAR_BY_PASS Karaoke bypass control signal from
Sti5505 to AV board.
LD-CD CD laser out
LD-DVD DVD laser out
LLD_MUTE LossLess Decoder Mute, if "1" mute
indication from audio interface
LRCLK PCM Left/Right clock (word clock) to
AV board
LRCLK_AV PCM Left/Right clock (word clock) to
AV board
LRCLK_FUR PCM Left/Right clock (word clock) to
the FURORE
LRCLKO PCM Left/Right clock (word clock)
output from STI5505
MON1 CD laser monitor
MON2 DVD laser monitor
MOTO1 Motor control signal
MUTE Mute control signal
MUTE_AV Mute control signal to AV board
MUTE_DET Mute detection, mute 0x69 for all
channels detection
O[4:1] Servo current outputs for focus
control
O-CENTRAL Testpin for offset cancelation
OEND DRAM output enable
OSLINKIN Control port P3 I/O to Sti5505
OSLINKOUT Control port P3 I/O from Sti5505
OTD-HD61 Off track detection
P50 Bi-directional interface used for
communication between video
equipment
PCM_CELF_FUR I2S center/subwoofer serial data line
PCM_CLK_FUR Audio system clock to FURORE
PCM_CLK_ST Audio system clock to STI5505
PCM_LERI_FUR I2S left right data line to the
FURORE
PCM_LSRS_FUR I2S left/right surround serial data line
PCM_OUT0 I2S audio serial data out of the
STI5505
PCMCLK_AV I2S audio system clock to A/V PCB
PCMOUT_AV I2S audio serial output data to A/V
PCB
PLAY If "1" Fade circuit is in LLD mode,
indication output
PLL_LOCK Indication that PLL is in lock
PLL_SYNC Sector sync found indication
POR Power on reset
PORN Power on reset active low
PROG_CLK384 Clock divided from 384*Fs =
16.9344 Hz
PROG_CLKSYS Clock divide from system clock
PSENn Program strobe enable (Servo)
PSP Pit Signal Processing
PSP_ENABLE If "1" PSP circuit is active, indication
output
PWR_FAIL Power fail control signal from PSU
R_OUT Video output Red from Sti5505
R_VID Buffered video output Red to A/V
board
RA Radial actuator control signal from
servo processor to power driver
RAC-SW Radial control switch
RAD- Radial actuator negative connection
RAD+ Radial actuator positive connection
RAMAD[14:0] RAM memory address bus (Servo)
RAMDA[7:0] RAM memory data bus (Servo)
RAMRW RAM memory read/write control
signal (Servo)
RAS[1:0]ND DRAM row address strobe
SACD 1000
RASN SDRAM row address strobe
RDI Read enable input of HD61
REFCOS Position Control Sledge external
cosine offset compensation/stepper
motor cosine output
REFSIN Position Control Sledge external
sine offset compensation/stepper
motor sine output
RESET_I2C Reset I2C
Rfo Amplified HF signal to HD61
RFP Amplified HF signal for PSP
recognition
RSTN System reset
RTS_SER Ready to send control signal of
service serial interface
RWN Read/Write control signal (EMI)
RXD_BE Receive data of basic engine serial
interface (S2B)
RXD_SER Receive data of service serial
interface
S[2:1] Servo current outputs for radial
tracking
SACD_CLK SACD clock 16.394 MHz, CLK
source of the system
SCART[1:0] Scart control signals: slow blanking
SCL I2C bus clock
SCL_DAC I2C bus clock to DAC PCB
SCLK PCM I2S serial bit clock
SCLK_AV PCM I2S serial bit clock to A/V PCB
SCLK_FUR PCM I2S serial bit clock to the
FURORE
SCLKo PCM I2S serial bit clock output from
Sti5505
SDA I2C bus data
SDA_DAC I2C bus data to DAC PCB
SEL_ACLK1 Select audio clock 1
SEL_ACLK2 Select audio clock 2
SERVICE Control signal of service serial
interface
SICL Serial interface clock input
SIDA Serial interface data input
SILD Serial interface load
SINPH Position control sledge in
SL Sledge actuator control signal from
servo processor to power driver
SL- Sledge actuator negative
connection to sledge motor
SL+ Sledge actuator positive connection
to sledge motor
SPDIF_AV Digital audio to the A/V PCB
SPDIF_FUR Digital audio to the FURORE
SPDIF_OUT Digital output from STI5505
SSM_ACT Indication new frame is being
transmitted
ST_CLK STI5505 system clock
ST_TDI Boundary scan test data input to
STI5505
STB_CONT Standby control signal to power
supply
STB_CONTD Delayed standby control signal -
enable or disable the clocks
STB_MUTE Standby control signal mute
STB_OUT Standby control signal to DAC PCB
STBY Standby
SUR Servo Unit Ready to accept data
(S2B0
T[3:1] Tacho control signals from HD61 to
turntable motor driver
TCK Boundary scan test clock
TDI Boundary scan test data input
TDO Boundary scan test data output
TMS Boundary scan test mode select
TRAY1 Tray motor control signal 1 from
servo processor to power driver
9. GB 153