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Yamaha 505 Service Manual Page 31

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GX-505/GX-505VCD
GX-505/VCD
Pin No.
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Function
Tracking error signal input (analog input)
RF envelope signal input (analog input)
Oscillation detect signal input (H : DETECT)
Off track signal input (H : OFF TRACK)
Track cross signal input (analog input)
RF detect signal input (L : DETECT)
Drop out signal input (H : DROP OUT)
Laser ON signal output (H : ON)
Tracking offset adjustment output (NC)
Switched by command. PLAY (Play signal output) when command is defaulted. (NC)
Double speed status signal output (H : double speed) (NC)
RF signal input
Reference current input terminal
Bias terminal for DSL
Loop filter terminal for DSL
Loop filter terminal for PLL
Loop filter terminal for VCO (NC)
Power supply for analog circuit (for AD of DSL, PLL, DA output blocks) (+5)
GND for analog circuit (for AD of DSL, PLL, DA output blocks) (GND)
EFM signal output (NC)
With command defaulted : PLL extract clock output PCK when IOSEL=H, frame re-synchronous signal RESY when IOSEL=L
These settings can be reversed by command (RESY when IOSEL=H). (NC)
Flag signal output (NC)
Sub-code CRC check result output (H : OK, L : NG) (NC)
L : Normal mode (GND)
H : • For internal master clock, VCO2 output clock for jitter adsorbing PLL is used instead of Xtal
oscillation output (X2).
• VCO2 is always fixed to oscillation mode regardless of VCO2 oscillation stop command or
resetting (/RST=L) and Xtal oscillation is stopped.
GND for oscillation circuit
Crystal oscillation circuit input terminal
Crystal oscillation circuit output terminal
Power supply for oscillation circuit (+5)
PLL loop filter terminal for jitter adsorption (GND)
GND for audio DAC
PEM output terminal 1C
PEM output terminal 1D
PEM output terminal 2D
PEM output terminal 2C
Power supply terminal for audio DAC
Deemphasis detect signal output (NC)
384fs clock output (At the CK384 pin, output does not stop while /RST=L.) (NC)
Xtal system when command is defaulted. Signal processing system when command is switched
Mode selecting terminal (GX-505 : +5, GX-505VCD : GND)
Test mode setting terminal (Normal : H) (+5)
Sub-code data read clock input (NC)
Sub-code serial output (SBCK effective) when command is defaulted.
PACK data usable (SBCK2 effective) when command is switched
Clock input for sub-code serial output (with pull-up resistor) (GX-505 : NC)
Sub-code frame clock signal output when command is defaulted (fCLDCK=7.35kHz)
PACK synchronous signal when command is switched
Interpolation flag signal output (H : INTERPOLATION)
(GX-505 : NC)
When IOSEL=H, L : NORMAL H : TEST2 (GND)
Emphasis control in accordance with DEMP0
When IOSEL=L, external DEMP1 input terminal
For emphasis control, DEMP0, OR of DEMP1, DEMP1, forced OFF or forced ON is selected by command.
When command is defaulted, DEMP0 and OR of DEMP1
SRDATA input (effective only when IOSEL=L)
LRCK input (effective only when IOSEL=L) H : Lch data, L : Rch data
BCK input (effective only when IOSEL=L)
I/O
I
I
I
I
I
I
I
O
O
O
O
I
I
I
I/O
I/O
I/O
I
I
O
O
O
O
I
I
I
O
I
O
O
O
O
O
O
I
O
O
I
I
I
O
I
O
O
I
I
I
I
Name
TE
RFENV
VDET
OFT
TRCRS
RFDET
BDO
LDON
TOFS
PLAY/TRVSTOP
WVEL
ARF
IREF
DRF
DSLF
PLLF
VCOF
AVDD2
AVSS2
EFM
PCK/
RESY
FLAG
CRC
XSEL
VSS
X1
X2
VDD
VCOF2
AVSS1
OUT1C
OUT1D
OUT2D
OUT2C
AVDD1
DEMPO
CK384
IOSEL
TEST
SBCK2
SUBC
SBCK
CLDCK
IPFLAG
DEMPI
/TEST2
SDATI
LRCKI
BCKI
IC5 : MN35511AL [CD/VCD P.C.B.]
Signal Processor & Controller
30
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