Aiwa NSX-TR77, Service Manual

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Pin No. Pin Name I/O Description
IC DESCRIPTION (LC78646)-1/3
SLCO
SLCIST
EFMIN
RF
RFVDD
RFVSS
FIN1
FIN2
TIN1
TIN2
VREF
REFI
EF
TEC
TE
RFMON
JITTC
ADAVDD
ADAVSS
TDO
FDO
SPDO
SLDO
GPDAC
CONT4, 5
SBCK/CONT6
SBCK/FG
DEFECT
V/P
FSEQ
MONI1-5
VSS
VDD
DOUT
TEST
O
I
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O
ó
ó
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I/O
I/O
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Control output.
Slice level control SLCO output current adjustment resistor connection pin.
RF signal input pin.
RF monitor pin.
RF power supply pin.
RF ground pin. Must be connected to 0V.
A+C signal input pin.
B+D signal input pin.
E signal input pin.
F signal input pin.
VREF voltage output pin.
Reference voltage output setting pin.
FE signal monitor pin.
TE signal LPF capacitor connection pin.
TE signal monitor pin.
RF internal signal monitor pin.
Jitter detection capacitor connection pin.
Servo A/D, D/A supply pin.
Servo A/D, D/A ground pin. Must be connected to 0V.
Tracking control output pin. D/A output.
Focus control output pin. D/A output.
Spindle control output pin. D/A output.
Thread control output pin. D/A output.
Servo D/A general-purpose output pin. (Not connected)
General-purpose input/output pin 4, 5. Controlled by commands from the microprocessor.
General-purpose input/output pin 6,
Any of these that are unused must be either set up as
or subcode read clock input pin.
input pin ports and connected to 0V, or set up as
output pin ports and left open.
Subcode read clock input pin/FG signal input pin/external emphasis setting pin.
Set to command -pin function. Must be connected to 0V.
Defect pin. (Not connected)
Rouge servo/phase control automatic switching monitor output pin.
“H” for rough servo and “L” for phase servo. (Not connected)
Synchronization signal detection output pin.
Outputs a high level when the synchronization signal detected from the EFM signal and the
internally generated synchronization signal agree. (Not connected)
Internal signal monitor pin 1-5. (Not connected)
Digital ground pin. Must be connected to 0V.
Digital power supply pin.
Digital OUT output pin. (Not connected)
Test input pin. Must be connected to 0V.
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