Aiwa NSX-SZ103 Service Manual page 31

IC DESCRIPTION-1/1 (LC78645)-2/3
Pin Name Description
LVDD Lchannel power supply pin.
Pin No.
ow pany
LCHO Lchannel D/A converter L channel output pin.
LVSS
RVSS
RCHO
f N
t wn &/_R[TR
lw] r _ 'oO | oo
L channel ground pin. Must be connected to OV.
cy vs)
R channel ground pin. Must be connected to OV.
R channel D/A converter R channel output pin.
a a
RVDD
- ON
R channel power supply pin.
"I
XVDD
Crystal oscillator power supply pin.
as rN
XOUT Crystal oscillator
Connection for a 33.8688MHz crystal oscillator pin.
a Z
7.35kHz synchronization signal output pin.
FSX/16MIN
i)
DF, DAC external clock input pin. (Not connected)
Crystal oscillator ground pin.
XVSS
wn
Crystal oscillator
Must be connected to OV.
L/R channel data input pin. Must be connected to OV when
C2F
7 oe ea
a
m
a
Q
16MOUT
ASLRCK
ASDACK .
Antishock mode
ASDFIN
ws ~s
unused.
Data input pin.
LRSY
DATACK
DATA
nn oO
wy ©
Digital data output
Q° e
WwW
Microprocessor interface
Data output pin. (Nch open drain output)
Interruption signal output pin.
This pin must be set low briefly after power is first applied.
an nats
DI DID nln
N a
Q ies]
~
ib
WRQ
Reset input pin.
RES es
DRF Focus ON detect pin.
ron ne]
VDD5 Microprocessor interface power supply pin.
Digital ground pin. Must be connected to OV. SS
Controlled by commands from the CONT3 General-purpose output pin 3. (Not connected)
microprocessor .
Must be set as an input pin and connected to
71, 72 CONT2, 1 General-purpose output pin 2, 1.
OV or set as an output pin and leftypen
when unused.
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