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Aiwa XR-M11 Service Manual page 42

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Pin No.
Pin Name
Vo
Description
LCHO
LVSS
RVSS
RCHO
RVDD
MUTER
XVDD
XOUT
XIN
XVSS
SBSY
EFLG
Ww
~
Left channel one-bit D/A converter output.
Left channel one-bit D/A converter ground. Must be connected to OV.
tad CO
©
Right channel one-bit D/A converter ground. Must be connected to OV.
+ o
Right channel one-bit D/A converter output.
> fey
Right channel one-bit D/A converter power supply.
ay No
pay
Right channel one-bit D/A converter mute ouput.
a wi
Crystal oscillator power supply.
> &
Connections for a 16.934MHz crystal oscillator element.
Se
od Al
wn
Crystal oscillator ground. Must be connected to OV.
Py
XQ
Subcode block synchronization signal output. (Not used)
C1, C2 single and double error correction monitor pin. (Not used)
aS
oa
uv
=
es K*)
Subcode P, Q, R, S, T, U, V and W output. (Not used)
Subcode frame synchronization signal output. This signal falls when the subcode are in
the standby state. (Not used)
A i=)
SFSY
SBCK
Subcode readout clock input. This is a Schmitt input.
(Must be connected to OV when unused)
Output for the 7.35 kHz synchronization signal divided from the crystal oscillator.
FSX
(Not used)
A N
Ww w
Subcode Q output standby output.
wa &
Readwrite control input. This is a Schmitt input.
SQOUT
COIN
Subcode Q output.
Ww nN
Command input from the control microprocessor.
wn wn
nw
Q
Input for both the command input acquisition clock and the SQOUT pin subcode
Lo)
a
Q © Q Aw
readout clock input. This is a Schmitt input.
RES
A oo
Chip reset pin. This pin must be set. low briefly after power is first applied.
Ti) \O
=: ~
Test output. Leave open. (Normally outputs a low level). (Not used)
Ss =
16.9344 MHz output. (Not used)
6
4.2336 MHz output.
me
4.2M
Test input. A pull-down resistor is built in. Must be connected to OV.
Chip select input. A pull-down resistor is built in. Must be connected to OV if not
Ww
controlled.
font
ns
=
8
she
Test input. No pull-down resistor. Must be connected to OV.
—54—

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