Aiwa XR-M130 Service Manual page 29

Pin No. Pin Name
37 LCHO
38 LVSS
39 RVSS
40 RCHO
41 RVDD
42 MUTER
43 XVDD
44 XOUT
45 XIN
46 XVSS
47 SBSY
48 EFLG
49 PW
50 SFSY
51 SBCK
52 FSX
53 WRQ
54 RWC
55 SQOUT
56 COIN
57 CQCK
58 RES
59 T11
60 16M
61 4.2M
62 T5
63 CS
64 T1
I/O
O Left channel one-bit D/A converter output.
– Left channel one-bit D/A converter ground. Must be connected to 0V.
– Right channel one-bit D/A converter ground. Must be connected to 0V.
O Right channel one-bit D/A converter output.
– Right channel one-bit D/A converter power supply.
O Right channel one-bit D/A converter mute ouput.
– Crystal oscillator power supply.
O
Connections for a 16.934MHz crystal oscillator element.
I
– Crystal oscillator ground. Must be connected to 0V.
O Subcode block synchronization signal output. (Not used)
O C1, C2 single and double error correction monitor pin. (Not used)
O 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
O
the standby state. (Not used)
Subcode readout clock input. This is a Schmitt input.
I
(Must be connected to 0V when unused)
Output for the 7.35 kHz synchronization signal divided from the crystal oscillator.
O
(Not used)
O Subcode Q output standby output.
I Readwrite control input. This is a Schmitt input.
O Subcode Q output.
I Command input from the control microprocessor.
Input for both the command input acquisition clock and the SQOUT pin subcode
I
readout clock input. This is a Schmitt input.
I Chip reset pin. This pin must be set low briefly after power is first applied.
O Test output. Leave open. (Normally outputs a low level). (Not used)
O 16.9344 MHz output. (Not used)
O 4.2336 MHz output.
I Test input. A pull-down resistor is built in. Must be connected to 0V.
Chip select input. A pull-down resistor is built in. Must be connected to 0V if not
I
controlled.
I Test input. No pull-down resistor. Must be connected to 0V.
Description
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