XR-C7220, XR-C7300, XR-C7300W - Sony Car Audio Service Manual (repair manual). Page 30

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Pin No.

Pin Name

I/O

Function

116

DOLON

I/O

Dolby control in/out terminal
At initial mode: valid/invalid selection input of dolby function (valid at “L” input)
At normal mode: dolby on/off control signal output to the CXA2510AQ (IC301)
(dolby on at “H” output)

117

TAPE MUTE

O

Tape muting on/off control signal output to the CXA2510AQ (IC301)    “H”: muting on
Active at ATA, FF/REW mode

118

AMP ON

O

Standby on/off control signal output to the power amplifier (IC611)
“L”: standby mode, “H”: amp on

119

VSS

—

Ground terminal

120

POWON

O

Main system power supply on/off control signal output to the BA3918 (IC671)    “H”: power on

*1  Loading/tape operation motor control

STOP

LOADING/

FORWARD

EJECT/

REVERSE

BRAKE

LM-LOD (pin `⁄⁄‚)

“L”

“H”

“L”

“H”

LM-EJ (pin `⁄‚·)

“L”

“L”

“H”

“H”

Mode

Terminal