Aiwa RC-AAT20, Руководство по обслуживанию

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FEMEAS
FEMEAS
TEST
KEY2
KEY3
PA6/AN6
PA7/AN7
PBO/CINT
____
SRQ
SCK
D MS CD
D CD MS
SQCK
SQSO
PB7/SO1
PE0/EC0
PE1/EC1
PE2/RMC
PE3/NM1
PE4/PWM
PE5/TO
______
SLEEP
__
CS
SCOR
DISC IN
P14
P15
2SPEED
ROM
FIN
RIN
PG2
SW4
VDD
NC
SW3
Pin No. Pin Name I/O Description
Not used
FE level (S-curve) measurement A/D input for detecting CD-ROM or CD-RW
Test mode select port
Test mode key input (A4)
Test mode key input (A5)
Not used
Not used
Not used
Serial data request output to system microprocessor
Clock input from system microprocessor for serial communications
Serial data input from system microprocessor
Serial data output to system microprocessor
Clock output to CXD2587Q for reading SQSO (Not used)
Sub-Q serial data input from CXD2587Q
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Interrupt input for controlling microprocessor sleep mode (CPU issues STOP command)
L: CPU sleep status; H: CPU operational status (sleep mode is released by the leading edge)
Interrupt input for serial communication request from system microprocessor (leading edge is
detected)
Sub-code sync input from CXD2587Q
Disc insertion detection switch input. Detected during usual operation
With 8-cm disc: No disc: L; When inserted: H, After chucking: L (Caution: The no-disc status is
the same as the after-chucking status.)
Not used
Not used
Standard/double-speed playback mode switching input (set when reset is released)
L: Standard play; H: Double speed play
CD-ROM mode setting input (set when reset is released) L: Audio mode; H: CD-ROM mode
Loading motor driver control output
Stop: FIN=L, RIN=L, Loading: FIN=H, RIN=L, Eject: FIN=L, RIN=H
Not used
End detection when 12-cm disc is ejected
Not used
Not used
Disc, chucking, release detection
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