AIWA HSGMX40
Instrukcja Serwisowa

IC DESCRIPTION
IC, TMP47C443LDM-1B45(EL) Pin No.
1 2 3 4 5 6 7 8 9 10 11 12 ~ 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Pin Name
XOUT XIN RESET EJECT SW BUZR TEST HOLD NC L.V.STOP MAIN IN REMOTE IN NC POWER ON GND PHOTO OUT LOAD CTL MOT ON MOT DIR BRAKE MOT HI MOT CH NC P-SNSR C-SW AUTO SW F/R CTRL MUTE WAKE UP VDD

I/O
O I I I O I I � I I I � O � O O O O O O I � I I I O O I � Connected to 4MHz crystal oscillator. Input reset signal. Input EJECT SW."H": OFF, "L": ON. Output buzzer sound.

Description

Input test mode. "H": Test ON. (Connected to GND). Input HOLD SW. "H": OFF, "L": ON. Connected to GND. Input reducing voltage detection. "L": Mecha STOP. Input key from main unit (A/D). Input key from remote controller (A/D). Not connected. Output power for audio circuit. "L": ON. Connected to GND. Microcomputer detection P-SNSR level output pin. Output for voltage supply checking. "L": Check. Output motor activation. "L": ON. Output motor rotating direction. "L": Counterclockwise. Output motor brake. "L": ON. Output motor hi-speed activation. "L": ON. Input motor activation detection. Connected to GND. Input sensor waveform. Input cassette tape detection. "H": Not exist, "L": Exist. (Connected to GND). Input AUTO SW. "H": AUTO operation, "L": NO AUTO operation. Output FWD, REV control. "L": REV. Output muting. "L":ON. Input micro-computer OSC ON. Power supply (+3V).

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