Aiwa AM-CL33, Service Manual

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Pin No. Pin Name I/O Description
50 MON1 I Monitor 1 signal input from LC89642.
51 MON0 I Monitor 0 signal input from LC89642.
52 DEFECT I DEFECT signal input.
53 PPIT I PPIT signal input.
54 READ O Output H when reading data.
55 PLG-1 I Insertion detection signal input of head phone jack (L: Inserted).
56 RESET O LC89642 reset signal output.
57 HOLDER I Holder OPEN(H)/CLOSE (L) signal input & standby release.
58 DRAMSW O Power supply control output of DRAM L: (Turn on the power supply of DRAM).
59 PCK I PCK signal input of LC89642.
60 FSEQ I FSEQ signal input of LC89642.
61~63 NC O Not used (L Output).
64 STALL O Power supply control output of BD6606 (H: ON).
65 SHOCK I SHOCK input of LC89642
66,67 NC O Not used (L Output).
68 VSS3 – Connect to GND.
69 VDD3 – Connect to VDD.
70 MCAS O CAS signal output to DRAM.
71 MRAS O RAS signal output to DRAM.
72 BUP O Micom control of DRAM/DSP control switch signal output (H: Micom control).
73 P-CON O System power supply control (L: Turn on the power supply).
74 AMUTE O AUDIO MUTE signal output (H: Turn ON MUTE).
75 RMCDT O Serial data output to liquid crystal remote controller.
76 PWSTB O Standby signal output of headphone driver (L: standby).
77 HOLD I HOLD signal input (L: HOLD ON)
78 SEDIR I Direction input of sledding move (H: inside
→
outside, L: outside
→
inside).
79 JAPAN I Domestic / Overseas version switch input (H: Domestic).
80 TEST I Test mode / Main mode switch input (L: Test mode).