Aiwa AM-HX100 Service Manual page 18

Pin No. Pin Name
46 FOK
47 VP
48 MON3
49 MON2
50 MON1
51 MON0
52 DEFECT
53 PPIT
54 READ
55 PLG-I
56 RESET
57 HOLDER
58 FSEQ
59 SHOCK
60 WRQB
61 CHG-O
62 NIHM-O
63 BSTSW
64 BST2
65 BST3
66 HP/LINE
67 LED1
68 VSS3
69 VDD3
70 CHG-1
71, 72 NC
73 P-CONT
74 AMUTE
75 RMCDT
76 PWSTB
77 DNSW
78 DRAMSW
79 JAPAN
80 TEST
I/O
I FOK signal input.
I VP (CLV servo lock check) signal input.
I Monitor 3 signal input from LC896431.
I Monitor 2 signal input from LC896431.
I Monitor 1 signal input from LC896431.
I Monitor 0 signal input from LC896431.
I DEFECT signal input.
I PPIT signal input.
O Output “H” when reading data.
I Insertion detection signal input of head phone jack (“L”: inserted).
O LC896431 reset signal output.
I Holder OPEN (“H”)/CLOSE (“L”) signal input & standby release.
I FSEQ signal input of LC896431.
I SHOCK detection of LC896431.
I Signal input from LC896431.
O Battery charge stand control output.
O Battery charge output.
O Head phone amplifier bus boost ON/OFF switch (BST on with “H”).
O DSL 3 STEP switch output.
O DSL 3 STEP switch output.
O Head phone amplifier/line switch output.
O Operation LED control signal output (LED on with “H”).
— Connected to GND.
— Connected to VDD.
O Battery charge stand LED control output.
— Not connected.
O System power supply control (“L”: turn on the power supply).
O AUDIO MUTE signal output (“H”: turn on MUTE).
O Serial data output to liquid crystal remote controller.
O Standby signal output of headphone driver (“L”: standby).
O “L” when BATT is above 1.8V. “H” when CHGINT = “L”.
O Power supply control output of DRAM (“L”: turn on the power supply of DRAM).
I Domestic/Overseas version switch input (“H”: domestic).
I Test mode/Main mode switch input (“L”: test mode).
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Description