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85
HCD-M333
Pin No.
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
92
93
94, 95
96
97
98
99
100
I/O
O
I
I
O
O
I
I
O
O
O
O
—
O
—
O
O
O
O
I
I
I
I
I
I
I
I
I
O
O
O
O
O
O
O
O
O
O
O
O
I
I
I
I
I
—
I
—
—
I
Pin Name
LED-LCD-BL
VOL-B
VOL-A
CD-LDON
CD-1-4
CD-SENS
ST-TUNED
TC-TRIG-B
TC-CAPM-CONT
CD-XRST
CD-1-2
VCC
SOFT-TEST
VSS
CD-BD-PWR
SP-RELAY
CD-LOAD-OUT
CD-LOAD-IN
CD-OUTSW
CD-INSW
BASS-A
BASS-B
USB CHECK
KEY-WAKE-UP
PCLK-PWR
TREBLE-A
TREBLE-B
PDOWN-OUT
LED-PANEL
TC-ALC
LINE-MUTE
PWR-RELAY
MODEL
SHIMUKE
KEY3, KEY2
ADGND
KEY1
VREF
AVCC
PROTECT-IN
Description
Back light control signal output
Volume signal input from the rotary encoder
Volume signal input from the rotary encoder
LDON signal output to the RF amplifier (IC103)
Spindle speed selection signal output
SENS signal input
Tuning signal input from the tuner (“L” : on, “H” : off)
Solenoid control signal output (“H” : on, “L” : off)
Capstan motor control signal output (“H” : REV, “H” : FWD, “L” : STOP)
CD reset siganl output
Clock selection signal output
Power supply terminal
soft test signal output
ground terminal
CD power supply control signal output
Speaker relay control signal output
Loading motor control signal output
Loading motor control signal output
Switch signal input from the switch (S1) on the LOADING board
Switch signal input from the switch (S1) on the LOADING board
BASS signal input from the rotary encoder (not used)
BASS signal input from the rotary encoder (not used)
Not used (connected to the ground)
Key input detection signal input
Power request signal input frm PC LINK (not used)
TREBLE signal input from the rotary encoder (not used)
TREBLE signal input from the rotary encoder (not used)
MD power supply control signal output
PANEL LED control signal output
ALC signal output (“L” : on, “H” : off)
Audio muting signal output (“H” : on, “L” : off)
Main relay control siganl output
Fan control signal output
Not used (open)
Not used
Chip enable signal output to the volume control IC
Data output to the volume control IC
Clock output to the volume control IC
Muting control signal output to the power amplifier
TC_END switch signal input
TC_SW(PACK, REC-L, REC-R) siganal input
Model selection terminal
Spec selection terminal
Function key signal input
Ground terminal (analog)
Function key signal input
Reference voltage terminal
Power supply terminal (analog)
Voltage detection signal input for power amplifier protection
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9
8
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9
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0
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1
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3
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