Sony HCD-M333 Service Manual page 85

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