Sony HCD-M333 Service Manual page 87

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Pin No. Pin Name
51 XLAT
52 SCL
53 OUT-SW
54 MNT2
55 MNT1
56 EEP-WP
57 SDA
58 REFLECT
59 PROTECT
60 VCC
61 NC
62 VSS
63 LOAD-LO
64 LOAD-OUT
65 LOAD-IN
66 NC
67 NC
68 SEL0
69 SEL1
70 NC
71 NC
72 NC
TE
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73 NETMD-INT
74 NETMD-CS
75 NETMD-RST
76 NETMD-PLLSW
77 VBUS
78 NC
79 LOCK
80 NC
81 ADSEL-2
82 ADSEL-1
83 ADSEL-0
84 OPTSEL
85 DACMUTE
86 DARESET
87 IOP
88 NC
89 NC
90 EMPHASIS
91 TP2
92 TP1
93 TP_UNLOCK
94 AVSS
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95 KEY0
96 VREF
97 AVCC
.
98 NC
99 FLDATA
100 FLCK
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I/O
O Latch signal output to the DSP (IC201)
O Serial communication clock output to the EEPROM
I Detection signal inut from the loading position switch (OUT SW)
I Busy monitor signal input from the mechanism deck
I Track jump detection signal input from the mechanism deck
O Write protect signal output to the EEPROM ("L" : enable to write)
I/O Serial communication data input/output with the EEPROM
I Detection signal input from the reflect detection switch ("H" : low reflection)
I Protection claw detection signal input from the recording protection detection switch ("H" : protection)
— Power supply terminal
— Not used (open)
— Ground terminal
O Voltage control signal output to the loading motor ("L" : high voltage, "H" : low voltage)
O Loading motor control signal output ("H" : out)
O Loading motor control signal output ("H" : in)
— Not used (open)
— Not used (open)
I Destination input terminal
I Destination input terminal
— Not used (open)
— Not used (open)
— Not used (open)
I Interrupt request signal input from the USB Net MD IC (IC705) ("L" : interrupt request on)
O Chip select signal output to the USB Net MD IC (IC705)
O Reset signal output to the USB Net MD IC (IC705)("L" : reset)
O PLL function on/off control signal output to the USB Net MD IC (IC705)("L" : PLL function on)
I USB VBUS detection signal input ("H" : USB on)
— Not used (open)
I Digital in lock detection signal input from the ADC/DAC (IC701)
— Not used (open)
O Not used (open)
O Not used (open)
O Not used (open)
O Not used (open)
— Not used (open)
O Reset signal output to the ADC/DAC (IC701) ("L" : active)
I Iop measurement input terminal
— Not used (open)
— Not used (open)
I Emphasis signal input from the ADC/DAC (IC701)
— Not used (open)
— Not used (open)
— Not used (open)
— Ground terminal (analog)
— Not used (open)
I Reference voltage input terminal
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— Power supply terminal (analog)
i
— Not used (open)
— Not used (open)
— Not used (open)
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Description
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