Sony ZS-M35 Service Manual page 38

Pin No. Pin Name
51 KEY-C4A
52 AVSS
53 AVREF
54 AVDD
55 – 58 KEY C3A – C0A
59 3.3V-SHORT
60 – 62 KEY AD2 – AD0
63 MD-PDOWN
64 MD-SRTS
65 MD-SCTS
66 MD-RST
67 MD-H
68 REC-H
69 MD-SRXD
70 MD-STXD
71, 72 NC
73 CD-12/8
74 CD-HISPEED
75 CD-POWER
76 CD-MUTE
77 NC
78 CD-CSOR
79 CD-SQSO
80 CD-XRST
81 CD-SQCK
82 CD-SENSE1
83 CD-DATA
84 CD-XLAT
85 RMC
86 TEX
87 TX
88 VSS
89 VDD
90 NC
91 CD-CLK
92 CD-SENSE2
93 CD-FOK
94 STBY-CTR
95 ACCHK
96 NC
97 PCON
98 AMUTE
99 TU-LED
100 NC
I/O
I Key input terminal
— Ground terminal (for A/D converter)
— Reference voltage (+3.3V) input terminal (for A/D converter)
— Power supply terminal (+3.3V) (for A/D converter)
I Key input terminal
I AU 7.5V short test pin
I Key input terminal (A/D input) (TOP board)
Power down signal output to the MD mechanism controller (IC601)
O
power cord
O System controller busy status monitor output to the MD mechanism controller (IC601)
I MD mechanism controller busy status monitor input from the MD mechanism controller (IC601)
Power supply on/off control signal output for the MD mechanism controller (IC601)
O
"H": power on
O MD play control signal output to the A/D, D/A converter (IC603) "L": MD playback mode
O MD REC control signal output to the A/D, D/A converter (IC603) "L": MD recording mode
O UART communication data input from the MD mechanism controller (IC601)
I UART communication data output to the MD mechanism controller (IC601)
— Not used
O Servo setting when CD operates faster.
O CD higher speed setting
O CD servo system power supply on/off control signal output
O Muting on/off control signal output for the CD playback signal
— Not used
I Subcode sync (S0+S1) detection signal input from the CD DSP IC (IC702)
I Subcode Q data input from the CD DSP IC (IC702)
O Reset signal output to the CD RF AMP (IC701), CD DSP IC (IC702)
O Subcode Q data reading clock signal output to the CD DSP IC (IC702)
I Internal status (SENSE) input from the CD DSP IC (IC702)
O Serial data output to the CD DSP IC (IC702)
O Serial data latch pulse signal output to the CD DSP IC (IC702)
I Sircs remote control signal input from the remote control receiver (IC602)
O Sub system clock output terminal (32.768 kHz)
I Sub system clock input terminal (32.768 kHz)
— Ground terminal
— Power supply terminal (+3.3V)
— Not used
O Serial data transfer clock signal output to the CD DSP IC (IC702)
I Internal status (SENSE) input from the CD DSP IC (IC702)
I Focus OK signal input terminal
O Power saving mode selection
I AC power supply detection signal input
— Not used
O Power on/off control signal output
O Audio muting on/off control signal output
I Input the signal for band tuning check from the tuner IC.
— Not used
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Pin Description
(Not used (open))
"H": normal, "L": Power saving mode
"L": AC in
"L": standby mode, "H": power on
"L": muting on
"L": remove the AC
"H": power on
"H": muting on