Sony MZ-R91 Service Manual page 36

Pin No. Pin Name
80 VB MON
81 CHG MON
82 VREF MON
83 WK DET
HALF LOCK
84
SW
85 RMC KEY
86 SET KEY 1
87 SET KEY 2
88 REC KEY
89 VRM MON
90 HIDC MON
91 AD GND
92 AVREF
93 AVDD
94 TEST0
95 TEST1
96 TDI
97 TMS
98 TCK
99 TRST
100 TDO
101 TSB CLKCTL
102 SSB DATA
103 SSB CLK
104 FLASH WR EN
105 VDD
106 VSS
107 to 109 VLC1 to VLC3
110 XCS ADA
111 XPD ADA
112 XRST MTR DRV
113 OPT DET
114 XJACK DET
115 XMIC DET
116 XOPT CONT
117 MUTE
118 XHP STBY TMP
119 XCS NV
120 XINT REC SW
I/O
Un-regulator power supply voltage monitor input terminal (A/D input)
I
Rechargeable battery voltage monitor input from the MPC18A31FTA (IC901) (A/D input)
I
Reference voltage monitor input from the SN761056ADBT (IC501) (A/D input)
I
I Set key starting detect signal input terminal (A/D input)
Open knob detect switch (S802) input terminal "L": normal position, "H": open knob slid
I
Remote commander with headphone key input terminal (A/D input)
I
I Set key input terminal (A/D input)
I Set key input terminal (A/D input) (B, jog, END SEARCH keys input)
I REC key input terminal
VREM voltage monitor input terminal (A/D input)
I
HI-DC voltage monitor input terminal (A/D input)
I
— Ground terminal (for A/D converter)
I Input terminal for power supply voltage adjustment reference voltage (+2.4V) (for A/D converter)
Power supply terminal (+2.4V) (for A/D converter)
—
Input terminal for the test (normally: fixed at "L")
I
Input terminal for the test (normally: fixed at "L")
I
I Input terminal for JTAG Not used (open)
Input terminal for JTAG Not used (open)
I
Input terminal for JTAG Not used (open)
I
Input terminal for JTAG Not used (open)
I
Output terminal for JTAG Not used (open)
O
TSB clock control signal output terminal
O
I/O Two-way SSB serial data bus with the SN761056ADBT (IC501)
O SSB serial clock signal output to the SN761056ADBT (IC501)
Not used (fixed at "H")
—
Power supply terminal (+2.4V)
—
— Ground terminal
Power supply terminal for the liquid crystal display (+2.4V)
—
Chip select signal output to the A/D, D/A converter (IC301)
O
Power supply control signal output to the A/D, D/A converter (IC301)
O
O Reset signal output terminal "L": reset Not used (open)
I DIN plug detect signal input terminal
LINE IN plug detect signal input terminal
I
MIC plug detect signal input terminal
I
Power supply control signal output to the DIN plug laser diode
O
O Analog muting on/off control signal output terminal "L": muting off, "H": muting on
Power supply control signal output to the headphone amplifier Not used (open)
O
Chip select signal output to the EEPROM (IC802)
O
Not used (open)
O
Description
(x, >, .,VOL +/– keys input)
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