Sony MD Walkman MZ-E90, Руководство по обслуживанию

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Pin No. Pin name I/O Pin Description
58 SERON O Series power control signal output
59 NC — Not used. (Open)
60 X TEST I Test mode detect signal input
61 SET CODE0 I Destination pin (Fix to ground.)
62 SET CODE1 I Destination pin (Fix to ground.)
63 SET CODE2 I Destination pin (Open)
64 REG CTL PWM O Synchronization external clock signal output
65 VRM PWM I VREM power voltage control PWM signal input
66 VC PWM I System power voltage control PWM signal input
67 SPDL PWM O SPDL start control PWM signal output
68 XIC RST O Reset signal output
69 OPR LED O OPR LED light control signal
70 NC I Not used. (Fix to “L”.)
71 • 72 NC — Not used. (Open)
73 X HOLD SW I HOLD SW detect signal input
74 VDD — Power supply pin
75 • 76 NC — Not used. (Open)
77 VSS — Ground
78 VBKAN I Sub power supply pin
79 S MON I Servo signal monitor input
80 VB MON I UNREG power voltage monitor input
81 NC — Not used. (Fix to “L”.)
82 VREF MON I CLEA reference voltage monitor signal input
83 WK DET I KEY WAKE detect signal input
84 OPEN CLOSE SW I OPEN SW detect signal input
85 RMC KEY I Remote control key detect signal input
86 SET KEY1 I This set key detect 1 signal input
87 DBB SW I DBB SW detect signal input
88 NC I Not used. (Fix to “H”.)
89 VRM MON I VREM voltage monitor signal input
90 NC I Not used. (Fix to “L”.)
91 AVSS — Ground
92 AVREF — AD reference voltage
93 AVDD — Power supply pin
94 TEST0 — Test pin (Fix to “L”.)
95 TEST1 — Test pin (Fix to “L”.)
96 TDI — Not used. (JTAG pin)
97 TMS — Not used. (JTAG pin)
98 TCX — Not used. (JTAG pin)
99 TEST — Not used. (JTAG pin)
100 TDO — Not used. (JTAG pin)
101 NC — Not used. (Open) (TSB clock control signal output)
102 SSB DATA I/O SSB data signal input/output
103 SSB CLK I/O SSB clock signal input/output
104 FLASH WR EN I FLASH write enable signal input (H: Write)
105 VDD — Power supply pin
106 VSS — Ground
107 – 109 NC — Not used. (Fix to “H”.)
110 • 111 NC — Not used. (Open)