Sony PCM-R500 Service Manual page 43

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Pin No. Pin Name
54 SR-DTO
55
56
57 AVREF
58
59 XMECH-BSY
60 FOOT-SW1
61 FOOT-SW0
62 MODE1
63 MODE0
64
65 DATE-ODR
66 PRL-REM
67 X4HEAD
68 XPRODIO
69 XFADER
70 MUT-MONIT
71 XAES/COA
72 XCNT-S
73 MODE3
TE
L 13942296513
74 MODE2
75, 76 LED1, 0
77 — 79
80
81 — 85
86 XTEST
87 POW-DWN
88
89
90
91, 92
93 XADINT
94 XDAINT
95 REC-DIS
96 EXSY-MUT
97 XMST-SEL
98 MST-MUTE
99, 100
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I/O
O Pin for serial data output to master DAT-DSP IC.
SR-CK O Pin for serial clock output to master DAT-DSP IC.
AVSS — Ground
— Reference voltage pin (+5V)
AVDD — Power supply pin (+5V)
I Pin for communication busy input from mechanism microcomputer. ("L": BUSY)
I Pull-up fixed.
I Pull-up fixed.
I Fixed at "L" level.
I Fixed at "H" level.
24/12-hour system display select input pin ("H": 12-hour system display (US, Canadian
X24/12 I
model), "L": 24-hour system display (AEP, UK, German model)).
I YY-MM-DD/DD-MM-YY display select input pin ("L": Fixed to DD-MM-YY display)
I Pull-up fixed. Para-remote A/D input. (At connect with controller.)
I Fixed at "H" level.
I Fixed at "L" level.
I Fixed at "H" level.
I Pin for mute monitor input from master DAT-DSP IC.
I COAX↔AES/EBU Switch signal input.
I Pull-up fixed.
I Fixed at "H" level.
I Fixed at "H" level.
O Remote commander LED output pin
— — Not used.
ERRO — TEST pin. (Not used.)
— — Not used.
I TEST pin ("L": TEST MODE)
I Fixed at "H" level.
VSS — Ground
VDD — Power supply pin (+5V)
VPP — Connect to VDD.
— — Not used.
O A/D digital filter initial setting output pin ("L": INIT)
O D/A digital filter initial setting output pin ("L": INIT)
O Recording current control output pin ("L": Normally, "H": Recording current forced OFF)
O EXSY output control pin ("L": Normally, "H": EXSY forced OFF)
O Signal process IC chip select output pin
O Playback data mute output pin ("L": OFF, "H": ON)
— — Not used.
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