Sony XR-C543SP Service Manual page 23

Pin No. Pin Name I/O
36 LM_LOD O
37 LM_EJ O
38 N/R_OUT O
39 NC I
40 CMON O
41 TAPEON O
42 COL_SEL I
43 RCIN1 I
44 TEST I
45 ILL-ON O
46 BEEP O
47 MUTE O
48 VOLCE O
49 SUBCE O
50 VOLCKO O
51 SUBCKO O
52 VOLSO O
53 TAPMUT O
54 DOLON O
55 DOLBC I
56 AMSIN I
57 MTL-SEL O
58 AD_ON O
59 RAMBU I
60 RESET I
61 SIRCS I
62 BUIN I
63 PW-SEL I
64 ACCIN I
65 NOSESW I
66 TELMUTE I
67 KEYACK I
68 VDD —
69 X_OUT O
70 X_IN I
71 GND —
Loading/tape operation motor (M902) control signal output to the MM1322XF (IC651)
(For the loading direction and forward side operation) *1
Loading/tape operation motor (M902) control signal output to the MM1322XF (IC651)
(For the eject direction and reverse side operation) *1
Forward/reverse direction control signal output to the CXA2510Q (IC101)
"L": forward direction, "H": reverse direction
Not used (open)
Capstan/reel motor (M901) drive signal output terminal "H": motor on
Tape system power supply on/off control signal output terminal "H": tape on
Setting terminal for the illumination color "L": amber, "H": green (fixed at "H")
Rotary remote commander shift key A/D input terminal
Setting terminal for the test mode "L": test mode (normally fixed at "H")
Power supply on/off control signal output terminal at the illumination and liquid crystal display
driver (IC901) "H": power on
Beep sound output terminal
Muting control signal output terminal "H": mute on
Chip enable output to the electrical volume (IC301)
Chip enable output terminal Not used this set (open)
Serial data transfer clock signal output to the electrical volume (IC301)
Serial data transfer clock signal output terminal Not used this set (open)
Serial data output to the electrical volume (IC301)
Tape mute on/off control signal output to the CXA2510Q (IC101) "H": tape mute on
Dolby on/off control signal output to the CXA2510Q (IC101) "H": dolby on
Setting terminal for dolby type
"L": dolby B and C type, "H": dolby B type only (fixed at "H")"
Whether a music is present or not from CXA2510Q (IC101) is detected at auto music sensor
"L": music is present, "H": music is not present
Tape metal position control signal output to the CXA2510Q (IC101) "H": metal on
Power supply on/off control signal output for the A/D converter "L": power on
Internal RAM reset detection signal input Input terminal to check that RAM data are not destroyed
due to low voltage This checking is made within 100msec after reset
System reset signal input
"L" is input for several 100msec after power on, then it changes to "H"
Sircs signal input terminal Not used this set (fixed at "H")
Battery detect signal input terminal "H": battery on
Power select switch input terminal "L": off (halt mode), "H": on (operation mode)
Accessory detect signal input terminal "L": accessory on
Detects the removal of the attaching and removing type front panel block "L": attaching
Telephone mute signal input terminal At input of "L", the signal is attenuated by –20dB
Input of acknowledge signal for the key entry Acknowledge signal is input to accept function and
eject keys in the power off status On at input of "L"
Power supply terminal (+5V)
Main system clock output terminal (5MHz)
Main system clock input terminal (5MHz)
Ground terminal
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Function