Sony XR-C6100 Service Manual page 3

Pin No. Pin Name
37 LM EJ
38 N/R OUT
39 P.ON
40 CM ON
41 TAPEON
42 COLSEL
43 RC IN1
44 TEST
45 ILL ON
46 BEEP
47 MUT
48 VOLCE
49 SUBCE
50 VOLCKO
51 SUBCKO
52 VOLSO
53 TAPMUT
54 DOLON
55 DOLBC
56 AMSIN
57 MTLSEL
58 AD ON
59 RAMBU
60 RESET
61 SIRCS
62 BU IN
63 PW SEL
64 ACCIN
65 NOSESW
66 TELMUT
I/O
Loading/tape operation motor control signal output to the LB1638M (IC361)
O
(For the eject direction and reverse side operation) *1
Forward/reverse direction control signal output to the CXA2510AQ (IC301)
O
"L: forward direction, "H": reverse direction
O Polar stereo detection signal output terminal "H": polar stereo Not used (open)
O Capstan/reel motor (M901) drive signal output terminal "H": motor on
O Tape system power supply on/off control signal output terminal "H": tape on
I Setting terminal for the illumination color "L": amber, "H": green (fixed at "H")
I Rotary remote commander shift key A/D input terminal
I 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
O
At power select switch (S501) on mode: "H" output at the accessory on
At power select switch (S501) off mode: "H" output at the power on
O Beep sound signal output terminal
O Line muting control signal output terminal "H": line muting on
O Chip enable signal output to the electrical volume (IC161)
O Chip enable signal output terminal Not used in this set (open)
O Serial data transfer clock signal output to the electrical volume (IC161)
O Serial data transfer clock signal output terminal Not used in this set (open)
O Serial data output to the electrical volume (IC161)
O Tape muting on/off control signal output to the CXA2510AQ (IC301) "H": tape muting on
Dolby control in/out terminal
At initial mode: valid/invalid selection input of dolby function ("L" input: valid)
I/O
At normal mode: dolby on/off control signal output to the CXA2510AQ (IC301)
"H": dolby on
Dolby B/C selection control in/out terminal
At initial mode: dolby B only/dolby B and C type selection input ("L" input: dolby B and C)
I/O
At normal mode: dolby type selection signal output "L": dolby B, "H": dolby C
Not used this function (fixed at "H")
Whether a music is present or not from CXA2510AQ (IC301) is detected at auto music sensor
I
"L": music is present, "H": music is not present
METAL control in/out terminal
At initial mode: auto/manual mode selection input of METAL function "L": manual mode
At manual mode: METAL on/off control signal output to the CXA2510AQ (IC301)
I/O
"H": METAL on
At auto mode: input at MTLIN (pin #º)
O Power supply on/off control signal output for the A/D converter "L": power on
Internal RAM reset detection signal input from the RN5VD23AA (IC651)
Input terminal to check that RAM data are not destroyed due to low voltage
I
This checking is made within 100 msec after reset
System reset signal input from the reset signal generator (IC652) and reset switch (S503)
I
"L" is input for several 100 msec after power on, then it changes to "H"
I Sircs signal input from the remote control receiver (IC902)
I Battery detect signal input terminal "H": battery on
I Power select switch (S501) input terminal "L": off (halt mode), "H": on (operation mode)
I Accessory detect signal input terminal "L": accessory on
I Detects the removal of the attaching and removing type front panel block "L": attaching
I Telephone muting signal input terminal At input of "L", the signal is attenuated by –20 dB
Function
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