Sony XR-C5103R Service Manual page 22

Pin No. Pin Name
33 MTLON
34 CMON
35 TAPEON
36 ACCON
37 PLLSI
38 BEEP
39 LCDCKO
40 LCDSO
41 LCDINH
42 LCDCE
43 UNICKO
44 UNICKI
45 UNISI
46 UNISO
47 VDD
48 AVDD
49 AVREF+
50 KEYIN1
51 KEYIN0
52 D-BASS
53 KEYSEL
54 DSTSEL
55 RCIN0
56 VSM1
57 VSM0
58 AVREF–
59 AVSS
60 GND
61 BUSON
62 SYSRST
63 SEKOUT
64 TUNON
65 FM ON
66 MUT
67 AF SEK
68 COLOR
69 NOSESW
I/O
METAL control in/out terminal
At initial mode: valid/invalid selection input of METAL function ("L" input: valid)
I/O
At normal mode: METAL on/off control signal output to the CXA2509AQ (IC351)
"H": METAL on
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 Accessory detect signal input terminal "L": accessory on
I PLL serial data input from the FM/AM PLL (IC1)
O Beep sound output terminal
O Serial data transfer clock signal output to the liquid crystal display driver (IC901)
O Serial data output to the liquid crystal display driver (IC901)
Blank indicate control signal output to the liquid crystal display driver (IC901)
O
"L": no display
O Chip enable output to the liquid crystal display driver (IC901)
O Serial data transfer clock signal output to the bus interface (IC701) (for SONY bus)
I Serial data reading clock signal input terminal (for SONY bus)
I Serial data input from the bus interface (IC701) (for SONY bus)
O Serial data output to the bus interface (IC701) (for SONY bus)
— Power supply terminal (+5V)
— Power supply terminal (+5V) (for A/D converter)
I Reference voltage input terminal (+5V) (for A/D converter)
Key input terminal (A/D input)
6, INTRO 1, REPEAT 2, SHUF 3, BL SKIP 6, ATA 5, MTL 4, PTY, AF/TA, PRESET DISC
I
+/– keys input (LSW921 to LSW931)
Key input terminal (A/D input)
OFF, SOURCE, MODE *, + ) + SEEK AMS, – = 0 SEEK AMS, VOLUME –,
I
SEL, VOLUME +, DSPL, ATT , BTM SENS keys input (LSW901 to LSW911)
I D-BASS switch (SW951) input (A/D input)
I Setting terminal for the key (fixed at "H")
Destination setting terminal
I
AEP, UK, South European models: fixed at "L", German, East European models: fixed at "H"
I Rotary remote commander shift key A/D input terminal
I Signal meter voltage detection input terminal Not used (fixed at "L")
I FM and AM (MW/LW) signal meter voltage detection input from the FM/AM tuner unit (TU1)
I Reference ground terminal
— Ground terminal (for A/D converter)
— Ground terminal
O Bus on/off control signal output to the bus interface (IC701) (for SONY bus) "L": bus on
O Reset signal output to the bus interface (IC701) (for SONY bus) "L": reset
O Seek control signal output to the FM/AM tuner unit (TU1)
O Tuner system power supply on/off control signal output to the BA3918 (IC601) "H": tuner on
O FM system power supply on/off control signal output to the BA3918 (IC601) "H": FM on
O Line muting control signal output terminal "H": line muting on
O AF seek control signal output terminal Not used (open)
I Setting terminal for the illumination color "L": amber, "H": green Not used (open)
I Detects the removal of the attaching and removing type front panel block "L": attaching
Function
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