Sony XR-5880R, Service Manual

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– 32 –
Pin No.
1 SEKOUT O Seek out
2 AFSEEK O AF seek
3 – – Not used
4 ST IND I/O Stereo display input and control MONO output
5 TUMUTE O Tuner mute output
6 FM ON O FM_ON output
7 TU ON O TUNER_ON output
8 VCC – Power supply te5V
9 – – Not used
10 BUSON O Bus ON control output
11 SYSRST O SYSTEM RESET output
12 DOORSW I Door OPEN/CLOSE detection input
13 LCDSO O LCD serial data output
14 LCDCKO O LCD serial clock output
15 BEEP O BEEP output
16 LCDCE O LCD chip enable output
17 UNISI I BUS serial data input
18 UNISO O BUS serial data output
19 UNICKI I BUS serial clock input
20 SD IN I Signal detection input
21 to 23 – – Not used
24 SIRCS I Remote commander (infrared) input
25 PLLSI I PLL data input
26 PLLSO O PLL data output
27 PLLCKO O PLL clock output
28 PLLCE O PLL chip enable output
29 ILL ON O Illumination power control output
30 to 31 – – Not used
32 NOISE ON O NOISE DET discharge control output
33 VSS – Ground
34 C – Capacity connection terminal for power supply stabilization
35 AD ON O AD conversion power supply control output
36 RE IN0 I Rotary encoder input 0
37 RE IN1 I Rotary encoder input 1
38 DVcc – Power supply input for D/A
39 DVss – Ground for D/A
40, 41 – – Not used
42 AVcc – Power supply input for analog
43 AVRH – A/D converter VRef + input
44 AVRL – A/D converter VRef – input
45 AVss – Ground for analog
46 KEYIN0 I KEY input 0
47 KEYIN1 I KEY input 1
48 RC INO I Rotary commander input
49 DSTSEL I Destination setting
50 NOISE DET I NOISE DET, Noise level input for SEEK
51 D BASS I D_BASS KEY input
52 MTP I Tuner multipath input
53 VSM I S_meter voltage detection input
Pin Name I/O Function
6-6. IC PIN FUNCTION DESCRIPTION
• IC501 MASTER U-COM (MB90574PFV-G-177-BND)