Sony CDX-C880R, Руководство по обслуживанию

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• IC501 MB90574PFV-G-133-BND (SYSTEM CONTROL) (MAIN BOARD)
Pin No. Pin Name I/O Pin Description
1 SEKOUT O SEEK OUT output
2 AF-SEEK O AF SEEK output
3 WIDE O WIDE/NARROW select output
4 ST-MONO I/O Use a thing both as ST-IND display input and force MONO output.
5 TUNMUTE O Tuner mute output
6 FM-ON O FM ON output
7 TU-ON O Tuner ON output
8 VCC — Power supply pin (+5 V)
9 CSV-RST O Audio composition IC reset output
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 Serial data input
18 UNISO O Serial data output
19 UNICKI I/O Serial clock input/output
20 CSV-DATA I Audio composition serial data input
21 CSV-SO O Audio composition serial data output
22 CSV-CKO O Audio composition serial clock output
23 CSV-CE O Audio composition chip enable output
24 SIRCS I Remote commander 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 DIMMER O Dimmer control output
31 TIRIND O TIR indicator control output
32 LCDINH O LCD blank display control output
33 VSS — GND
34 C — Power stabilization capacitor pin
35 AD-ON O Power control output of A/D conversion.
36, 37 RE-IN0, 1 I Rotary encoder input 0, 1
38 DVCC — D/A converter VREF input
39 DVSS — GND of D/A converter.
40 SD-IN I Signal detector input
41 LCDANG O LCD view angle alignment output
42 AVCC — Analog power supply pin (+5 V)
43 AVRH — A/D converter VREF+ input
44 AVRL — A/D converter VREF– input
45 AVSS — Analog GND
46, 47 KEYIN0, 1 I Key input 0, 1
48 RC-IN0 I Rotary commander input 0
49 DSTSEL0 O CSV power control output
50 DSTSEL1 I Destination select input 1 (Fixed at “L” in this set.)
51 DSTSEL2 I Destination select input 2 (Fixed at “L” in this set.)
52 MTP I Tuner multi-pass input
53 VSM I S-Meter voltage detection input
54 VCC — Power supply pin (+5 V)