Sony WX-C570R, Service Manual

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• IC501 MB90574PFV-G-118-BND (SYSTEM CONTROL)
Pin No. Pin Name I/O Pin Description
1 — — Not used.
2 BUS CKO — Not used.
3 — — Not used.
4 LM-LOD O Tape loading motor control output (Loading direction)
5 LM-EJ O Tape loading motor control output (Eject direction)
6 CM-ON O Tape capstan motor control output
7 TAPE ON O Tape power control output
8 VCC — Power supply pin (+5 V)
9 PLL SI I PLL data input
10 PLL SO O PLL data output
11 PLL CKO O PLL clock output
12 FLA DI — Not used.
13 LED DATA O LED driver control serial data output
14 LED CLK O LED driver control serial clock output
15 BEEP O BEEP output
16 — — Not used.
17 SYSRST O System reset output
18 BUS ON O Bus ON control output
19 PLL CE O PLL chip enable output
20 BUS SI O Serial data input (for SONY BUS)
21 BUS SO O Serial data output (for SONY BUS)
22 BUS CKI/O I/O Serial clock input/output (for SONY BUS)
23 FLASH W I Flash write in mode detection input
24 SIRCS I Remote commander input (Not used in this set.)
25 — — Not used.
26 FL SO O FL serial data output
27 FL CKO O FL serial clock output
28 FL CE O FL serial chip enable output
29 FL BLK O FL blank control output
30 – 32 — — Not used.
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 ILL ON O Illumination power control output
41 TAPE ING — Not used.
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 KEY IN0, 1 I Key input 0, 1
48 KEY IN2 I D-BASS switch input
49 RC IN0 I Rotary commander input 0
50 DSTSEL0 I Destination select input 0 (Fixed at “L” in this set.)
51 DSTSEL1 I Destination select input 1 (Fixed at “L” in this set.)
52 RDS MTPH I Tuner multi-pass input
53 VSM I S-Meter voltage detection input
54 VCC — Power supply pin (+5 V)
55 RAM BU I RAM reset detection input
56 POW SEL I Power select initial setting input
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