Sony CFD-S45L - 5 Diagrams; IC Pin Description

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5-1. IC PIN DESCRIPTION
• IC501 CXP83120A-035Q (SYSTEM CONTROL)
Pin No. Pin Name I/O Pin Description
1 C-SCOR I CD SCOR input
2 WP I Wake-up input
3 RMC I Sircs receiver input
4 CLOSE-O O CD loading motor control output (Loading direction)
5 OPEN-O O CD loading motor control output (Eject direction)
6 OPEN-I I CD open switch input
7 CLOSE-I I CD close switch input
8 NC — Not used.
9 C-SENS1 I CD SENSE-1 input
10 C-SENS2 I CD SENSE-2 input
11 C-SQCK O CD Sub-Q read clock output
12 C-SQSO I CD Sub-Q data input
13 NC — Not used.
14 C-XRST O CD reset output
15 C-XLT O CD serial latch output
16 C-CLK O CD serial clock output
17 C-DATA O CD serial data output
18 R-ST O Stereo ingicator output
19 R-DATA O Tuner PLL data output
20 R-CLK O Tuner PLL clock output
21 R-COUNT I Tuner PLL data input
22 R-CE O Tuner PLL chip enable output
23 PCON O System power control output
24 V-DATA O Volume serial data output
25 V-CLOCK O Volume serial clock output
26 V-CE O Volume serial chip enable output
27 REG-CHK I Low voltage detection input
28 B/L-CONT O Back light control output
29 REC I Tape record signal input
30 INI O Tuner select initial setting output
31 LOCAL/DX — Not used.
32 VERSION I Tuner destination band select input
33 – 36 KEY-1 – 4 I Key input
37 S-CLK O Shift clock output
38 RST I System reset input
39 EXTAL I Oscillation input (4.19 MHz)
40 XTAL O Oscillation output (4.19 MHz)
41 VSS — GND
42 NC — Not used.
43 VSS — GND
44 AVREF I A/D converter VREF input
45 AVSS — Analog GND
46 VL O LCD drive port ON/OFF output
47 – 49 VLC-3 – 1 O LCD drive voltege terminal
50 – 53 COM0 – 3 O LCD drive common output
54 – 76 SEG0 – 22 O LCD drive segment output
77 – 79 — — Not used.
80 F-TAPE O Tape power select control output
81 F-TU O Tuner power select control output
82 F-CD O CD power select control output
83 LED ROCK O LED (ROCK) drive signal output
SECTION 5
DIAGRAMS