Diagrams; Ic Pin Description - Sony CDX-L410 Service Manual

CDX-L410

3-1. IC PIN DESCRIPTION

• IC501 MN101C49KTD2 (SYSTEM CONTROL)
Pin No. Pin Name
1 VREF–
2 VSM
3 NC
4 KEYIN1
5 KEYIN0
6 RCIN0
7 QUALITY
8 MPTH
9 NC
10 VREF+
11 VDD
12 OSCOUT
13 OSCIN
14 VSS
15 XIN
16 XOUT
17 MMOD
18 LCDSO
19 LCDCE
20 LCDCKO
21 CD_TSO
22 CD_TSI
23 CD_TCKO
24 NC
25 NC
26 KEY ACK
27 DAVN
28 BUIN
29 NC
30 CD_SELFSW
31 CD_PACK
32 NC (VCC)
33 RESET
34 NC
35 BEEP
36 NC
37 TESTIN
38 ACCIN
39 NC (VCC)
40 TELATT
41 NC (VCC)
42 UNISO
43 UNISI
44 UNICKO
45 I2C_SIO
46 NC
47 I2C_CKO
48 NC
49 TUNON
50 PW_ON
51 TSTB
12
SECTION 3

DIAGRAMS

I/O
— Rated voltage – for A/D converter.
I S-meter voltage detection input
— Not used. (Connect to ground in this set)
I Key input 1
I Key input 0
I Rotary commander input 0
I Noise detection input
I Tuner multi-path detection input
— Not used. (Connect to ground in this set)
— Rated voltage + for A/D converter. (+5 V)
— Power supply pin (+5 V)
O Oscillator output (18.432 MHz)
I Oscillator input (18.432 MHz)
— Ground
I Oscillator input (32.768 kHz)
O Oscillator output (32.768 kHz)
— Mode selector (Connect to ground in this set)
O LCD serial data output
O LCD chip enable output
O LCD serial clock output
O CD text serial data output
I CD text serial data input
O CD text serial clock output
— Not used. (Open)
— Not used. (Open)
I Key acknowledge detection input
I RDS data block synchro detection input
I Back-up power detection input
I Not used. (Connect to ground in this set)
I CD self switch input
I CD pack synchro signal input
— Not used. (Connect to VDD in this set)
I Reset input
— Not used. (Fixed at H in this set)
O Beep output
— Not used. (Open)
I Test mode detection input
I Accessory power detection input
— Not used. (Open)
I Telephone attenuate detection input
— Not used. (Connect to VDD in this set)
O SONY BUS data output
I SONY BUS data input
O SONY BUS clock output
2
I/O I C BUS serial data input/output
— Not used. (Open)
2
O I C BUS serial clock output
— Not used. (Open)
O Tuner power control output
O System power control output
O CD text strobe output
Pin Description