Sony ZS-2000 - Diagrams; IC Pin Description

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Pin No. Pin Name I/O Pin Description
1 R-COUNT I PLL IC count data output
2 R-CE O PLL IC chip enable output.
3 R-CLK O PLL IC clock output.
4 R-DATA O PLL IC data output.
5 R-MUTE O Tuner mute signal output.
6 RADIO O Radio block power supply control signal output L : Radio on
7 M-NAR I Melody IC NAR signal input
8 M-RST O Melody IC reset signal output
9 M-ST O Melody IC strobe signal output
10 M-I0 O Melody IC interface 0 data output
11 M-I1 O Melody IC interface 1 data output
12 M-I2 O Melody IC interface 2 data output
13 FL-RST O Reset signal output to the fluorescent indicator tube display drive IC (IC601)
14 CP O Clock pulse output to the fluorescent indicator tube display drive IC (IC601)
15 CD-LAMP O CD lamp (LAMP board) on/off signal output
16 DA O Serial data output to the fluorescent indicator tube display drive IC (IC601)
17 CS O Chip enable signal output to the fluorescent indicator tube display drive IC (IC601)
18,19 NC — Not used
20 FL-CON O FL 5V regulator control signal output
21 RY-CON O Relay (RY901 on POWER board) on/off control signal output
22 – 27 NC — Not used
28 JOG-A I Rotary encoder (RV801) input terminal (A/D input)
29 JOB-B I Rotary encoder (RV801) input terminal (A/D input)
30 RST I System reset signal input from the reset signal generator (IC403) “L”: reset
31 EXTAL O Main system clock output terminal (8 MHz)
32 XTAL I Main system clock input terminal (8 MHz)
33 VSS — Ground terminal
34 TX I Sub system clock input terminal (32.768 kHz)
35 TEX O Sub system clock output terminal (32.768 kHz)
36 AVSS — Ground terminal (for A/D converter)
37 AVREF — Reference voltage (+3.3V) input terminal (for A/D converter)
38 R-SHIFT O System clock shift output.
39 INIT O Destination check output
40 SIMUKE I Destination setting terminal
41 – 43 KEY1-KEY3 I Key input terminal (A/D input)
44 C-MUTE O Muting on/off control signal output for the CD playback signal “L”: muting on
45 OP/CL I CD tray open/close detect input.
46 INPUT1 O Loading motor control output.
47 INPUT2 O Loading motor control output.
48 RDS-CLK O RDS serial data transfer clock signal input from the RDS decoder
49 RDS-DATA O RDS serial data input from the RDS decoder
50 RDS-QUAL O RDS QUAL input from the RDS decoder (Not used)
51 C-SQCK O Sub-code Q data reading clock signal output to the CD DSP IC (IC702)
52 C-SQSO O Sub-code Q data input from the CD DSP IC (IC702)
53 NC — Not used
54 SENSE2 I Internal status (SENSE) input from the CD DSP IC (IC702)
55 SENSE1 I Internal status (SENSE) input from the CD DSP IC (IC702)
6-1. IC PIN DESCRIPTION
• IC801 CXP84332-222Q (SYSTEM CONTROL)
SECTION 6
DIAGRAMS