Diagrams; Ic Pin Description - Sony ZS-2000 Service Manual

6-1. IC PIN DESCRIPTION

• IC801 CXP84332-222Q (SYSTEM CONTROL)
Pin No. Pin Name
1 R-COUNT
2 R-CE
3 R-CLK
4 R-DATA
5 R-MUTE
6 RADIO
7 M-NAR
8 M-RST
9 M-ST
10 M-I0
11 M-I1
12 M-I2
13 FL-RST
14 CP
15 CD-LAMP
16 DA
17 CS
18,19 NC
20 FL-CON
21 RY-CON
22 – 27 NC
28 JOG-A
29 JOB-B
30 RST
31 EXTAL
32 XTAL
33 VSS
34 TX
35 TEX
36 AVSS
37 AVREF
38 R-SHIFT
39 INIT
40 SIMUKE
41 – 43 KEY1-KEY3
44 C-MUTE
45 OP/CL
46 INPUT1
47 INPUT2
48 RDS-CLK
49 RDS-DATA
50 RDS-QUAL
51 C-SQCK
52 C-SQSO
53 NC
54 SENSE2
55 SENSE1
SECTION 6

DIAGRAMS

I/O
I PLL IC count data output
O PLL IC chip enable output.
O PLL IC clock output.
O PLL IC data output.
O Tuner mute signal output.
O Radio block power supply control signal output
I Melody IC NAR signal input
O Melody IC reset signal output
O Melody IC strobe signal output
O Melody IC interface 0 data output
O Melody IC interface 1 data output
O Melody IC interface 2 data output
O Reset signal output to the fluorescent indicator tube display drive IC (IC601)
O Clock pulse output to the fluorescent indicator tube display drive IC (IC601)
O CD lamp (LAMP board) on/off signal output
O Serial data output to the fluorescent indicator tube display drive IC (IC601)
O Chip enable signal output to the fluorescent indicator tube display drive IC (IC601)
— Not used
O FL 5V regulator control signal output
O Relay (RY901 on POWER board) on/off control signal output
— Not used
I Rotary encoder (RV801) input terminal (A/D input)
I Rotary encoder (RV801) input terminal (A/D input)
I System reset signal input from the reset signal generator (IC403)
O Main system clock output terminal (8 MHz)
I Main system clock input terminal (8 MHz)
— Ground terminal
I Sub system clock input terminal (32.768 kHz)
O Sub system clock output terminal (32.768 kHz)
— Ground terminal (for A/D converter)
— Reference voltage (+3.3V) input terminal (for A/D converter)
O System clock shift output.
O Destination check output
I Destination setting terminal
I Key input terminal (A/D input)
O Muting on/off control signal output for the CD playback signal
I CD tray open/close detect input.
O Loading motor control output.
O Loading motor control output.
O RDS serial data transfer clock signal input from the RDS decoder
O RDS serial data input from the RDS decoder
O RDS QUAL input from the RDS decoder (Not used)
O Sub-code Q data reading clock signal output to the CD DSP IC (IC702)
O Sub-code Q data input from the CD DSP IC (IC702)
— Not used
I Internal status (SENSE) input from the CD DSP IC (IC702)
I Internal status (SENSE) input from the CD DSP IC (IC702)
– 22 –
Pin Description
L : Radio on
"L": reset
"L": muting on