Function Table Of Ic - Sharp HT-DP4000 Service Manual

HT-DP4000
IC1 RH-iX0001SJZZ: System Microcomputer (IX0001SJ) (1/2)
Pin No. Port Name
1 P00/TXD/SBO0 TUN_DI
2 P01/RXD/SBI0 TUN_DO
3 P02/STB0 TUN_CK
4 P03/SBO1 TUN_CE
5 P04/SBI1 TUN_MUTE
6 P05/SBT1 TUN_SD
7 P06/DK/ TUN_ST
BUZZER
8 VDD VDD
9 OSC2 OSC2
10 OSC1 OSC1
11 VSS VSS
12 XI XI
13 XO XO
14 MMOD MMOD
15 VREF- VREF-
16-18 PA0/AN0-PA2/AN2 KEY1-KEY3
19 PA3/AN3 AREA
20 PA4/AN4 SP_LEVEL
21 PA5/AN5 MODEL
22 PA6/AN6 POSISTOR
23* PA7/AN7 —
24 VREF+ VREF+
25 P07 ALC
26 P27/RST RESET
27* P10/TM0IO FS_STB
28* P11/TM1IO FS_DATA
29* P12/TM2IO FS_CK
30 P13/TM3IO V_LATCH
31 P14/TM4IO V_CK
32 P15 V_DATA
33 P20/IRQ0 POWER
34 P21/SEN/IRQ1 SYS_STOP
35* P22/IRQ2 AC3_SO
36 P23/IRQ3 REMOCON
37 P24/IRQ4 JOG_UP
38 P25 JOG_DOWN
39 P30/SBO2 F_MUTE
40 P31/SBI2 R_MUTE
41 P32/SBT2 C_MUTE
42 P50 SW_MUTE
43* P51 FA_PLAY
44 P52 POW_SW
45* P53 —
46* P54 R_RLAY
47* P67/DGT17 C_RLAY
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.

FUNCTION TABLE OF IC

Input/
Terminal
Output
Name
Output Data output terminal to the tuner PLL IC
Input Data input terminal from the tuner PLL IC
Output Clock output synchronized with the tuner PLL IC
Output Enable output for the tuner PLL IC
Output Tuner mute output terminal
Input Terminal for detecting the tuner broadcast reception mode
"L" = During broadcast reception
Input Input for detecting whether or not the tuner is receiving stereo radio signals
"H" = MONO, "L" = STEREO
— Microcomputer power supply +5V
Output External oscillator terminel for the main clock
Input External oscillator terminel for the main clock
— Microcomputer power supply GND
Input External oscillator terminel for the sub clock
Output External oscillator terminel for the sub clock
Input Memory mode select terminal
— A/D convertor power supply GND
Input Operation key input MAX-10 key
Input Destination detection input. Operates as an A/D input port
Detects the destination setting on the DC voltage when resetting.
Input Main speaker output level detection, input
Input Model detection input. Detects the model on DC voltage when resetting.
Input Input for detecting an increase in the power amplifier temperature
— Not used
— A/D convertor power supply +5V
Input Power output ALC function ON/OFF control terminal
Input System reset, input
Output Function select IC strobe signal
Output Function select IC control signal, output
Output Synchronous clock output to the function select IC
Output Latched data output to the electronic volume IC
Model 2000: Electronic volume IC enable, output
Output Synchronous clock for the electronic volume IC
Output Data output to the electronic volume IC
Input Main case primary power switch, input
Input Power failure detection, input. Changes to the STOP mode when "L".
Input ZR38600 serial data, input
Input Remote control signal, input
Input Jog dial UP pulse, input
Input Jog dial DOWN pulse, input
Output Front amplifier input, Mute output
Output Rear amplifier input, Mute output
Output Center amplifier input, Mute output
Output Woofer amplifier input, Mute output "H" = MUTE OFF, "L" = MUTE ON
Output Front 'A' speakers' protective relay control, output
"H" = RLAY CLOSE, "L" = RLAY OPEN
Output Primary-side AC power ON/OFF relay control, output
— Not used
Output Rear speaker protective relay control, output
"H" = RLAY CLOSE, "L" = RLAY OPEN
Output Center speaker protective relay control, output
"H" = RLAY CLOSE, "L" = RLAY OPEN
Function
"L" = OFF, "H" = ON
"H" = MUTE OFF, "L" = MUTE ON
"H" = MUTE OFF, "L" = MUTE ON
"H" = MUTE OFF, "L" = MUTE ON
– 26 –
f = 8.00 MHz
f = 8.00 MHz
f = 32.768 kHz
f = 32.768 kHz
"H" = ON, "L" = OFF
"H" = ON, "L" = OFF