Onkyo 580TXD575X Service Manual

MICROPROCESSOR TERMINAL DESCRIPTION
1/0 |Description No._|Symbot 1/0 |Description
= _|Power supply pin 38_|RDSSCK [Clock input pin from ROS decoder
© _|Standby/Received indicator control output pin 39_|REMIN Signal input pin_for remoter controller
3 © _|Serial data output pin to function switch IC 40_|AVss =_ |Ground pin
4 © _|Serial clock output pin to function switch IC 41_|TumuT. © _|Muting control signal output pin for tuner section
5 © _|Serial latch output pin to function switch IC 42_|AMUT. [0 _|Muting contro! signal output pin for amplifier section
6 _|ROSDATA 1_|Data input pin from RDS decoder 43_|ABOOT/INT | 1/0 |AUTOBOOT/INTREG input/output pin
7_|spo © _|Serial data output pin to PLL and Electro volume ICs. 44__|voL RL2 © _|Contro! output pin for volume selector relay 2
8_|sck © _|Serial clock output pin to PLL and Electro volume ICs 45_|VOL RL1 © _|Contro! output pin for volume selector relay 1
9 |PLUcE © _|Serial data latch output pin to PLL IC 46_|Voo ~__|Power supply pin
io _|RESET 1_|System reset input pin 47_|SPCRL © _|Speaker relay control output pin
11_|xz © _|Master clock connection pins. 48_|cove cpp _| 0 _|Power down control output pin for CODEC IC
12_|x1 1_|Connect the ceramic oscillator across the both pins. DIRPD © _|Power down control output pin for AK4110
13_|ic 1_[internal connection pin. DIRCS Q_|Chip select output pin for AK4110
14 © _|Sub clock connection pins. Not used. 51_|BTADRH © _|Setting input pin for LSB address of boot ROM
15 1_[Not used. 52_|BTADRL © [Setting input pin for MSB address of boot ROM
16 _|Voot = __|Power supply pin 53__|sD 1_{Broadeast detection input
17_|Vousut Q _|Serial latch output pin to Electro volume IC STEREO 1_|FM stereo broadcast detection input pin
[“i8_|sysout © _|Signal output pin for system code 55_|RDSSIG 1_|Signal input pin from RDS decoder
19 _|DSPRST © _|Reset signal output pin _to DSP IC CS492604 56_|HPIN 1_|Detection input pin when the headphones are inserted.
20_|pspcs © _|Chip select output pin to DSP IC 57_|ERF 1_|Not used
21 [prisot 1 Serial data input pin from the digital audio interface 58_|FS96 1_|Not used.
receiver IC AK4110 59_ [AUTO 1_[AUTO signal input pin from AK4110
IDSPSCK © _|Serial clock output pin to AK4110 and CS492604 60_|ENC1 1_|Rotary encoder input pin for volume control
23 |DsPspo © _|Serial data output pin to AK4110 and CS492604 61_|eNc2 1_|Rotary encoder input pin for volume control
24 |DSPSDI 1_|Serial data input pin from CS4926 62__|PROTECT 1_|Detection input pin for protection circuit
25 [Avss 1_|Ground pin for A/D converter 63 Q _|Contro! output pin for power switch relay
26 __|AM9K/10K 1_ [Initializing input pin for AM band step. 9 kHz step at "H” 64 © _|Contro! output pin for video selector switch
27_|oEM 1__ [Initializing input pin for unit setting 65 © _|Contro! output pin for video selector switch
28 _|MODE 1_|hnitiatizing input pin for operation mode 66 © _|Contro! output pin for speaker relay A
29 _|IPM 1_|IPM switch connection pin. Not used. 67 © _|Contro! output pin for speaker relay B
30-33 |k3-KO 1_|Operation key connection pins. 68-78 © _|Segment output pins
34 _|AVoo = _|Power supply pin for A/D converter 79 = _|Power supply pin for FL controller
35_|AVREF 1_|Reference voltage input pin for A/D converter 80-85 |PO6-POt © _|Segment output pins
36 1__|System code input pin 86-100|15G-1G 0 _|Grid output pins
POFF 1_|Power failure detect input pin

Onkyo 580TXD575X Specifications

General

Brand	Onkyo
Model	580TXD575X
Category	Receiver
Language	English